Last modified by Mengting Qiu on 2025/06/04 18:42

From version 158.1
edited by Dilisi S
on 2024/11/01 05:19
Change comment: Oct 31 edits - part 2
To version 201.1
edited by Dilisi S
on 2024/11/19 06:06
Change comment: Nov 18 - AT Commands edit

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LT-22222-L -- LoRa IO Controller User Manual
1 +LT-22222-L -- LoRa I/O Controller User Manual
Content
... ... @@ -17,12 +17,16 @@
17 17  
18 18  
19 19  
20 -= 1.Introduction =
20 += 1. Introduction =
21 21  
22 22  == 1.1 What is the LT-22222-L I/O Controller? ==
23 23  
24 24  (((
25 25  (((
26 +{{info}}
27 +**This manual is also applicable to the LT-33222-L.**
28 +{{/info}}
29 +
26 26  The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
27 27  
28 28  The LT-22222-L I/O Controller simplifies and enhances I/O monitoring and controlling. It is ideal for professional applications in wireless sensor networks, including irrigation systems, smart metering, smart cities, building automation, and more. These controllers are designed for easy, cost-effective deployment using LoRa wireless technology.
... ... @@ -33,8 +33,6 @@
33 33  With the LT-22222-L I/O Controller, users can transmit data over ultra-long distances with low power consumption using LoRa, a spread-spectrum modulation technique derived from chirp spread spectrum (CSS) technology that operates on license-free ISM bands.
34 34  )))
35 35  
36 -> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
37 -
38 38  (((
39 39  You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
40 40  
... ... @@ -42,7 +42,9 @@
42 42  * If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
43 43  * Setup your own private LoRaWAN network.
44 44  
45 -> You can use the Dragino LG308 gateway to expand or create LoRaWAN coverage in your area.
47 +{{info}}
48 + You can use a LoRaWAN gateway, such as the [[Dragino LG308>>https://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]], to expand or create LoRaWAN coverage in your area.
49 +{{/info}}
46 46  )))
47 47  
48 48  (((
... ... @@ -58,27 +58,27 @@
58 58  * STM32L072xxxx MCU
59 59  * SX1276/78 Wireless Chip 
60 60  * Power Consumption:
61 -** Idle: 4mA@12v
62 -** 20dB Transmit: 34mA@12v
63 -* Operating Temperature: -40 ~~ 85 Degree, No Dew
65 +** Idle: 4mA@12V
66 +** 20dB Transmit: 34mA@12V
67 +* Operating Temperature: -40 ~~ 85 Degrees, No Dew
64 64  
65 65  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
66 66  
67 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
68 -* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
71 +* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50V, or 220V with optional external resistor)
72 +* 2 x Digital Output (NPN output. Max pull-up voltage 36V,450mA)
69 69  * 2 x Relay Output (5A@250VAC / 30VDC)
70 70  * 2 x 0~~20mA Analog Input (res:0.01mA)
71 -* 2 x 0~~30V Analog Input (res:0.01v)
75 +* 2 x 0~~30V Analog Input (res:0.01V)
72 72  * Power Input 7~~ 24V DC. 
73 73  
74 74  (% style="color:#037691" %)**LoRa Spec:**
75 75  
76 76  * Frequency Range:
77 -** Band 1 (HF): 862 ~~ 1020 Mhz
78 -** Band 2 (LF): 410 ~~ 528 Mhz
81 +** Band 1 (HF): 862 ~~ 1020 MHz
82 +** Band 2 (LF): 410 ~~ 528 MHz
79 79  * 168 dB maximum link budget.
80 80  * +20 dBm - 100 mW constant RF output vs.
81 -* +14 dBm high efficiency PA.
85 +* +14 dBm high-efficiency PA.
82 82  * Programmable bit rate up to 300 kbps.
83 83  * High sensitivity: down to -148 dBm.
84 84  * Bullet-proof front end: IIP3 = -12.5 dBm.
... ... @@ -94,32 +94,30 @@
94 94  
95 95  == 1.3 Features ==
96 96  
97 -* LoRaWAN Class A & Class C protocol
101 +* LoRaWAN Class A & Class C modes
98 98  * Optional Customized LoRa Protocol
99 99  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
100 100  * AT Commands to change parameters
101 -* Remote configure parameters via LoRa Downlink
105 +* Remotely configure parameters via LoRaWAN Downlink
102 102  * Firmware upgradable via program port
103 103  * Counting
104 104  
105 105  == 1.4 Applications ==
106 106  
107 -* Smart Buildings & Home Automation
108 -* Logistics and Supply Chain Management
109 -* Smart Metering
110 -* Smart Agriculture
111 -* Smart Cities
112 -* Smart Factory
111 +* Smart buildings & home automation
112 +* Logistics and supply chain management
113 +* Smart metering
114 +* Smart agriculture
115 +* Smart cities
116 +* Smart factory
113 113  
114 114  == 1.5 Hardware Variants ==
115 115  
116 -
117 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
118 -|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
119 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
120 -(% style="text-align:center" %)
121 -[[image:image-20230424115112-1.png||height="106" width="58"]]
122 -)))|(% style="width:334px" %)(((
120 +(% style="width:524px" %)
121 +|(% style="width:94px" %)**Model**|(% style="width:98px" %)**Photo**|(% style="width:329px" %)**Description**
122 +|(% style="width:94px" %)**LT33222-L**|(% style="width:98px" %)(((
123 +[[image:/xwiki/bin/downloadrev/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20230424115112-1.png?rev=1.1&width=58&height=106||alt="image-20230424115112-1.png" height="106" width="58"]]
124 +)))|(% style="width:329px" %)(((
123 123  * 2 x Digital Input (Bi-direction)
124 124  * 2 x Digital Output
125 125  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -128,21 +128,22 @@
128 128  * 1 x Counting Port
129 129  )))
130 130  
131 -= 2. Assembling the Device =
132 132  
133 -== 2.1 What is included in the package? ==
134 134  
135 -The package includes the following items:
135 +== 2. Assembling the device ==
136 136  
137 -* 1 x LT-22222-L I/O Controller
138 -* 1 x LoRaWAN antenna matched to the frequency of the LT-22222-L
139 -* 1 x bracket for wall mounting
140 -* 1 x programming cable
137 +== 2.1 Connecting the antenna ==
141 141  
142 -Attach the LoRaWAN antenna to the connector labeled **ANT** (located on the top right side of the device, next to the upper terminal block). Secure the antenna by tightening it clockwise.
139 +Connect the LoRa antenna to the antenna connector, **ANT**,** **located on the top right side of the device, next to the upper screw terminal block. Secure the antenna by tightening it clockwise.
143 143  
141 +{{warning}}
142 +Warning! Do not power on the device without connecting the antenna.
143 +{{/warning}}
144 +
144 144  == 2.2 Terminals ==
145 145  
147 +The  LT-22222-L has two screw terminal blocks. The upper screw treminal block has 6 terminals and the lower screw terminal block has 10 terminals.
148 +
146 146  Upper screw terminal block (from left to right):
147 147  
148 148  (% style="width:634px" %)
... ... @@ -169,28 +169,30 @@
169 169  |(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
170 170  |(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
171 171  
172 -== 2.3 Powering ==
175 +== 2.3 Powering the device ==
173 173  
174 -The LT-22222-L I/O Controller can be powered by a 7–24V DC power source. Connect the power supply’s positive wire to the VIN screw terminal and the negative wire to the GND screw terminal. The power indicator (PWR) LED will turn on when the device is properly powered.
177 +The LT-22222-L I/O Controller can be powered by a **7–24V DC** power source. Connect your power supply’s positive wire to the VIN and the negative wire to the GND screw terminals. The power indicator **(PWR) LED** will turn on when the device is properly powered.
175 175  
179 +Once powered, the **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** The Things Stack. The **TX LED** will be on for **5 seconds** after joining the network. When there is a **downlink** message from the server, the **RX LED** will be on for **1 second**. When the device is sending an uplink message to the server, the **TX LED** will be on for **1 second**. See also LED status.
176 176  
177 -[[image:1653297104069-180.png]]
181 +{{warning}}
182 +We recommend that you power on the LT-22222-L after configuring its registration information with a LoRaWAN network server. Otherwise, the device will continuously send join-request messages to attempt to join a LoRaWAN network but will fail.
183 +{{/warning}}
178 178  
179 179  
180 -= 3. Operation Mode =
186 +[[image:1653297104069-180.png]]
181 181  
182 -== 3.1 How does it work? ==
183 183  
184 -The LT-22222-L is configured to operate in LoRaWAN Class C mode by default. It supports OTAA (Over-the-Air Activation), which is the most secure method for activating a device with a LoRaWAN network server. The LT-22222-L comes with device registration information that allows you to register it with a LoRaWAN network, enabling the device to perform OTAA activation with the network server upon initial power-up and after any subsequent reboots.
189 += 3. Registering with a LoRaWAN Network Server =
185 185  
186 -For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 
191 +By default, the LT-22222-L is configured to operate in LoRaWAN Class C mode. It supports OTAA (Over-the-Air Activation), the most secure method for activating a device with a LoRaWAN network server. The LT-22222-L comes with device registration information that allows you to register it with a LoRaWAN network, enabling the device to perform OTAA activation with the network server upon initial power-up and after any subsequent reboots.
187 187  
193 +After powering on, the **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** the LoRaWAN network. The **TX LED** will be on for **5 seconds** after joining the network. When there is a **downlink** message from the server, the **RX LED** will be on for **1 second**. When the device is sending an uplink message to the server, the **TX LED** will be on for **1 second**. See also LED status.
194 +
188 188  In case you can't set the root key and other identifiers in the network server and must use them from the server, you can use [[AT Commands>>||anchor="H4.UseATCommand"]] to configure them on the device.
189 189  
190 -== 3.2 Registering with a LoRaWAN network server ==
197 +The network diagram below shows how the LT-22222-L is connected to a typical LoRaWAN network.
191 191  
192 -The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
193 -
194 194  [[image:image-20220523172350-1.png||height="266" width="864"]]
195 195  
196 196  === 3.2.1 Prerequisites ===
... ... @@ -203,66 +203,103 @@
203 203  
204 204  === 3.2.2 The Things Stack Sandbox (TTSS) ===
205 205  
211 +The Things Stack Sandbox was formally called The Things Stack Community Edition.
212 +
206 206  * Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account.
207 -* Create an application if you do not have one yet.
208 -* Register LT-22222-L with that application. Two registration options available:
214 +* Create an application with The Things Stack if you do not have one yet.
215 +* Go to your application page and click on the **End devices** in the left menu.
216 +* On the End devices page, click on **+ Register end device**. Two registration options are available:
209 209  
210 -==== Using the LoRaWAN Device Repository: ====
218 +==== 3.2.2.1 Using the LoRaWAN Device Repository ====
211 211  
212 -* Go to your application and click on the **Register end device** button.
213 213  * On the **Register end device** page:
214 -** Select the option **Select the end device in the LoRaWAN Device Repository**.
215 -** Choose the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)**.
216 -** Select the **Frequency plan** that matches with your device.
221 +** Select the option **Select the end device in the LoRaWAN Device Repository **under **Input method**.
222 +** Select the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)** from the respective dropdown lists.
223 +*** **End device brand**: Dragino Technology Co., Limited
224 +*** **Model**: LT22222-L I/O Controller
225 +*** **Hardware ver**: Unknown
226 +*** **Firmware ver**: 1.6.0
227 +*** **Profile (Region)**: Select the region that matches your device.
228 +** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list.
217 217  
218 218  [[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
219 219  
220 -*
221 -** Enter the **AppEUI** in the **JoinEUI** field and click **Confirm** button.
222 -** Enter the **DevEUI** in the **DevEUI** field.
223 -** Enter the **AppKey** in the **AppKey** field.
224 -** In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
232 +
233 +* Register end device page continued...
234 +** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button. If The Things Stack accepts the JoinEUI you provided, it will display the message 'This end device can be registered on the network'.
235 +** In the **DevEUI** field, enter the **DevEUI**.
236 +** In the **AppKey** field, enter the **AppKey.**
237 +** In the **End device ID** field, enter a unique name for your LT-22222-N within this application.
225 225  ** Under **After registration**, select the **View registered end device** option.
226 226  
227 227  [[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
228 228  
229 -==== Entering device information manually: ====
242 +==== ====
230 230  
244 +==== 3.2.2.2 Adding device manually ====
245 +
231 231  * On the **Register end device** page:
232 -** Select the **Enter end device specifies manually** option as the input method.
233 -** Select the **Frequency plan** that matches with your device.
234 -** Select the **LoRaWAN version**.
235 -** Select the **Regional Parameters version**.
236 -** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the section.
237 -** Select **Over the air activation (OTAA)** option under **Activation mode**
238 -** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities**.
247 +** Select the option **Enter end device specifies manually** under **Input method**.
248 +** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list.
249 +** Select the **LoRaWAN version** as **LoRaWAN Specification 1.0.3**
250 +** Select the **Regional Parameters version** as** RP001 Regional Parameters 1.0.3 revision A**
251 +** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the hidden section.
252 +** Select the option **Over the air activation (OTAA)** under the **Activation mode.**
253 +** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities** dropdown list.
239 239  
240 240  [[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
241 241  
242 242  
243 -* Enter **AppEUI** in the **JoinEUI** field and click **Confirm** button.
244 -* Enter **DevEUI** in the **DevEUI** field.
245 -* Enter **AppKey** in the **AppKey** field.
246 -* In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
247 -* Under **After registration**, select the **View registered end device** option.
258 +* Register end device page continued...
259 +** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button. If The Things Stack accepts the JoinEUI you provided, it will display the message 'This end device can be registered on the network'
260 +** In the **DevEUI** field, enter the **DevEUI**.
261 +** In the **AppKey** field, enter the **AppKey**.
262 +** In the **End device ID** field, enter a unique name for your LT-22222-N within this application.
263 +** Under **After registration**, select the **View registered end device** option.
264 +** Click the **Register end device** button.
248 248  
249 249  [[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
250 250  
251 251  
252 -==== Joining ====
269 +You will be navigated to the **Device overview** page.
253 253  
254 -Click on **Live Data** in the left navigation. Then, power on the device, and it will join The Things Stack Sandbox. You can see the join request, join accept, followed by uplink messages form the device showing in the Live Data panel.
255 255  
256 -[[image:1653298044601-602.png||height="405" width="709"]]
272 +[[image:lt-22222-device-overview.png||height="625" width="1000"]]
257 257  
258 258  
259 -== 3.3 Uplink Payload formats ==
275 +==== 3.2.2.3 Joining ====
260 260  
277 +On the Device overview page, click on **Live data** tab. The Live data panel for your device will display.
261 261  
262 -The LT-22222-L has 5 working modes. It also has an interrupt/trigger mode for different type applications that can be used together with all the working modes as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
279 +Now power on your LT-22222-L. It will begin joining The Things Stack. In the **Live data** panel, you can see the **join-request** and **join-accept** messages exchanged between the device and the network server. Once successfully joined, the device will send its first **uplink data message** to the application it belongs to (in this example, **dragino-docs**).
263 263  
264 -* (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2 x ACI + 2AVI + DI + DO + RO
265 265  
282 +[[image:lt-22222-join-network.png||height="625" width="1000"]]
283 +
284 +
285 +By default, you will receive an uplink data message from the device every 10 minutes.
286 +
287 +Click on one of a **Forward uplink data messages **to see its payload content. The payload content is encapsulated within the decode_payload {} JSON object.
288 +
289 +[[image:lt-22222-ul-payload-decoded.png]]
290 +
291 +
292 +If you can't see the decoded payload, it is because you haven't added the uplink formatter code. To add the uplink formatter code, select **End devices** > **LT-22222-L** > **Payload formatters** > **Uplink**. Then  select **Use Device repository formatters** for the **Formatter type** dropdown. Click the **Save changes** button to apply the changes.
293 +
294 +{{info}}
295 +The Things Stack provides two levels of payload formatters: application level and device level. The device-level payload formatters **override **the application-level payload formatters.
296 +{{/info}}
297 +
298 +[[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
299 +
300 +
301 +== 3.3 Working Modes and Uplink Payload formats ==
302 +
303 +
304 +The LT-22222-L has 5 **working modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any working mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
305 +
306 +* (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2ACI + 2AVI + DI + DO + RO
307 +
266 266  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
267 267  
268 268  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
... ... @@ -273,12 +273,19 @@
273 273  
274 274  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
275 275  
318 +The uplink messages are sent over LoRaWAN FPort=2. By default, an uplink message is sent every 10 minutes.
319 +
276 276  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
277 277  
278 -
279 279  (((
280 -In working mode MOD1, the uplink payload includes a total of 9 bytes. Uplink packets are sent over LoRaWAN FPort=2. By default, one uplink is sent every 10 minutes. (% style="display:none" %)
323 +This is the default mode.
281 281  
325 +The uplink payload is 11 bytes long.
326 +
327 +(% style="color:red" %)**Note:The maximum count depends on the bytes number of bytes.
328 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
329 +It starts counting again when it reaches the maximum value.**(% style="display:none" wfd-invisible="true" %)
330 +
282 282  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
283 283  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
284 284  |Value|(((
... ... @@ -289,13 +289,13 @@
289 289  ACI1 Current
290 290  )))|(((
291 291  ACI2 Current
292 -)))|DIDORO*|(((
341 +)))|**DIDORO***|(((
293 293  Reserve
294 294  )))|MOD
295 295  )))
296 296  
297 297  (((
298 -(% style="color:#4f81bd" %)*** DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte ,as shown below
347 +(% style="color:#4f81bd" %)*** DIDORO**(%%) is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, and its size is1 byte long as shown below.
299 299  
300 300  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
301 301  |**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
... ... @@ -302,9 +302,9 @@
302 302  |RO1|RO2|--DI3--|DI2|DI1|--DO3--|DO2|DO1
303 303  )))
304 304  
305 -* RO is for relay. ROx=1 : closed, ROx=0 always open.
306 -* DI is for digital input. DIx=1: high or floating, DIx=0: low.
307 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
354 +* RO is for the relay. ROx=1: CLOSED, ROx=0 always OPEN.
355 +* DI is for digital input. DIx=1: HIGH or FLOATING, DIx=0: LOW.
356 +* DO is for reverse digital output. DOx=1: LOW, DOx=0: HIGH or FLOATING.
308 308  
309 309  (% style="color:red" %)**Note: DI3 and DO3 bits are not valid for LT-22222-L**
310 310  
... ... @@ -321,36 +321,41 @@
321 321  
322 322  ACI2 channel current is 0x1300/1000=4.864mA
323 323  
324 -The last byte 0xAA= 10101010(B) means
373 +The last byte 0xAA= **10101010**(b) means,
325 325  
326 -* [1] RO1 relay channel is closed, and the RO1 LED is ON.
327 -* [0] RO2 relay channel is open, and RO2 LED is OFF.
375 +* [1] The RO1 relay channel is CLOSED, and the RO1 LED is ON.
376 +* [0] The RO2 relay channel is OPEN, and the RO2 LED is OFF.
377 +* **[1] DI3 - not used for LT-22222-L.**
378 +* [0] DI2 channel input is LOW, and the DI2 LED is OFF.
379 +* [1] DI1 channel input state:
380 +** DI1 is FLOATING when no sensor is connected between DI1+ and DI1-.
381 +** DI1 is HIGH when a sensor is connected between DI1- and DI1+ and the sensor is ACTIVE.
382 +** DI1 LED is ON in both cases.
383 +* **[0] DO3 - not used for LT-22222-L.**
384 +* [1] DO2 channel output is LOW, and the DO2 LED is ON.
385 +* [0] DO1 channel output state:
386 +** DO1 is FLOATING when there is no load between DO1 and V+.
387 +** DO1 is HIGH and there is a load between DO1 and V+.
388 +** DO1 LED is OFF in both cases.
328 328  
329 -**LT22222-L:**
390 +Reserve = 0
330 330  
331 -* [1] DI2 channel is high input and DI2 LED is ON.
332 -* [0] DI1 channel is low input.
392 +MOD = 1
333 333  
334 -* [0] DO3 channel output state
335 -** DO3 is float in case no load between DO3 and V+.
336 -** DO3 is high in case there is load between DO3 and V+.
337 -** DO3 LED is off in both case
338 -* [1] DO2 channel output is low and DO2 LED is ON.
339 -* [0] DO1 channel output state
340 -** DO1 is float in case no load between DO1 and V+.
341 -** DO1 is high in case there is load between DO1 and V+.
342 -** DO1 LED is off in both case.
343 -
344 344  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
345 345  
346 346  
347 347  (((
348 -**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
398 +**For LT-22222-L**: In this mode, **DI1 and DI2** are used as counting pins.
349 349  )))
350 350  
351 351  (((
352 -Total : 11 bytes payload
402 +The uplink payload is 11 bytes long.
353 353  
404 +(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
405 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
406 +It starts counting again when it reaches the maximum value.**
407 +
354 354  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
355 355  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
356 356  |Value|COUNT1|COUNT2 |DIDORO*|(((
... ... @@ -359,26 +359,26 @@
359 359  )))
360 360  
361 361  (((
362 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
416 +(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination of RO1, RO2, FIRST, Reserve, Reserve, DO3, DO2 and DO1, and its size is 1 byte long as shown below.
363 363  
364 364  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
365 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
366 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
419 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
420 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
367 367  
368 -RO is for relay. ROx=1 : close , ROx=0 always open.
422 +* RO is for the relay. ROx=1: CLOSED, ROx=0 always OPEN.
369 369  )))
370 370  
371 -* FIRST: Indicate this is the first packet after join network.
372 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
425 +* FIRST: Indicates that this is the first packet after joining the network.
426 +* DO is for reverse digital output. DOx=1: LOW, DOx=0: HIGH or FLOATING.
373 373  
374 374  (((
375 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
429 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L**
376 376  
377 377  
378 378  )))
379 379  
380 380  (((
381 -**To use counting mode, please run:**
435 +**To activate this mode, run the following AT commands:**
382 382  )))
383 383  
384 384  (((
... ... @@ -399,24 +399,27 @@
399 399  (((
400 400  **For LT22222-L:**
401 401  
402 -(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
456 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)** (sets the DI1 port to trigger on a LOW level. The valid signal duration is 100ms) **
403 403  
404 -(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
458 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)** (sets the DI1 port to trigger on a HIGH level. The valid signal duration is 100ms) **
405 405  
406 -(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
460 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)** (sets the DI2 port to trigger on a LOW level. The valid signal duration is 100ms) **
407 407  
408 -(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
462 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)** (sets the DI2 port to trigger on a HIGH level. The valid signal duration is 100ms) **
409 409  
410 -(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
464 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)** (sets the COUNT1 value to 60)**
411 411  
412 -(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
466 +(% style="color:blue" %)**AT+SETCNT=2,60 **(%%)**(sets the COUNT2 value to 60)**
413 413  )))
414 414  
415 415  
416 416  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
417 417  
472 +(% style="color:red" %)**Note: The maximum count depends on the bytes it is.
473 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
474 +It starts counting again when it reaches the maximum value.**
418 418  
419 -**LT22222-L**: This mode the DI1 is used as a counting pin.
476 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
420 420  
421 421  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
422 422  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
... ... @@ -427,24 +427,24 @@
427 427  )))|DIDORO*|Reserve|MOD
428 428  
429 429  (((
430 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
487 +(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
431 431  
432 432  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
433 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
434 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
490 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
491 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
435 435  )))
436 436  
437 -* RO is for relay. ROx=1 : close, ROx=0 always open.
438 -* FIRST: Indicate this is the first packet after join network.
439 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
494 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
495 +* FIRST: Indicates that this is the first packet after joining the network.
496 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
440 440  
441 441  (((
442 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
499 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
443 443  )))
444 444  
445 445  
446 446  (((
447 -**To use counting mode, please run:**
504 +**To activate this mode, run the following AT commands:**
448 448  )))
449 449  
450 450  (((
... ... @@ -457,19 +457,25 @@
457 457  )))
458 458  
459 459  (((
460 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
517 +AT Commands for counting:
518 +
519 +The AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
461 461  )))
462 462  
463 463  
464 464  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
465 465  
525 +(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
526 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
527 +It starts counting again when it reaches the maximum value.**
466 466  
529 +
467 467  (((
468 -**LT22222-L**: This mode the DI1 is used as a counting pin.
531 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
469 469  )))
470 470  
471 471  (((
472 -The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
535 +The AVI1 is also used for counting. It monitors the voltage and checks it every **60 seconds**. If the voltage is higher or lower than VOLMAX mV, the AVI1 count increases by 1, allowing AVI1 counting to be used to measure a machine's working hours.
473 473  
474 474  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
475 475  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
... ... @@ -479,25 +479,25 @@
479 479  )))
480 480  
481 481  (((
482 -(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
545 +(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
483 483  
484 484  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
485 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
486 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
548 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
549 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
487 487  )))
488 488  
489 -* RO is for relay. ROx=1 : close, ROx=0 always open.
490 -* FIRST: Indicate this is the first packet after join network.
491 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
552 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
553 +* FIRST: Indicates that this is the first packet after joining the network.
554 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
492 492  
493 493  (((
494 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
557 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
495 495  
496 496  
497 497  )))
498 498  
499 499  (((
500 -**To use this mode, please run:**
563 +**To activate this mode, run the following AT commands:**
501 501  )))
502 502  
503 503  (((
... ... @@ -510,27 +510,31 @@
510 510  )))
511 511  
512 512  (((
513 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
576 +AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
514 514  )))
515 515  
516 516  (((
517 -**Plus below command for AVI1 Counting:**
580 +**In addition to that, below are the commands for AVI1 Counting:**
518 518  
519 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
582 +(% style="color:blue" %)**AT+SETCNT=3,60 **(%%)**(Sets AVI1 Count to 60)**
520 520  
521 -(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
584 +(% style="color:blue" %)**AT+VOLMAX=20000 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
522 522  
523 -(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
586 +(% style="color:blue" %)**AT+VOLMAX=20000,0 **(%%)**(If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
524 524  
525 -(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
588 +(% style="color:blue" %)**AT+VOLMAX=20000,1 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
526 526  )))
527 527  
528 528  
529 529  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
530 530  
594 +(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
595 +The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
596 +It starts counting again when it reaches the maximum value.**
531 531  
532 -**LT22222-L**: This mode the DI1 is used as a counting pin.
533 533  
599 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
600 +
534 534  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
535 535  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
536 536  |Value|(((
... ... @@ -544,25 +544,25 @@
544 544  )))|MOD
545 545  
546 546  (((
547 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
614 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination of RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
548 548  
549 549  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
550 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
617 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
551 551  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
552 552  )))
553 553  
554 -* RO is for relay. ROx=1 : close, ROx=0 always open.
555 -* FIRST: Indicate this is the first packet after join network.
621 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
622 +* FIRST: Indicates that this is the first packet after joining the network.
556 556  * (((
557 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
624 +DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
558 558  )))
559 559  
560 560  (((
561 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
628 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
562 562  )))
563 563  
564 564  (((
565 -**To use this mode, please run:**
632 +**To activate this mode, run the following AT commands:**
566 566  )))
567 567  
568 568  (((
... ... @@ -575,29 +575,33 @@
575 575  )))
576 576  
577 577  (((
578 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
645 +Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
579 579  )))
580 580  
581 581  
582 -=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
649 +=== 3.3.6 AT+ADDMOD~=6 (Trigger Mode, Optional) ===
583 583  
584 584  
585 -(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
652 +(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate __alongside__ with other modes.**
586 586  
587 -For example, if user has configured below commands:
654 +For example, if you configure the following commands:
588 588  
589 -* **AT+MOD=1 ** **~-~->**  The normal working mode
590 -* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
656 +* **AT+MOD=1 ** **~-~->**  Sets the default working mode
657 +* **AT+ADDMOD6=1**   **~-~->**  Enables trigger mode
591 591  
592 -LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
659 +The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. It will send uplink packets in two cases:
593 593  
594 -1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
595 -1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
661 +1. Periodic uplink: Based on TDC time. The payload is the same as in normal mode (MOD=1 as set above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
662 +1. (((
663 +Trigger uplink: sent when a trigger condition is met. In this case, LT will send two packets
596 596  
597 -(% style="color:#037691" %)**AT Command to set Trigger Condition**:
665 +* The first uplink uses the payload specified in trigger mode (MOD=6).
666 +* The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**confirmed uplinks.**
667 +)))
598 598  
669 +(% style="color:#037691" %)**AT Commands to set Trigger Conditions**:
599 599  
600 -(% style="color:#4f81bd" %)**Trigger base on voltage**:
671 +(% style="color:#4f81bd" %)**Trigger based on voltage**:
601 601  
602 602  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
603 603  
... ... @@ -604,27 +604,25 @@
604 604  
605 605  **Example:**
606 606  
607 -AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
678 +AT+AVLIM=3000,6000,0,2000 (triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V)
608 608  
609 -AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
680 +AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
610 610  
611 611  
683 +(% style="color:#4f81bd" %)**Trigger based on current**:
612 612  
613 -(% style="color:#4f81bd" %)**Trigger base on current**:
614 -
615 615  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
616 616  
617 617  
618 618  **Example:**
619 619  
620 -AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
690 +AT+ACLIM=10000,15000,0,0 (triggers an uplink if AC1 current is lower than 10mA or higher than 15mA)
621 621  
622 622  
693 +(% style="color:#4f81bd" %)**Trigger based on DI status**:
623 623  
624 -(% style="color:#4f81bd" %)**Trigger base on DI status**:
695 +DI status triggers Flag.
625 625  
626 -DI status trigger Flag.
627 -
628 628  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
629 629  
630 630  
... ... @@ -633,39 +633,38 @@
633 633  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
634 634  
635 635  
636 -(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
705 +(% style="color:#037691" %)**LoRaWAN Downlink Commands for Setting the Trigger Conditions:**
637 637  
638 638  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
639 639  
640 640  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
641 641  
642 - AA: Code for this downlink Command:
711 + AA: Type Code for this downlink Command:
643 643  
644 - xx: 0: Limit for AV1 and AV2;  1: limit for AC1 and AC2 ; 2 DI1, DI2 trigger enable/disable
713 + xx: **0**: Limit for AV1 and AV2; **1**: limit for AC1 and AC2; **2**: DI1and DI2 trigger enable/disable.
645 645  
646 - yy1 yy1: AC1 or AV1 low limit or DI1/DI2 trigger status.
715 + yy1 yy1: AC1 or AV1 LOW limit or DI1/DI2 trigger status.
647 647  
648 - yy2 yy2: AC1 or AV1 high limit.
717 + yy2 yy2: AC1 or AV1 HIGH limit.
649 649  
650 - yy3 yy3: AC2 or AV2 low limit.
719 + yy3 yy3: AC2 or AV2 LOW limit.
651 651  
652 - Yy4 yy4: AC2 or AV2 high limit.
721 + Yy4 yy4: AC2 or AV2 HIGH limit.
653 653  
654 654  
655 -**Example1**: AA 00 13 88 00 00 00 00 00 00
724 +**Example 1**: AA 00 13 88 00 00 00 00 00 00
656 656  
657 -Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
726 +Same as AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage is lower than 5V. Use 0s for parameters that are not in use)
658 658  
659 659  
660 -**Example2**: AA 02 01 00
729 +**Example 2**: AA 02 01 00
661 661  
662 -Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
731 +Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
663 663  
664 664  
665 -
666 666  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
667 667  
668 -MOD6 Payload : total 11 bytes payload
736 +MOD6 Payload: total of 11 bytes
669 669  
670 670  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
671 671  |(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
... ... @@ -679,10 +679,10 @@
679 679  MOD(6)
680 680  )))
681 681  
682 -(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
750 +(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1 byte as below
683 683  
684 684  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
685 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
753 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
686 686  |(((
687 687  AV1_LOW
688 688  )))|(((
... ... @@ -701,17 +701,17 @@
701 701  AC2_HIGH
702 702  )))
703 703  
704 -* Each bits shows if the corresponding trigger has been configured.
772 +* Each bit shows if the corresponding trigger has been configured.
705 705  
706 706  **Example:**
707 707  
708 -10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
776 +10100000: Means the system has configure to use the trigger: AV1_LOW and AV2_LOW
709 709  
710 710  
711 -(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
779 +(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1 byte as below
712 712  
713 713  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
714 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
782 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
715 715  |(((
716 716  AV1_LOW
717 717  )))|(((
... ... @@ -730,20 +730,20 @@
730 730  AC2_HIGH
731 731  )))
732 732  
733 -* Each bits shows which status has been trigger on this uplink.
801 +* Each bit shows which status has been triggered on this uplink.
734 734  
735 735  **Example:**
736 736  
737 -10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
805 +10000000: Means this uplink is triggered by AV1_LOW. That means the voltage is too low.
738 738  
739 739  
740 740  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
741 741  
742 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
743 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
744 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
810 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:674px" %)
811 +|(% style="width:64px" %)**bit 7**|(% style="width:68px" %)**bit 6**|(% style="width:63px" %)**bit 5**|(% style="width:66px" %)**bit 4**|(% style="width:109px" %)**bit 3**|(% style="width:93px" %)**bit 2**|(% style="width:109px" %)**bit 1**|(% style="width:99px" %)**bit 0**
812 +|(% style="width:64px" %)N/A|(% style="width:68px" %)N/A|(% style="width:63px" %)N/A|(% style="width:66px" %)N/A|(% style="width:109px" %)DI2_STATUS|(% style="width:93px" %)DI2_FLAG|(% style="width:109px" %)DI1_STATUS|(% style="width:99px" %)DI1_FLAG
745 745  
746 -* Each bits shows which status has been trigger on this uplink.
814 +* Each bits shows which status has been triggered on this uplink.
747 747  
748 748  **Example:**
749 749  
... ... @@ -770,230 +770,482 @@
770 770  )))
771 771  
772 772  
773 -== 3.4 ​Configure LT via AT or Downlink ==
841 +== 3.4 ​Configure LT-22222-L via AT Commands or Downlinks ==
774 774  
775 -
776 776  (((
777 -User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
844 +You can configure LT-22222-L I/O Controller via AT Commands or LoRaWAN Downlinks.
778 778  )))
779 779  
780 780  (((
781 781  (((
782 -There are two kinds of Commands:
849 +There are two tytes of commands:
783 783  )))
784 784  )))
785 785  
786 -* (% style="color:blue" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
853 +* (% style="color:blue" %)**Common commands**(%%):
787 787  
788 -* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
855 +* (% style="color:blue" %)**Sensor-related commands**(%%):
789 789  
790 -=== 3.4.1 Common Commands ===
857 +=== 3.4.1 Common commands ===
791 791  
792 -
793 793  (((
794 -They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
860 +These are available for each sensorand include actions such as changing the uplink interval or resetting the device. For firmware v1.5.4, you can find the supported common commands under: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]s.
795 795  )))
796 796  
863 +=== 3.4.2 Sensor-related commands ===
797 797  
798 -=== 3.4.2 Sensor related commands ===
865 +These commands are specially designed for the LT-22222-L. Commands can be sent to the device using options such as an AT command or a LoRaWAN downlink payload.
799 799  
867 +
800 800  ==== 3.4.2.1 Set Transmit Interval ====
801 801  
870 +Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes.
802 802  
803 -Set device uplink interval.
872 +(% style="color:#037691" %)**AT command**
804 804  
805 -* (% style="color:#037691" %)**AT Command:**
874 +(% border="2" style="width:500px" %)
875 +|**Command**|AT+TDC=<time>
876 +|**Response**|
877 +|**Parameters**|**time** : uplink interval is in milliseconds
878 +|**Example**|(((
879 +AT+TDC=30000
806 806  
807 -(% style="color:blue" %)**AT+TDC=N **
881 +Sets the uplink interval to 30,000 milliseconds (30 seconds)
882 +)))
808 808  
884 +(% style="color:#037691" %)**Downlink payload**
809 809  
810 -**Example: **AT+TDC=30000. Means set interval to 30 seconds
886 +(% border="2" style="width:500px" %)
887 +|**Payload**|(((
888 +<prefix><time>
889 +)))
890 +|**Parameters**|(((
891 +**prefix** : 0x01
811 811  
893 +**time** : uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
894 +)))
895 +|**Example**|(((
896 +01 **00 75 30**
812 812  
813 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
898 +Sets the uplink interval to 30,000 milliseconds (30 seconds)
814 814  
815 -(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
900 +Conversion: 30000 (dec) = 00 75 30 (hex)
816 816  
902 +See [[RapidTables>>https://www.rapidtables.com/convert/number/decimal-to-hex.html?x=30000]]
903 +)))
817 817  
905 +==== 3.4.2.2 Set the Working Mode (AT+MOD) ====
818 818  
819 -==== 3.4.2.2 Set Work Mode (AT+MOD) ====
907 +Sets the working mode.
820 820  
909 +(% style="color:#037691" %)**AT command**
821 821  
822 -Set work mode.
911 +(% border="2" style="width:500px" %)
912 +|(% style="width:97px" %)**Command**|(% style="width:413px" %)AT+MODE=<working_mode>
913 +|(% style="width:97px" %)**Response**|(% style="width:413px" %)
914 +|(% style="width:97px" %)**Parameters**|(% style="width:413px" %)(((
915 +**working_mode** :
823 823  
824 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
917 +1 = (Default mode/factory set):  2ACI + 2AVI + DI + DO + RO
825 825  
826 -**Example**: AT+MOD=2. Set work mode to Double DI counting mode
919 +2 = Double DI Counting + DO + RO
827 827  
828 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
921 +3 = Single DI Counting + 2 x ACI + DO + RO
829 829  
830 -(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
923 +4 = Single DI Counting + 1 x Voltage Counting + DO + RO
831 831  
925 +5 = Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
832 832  
927 +6 = Trigger Mode, Optional, used together with MOD1 ~~ MOD5
928 +)))
929 +|(% style="width:97px" %)**Example**|(% style="width:413px" %)(((
930 +AT+MOD=2
833 833  
834 -==== 3.4.2.3 Poll an uplink ====
932 +Sets the device to working mode 2 (Double DI Counting + DO + RO)
933 +)))
835 835  
935 +(% class="wikigeneratedid" %)
936 +(% style="color:#037691" %)**Downlink payload**
836 836  
837 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
938 +(% border="2" style="width:500px" %)
939 +|(% style="width:98px" %)**Payload**|(% style="width:400px" %)<prefix><working_mode>
940 +|(% style="width:98px" %)**Parameters**|(% style="width:400px" %)(((
941 +**prefix** : 0x0A
838 838  
839 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
943 +**working_mode** : Working mode, represented by 1 byte in hexadecimal.
944 +)))
945 +|(% style="width:98px" %)**Example**|(% style="width:400px" %)(((
946 +0A **02**
840 840  
841 -(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
948 +Sets the device to working mode 2 (Double DI Counting + DO + RO)
949 +)))
842 842  
843 -**Example**: 0x08FF, ask device to send an Uplink
951 +==== 3.4.2.3 Poll an uplink ====
844 844  
953 +Requests an uplink from LT-22222-L.
845 845  
955 +(% style="color:#037691" %)**AT command**
846 846  
847 -==== 3.4.2.4 Enable Trigger Mode ====
957 +There is no AT Command to request an uplink from LT-22222-L
848 848  
959 +(% style="color:#037691" %)**Downlink payload**
849 849  
850 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
961 +(% border="2" style="width:500px" %)
962 +|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix>FF
963 +|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)**prefix** : 0x08
964 +|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
965 +08 FF
851 851  
852 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
967 +Requests an uplink from LT-22222-L.
968 +)))
853 853  
854 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
970 +==== 3.4.2.4 Enable/Disable Trigger Mode ====
855 855  
856 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
972 +Enable or disable the trigger mode for the current working mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
857 857  
974 +(% style="color:#037691" %)**AT Command**
858 858  
859 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
976 +(% border="2" style="width:500px" %)
977 +|(% style="width:95px" %)**Command**|(% style="width:403px" %)AT+ADDMOD6=<enable/disable trigger_mode>
978 +|(% style="width:95px" %)**Response**|(% style="width:403px" %)
979 +|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)(((
980 +**enable/disable trigger_mode** :
860 860  
861 -(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
982 +1 = enable trigger mode
862 862  
984 +0 = disable trigger mode
985 +)))
986 +|(% style="width:95px" %)**Example**|(% style="width:403px" %)(((
987 +AT+ADDMOD6=1
863 863  
989 +Enable trigger mode for the current working mode
990 +)))
864 864  
865 -==== 3.4.2.5 Poll trigger settings ====
992 +(% style="color:#037691" %)**Downlink payload**
866 866  
994 +(% border="2" style="width:500px" %)
995 +|(% style="width:97px" %)**Payload**|(% style="width:401px" %)<prefix><enable/disable trigger_mode>
996 +|(% style="width:97px" %)**Parameters**|(% style="width:401px" %)(((
997 +**prefix** : 0x0A 06 (two bytes in hexadecimal)
867 867  
868 -Poll trigger settings
999 +**working mode** : enable (1) or disable (0), represented by 1 byte in hexadecimal.
1000 +)))
1001 +|(% style="width:97px" %)**Example**|(% style="width:401px" %)(((
1002 +0A 06 **01**
869 869  
870 -* (% style="color:#037691" %)**AT Command:**
1004 +Enable trigger mode for the current working mode
1005 +)))
871 871  
1007 +==== 3.4.2.5 Poll trigger settings ====
1008 +
1009 +Polls the trigger settings.
1010 +
1011 +(% style="color:#037691" %)**AT Command:**
1012 +
872 872  There is no AT Command for this feature.
873 873  
874 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
1015 +(% style="color:#037691" %)**Downlink Payload**
875 875  
876 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
1017 +(% border="2" style="width:500px" %)
1018 +|(% style="width:95px" %)**Payload**|(% style="width:403px" %)<prefix>
1019 +|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)**prefix **: AB 06 (two bytes in hexadecimal)
1020 +|(% style="width:95px" %)**Example**|(% style="width:403px" %)(((
1021 +AB 06
877 877  
1023 +Uplinks the trigger settings.
1024 +)))
878 878  
1026 +==== 3.4.2.6 Enable/Disable DI1/DI2/DI3 as a trigger ====
879 879  
880 -==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
1028 +Enable or disable DI1/DI2/DI3 as a trigger.
881 881  
1030 +(% style="color:#037691" %)**AT Command**
882 882  
883 -Enable Disable DI1/DI2/DI2 as trigger,
1032 +(% border="2" style="width:500px" %)
1033 +|(% style="width:98px" %)**Command**|(% style="width:400px" %)AT+DTRI=<DI1_trigger>,<DI2_trigger>
1034 +|(% style="width:98px" %)**Response**|(% style="width:400px" %)
1035 +|(% style="width:98px" %)**Parameters**|(% style="width:400px" %)(((
1036 +**DI1_trigger:**
884 884  
885 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
1038 +1 = enable DI1 trigger
886 886  
887 -**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
1040 +0 = disable DI1 trigger
888 888  
1042 +**DI2 _trigger**
889 889  
890 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
1044 +1 = enable DI2 trigger
891 891  
892 -(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
1046 +0 = disable DI2 trigger
1047 +)))
1048 +|(% style="width:98px" %)**Example**|(% style="width:400px" %)(((
1049 +AT+DTRI=1,0
893 893  
1051 +Enable DI1 trigger, disable DI2 trigger
1052 +)))
894 894  
1054 +(% class="wikigeneratedid" %)
1055 +(% style="color:#037691" %)**Downlink Payload**
895 895  
896 -==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
1057 +(% border="2" style="width:500px" %)
1058 +|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix><DI1_trigger><DI2_trigger>
1059 +|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
1060 +**prefix :** AA 02 (two bytes in hexadecimal)
897 897  
1062 +**DI1_trigger:**
898 898  
899 -Set DI1 or DI3(for LT-33222-L) trigger.
1064 +1 = enable DI1 trigger, represented by 1 byte in hexadecimal.
900 900  
901 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
1066 +0 = disable DI1 trigger, represented by 1 byte in hexadecimal.
902 902  
903 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
1068 +**DI2 _trigger**
904 904  
905 -(% style="color:red" %)**b :** (%%)delay timing.
1070 +1 = enable DI2 trigger, represented by 1 byte in hexadecimal.
906 906  
907 -**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
1072 +0 = disable DI2 trigger, represented by 1 byte in hexadecimal.
1073 +)))
1074 +|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
1075 +AA 02 **01 00**
908 908  
1077 +Enable DI1 trigger, disable DI2 trigger
1078 +)))
909 909  
910 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
1080 +==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ====
911 911  
912 -(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
1082 +Sets DI1 or DI3 (for LT-33222-L) as a trigger.
913 913  
914 914  
1085 +(% style="color:#037691" %)**AT Command**
915 915  
916 -==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
1087 +(% border="2" style="width:500px" %)
1088 +|(% style="width:101px" %)**Command**|(% style="width:397px" %)AT+TRIG1=<interrupt_mode>,<minimum_signal_duration>
1089 +|(% style="width:101px" %)**Response**|(% style="width:397px" %)
1090 +|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
1091 +**interrupt_mode** :  0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
917 917  
1093 +**minimum_signal_duration** : the **minimum signal duration** required for the DI1 port to recognize a valid trigger.
1094 +)))
1095 +|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
1096 +AT+TRIG1=1,100
918 918  
919 -Set DI2 trigger.
1098 +Set the DI1 port to trigger on a rising edge; the valid signal duration is 100 ms.
1099 +)))
920 920  
921 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
1101 +(% class="wikigeneratedid" %)
1102 +(% style="color:#037691" %)**Downlink Payload**
922 922  
923 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
1104 +(% border="2" style="width:500px" %)
1105 +|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix><interrupt_mode><minimum_signal_duration>
1106 +|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
1107 +**prefix** : 09 01 (hexadecimal)
924 924  
925 -(% style="color:red" %)**b :** (%%)delay timing.
1109 +**interrupt_mode** : 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1), represented by 1 byte in hexadecimal.
926 926  
927 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
1111 +**minimum_signal_duration** : in milliseconds, represented two bytes in hexadecimal.
1112 +)))
1113 +|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
1114 +09 01 **01 00 64**
928 928  
1116 +Set the DI1 port to trigger on a rising edge; the valid signal duration is 100 ms.
1117 +)))
929 929  
930 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
1119 +==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ====
931 931  
932 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
1121 +Sets DI2 as a trigger.
933 933  
934 934  
1124 +(% style="color:#037691" %)**AT Command**
935 935  
936 -==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
1126 +(% border="2" style="width:500px" %)
1127 +|(% style="width:94px" %)**Command**|(% style="width:404px" %)AT+TRIG2=<interrupt_mode>,<minimum_signal_duration>
1128 +|(% style="width:94px" %)**Response**|(% style="width:404px" %)
1129 +|(% style="width:94px" %)**Parameters**|(% style="width:404px" %)(((
1130 +**interrupt_mode **:  0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
937 937  
1132 +**minimum_signal_duration** : the **minimum signal duration** required for the DI1 port to recognize a valid trigger.
1133 +)))
1134 +|(% style="width:94px" %)**Example**|(% style="width:404px" %)(((
1135 +AT+TRIG2=0,100
938 938  
939 -Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1137 +Set the DI1 port to trigger on a falling edge; the valid signal duration is 100 ms.
1138 +)))
940 940  
941 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
1140 +(% style="color:#037691" %)**Downlink Payload**
942 942  
943 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
1142 +(% border="2" style="width:500px" %)
1143 +|(% style="width:96px" %)**Payload**|(% style="width:402px" %)<prefix><interrupt_mode><minimum_signal_duration>
1144 +|(% style="width:96px" %)**Parameters**|(% style="width:402px" %)(((
1145 +**prefix** : 09 02 (hexadecimal)
944 944  
945 -(% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1147 +**interrupt_mode **0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1), represented by 1 byte in hexadecimal.
946 946  
1149 +**minimum_signal_duration** : in milliseconds, represented two bytes in hexadecimal
1150 +)))
1151 +|(% style="width:96px" %)**Example**|(% style="width:402px" %)09 02 **00 00 64**
947 947  
1153 +==== ====
948 948  
1155 +==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
1156 +
1157 +Sets the current trigger based on the AC port. See also [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1158 +
1159 +(% style="color:#037691" %)**AT Command**
1160 +
1161 +(% border="2" style="width:500px" %)
1162 +|(% style="width:104px" %)**Command**|(% style="width:394px" %)(((
1163 +AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
1164 +)))
1165 +|(% style="width:104px" %)**Response**|(% style="width:394px" %)
1166 +|(% style="width:104px" %)**Parameters**|(% style="width:394px" %)(((
1167 +**AC1_LIMIT_LOW** : lower limit of the current to be checked
1168 +
1169 +**AC1_LIMIT_HIGH **: higher limit of the current to be checked
1170 +
1171 +**AC2_LIMIT_HIGH **: lower limit of the current to be checked
1172 +
1173 +**AC2_LIMIT_LOW** : higher limit of the current to be checked
1174 +)))
1175 +|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
1176 +AT+ACLIM=10000,15000,0,0
1177 +
1178 +Triggers an uplink if AC1 current is lower than 10mA or higher than 15mA
1179 +)))
1180 +|(% style="width:104px" %)Note|(% style="width:394px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1181 +
1182 +(% style="color:#037691" %)**Downlink Payload**
1183 +
1184 +(% border="2" style="width:500px" %)
1185 +|(% style="width:104px" %)**Payload**|(% style="width:394px" %)<prefix><AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
1186 +|(% style="width:104px" %)**Parameters**|(% style="width:394px" %)(((
1187 +**prefix **: AA 01 (hexadecimal)
1188 +
1189 +**AC1_LIMIT_LOW** : lower limit of the current to be checked, two bytes in hexadecimal
1190 +
1191 +**AC1_LIMIT_HIGH **: higher limit of the current to be checked, two bytes in hexadecimal
1192 +
1193 +**AC2_LIMIT_HIGH **: lower limit of the current to be checked, two bytes in hexadecimal
1194 +
1195 +**AC2_LIMIT_LOW** : higher limit of the current to be checked, two bytes in hexadecimal
1196 +)))
1197 +|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
1198 +AA 01 **27** **10 3A** **98** 00 00 00 00
1199 +
1200 +Triggers an uplink if AC1 current is lower than 10mA or higher than 15mA. Set all values to zero for AC2 limits because we are only checking AC1 limits.
1201 +)))
1202 +|(% style="width:104px" %)Note|(% style="width:394px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1203 +
949 949  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
950 950  
1206 +Sets the current trigger based on the AV port. See also [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
951 951  
952 -Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1208 +(% style="color:#037691" %)**AT Command**
953 953  
954 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1210 +(% border="2" style="width:500px" %)
1211 +|(% style="width:104px" %)**Command**|(% style="width:387px" %)AT+AVLIM= AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
1212 +|(% style="width:104px" %)**Response**|(% style="width:387px" %)
1213 +|(% style="width:104px" %)**Parameters**|(% style="width:387px" %)(((
1214 +**AC1_LIMIT_LOW** : lower limit of the current to be checked
955 955  
956 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1216 +**AC1_LIMIT_HIGH **: higher limit of the current to be checked
957 957  
958 -(% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1218 +**AC2_LIMIT_HIGH **: lower limit of the current to be checked
959 959  
1220 +**AC2_LIMIT_LOW** : higher limit of the current to be checked
1221 +)))
1222 +|(% style="width:104px" %)**Example**|(% style="width:387px" %)(((
1223 +AT+AVLIM=3000,6000,0,2000
960 960  
1225 +Triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V
1226 +)))
1227 +|(% style="width:104px" %)**Note**|(% style="width:387px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
961 961  
962 -==== 3.4.2.11 Trigger – Set minimum interval ====
1229 +(% style="color:#037691" %)**Downlink Payload**
963 963  
1231 +(% border="2" style="width:500px" %)
1232 +|(% style="width:104px" %)**Payload**|(% style="width:394px" %)<prefix><AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
1233 +|(% style="width:104px" %)**Parameters**|(% style="width:394px" %)(((
1234 +**prefix **: AA 00 (hexadecimal)
964 964  
965 -Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1236 +**AV1_LIMIT_LOW** : lower limit of the voltage to be checked, two bytes in hexadecimal
966 966  
967 -* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
1238 +**AV1_LIMIT_HIGH **: higher limit of the voltage to be checked, two bytes in hexadecimal
968 968  
969 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1240 +**AV2_LIMIT_HIGH **: lower limit of the voltage to be checked, two bytes in hexadecimal
970 970  
971 -(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1242 +**AV2_LIMIT_LOW** : higher limit of the voltage to be checked, two bytes in hexadecimal
1243 +)))
1244 +|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
1245 +AA 00 **0B B8 17 70 00 00 07 D0**
972 972  
973 -(((
974 -(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1247 +Triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V.
975 975  )))
1249 +|(% style="width:104px" %)**Note**|(% style="width:394px" %)See also, [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
976 976  
1251 +==== 3.4.2.11 Trigger – Set minimum interval ====
977 977  
1253 +Sets the AV and AC trigger minimum interval. The device won't respond to a second trigger within this set time after the first trigger.
978 978  
1255 +(% style="color:#037691" %)**AT Command**
1256 +
1257 +(% border="2" style="width:500px" %)
1258 +|(% style="width:113px" %)**Command**|(% style="width:385px" %)AT+ATDC=<time>
1259 +|(% style="width:113px" %)**Response**|(% style="width:385px" %)
1260 +|(% style="width:113px" %)**Parameters**|(% style="width:385px" %)(((
1261 +**time** : in minutes
1262 +)))
1263 +|(% style="width:113px" %)**Example**|(% style="width:385px" %)(((
1264 +AT+ATDC=5
1265 +
1266 +The device won't respond to the second trigger within 5 minutes after the first trigger.
1267 +)))
1268 +|(% style="width:113px" %)Note|(% style="width:385px" %)(% style="color:red" %)**The time must be greater than 5 minutes.**
1269 +
1270 +(% style="color:#037691" %)**Downlink Payload**
1271 +
1272 +(% border="2" style="width:500px" %)
1273 +|(% style="width:112px" %)**Payload**|(% style="width:386px" %)<prefix><time>
1274 +|(% style="width:112px" %)**Parameters**|(% style="width:386px" %)(((
1275 +**prefix** : AC (hexadecimal)
1276 +
1277 +**time **: in minutes (two bytes in hexadecimal)
1278 +)))
1279 +|(% style="width:112px" %)**Example**|(% style="width:386px" %)(((
1280 +AC **00 05**
1281 +
1282 +The device won't respond to the second trigger within 5 minutes after the first trigger.
1283 +)))
1284 +|(% style="width:112px" %)Note|(% style="width:386px" %)(% style="color:red" %)**The time must be greater than 5 minutes.**
1285 +
979 979  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
980 980  
1288 +Controls the digital outputs DO1, DO2, and DO3
981 981  
982 -* (% style="color:#037691" %)**AT Command**
1290 +(% style="color:#037691" %)**AT Command**
983 983  
984 -There is no AT Command to control Digital Output
1292 +There is no AT Command to control the Digital Output.
985 985  
986 986  
987 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1295 +(% style="color:#037691" %)**Downlink Payload**
988 988  
989 -(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1297 +(% border="2" style="width:500px" %)
1298 +|(% style="width:115px" %)**Payload**|(% style="width:383px" %)<prefix><DO1><DO2><DO3>
1299 +|(% style="width:115px" %)**Parameters**|(% style="width:383px" %)(((
1300 +**prefix** : 02 (hexadecimal)
990 990  
991 -(((
992 -If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1302 +**DOI** : 01: Low,  00: High, 11: No action (1 byte in hex)
1303 +
1304 +**DO2** : 01: Low,  00: High, 11: No action (1 byte in hex)
1305 +
1306 +**DO3 **: 01: Low,  00: High, 11: No action (1 byte in hex)
993 993  )))
1308 +|(% style="width:115px" %)**Examples**|(% style="width:383px" %)(((
1309 +02 **01 00 01**
994 994  
1311 +If there is a load between V+ and DOx, it means DO1 is set to low, DO2 is set to high, and DO3 is set to low.
1312 +
1313 +**More examples:**
1314 +
995 995  (((
996 -01: Low,  00: High ,  11: No action
1316 +01: Low,  00: High,  11: No action
997 997  
998 998  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
999 999  |(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
... ... @@ -1003,15 +1003,18 @@
1003 1003  )))
1004 1004  
1005 1005  (((
1006 -(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1326 +(((
1327 +(% style="color:red" %)**Note: For the LT-22222-L, there is no DO3; the last byte can have any value.**
1007 1007  )))
1008 1008  
1009 1009  (((
1010 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1331 +(% style="color:red" %)**The device will upload a packet if downlink code executes successfully.**
1011 1011  )))
1333 +)))
1334 +)))
1012 1012  
1336 +==== ====
1013 1013  
1014 -
1015 1015  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1016 1016  
1017 1017  
... ... @@ -1036,7 +1036,7 @@
1036 1036  00: DO pins will change to an inverter state after timeout 
1037 1037  
1038 1038  
1039 -(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1362 +(% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Port status:
1040 1040  
1041 1041  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1042 1042  |(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
... ... @@ -1044,7 +1044,7 @@
1044 1044  |0x00|DO1 set to high
1045 1045  |0x11|DO1 NO Action
1046 1046  
1047 -(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1370 +(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Port status:
1048 1048  
1049 1049  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1050 1050  |(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
... ... @@ -1052,7 +1052,7 @@
1052 1052  |0x00|DO2 set to high
1053 1053  |0x11|DO2 NO Action
1054 1054  
1055 -(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1378 +(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Port status:
1056 1056  
1057 1057  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1058 1058  |(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
... ... @@ -1060,16 +1060,16 @@
1060 1060  |0x00|DO3 set to high
1061 1061  |0x11|DO3 NO Action
1062 1062  
1063 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1386 +(% style="color:#4f81bd" %)**Sixth, Seventh, Eighth, and Ninth Bytes**:(%%) Latching time (Unit: ms)
1064 1064  
1065 1065  
1066 1066  (% style="color:red" %)**Note: **
1067 1067  
1068 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1391 + Since firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1069 1069  
1070 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1393 + Before firmware v1.6.0, the latch time only supported 2 bytes.
1071 1071  
1072 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1395 +(% style="color:red" %)**Device will upload a packet if the downlink code executes successfully.**
1073 1073  
1074 1074  
1075 1075  **Example payload:**
... ... @@ -1076,22 +1076,21 @@
1076 1076  
1077 1077  **~1. A9 01 01 01 01 07 D0**
1078 1078  
1079 -DO1 pin & DO2 pin & DO3 pin will be set to Low, last 2 seconds, then change back to original state.
1402 +DO1 pin, DO2 pin, and DO3 pin will be set to low, last for 2 seconds, and then revert to their original state.
1080 1080  
1081 1081  **2. A9 01 00 01 11 07 D0**
1082 1082  
1083 -DO1 pin set high, DO2 pin set low, DO3 pin no action, last 2 seconds, then change back to original state.
1406 +DO1 pin is set to high, DO2 pin is set to low, and DO3 pin takes no action. This lasts for 2 seconds and then reverts to the original state.
1084 1084  
1085 1085  **3. A9 00 00 00 00 07 D0**
1086 1086  
1087 -DO1 pin & DO2 pin & DO3 pin will be set to high, last 2 seconds, then both change to low.
1410 +DO1 pin, DO2 pin, and DO3 pin will be set to high, last for 2 seconds, and then all change to low.
1088 1088  
1089 1089  **4. A9 00 11 01 00 07 D0**
1090 1090  
1091 -DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1414 +DO1 pin takes no action, DO2 pin is set to low, and DO3 pin is set to high. This lasts for 2 seconds, after which DO1 pin takes no action, DO2 pin is set to high, and DO3 pin is set to low.
1092 1092  
1093 1093  
1094 -
1095 1095  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1096 1096  
1097 1097  
... ... @@ -1106,7 +1106,7 @@
1106 1106  
1107 1107  
1108 1108  (((
1109 -If payload = 0x030100, it means set RO1 to close and RO2 to open.
1431 +If payload is 0x030100, it means setting RO1 to close and RO2 to open.
1110 1110  )))
1111 1111  
1112 1112  (((
... ... @@ -1127,9 +1127,9 @@
1127 1127  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1128 1128  
1129 1129  
1130 -
1131 1131  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1132 1132  
1454 +Controls the relay output time.
1133 1133  
1134 1134  * (% style="color:#037691" %)**AT Command:**
1135 1135  
... ... @@ -1141,15 +1141,15 @@
1141 1141  (% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1142 1142  
1143 1143  
1144 -This is to control the relay output time of relay. Include four bytes:
1466 +This is to control the relay output time. It includes four bytes:
1145 1145  
1146 1146  (% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
1147 1147  
1148 1148  (% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode
1149 1149  
1150 -01: Relays will change back to original state after timeout.
1472 +01: Relays will change back to their original state after timeout.
1151 1151  
1152 -00: Relays will change to an inverter state after timeout
1474 +00: Relays will change to the inverter state after timeout.
1153 1153  
1154 1154  
1155 1155  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
... ... @@ -1162,12 +1162,12 @@
1162 1162  
1163 1163  (% style="color:red" %)**Note:**
1164 1164  
1165 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1487 + Since firmware v1.6.0, the latch time supports both 4 bytes and 2 bytes.
1166 1166  
1167 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1489 + Before firmware v1.6.0, the latch time only supported 2 bytes.
1168 1168  
1169 1169  
1170 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1492 +(% style="color:red" %)**Device will upload a packet if the downlink code executes successfully.**
1171 1171  
1172 1172  
1173 1173  **Example payload:**
... ... @@ -1174,19 +1174,19 @@
1174 1174  
1175 1175  **~1. 05 01 11 07 D0**
1176 1176  
1177 -Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1499 +Relay1 and Relay2 will be set to NC, lasting 2 seconds, then revert to their original state
1178 1178  
1179 1179  **2. 05 01 10 07 D0**
1180 1180  
1181 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1503 +Relay1 will change to NC, Relay2 will change to NO, lasting 2 seconds, then both will revert to their original state.
1182 1182  
1183 1183  **3. 05 00 01 07 D0**
1184 1184  
1185 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1507 +Relay1 will change to NO, Relay2 will change to NC, lasting 2 seconds, then Relay1 will change to NC, and Relay2 will change to NO.
1186 1186  
1187 1187  **4. 05 00 00 07 D0**
1188 1188  
1189 -Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1511 +Relay1 and Relay2 will change to NO, lasting 2 seconds, then both will change to NC.
1190 1190  
1191 1191  
1192 1192  
... ... @@ -1193,7 +1193,7 @@
1193 1193  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1194 1194  
1195 1195  
1196 -When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1518 +When the voltage exceeds the threshold, counting begins. For details, see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1197 1197  
1198 1198  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1199 1199  
... ... @@ -1202,15 +1202,76 @@
1202 1202  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1203 1203  
1204 1204  
1527 +(% style="color:#037691" %)**AT Command**
1205 1205  
1529 +(% border="2" style="width:500px" %)
1530 +|(% style="width:137px" %)**Command**|(% style="width:361px" %)AT+VOLMAX=<voltage><logic>
1531 +|(% style="width:137px" %)**Response**|(% style="width:361px" %)
1532 +|(% style="width:137px" %)**Parameters**|(% style="width:361px" %)(((
1533 +**voltage** : voltage threshold in mV
1534 +
1535 +**logic**:
1536 +
1537 +0 : lower than
1538 +
1539 +1: higher than
1540 +
1541 +if you leave logic parameter blank, it is considered 0
1542 +)))
1543 +|(% style="width:137px" %)**Examples**|(% style="width:361px" %)(((
1544 +AT+VOLMAX=20000
1545 +
1546 +If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1
1547 +
1548 +AT+VOLMAX=20000,0
1549 +
1550 +If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1
1551 +
1552 +AT+VOLMAX=20000,1
1553 +
1554 +If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1
1555 +)))
1556 +
1557 +(% style="color:#037691" %)**Downlink Payload**
1558 +
1559 +(% border="2" style="width:500px" %)
1560 +|(% style="width:140px" %)**Payload**|(% style="width:358px" %)<prefix><voltage><logic>
1561 +|(% style="width:140px" %)**Parameters**|(% style="width:358px" %)(((
1562 +**prefix** : A5 (hex)
1563 +
1564 +**voltage** : voltage threshold in mV (2 bytes in hex)
1565 +
1566 +**logic**: (1 byte in hexadecimal)
1567 +
1568 +0 : lower than
1569 +
1570 +1: higher than
1571 +
1572 +if you leave logic parameter blank, it is considered 1 (higher than)
1573 +)))
1574 +|(% style="width:140px" %)**Example**|(% style="width:358px" %)(((
1575 +A5 **4E 20**
1576 +
1577 +If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1
1578 +
1579 +A5 **4E 20 00**
1580 +
1581 +If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1
1582 +
1583 +A5 **4E 20 01**
1584 +
1585 +If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1
1586 +)))
1587 +
1206 1206  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1207 1207  
1590 +This feature allows users to pre-configure specific count numbers for various counting parameters such as Count1, Count2, or AVI1 Count. Use the AT command to set the desired count number for each configuration.
1208 1208  
1209 1209  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1210 1210  
1211 1211  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1212 1212  
1213 -(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1596 +(% style="color:red" %)**bb cc dd ee: **(%%)The number to be set
1214 1214  
1215 1215  
1216 1216  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
... ... @@ -1218,12 +1218,55 @@
1218 1218  (% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1219 1219  
1220 1220  
1604 +(% style="color:#037691" %)**AT Command**
1221 1221  
1222 -==== 3.4.2.18 Counting ~-~- Clear Counting ====
1606 +(% border="2" style="width:500px" %)
1607 +|(% style="width:134px" %)**Command**|(% style="width:364px" %)AT+SETCNT=<counting_parameter><number>
1608 +|(% style="width:134px" %)**Response**|(% style="width:364px" %)
1609 +|(% style="width:134px" %)**Parameters**|(% style="width:364px" %)(((
1610 +**counting_parameter** :
1223 1223  
1612 +1: COUNT1
1224 1224  
1225 -Clear counting for counting mode
1614 +2: COUNT2
1226 1226  
1616 +3: AVI1 Count
1617 +
1618 +**number** : Start number
1619 +)))
1620 +|(% style="width:134px" %)**Example**|(% style="width:364px" %)(((
1621 +AT+SETCNT=1,10
1622 +
1623 +Sets the COUNT1 to 10.
1624 +)))
1625 +
1626 +(% style="color:#037691" %)**Downlink Payload**
1627 +
1628 +(% border="2" style="width:500px" %)
1629 +|(% style="width:135px" %)**Payload**|(% style="width:363px" %)<prefix><counting_parameter><number>
1630 +|(% style="width:135px" %)**Parameters**|(% style="width:363px" %)(((
1631 +prefix : A8 (hex)
1632 +
1633 +**counting_parameter** : (1 byte in hexadecimal)
1634 +
1635 +1: COUNT1
1636 +
1637 +2: COUNT2
1638 +
1639 +3: AVI1 Count
1640 +
1641 +**number** : Start number, 4 bytes in hexadecimal
1642 +)))
1643 +|(% style="width:135px" %)**Example**|(% style="width:363px" %)(((
1644 +A8 **01 00 00 00 0A**
1645 +
1646 +Sets the COUNT1 to 10.
1647 +)))
1648 +
1649 +==== 3.4.2.18 Counting ~-~- Clear Counting ====
1650 +
1651 +This feature clears the counting in counting mode.
1652 +
1227 1227  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1228 1228  
1229 1229  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1230,14 +1230,30 @@
1230 1230  
1231 1231  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1232 1232  
1659 +(% style="color:#037691" %)**AT Command**
1233 1233  
1661 +(% border="2" style="width:500px" %)
1662 +|(% style="width:142px" %)**Command**|(% style="width:356px" %)AT+CLRCOUNT
1663 +|(% style="width:142px" %)**Response**|(% style="width:356px" %)-
1234 1234  
1235 -==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1665 +(% style="color:#037691" %)**Downlink Payload**
1236 1236  
1667 +(% border="2" style="width:500px" %)
1668 +|(% style="width:141px" %)**Payload**|(% style="width:357px" %)<prefix><clear?>
1669 +|(% style="width:141px" %)**Parameters**|(% style="width:357px" %)(((
1670 +prefix : A6 (hex)
1237 1237  
1672 +clear? : 01 (hex)
1673 +)))
1674 +|(% style="width:141px" %)**Example**|(% style="width:357px" %)A6 **01**
1675 +
1676 +==== 3.4.2.19 Counting ~-~- Change counting mode to save time ====
1677 +
1678 +This feature allows you to configure the device to save its counting result to internal flash memory at specified intervals. By setting a save time, the device will periodically store the counting data to prevent loss in case of power failure. The save interval can be adjusted to suit your requirements, with a minimum value of 30 seconds.
1679 +
1238 1238  * (% style="color:#037691" %)**AT Command:**
1239 1239  
1240 -(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1682 +(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Sets the save time to 60 seconds. The device will save the counting result in internal flash every 60 seconds. (Min value: 30 seconds)
1241 1241  
1242 1242  
1243 1243  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
... ... @@ -1245,7 +1245,7 @@
1245 1245  (% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1246 1246  
1247 1247  (((
1248 -range: aa bb cc:0 to 16777215,  (unit:second)
1690 +Range: aa bb cc:0 to 16777215,  (unit: seconds)
1249 1249  )))
1250 1250  
1251 1251  
... ... @@ -1252,12 +1252,13 @@
1252 1252  
1253 1253  ==== 3.4.2.20 Reset save RO DO state ====
1254 1254  
1697 +This feature allows you to reset the saved relay output (RO) and digital output (DO) states when the device joins the network. By configuring this setting, you can control whether the device should retain or reset the relay states after a reset and rejoin to the network.
1255 1255  
1256 1256  * (% style="color:#037691" %)**AT Command:**
1257 1257  
1258 1258  (% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1259 1259  
1260 -(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1703 +(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state will not change when the device reconnects to the network.
1261 1261  
1262 1262  
1263 1263  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
... ... @@ -1268,6 +1268,7 @@
1268 1268  
1269 1269  ==== 3.4.2.21 Encrypted payload ====
1270 1270  
1714 +This feature allows you to configure whether the device should upload data in an encrypted format or in plaintext. By default, the device encrypts the payload before uploading. You can toggle this setting to either upload encrypted data or transmit it without encryption.
1271 1271  
1272 1272  * (% style="color:#037691" %)**AT Command:**
1273 1273  
... ... @@ -1282,9 +1282,9 @@
1282 1282  
1283 1283  * (% style="color:#037691" %)**AT Command:**
1284 1284  
1285 -(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
1729 +(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port retrieves the reading of the current sensor.
1286 1286  
1287 -(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1731 +(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port retrieves the current sensor reading and uploads it.
1288 1288  
1289 1289  
1290 1290  
... ... @@ -1355,89 +1355,143 @@
1355 1355  
1356 1356  == 3.5 Integrating with ThingsEye.io ==
1357 1357  
1358 -If you are using one of The Things Stack plans, you can integrate ThingsEye.io with your application. Once integrated, ThingsEye.io works as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic.
1802 +The Things Stack application supports integration with ThingsEye.io. Once integrated, ThingsEye.io acts as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic.
1359 1359  
1360 -=== 3.5.1 Configuring The Things Stack Sandbox ===
1804 +=== 3.5.1 Configuring The Things Stack ===
1361 1361  
1362 -* Go to your Application and select MQTT under Integrations.
1363 -* In the Connection credentials section, under Username, The Thins Stack displays an auto-generated username. You can use it or provide a new one.
1364 -* For the Password, click the Generate new API key button to generate a password. You can see it by clicking on the eye button.
1806 +We use The Things Stack Sandbox in this example:
1365 1365  
1808 +* In **The Things Stack Sandbox**, go to the **Application **for the LT-22222-L you added.
1809 +* Select **MQTT** under **Integrations** in the left menu.
1810 +* In the **Connection information **section, under **Connection credentials**, The Things Stack displays an auto-generated **username**. You can use it or provide a new one.
1811 +* Click the **Generate new API key** button to generate a password. You can view it by clicking on the **visibility toggle/eye** icon. The API key works as the password.
1812 +
1813 +{{info}}
1814 +The username and  password (API key) you created here are required in the next section.
1815 +{{/info}}
1816 +
1366 1366  [[image:tts-mqtt-integration.png||height="625" width="1000"]]
1367 1367  
1368 1368  === 3.5.2 Configuring ThingsEye.io ===
1369 1369  
1370 -* Login to your thingsEye.io account.
1371 -* Under the Integrations center, click Integrations.
1372 -* Click the Add integration button (the button with the + symbol).
1821 +* Login to your [[ThingsEye.io >>https://thingseye.io]]account.
1822 +* Under the **Integrations center**, click **Integrations**.
1823 +* Click the **Add integration** button (the button with the **+** symbol).
1373 1373  
1374 1374  [[image:thingseye-io-step-1.png||height="625" width="1000"]]
1375 1375  
1376 1376  
1377 -On the Add integration page configure the following:
1828 +On the **Add integration** window, configure the following:
1378 1378  
1379 -Basic settings:
1830 +**Basic settings:**
1380 1380  
1381 -* Select The Things Stack Community from the Integration type list.
1382 -* Enter a suitable name for your integration in the Name box or keep the default name.
1383 -* Click the Next button.
1832 +* Select **The Things Stack Community** from the **Integration type** list.
1833 +* Enter a suitable name for your integration in the **Name **text** **box or keep the default name.
1834 +* Ensure the following options are turned on.
1835 +** Enable integration
1836 +** Debug mode
1837 +** Allow create devices or assets
1838 +* Click the **Next** button. you will be navigated to the **Uplink data converter** tab.
1384 1384  
1385 1385  [[image:thingseye-io-step-2.png||height="625" width="1000"]]
1386 1386  
1387 -Uplink Data converter:
1388 1388  
1389 -* Click the Create New button if it is not selected by default.
1390 -* Click the JavaScript button.
1391 -* Paste the uplink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
1392 -* Click the Next button.
1843 +**Uplink data converter:**
1393 1393  
1845 +* Click the **Create new** button if it is not selected by default.
1846 +* Enter a suitable name for the uplink data converter in the **Name **text** **box or keep the default name.
1847 +* Click the **JavaScript** button.
1848 +* Paste the uplink decoder function into the text area (first, delete the default code). The demo uplink decoder function can be found [[here>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Uplink_Converter.js]].
1849 +* Click the **Next** button. You will be navigated to the **Downlink data converter **tab.
1850 +
1394 1394  [[image:thingseye-io-step-3.png||height="625" width="1000"]]
1395 1395  
1396 -Downlink Data converter (this is an optional step):
1397 1397  
1398 -* Click the Create new button if it is not selected by default.
1399 -* Click the JavaScript button.
1400 -* Paste the downlink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
1401 -* Click the Next button.
1854 +**Downlink data converter (this is an optional step):**
1402 1402  
1856 +* Click the **Create new** button if it is not selected by default.
1857 +* Enter a suitable name for the downlink data converter in the **Name **text** **box or keep the default name.
1858 +* Click the **JavaScript** button.
1859 +* Paste the downlink decoder function into the text area (first, delete the default code). The demo downlink decoder function can be found [[here>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Downlink_Converter.js]].
1860 +* Click the **Next** button. You will be navigated to the **Connection** tab.
1861 +
1403 1403  [[image:thingseye-io-step-4.png||height="625" width="1000"]]
1404 1404  
1405 -Connection:
1406 1406  
1407 -* Choose Region from the Host type.
1408 -* Enter the cluster of your The Things Stack in the Region textbox.
1409 -* Enter the Username and Password in the Credentials section. Use the same username and password you created with the MQTT page of The Things Stack.
1410 -* Click Check connection to test the connection. If the connection is successful, you can see the message saying Connected.
1411 -* Click the Add button.
1865 +**Connection:**
1412 1412  
1867 +* Choose **Region** from the **Host type**.
1868 +* Enter the **cluster** of your **The Things Stack** in the **Region** textbox. You can find the cluster in the url (e.g., https:~/~/**eu1**.cloud.thethings.network/...).
1869 +* Enter the **Username** and **Password** of the MQTT integration in the **Credentials** section. The **username **and **password **can be found on the MQTT integration page of your The Things Stack account (see Configuring The Things Stack).
1870 +* Click the **Check connection** button to test the connection. If the connection is successful, you will see the message saying **Connected**.
1871 +
1872 +[[image:message-1.png]]
1873 +
1874 +
1875 +* Click the **Add** button.
1876 +
1413 1413  [[image:thingseye-io-step-5.png||height="625" width="1000"]]
1414 1414  
1415 1415  
1416 -Your integration is added to the integrations list and it will display on the Integrations page.
1880 +Your integration has been added to the** Integrations** list and will be displayed on the **Integrations** page. Check whether the status is shown as **Active**. If not, review your configuration settings.
1417 1417  
1418 -[[image:thingseye-io-step-6.png||height="625" width="1000"]]
1419 1419  
1883 +[[image:thingseye.io_integrationsCenter_integrations.png||height="686" width="1000"]]
1420 1420  
1421 -== 3.6 Interface Detail ==
1422 1422  
1423 -=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1886 +==== 3.5.2.1 Viewing integration details ====
1424 1424  
1888 +Click on your integration from the list. The **Integration details** window will appear with the **Details **tab selected. The **Details **tab shows all the settings you have provided for this integration.
1425 1425  
1426 -Support NPN Type sensor
1890 +[[image:integration-details.png||height="686" width="1000"]]
1427 1427  
1892 +
1893 +If you want to edit the settings you have provided, click on the **Toggle edit mode** button. Once you have done click on the **Apply changes **button.
1894 +
1895 +{{info}}
1896 +See also ThingsEye documentation.
1897 +{{/info}}
1898 +
1899 +==== **3.5.2.2 Viewing events** ====
1900 +
1901 +The **Events **tab displays all the uplink messages from the LT-22222-L.
1902 +
1903 +* Select **Debug **from the **Event type** dropdown.
1904 +* Select the** time frame** from the **time window**.
1905 +
1906 +[[image:thingseye-events.png||height="686" width="1000"]]
1907 +
1908 +
1909 +* To view the JSON payload of a message, click on the three dots (...) in the Message column of the desired message.
1910 +
1911 +[[image:thingseye-json.png||width="1000"]]
1912 +
1913 +
1914 +==== **3.5.2.3 Deleting an integration** ====
1915 +
1916 +If you want to delete an integration, click the **Delete integratio**n button on the Integrations page.
1917 +
1918 +
1919 +== 3.6 Interface Details ==
1920 +
1921 +=== 3.6.1 Digital Input Ports: DI1/DI2/DI3 (For LT-33222-L, Low Active) ===
1922 +
1923 +
1924 +Supports NPN-type sensors.
1925 +
1428 1428  [[image:1653356991268-289.png]]
1429 1429  
1430 1430  
1431 -=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1929 +=== 3.6.2 Digital Input Ports: DI1/DI2 ===
1432 1432  
1433 1433  
1434 1434  (((
1435 -The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1933 +The DI ports of the LT-22222-L can support **NPN**, **PNP**, or **dry contact** output sensors.
1436 1436  )))
1437 1437  
1438 1438  (((
1439 1439  (((
1440 -Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA). (% class="mark" %)When there is active current pass NEC2501 pin1 to pin2. The DI will be active high and DI LED status will change.
1938 +The part of the internal circuit of the LT-22222-L shown below includes the NEC2501 photocoupler. The active current from NEC2501 pin 1 to pin 2 is 1 mA, with a maximum allowable current of 50 mA. When active current flows from NEC2501 pin 1 to pin 2, the DI becomes active HIGH and the DI LED status changes.
1441 1441  
1442 1442  
1443 1443  )))
... ... @@ -1447,7 +1447,7 @@
1447 1447  
1448 1448  (((
1449 1449  (((
1450 -When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1948 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)When connecting a device to the DI port, both DI1+ and DI1- must be connected.
1451 1451  )))
1452 1452  )))
1453 1453  
... ... @@ -1456,22 +1456,22 @@
1456 1456  )))
1457 1457  
1458 1458  (((
1459 -(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1957 +(% style="color:#0000ff" %)**Example 1**(%%): Connecting to a low-active sensor.
1460 1460  )))
1461 1461  
1462 1462  (((
1463 -This type of sensor will output a low signal GND when active.
1961 +This type of sensor outputs a low (GND) signal when active.
1464 1464  )))
1465 1465  
1466 1466  * (((
1467 -Connect sensor's output to DI1-
1965 +Connect the sensor's output to DI1-
1468 1468  )))
1469 1469  * (((
1470 -Connect sensor's VCC to DI1+.
1968 +Connect the sensor's VCC to DI1+.
1471 1471  )))
1472 1472  
1473 1473  (((
1474 -So when sensor active, the current between NEC2501 pin1 and pin2 is
1972 +When the sensor is active, the current between NEC2501 pin 1 and pin 2 will be
1475 1475  )))
1476 1476  
1477 1477  (((
... ... @@ -1479,7 +1479,7 @@
1479 1479  )))
1480 1480  
1481 1481  (((
1482 -If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1980 +For example, if** DI1+ **= **12V**, the resulting current is [[image:1653968155772-850.png||height="23" width="19"]]= 12mA. Therefore, the LT-22222-L will be able to detect this active signal.
1483 1483  )))
1484 1484  
1485 1485  (((
... ... @@ -1487,22 +1487,22 @@
1487 1487  )))
1488 1488  
1489 1489  (((
1490 -(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1988 +(% style="color:#0000ff" %)**Example 2**(%%): Connecting to a high-active sensor.
1491 1491  )))
1492 1492  
1493 1493  (((
1494 -This type of sensor will output a high signal (example 24v) when active.
1992 +This type of sensor outputs a high signal (e.g., 24V) when active.
1495 1495  )))
1496 1496  
1497 1497  * (((
1498 -Connect sensor's output to DI1+
1996 +Connect the sensor's output to DI1+
1499 1499  )))
1500 1500  * (((
1501 -Connect sensor's GND DI1-.
1999 +Connect the sensor's GND DI1-.
1502 1502  )))
1503 1503  
1504 1504  (((
1505 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
2003 +When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1506 1506  )))
1507 1507  
1508 1508  (((
... ... @@ -1510,7 +1510,7 @@
1510 1510  )))
1511 1511  
1512 1512  (((
1513 -If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
2011 +If **DI1+ = 24V**, the resulting current[[image:1653968155772-850.png||height="23" width="19"]] is 24mA, Therefore, the LT-22222-L will detect this high-active signal.
1514 1514  )))
1515 1515  
1516 1516  (((
... ... @@ -1518,22 +1518,22 @@
1518 1518  )))
1519 1519  
1520 1520  (((
1521 -(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
2019 +(% style="color:#0000ff" %)**Example 3**(%%): Connecting to a 220V high-active sensor.
1522 1522  )))
1523 1523  
1524 1524  (((
1525 -Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
2023 +Assume that you want to monitor an active signal higher than 220V without damaging the photocoupler  
1526 1526  )))
1527 1527  
1528 1528  * (((
1529 -Connect sensor's output to DI1+ with a serial 50K resistor
2027 +Connect the sensor's output to DI1+ with a 50K resistor in series.
1530 1530  )))
1531 1531  * (((
1532 -Connect sensor's GND DI1-.
2030 +Connect the sensor's GND DI1-.
1533 1533  )))
1534 1534  
1535 1535  (((
1536 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
2034 +When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1537 1537  )))
1538 1538  
1539 1539  (((
... ... @@ -1541,37 +1541,37 @@
1541 1541  )))
1542 1542  
1543 1543  (((
1544 -If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
2042 +If the sensor output is 220V, the[[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" wfd-invisible="true" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K  = 4.3mA. Therefore, the LT-22222-L will be able to safely detect this high-active signal.
1545 1545  )))
1546 1546  
1547 1547  
1548 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
2046 +(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
1549 1549  
1550 -From above DI ports circuit, we can see that active the photocoupler will need to have a voltage difference between DI+ and DI- port. While the Dry Contact sensor is a passive component which can't provide this voltage difference.
2048 +From the DI port circuit above, you can see that activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference.
1551 1551  
1552 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
2050 +To detect a Dry Contact, you can supply a power source to one pin of the Dry Contact. Below is a reference circuit diagram.
1553 1553  
1554 1554  [[image:image-20230616235145-1.png]]
1555 1555  
1556 -(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
2054 +(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector
1557 1557  
1558 1558  [[image:image-20240219115718-1.png]]
1559 1559  
1560 1560  
1561 -=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
2059 +=== 3.6.3 Digital Output Ports: DO1/DO2 ===
1562 1562  
1563 1563  
1564 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
2062 +(% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
1565 1565  
1566 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
2064 +(% style="color:red" %)**Note: The DO pins will float when the device is powered off.**
1567 1567  
1568 1568  [[image:1653357531600-905.png]]
1569 1569  
1570 1570  
1571 -=== 3.6.4 Analog Input Interface ===
2069 +=== 3.6.4 Analog Input Interfaces ===
1572 1572  
1573 1573  
1574 -The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
2072 +The analog input interface is shown below. The LT-22222-L will measure the IN2 voltage to calculate the current passing through the load. The formula is:
1575 1575  
1576 1576  
1577 1577  (% style="color:blue" %)**AC2 = (IN2 voltage )/12**
... ... @@ -1578,14 +1578,14 @@
1578 1578  
1579 1579  [[image:1653357592296-182.png]]
1580 1580  
1581 -Example to connect a 4~~20mA sensor
2079 +Example: Connecting a 4~~20mA sensor
1582 1582  
1583 -We take the wind speed sensor as an example for reference only.
2081 +We will use the wind speed sensor as an example for reference only.
1584 1584  
1585 1585  
1586 1586  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1587 1587  
1588 -(% style="color:red" %)**Red:  12~~24v**
2086 +(% style="color:red" %)**Red:  12~~24V**
1589 1589  
1590 1590  (% style="color:#ffc000" %)**Yellow:  4~~20mA**
1591 1591  
... ... @@ -1598,7 +1598,7 @@
1598 1598  [[image:1653357648330-671.png||height="155" width="733"]]
1599 1599  
1600 1600  
1601 -Example connected to a regulated power supply to measure voltage
2099 +Example: Connecting to a regulated power supply to measure voltage
1602 1602  
1603 1603  [[image:image-20230608101532-1.png||height="606" width="447"]]
1604 1604  
... ... @@ -1607,7 +1607,7 @@
1607 1607  [[image:image-20230608101722-3.png||height="102" width="1139"]]
1608 1608  
1609 1609  
1610 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
2108 +(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power supply**(% style="color:blue" %)**:**
1611 1611  
1612 1612  (% style="color:red" %)**Red:  12~~24v**
1613 1613  
... ... @@ -1618,9 +1618,9 @@
1618 1618  
1619 1619  
1620 1620  (((
1621 -The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
2119 +The LT-22222-L has two relay interfaces, RO1 and RO2, each using two pins of the screw terminal (ROx-1 and ROx-2 where x is the port number, 1 or 2). You can connect a device's power line in series with one of the relay interfaces (e.g., RO1-1 and RO1-2 screw terminals). See the example below:
1622 1622  
1623 -**Note**: RO pins go to Open(NO) when device is power off.
2121 +**Note**: The ROx pins will be in the Open (NO) state when the LT-22222-L is powered off.
1624 1624  )))
1625 1625  
1626 1626  [[image:image-20220524100215-9.png]]
... ... @@ -1631,10 +1631,11 @@
1631 1631  
1632 1632  == 3.7 LEDs Indicators ==
1633 1633  
2132 +The table below lists the behavior of LED indicators for each port function.
1634 1634  
1635 1635  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1636 1636  |(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1637 -|**PWR**|Always on if there is power
2136 +|**PWR**|Always on when there is power
1638 1638  |**TX**|(((
1639 1639  (((
1640 1640  Device boot: TX blinks 5 times.
... ... @@ -1641,7 +1641,7 @@
1641 1641  )))
1642 1642  
1643 1643  (((
1644 -Successful join network: TX ON for 5 seconds.
2143 +Successful network join: TX remains ON for 5 seconds.
1645 1645  )))
1646 1646  
1647 1647  (((
... ... @@ -1648,32 +1648,34 @@
1648 1648  Transmit a LoRa packet: TX blinks once
1649 1649  )))
1650 1650  )))
1651 -|**RX**|RX blinks once when receive a packet.
1652 -|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1653 -|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
2150 +|**RX**|RX blinks once when a packet is received.
2151 +|**DO1**|For LT-22222-L: ON when DO1 is low, OFF when DO1 is high
2152 +|**DO2**|For LT-22222-L: ON when DO2 is low, OFF when DO2 is high
1654 1654  |**DI1**|(((
1655 -For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
2154 +For LT-22222-L: ON when DI1 is high, OFF when DI1 is low
1656 1656  )))
1657 1657  |**DI2**|(((
1658 -For LT-22222-L: ON when DI2 is high, LOwhen DI2 is low
2157 +For LT-22222-L: ON when DI2 is high, OFF when DI2 is low
1659 1659  )))
1660 -|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1661 -|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
2159 +|**RO1**|For LT-22222-L: ON when RO1 is closed, OFF when RO1 is open
2160 +|**RO2**|For LT-22222-L: ON when RO2 is closed, OFF when RO2 is open
1662 1662  
1663 -= 4. Use AT Command =
2162 += 4. Using AT Commands =
1664 1664  
1665 -== 4.1 Access AT Command ==
2164 +The LT-22222-L supports programming using AT Commands.
1666 1666  
2166 +== 4.1 Connecting the LT-22222-L to a PC ==
1667 1667  
1668 1668  (((
1669 -LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
2169 +You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a PC, as shown below.
2170 +
2171 +[[image:usb-ttl-programming.png]]
1670 1670  )))
1671 1671  
1672 -[[image:1653358238933-385.png]]
1673 1673  
1674 1674  
1675 1675  (((
1676 -In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
2177 +On the PC, you need to set the (% style="color:#4f81bd" %)**serial tool **(%%)(such as [[PuTTY>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]] or [[SecureCRT>>https://www.vandyke.com/cgi-bin/releases.php?product=securecrt]]) to a baud rate o(% style="color:green" %)**9600**(%%) to access the serial console of LT-22222-L. Access to AT commands is disabled by default, and a password (default: (% style="color:green" %)**123456**)(%%) must be entered to enable AT command access, as shown below:
1677 1677  )))
1678 1678  
1679 1679  [[image:1653358355238-883.png]]
... ... @@ -1680,194 +1680,63 @@
1680 1680  
1681 1681  
1682 1682  (((
1683 -More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1684 -)))
2184 +You can find more details in the [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1685 1685  
1686 -(((
1687 -AT+<CMD>?        : Help on <CMD>
2186 +== 4.2 LT-22222-L related AT commands ==
1688 1688  )))
1689 1689  
1690 1690  (((
1691 -AT+<CMD>         : Run <CMD>
1692 -)))
2190 +The following is the list of all the AT commands related to the LT-22222-L, except for those used for switching between working modes.
1693 1693  
1694 -(((
1695 -AT+<CMD>=<value> : Set the value
2192 +* **##AT##+<CMD>?** : Help on <CMD>
2193 +* **##AT##+<CMD>** : Run <CMD>
2194 +* **##AT##+<CMD>=<value>** : Set the value
2195 +* **##AT##+<CMD>=?** : Get the value
2196 +* ##**ATZ**##: Trigger a reset of the MCU
2197 +* ##**AT+FDR**##: Reset Parameters to factory default, reserve keys 
2198 +* **##AT+DEUI##**: Get or set the Device EUI (DevEUI)
2199 +* **##AT+DADDR##**: Get or set the Device Address (DevAddr)
2200 +* **##AT+APPKEY##**: Get or set the Application Key (AppKey)
2201 +* ##**AT+NWKSKEY**##: Get or set the Network Session Key (NwkSKey)
2202 +* **##AT+APPSKEY##**: Get or set the Application Session Key (AppSKey)
2203 +* **##AT+APPEUI##**: Get or set the Application EUI (AppEUI)
2204 +* **##AT+ADR##**: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
2205 +* AT+TXP: Get or set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Specification)
2206 +* AT+DR:  Get or set the Data Rate. (0-7 corresponding to DR_X)  
2207 +* AT+DCS: Get or set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
2208 +* AT+PNM: Get or set the public network mode. (0: off, 1: on)
2209 +* AT+RX2FQ: Get or set the Rx2 window frequency
2210 +* AT+RX2DR: Get or set the Rx2 window data rate (0-7 corresponding to DR_X)
2211 +* AT+RX1DL: Get or set the delay between the end of the Tx and the Rx Window 1 in ms
2212 +* AT+RX2DL: Get or set the delay between the end of the Tx and the Rx Window 2 in ms
2213 +* AT+JN1DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
2214 +* AT+JN2DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
2215 +* AT+NJM: Get or set the Network Join Mode. (0: ABP, 1: OTAA)
2216 +* AT+NWKID: Get or set the Network ID
2217 +* AT+FCU: Get or set the Frame Counter Uplink (FCntUp)
2218 +* AT+FCD: Get or set the Frame Counter Downlink (FCntDown)
2219 +* AT+CLASS: Get or set the Device Class
2220 +* AT+JOIN: Join network
2221 +* AT+NJS: Get OTAA Join Status
2222 +* AT+SENDB: Send hexadecimal data along with the application port
2223 +* AT+SEND: Send text data along with the application port
2224 +* AT+RECVB: Print last received data in binary format (with hexadecimal values)
2225 +* AT+RECV: Print last received data in raw format
2226 +* AT+VER: Get current image version and Frequency Band
2227 +* AT+CFM: Get or Set the confirmation mode (0-1)
2228 +* AT+CFS: Get confirmation status of the last AT+SEND (0-1)
2229 +* AT+SNR: Get the SNR of the last received packet
2230 +* AT+RSSI: Get the RSSI of the last received packet
2231 +* AT+TDC: Get or set the application data transmission interval in ms
2232 +* AT+PORT: Get or set the application port
2233 +* AT+DISAT: Disable AT commands
2234 +* AT+PWORD: Set password, max 9 digits
2235 +* AT+CHS: Get or set the Frequency (Unit: Hz) for Single Channel Mode
2236 +* AT+CHE: Get or set eight channels mode, Only for US915, AU915, CN470
2237 +* AT+CFG: Print all settings
1696 1696  )))
1697 1697  
1698 -(((
1699 -AT+<CMD>=?       :  Get the value
1700 -)))
1701 1701  
1702 -(((
1703 -ATZ: Trig a reset of the MCU
1704 -)))
1705 -
1706 -(((
1707 -AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1708 -)))
1709 -
1710 -(((
1711 -AT+DEUI: Get or Set the Device EUI
1712 -)))
1713 -
1714 -(((
1715 -AT+DADDR: Get or Set the Device Address
1716 -)))
1717 -
1718 -(((
1719 -AT+APPKEY: Get or Set the Application Key
1720 -)))
1721 -
1722 -(((
1723 -AT+NWKSKEY: Get or Set the Network Session Key
1724 -)))
1725 -
1726 -(((
1727 -AT+APPSKEY:  Get or Set the Application Session Key
1728 -)))
1729 -
1730 -(((
1731 -AT+APPEUI:  Get or Set the Application EUI
1732 -)))
1733 -
1734 -(((
1735 -AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1736 -)))
1737 -
1738 -(((
1739 -AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1740 -)))
1741 -
1742 -(((
1743 -AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1744 -)))
1745 -
1746 -(((
1747 -AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1748 -)))
1749 -
1750 -(((
1751 -AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1752 -)))
1753 -
1754 -(((
1755 -AT+RX2FQ: Get or Set the Rx2 window frequency
1756 -)))
1757 -
1758 -(((
1759 -AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1760 -)))
1761 -
1762 -(((
1763 -AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1764 -)))
1765 -
1766 -(((
1767 -AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1768 -)))
1769 -
1770 -(((
1771 -AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1772 -)))
1773 -
1774 -(((
1775 -AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1776 -)))
1777 -
1778 -(((
1779 -AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1780 -)))
1781 -
1782 -(((
1783 -AT+NWKID: Get or Set the Network ID
1784 -)))
1785 -
1786 -(((
1787 -AT+FCU: Get or Set the Frame Counter Uplink
1788 -)))
1789 -
1790 -(((
1791 -AT+FCD: Get or Set the Frame Counter Downlink
1792 -)))
1793 -
1794 -(((
1795 -AT+CLASS: Get or Set the Device Class
1796 -)))
1797 -
1798 -(((
1799 -AT+JOIN: Join network
1800 -)))
1801 -
1802 -(((
1803 -AT+NJS: Get OTAA Join Status
1804 -)))
1805 -
1806 -(((
1807 -AT+SENDB: Send hexadecimal data along with the application port
1808 -)))
1809 -
1810 -(((
1811 -AT+SEND: Send text data along with the application port
1812 -)))
1813 -
1814 -(((
1815 -AT+RECVB: Print last received data in binary format (with hexadecimal values)
1816 -)))
1817 -
1818 -(((
1819 -AT+RECV: Print last received data in raw format
1820 -)))
1821 -
1822 -(((
1823 -AT+VER:  Get current image version and Frequency Band
1824 -)))
1825 -
1826 -(((
1827 -AT+CFM: Get or Set the confirmation mode (0-1)
1828 -)))
1829 -
1830 -(((
1831 -AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1832 -)))
1833 -
1834 -(((
1835 -AT+SNR: Get the SNR of the last received packet
1836 -)))
1837 -
1838 -(((
1839 -AT+RSSI: Get the RSSI of the last received packet
1840 -)))
1841 -
1842 -(((
1843 -AT+TDC: Get or set the application data transmission interval in ms
1844 -)))
1845 -
1846 -(((
1847 -AT+PORT: Get or set the application port
1848 -)))
1849 -
1850 -(((
1851 -AT+DISAT: Disable AT commands
1852 -)))
1853 -
1854 -(((
1855 -AT+PWORD: Set password, max 9 digits
1856 -)))
1857 -
1858 -(((
1859 -AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1860 -)))
1861 -
1862 -(((
1863 -AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1864 -)))
1865 -
1866 -(((
1867 -AT+CFG: Print all settings
1868 -)))
1869 -
1870 -
1871 1871  == 4.2 Common AT Command Sequence ==
1872 1872  
1873 1873  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1876,41 +1876,41 @@
1876 1876  
1877 1877  
1878 1878  (((
1879 -(% style="color:blue" %)**If device has not joined network yet:**
2249 +(% style="color:blue" %)**If the device has not yet joined the network:**
1880 1880  )))
1881 1881  )))
1882 1882  
1883 1883  (((
1884 -(% style="background-color:#dcdcdc" %)**123456**
2254 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
1885 1885  )))
1886 1886  
1887 1887  (((
1888 -(% style="background-color:#dcdcdc" %)**AT+FDR**
2258 +(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/Reset parameters to factory default, Reserve keys**##
1889 1889  )))
1890 1890  
1891 1891  (((
1892 -(% style="background-color:#dcdcdc" %)**123456**
2262 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
1893 1893  )))
1894 1894  
1895 1895  (((
1896 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
2266 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/Set to ABP mode**##
1897 1897  )))
1898 1898  
1899 1899  (((
1900 -(% style="background-color:#dcdcdc" %)**ATZ**
2270 +(% style="background-color:#dcdcdc" %)##**ATZ ~/~/Reset MCU**##
1901 1901  )))
1902 1902  
1903 1903  
1904 1904  (((
1905 -(% style="color:blue" %)**If device already joined network:**
2275 +(% style="color:blue" %)**If the device has already joined the network:**
1906 1906  )))
1907 1907  
1908 1908  (((
1909 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
2279 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0**##
1910 1910  )))
1911 1911  
1912 1912  (((
1913 -(% style="background-color:#dcdcdc" %)**ATZ**
2283 +(% style="background-color:#dcdcdc" %)##**ATZ**##
1914 1914  )))
1915 1915  
1916 1916  
... ... @@ -1920,20 +1920,20 @@
1920 1920  
1921 1921  
1922 1922  (((
1923 -(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
2293 +(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter password to enable AT commands access
1924 1924  )))
1925 1925  )))
1926 1926  
1927 1927  (((
1928 -(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
2298 +(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset parameters to Factory Default, Reserve keys
1929 1929  )))
1930 1930  
1931 1931  (((
1932 -(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
2302 +(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter password to enable AT commands access
1933 1933  )))
1934 1934  
1935 1935  (((
1936 -(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
2306 +(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to CLASS C mode
1937 1937  )))
1938 1938  
1939 1939  (((
... ... @@ -1953,19 +1953,19 @@
1953 1953  )))
1954 1954  
1955 1955  (((
1956 -(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
2326 +(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4 MHz
1957 1957  )))
1958 1958  
1959 1959  (((
1960 -(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
2330 +(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2 frequency to 868.4 MHz (according to the result from the server)
1961 1961  )))
1962 1962  
1963 1963  (((
1964 -(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
2334 +(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2 DR to match the downlink DR from the server. See below.
1965 1965  )))
1966 1966  
1967 1967  (((
1968 -(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
2338 +(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address. The Device Address can be found in the application on the LoRaWAN NS.
1969 1969  )))
1970 1970  
1971 1971  (((
... ... @@ -1979,14 +1979,14 @@
1979 1979  )))
1980 1980  
1981 1981  (((
1982 -**~1. Make sure the device is set to ABP mode in the IoT Server.**
2352 +**~1. Ensure that the device is set to ABP mode in the LoRaWAN Network Server.**
1983 1983  
1984 -**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
2354 +**2. Verify that the LG01/02 gateway RX frequency matches the AT+CHS setting exactly.**
1985 1985  
1986 -**3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
2356 +**3. Make sure the SF/bandwidth settings in the LG01/LG02 match the settings of AT+DR. Refer to [[this link>>url:http://www.dragino.com/downloads/index.php?
1987 1987  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1988 1988  
1989 -**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
2359 +**4. The commands AT+RX2FQ and AT+RX2DR enable downlink functionality. To set the correct parameters, you can check the actual downlink parameters to be used as shown below. Here, RX2FQ should be set to 868400000 and RX2DR should be set to 5.**
1990 1990  )))
1991 1991  
1992 1992  (((
... ... @@ -1998,7 +1998,7 @@
1998 1998  
1999 1999  
2000 2000  (((
2001 -(% style="color:blue" %)**If sensor JOINED:**
2371 +(% style="color:blue" %)**If the sensor has JOINED:**
2002 2002  
2003 2003  (% style="background-color:#dcdcdc" %)**AT+CLASS=A**
2004 2004  
... ... @@ -2008,37 +2008,48 @@
2008 2008  
2009 2009  = 5. Case Study =
2010 2010  
2011 -== 5.1 Counting how many objects pass in Flow Line ==
2381 +== 5.1 Counting how many objects pass through the flow line ==
2012 2012  
2383 +See [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]?
2013 2013  
2014 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
2015 2015  
2016 -
2017 2017  = 6. FAQ =
2018 2018  
2019 -== 6.1 How to upgrade the image? ==
2388 +This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly.
2020 2020  
2021 2021  
2022 -The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2391 +== 6.1 How to update the firmware? ==
2023 2023  
2393 +Dragino frequently releases firmware updates for the LT-22222-L. Updating your LT-22222-L with the latest firmware version helps to:
2394 +
2024 2024  * Support new features
2025 -* For bug fix
2026 -* Change LoRaWAN bands.
2396 +* Fix bugs
2397 +* Change LoRaWAN frequency bands
2027 2027  
2028 -Below shows the hardware connection for how to upload an image to the LT:
2399 +You will need the following things before proceeding:
2029 2029  
2030 -[[image:1653359603330-121.png]]
2401 +* 3.5mm programming cable (included with the LT-22222-L as an additional accessory)
2402 +* USB to TTL adapter
2403 +* Download and install the [[STM32 Flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. (replaced by STM32CubeProgrammer)
2404 +* Download the latest firmware image from [[LT-22222-L firmware image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]]. Check the file name of the firmware to find the correct region.
2031 2031  
2406 +{{info}}
2407 +As of this writing, the latest firmware version available for the LT-22222-L is v1.6.1.
2408 +{{/info}}
2032 2032  
2033 -(((
2034 -(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
2035 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
2036 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2037 -
2410 +Below is the hardware setup for uploading a firmware image to the LT-22222-L:
2038 2038  
2412 +[[image:usb-ttl-programming.png]]
2413 +
2414 +
2415 +
2416 +Start the STM32 Flash Loader and choose the correct COM port to update.
2417 +
2039 2039  (((
2419 +(((
2040 2040  (% style="color:blue" %)**For LT-22222-L**(%%):
2041 -Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
2421 +
2422 +Hold down the **PRO** button, then briefly press the **RST** button. The **DO1** LED will change from OFF to ON. When the **DO1** LED is ON, it indicates that the device is in firmware download mode.
2042 2042  )))
2043 2043  
2044 2044  
... ... @@ -2053,7 +2053,7 @@
2053 2053  [[image:image-20220524104033-15.png]]
2054 2054  
2055 2055  
2056 -(% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
2437 +(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5 mm cable. The pin mapping is as follows:
2057 2057  
2058 2058  [[image:1653360054704-518.png||height="186" width="745"]]
2059 2059  
... ... @@ -2060,33 +2060,29 @@
2060 2060  
2061 2061  (((
2062 2062  (((
2063 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2064 -
2065 -
2444 +== 6.2 How to change the LoRaWAN frequency band/region? ==
2066 2066  )))
2067 2067  )))
2068 2068  
2069 2069  (((
2070 -User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
2449 +You can follow the introductions o[[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloading, select the required image file.
2071 2071  )))
2072 2072  
2073 2073  (((
2074 2074  
2075 2075  
2076 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2077 -
2078 -
2455 +== 6.3 How to setup LT-22222-L to work with a Single Channel Gateway, such as LG01/LG02? ==
2079 2079  )))
2080 2080  
2081 2081  (((
2082 2082  (((
2083 -In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
2460 +In this case, you need to set the LT-22222-L to work in ABP mode and transmit on only one frequency.
2084 2084  )))
2085 2085  )))
2086 2086  
2087 2087  (((
2088 2088  (((
2089 -Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2466 +We assume you have an LG01/LG02 working on the frequency 868400000. Below are the steps.
2090 2090  
2091 2091  
2092 2092  )))
... ... @@ -2093,52 +2093,55 @@
2093 2093  )))
2094 2094  
2095 2095  (((
2096 -(% style="color:blue" %)**Step1**(%%):  Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
2473 +(% style="color:#0000ff" %)**Step 1**(%%): Log in to The Things Stack Sandbox account and create an ABP device in the application. To do this, use the manual registration option as explained in section 3.2.2.2, //Adding a Device Manually//. Select //Activation by Personalization (ABP)// under Activation Mode. Enter the DevEUI exactly as shown on the registration information sticker, then generate the Device Address, Application Session Key (AppSKey), and Network Session Key (NwkSKey).
2097 2097  
2098 -
2475 +[[image:lt-22222-l-abp.png||height="686" width="1000"]]
2099 2099  )))
2100 2100  
2101 2101  (((
2102 -[[image:1653360231087-571.png||height="401" width="727"]]
2103 -
2104 2104  
2105 2105  )))
2106 2106  
2107 -(((
2108 -(% style="color:red" %)**Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.**
2109 -)))
2482 +{{warning}}
2483 +Ensure that the Device Address (DevAddr) and the two keys match between the LT-22222-L and The Things Stack. You can modify them either in The Things Stack or on the LT-22222-L to make them align. In The Things Stack, you can configure the NwkSKey and AppSKey on the settings page, but note that the Device Address is generated by The Things Stack.
2484 +{{/warning}}
2110 2110  
2111 2111  
2112 -
2113 2113  (((
2114 -(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2488 +(% style="color:blue" %)**Step 2**(%%)**:  **(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)Run AT commands to configure the LT-22222-L to operate in single-frequency and ABP mode. The AT commands are as follows:
2115 2115  
2116 2116  
2117 2117  )))
2118 2118  
2119 2119  (((
2120 -(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2494 +(% style="background-color:#dcdcdc" %)**123456** (%%) : Enter the password to enable AT access.
2121 2121  
2122 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2496 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%) : Reset parameters to factory default, keeping keys reserved.
2123 2123  
2124 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2498 +(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) : Set to ABP mode.
2125 2125  
2126 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2500 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) : Disable the Adaptive Data Rate (ADR).
2127 2127  
2128 -(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2502 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) : Set Data Rate (Use AT+DR=3 for the 915 MHz band).
2129 2129  
2130 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2504 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) : Set transmit interval to 60 seconds.
2131 2131  
2132 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2506 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4 MHz.
2133 2133  
2134 -(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2508 +(% style="background-color:#dcdcdc" %)**AT+DADDR=xxxx**(%%) : Set the Device Address (DevAddr)
2135 2135  
2136 -(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2510 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:700; text-decoration:none; white-space:pre-wrap" %)**AT+APPKEY=xxxx**(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %): Get or set the Application Key (AppKey)
2511 +
2512 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)**AT+NWKSKEY=xxxx**: Get or set the Network Session Key (NwkSKey)
2513 +
2514 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)**AT+APPSKEY=xxxx**: Get or set the Application Session Key (AppSKey)
2515 +
2516 +(% style="background-color:#dcdcdc" %)**ATZ**        (%%) : Reset MCU.
2137 2137  )))
2138 2138  
2139 2139  
2140 2140  (((
2141 -As shown in below:
2521 +(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)The following figure shows the screenshot of the command set above, issued using a serial tool:
2142 2142  )))
2143 2143  
2144 2144  [[image:1653360498588-932.png||height="485" width="726"]]
... ... @@ -2146,156 +2146,137 @@
2146 2146  
2147 2147  == 6.4 How to change the uplink interval? ==
2148 2148  
2149 -
2150 2150  Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2151 2151  
2152 2152  
2153 -== 6.5 Can I see counting event in Serial? ==
2532 +== 6.5 Can I see the counting event in the serial output? ==
2154 2154  
2155 -
2156 2156  (((
2157 -User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
2535 +You can run the AT command **AT+DEBUG** to view the counting event in the serial output. If the firmware is too old and doesnt support AT+DEBUG, update to the latest firmware first.
2158 2158  
2159 2159  
2160 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2538 +== 6.6 Can I use point-to-point communication with LT-22222-L? ==
2161 2161  
2540 +Yes, you can. Please refer to the [[Point-to-Point Communication of LT-22222-L>>https://wiki.dragino.com/xwiki/bin/view/Main/%20Point%20to%20Point%20Communication%20of%20LT-22222-L/]] page. The firmware that supports point-to-point communication can be found [[here>>https://github.com/dragino/LT-22222-L/releases]].
2162 2162  
2163 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ,this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2164 -
2165 2165  
2166 2166  )))
2167 2167  
2168 2168  (((
2169 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2546 +== 6.7 Why does the relay output default to an open relay after the LT-22222-L is powered off? ==
2170 2170  
2548 +* If the device is not properly shut down and is directly powered off.
2549 +* It will default to a power-off state.
2550 +* In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
2551 +* After a restart, the status before the power failure will be read from flash.
2171 2171  
2172 -If the device is not shut down, but directly powered off.
2553 +== 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
2173 2173  
2174 -It will default that this is a power-off state.
2555 +The LT-22222-L's built-in relay is Normally Open (NO). You can use an external relay to achieve a Normally Closed (NC) configuration. The circuit diagram is shown below:
2175 2175  
2176 -In modes 2 to 5, DO RO status and pulse count are saved in flash.
2177 2177  
2178 -After restart, the status before power failure will be read from flash.
2179 -
2180 -
2181 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2182 -
2183 -
2184 -LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2185 -
2186 -
2187 2187  [[image:image-20221006170630-1.png||height="610" width="945"]]
2188 2188  
2189 2189  
2190 -== 6.9 Can LT22222-L save RO state? ==
2561 +== 6.9 Can the LT-22222-L save the RO state? ==
2191 2191  
2563 +To enable this feature, the firmware version must be 1.6.0 or higher.
2192 2192  
2193 -Firmware version needs to be no less than 1.6.0.
2194 2194  
2566 +== 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? ==
2195 2195  
2196 -== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2568 +It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose.
2197 2197  
2198 2198  
2199 -It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2571 += 7. Troubleshooting =
2200 2200  
2573 +This section provides some known troubleshooting tips.
2201 2201  
2202 -= 7. Trouble Shooting =
2575 +
2203 2203  )))
2204 2204  
2205 2205  (((
2206 2206  (((
2207 -== 7.1 Downlink doesn't work, how to solve it? ==
2208 -
2209 -
2580 +== 7.1 Downlink isn't working. How can I solve this? ==
2210 2210  )))
2211 2211  )))
2212 2212  
2213 2213  (((
2214 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
2585 +Please refer to this link for debugging instructions: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
2215 2215  )))
2216 2216  
2217 2217  (((
2218 2218  
2219 2219  
2220 -== 7.2 Have trouble to upload image. ==
2221 -
2222 -
2591 +== 7.2 Having trouble uploading an image? ==
2223 2223  )))
2224 2224  
2225 2225  (((
2226 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
2595 +Please refer to this link for troubleshooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
2227 2227  )))
2228 2228  
2229 2229  (((
2230 2230  
2231 2231  
2232 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2233 -
2234 -
2601 +== 7.3 Why can't I join TTN in the US915 /AU915 bands? ==
2235 2235  )))
2236 2236  
2237 2237  (((
2238 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
2605 +It might be related to the channel mapping. [[Please refer to this link for details.>>https://github.com/dragino/LT-22222-L/releases]]
2239 2239  )))
2240 2240  
2241 2241  
2242 -== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2609 +== 7.4 Why can the LT-22222-L perform uplink normally, but cannot receive downlink? ==
2243 2243  
2611 +The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
2612 +Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2244 2244  
2245 -The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2246 -Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2247 2247  
2615 += 8. Ordering information =
2248 2248  
2249 -= 8. Order Info =
2250 -
2251 -
2252 2252  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2253 2253  
2254 2254  (% style="color:#4f81bd" %)**XXX:**
2255 2255  
2256 -* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2257 -* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2258 -* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2259 -* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2260 -* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2261 -* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2262 -* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2263 -* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2264 -* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2621 +* (% style="color:red" %)**EU433**(%%): LT with frequency bands EU433
2622 +* (% style="color:red" %)**EU868**(%%): LT with frequency bands EU868
2623 +* (% style="color:red" %)**KR920**(%%): LT with frequency bands KR920
2624 +* (% style="color:red" %)**CN470**(%%): LT with frequency bands CN470
2625 +* (% style="color:red" %)**AS923**(%%): LT with frequency bands AS923
2626 +* (% style="color:red" %)**AU915**(%%): LT with frequency bands AU915
2627 +* (% style="color:red" %)**US915**(%%): LT with frequency bands US915
2628 +* (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2629 +* (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2265 2265  
2266 -= 9. Packing Info =
2631 += 9. Package information =
2267 2267  
2633 +**Package includes**:
2268 2268  
2269 -**Package Includes**:
2635 +* 1 x LT-22222-L I/O Controller
2636 +* 1 x LoRa antenna matched to the frequency of the LT-22222-L
2637 +* 1 x bracket for DIN rail mounting
2638 +* 1 x 3.5 mm programming cable
2270 2270  
2271 -* LT-22222-L I/O Controller x 1
2272 -* Stick Antenna for LoRa RF part x 1
2273 -* Bracket for controller x1
2274 -* Program cable x 1
2275 -
2276 2276  **Dimension and weight**:
2277 2277  
2278 2278  * Device Size: 13.5 x 7 x 3 cm
2279 -* Device Weight: 105g
2643 +* Device Weight: 105 g
2280 2280  * Package Size / pcs : 14.5 x 8 x 5 cm
2281 -* Weight / pcs : 170g
2645 +* Weight / pcs : 170 g
2282 2282  
2283 2283  = 10. Support =
2284 2284  
2285 -
2286 2286  * (((
2287 -Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
2650 +Support is available Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different time zones, we cannot offer live support. However, your questions will be answered as soon as possible within the aforementioned schedule.
2288 2288  )))
2289 2289  * (((
2290 -Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]]
2653 +Please provide as much information as possible regarding your inquiry (e.g., product models, a detailed description of the problem, steps to replicate it, etc.) and send an email to [[support@dragino.cc>>mailto:support@dragino.cc]]
2291 2291  
2292 -
2293 2293  
2294 2294  )))
2295 2295  
2296 2296  = 11. Reference​​​​​ =
2297 2297  
2298 -
2299 2299  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2300 2300  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2301 2301  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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