<
From version < 137.2 >
edited by Dilisi S
on 2024/10/30 02:28
To version < 185.1 >
edited by Dilisi S
on 2024/11/10 05:32
>
Change comment: Nov 9 edits (saturday)

Summary

Details

Page properties
Content
... ... @@ -17,17 +17,15 @@
17 17  
18 18  
19 19  
20 -= 1.Introduction =
20 += 1. Introduction =
21 21  
22 -== 1.1 What is LT Series I/O Controller ==
22 +== 1.1 What is the LT-22222-L I/O Controller? ==
23 23  
24 24  (((
25 -
26 -
27 27  (((
28 -(% 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 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. The LT-22222-L simplifies and enhances I/O monitoring and controlling.
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.
29 29  
30 -The Dragino LT-22222-L I/O Controller 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.
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.
31 31  )))
32 32  )))
33 33  
... ... @@ -36,17 +36,13 @@
36 36  )))
37 37  
38 38  (((
39 -(% style="line-height:1.38; margin-top:16px; margin-bottom:16px" %)
40 -The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
41 -)))
37 +You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
42 42  
43 -(((
44 -(% style="line-height:1.38; margin-top:16px; margin-bottom:16px" %)
45 -(% 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" %)You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
39 +* If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Network), you can select a network and register the LT-22222-L I/O controller with it.
40 +* 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.
41 +* Setup your own private LoRaWAN network.
46 46  
47 -* (% 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" %)If there is public LoRaWAN network coverage in the area where you plan to install the device (e.g., The Things Network), you can select a network and register the LT-22222-L I/O controller with it.
48 -* (% 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" %)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.
49 -* (% 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" %)Setup your own private LoRaWAN network.
43 +> You can use a LoRaWAN gateway, such as the Dragino LG308, to expand or create LoRaWAN coverage in your area.
50 50  )))
51 51  
52 52  (((
... ... @@ -63,16 +63,16 @@
63 63  * SX1276/78 Wireless Chip 
64 64  * Power Consumption:
65 65  ** Idle: 4mA@12v
66 -** 20dB Transmit: 34mA@12v
67 -* Operating Temperature: -40 ~~ 85 Degree, No Dew
60 +** 20dB Transmit: 34mA@12V
61 +* Operating Temperature: -40 ~~ 85 Degrees, No Dew
68 68  
69 69  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
70 70  
71 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)
66 +* 2 x Digital Output (NPN output. Max pull-up voltage 36V,450mA)
73 73  * 2 x Relay Output (5A@250VAC / 30VDC)
74 74  * 2 x 0~~20mA Analog Input (res:0.01mA)
75 -* 2 x 0~~30V Analog Input (res:0.01v)
69 +* 2 x 0~~30V Analog Input (res:0.01V)
76 76  * Power Input 7~~ 24V DC. 
77 77  
78 78  (% style="color:#037691" %)**LoRa Spec:**
... ... @@ -82,7 +82,7 @@
82 82  ** Band 2 (LF): 410 ~~ 528 Mhz
83 83  * 168 dB maximum link budget.
84 84  * +20 dBm - 100 mW constant RF output vs.
85 -* +14 dBm high efficiency PA.
79 +* +14 dBm high-efficiency PA.
86 86  * Programmable bit rate up to 300 kbps.
87 87  * High sensitivity: down to -148 dBm.
88 88  * Bullet-proof front end: IIP3 = -12.5 dBm.
... ... @@ -102,7 +102,7 @@
102 102  * Optional Customized LoRa Protocol
103 103  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
104 104  * AT Commands to change parameters
105 -* Remote configure parameters via LoRa Downlink
99 +* Remotely configure parameters via LoRaWAN Downlink
106 106  * Firmware upgradable via program port
107 107  * Counting
108 108  
... ... @@ -132,86 +132,176 @@
132 132  * 1 x Counting Port
133 133  )))
134 134  
135 -= 2. Power ON Device =
129 += 2. Assembling =
136 136  
137 -The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
131 +Attach 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.
138 138  
139 -PWR will on when device is properly powered.
133 +== 2.2 Terminals ==
140 140  
141 -[[image:1653297104069-180.png]]
135 +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.
142 142  
137 +Upper screw terminal block (from left to right):
143 143  
144 -= 3. Operation Mode =
139 +(% style="width:634px" %)
140 +|=(% style="width: 295px;" %)Terminal|=(% style="width: 338px;" %)Function
141 +|(% style="width:295px" %)GND|(% style="width:338px" %)Ground
142 +|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage
143 +|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2
144 +|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1
145 +|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2
146 +|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1
145 145  
146 -== 3.1 How it works? ==
148 +Lower screw terminal block (from left to right):
147 147  
150 +(% style="width:633px" %)
151 +|=(% style="width: 296px;" %)Terminal|=(% style="width: 334px;" %)Function
152 +|(% style="width:296px" %)RO1-2|(% style="width:334px" %)Relay Output 1
153 +|(% style="width:296px" %)RO1-1|(% style="width:334px" %)Relay Output 1
154 +|(% style="width:296px" %)RO2-2|(% style="width:334px" %)Relay Output 2
155 +|(% style="width:296px" %)RO2-1|(% style="width:334px" %)Relay Output 2
156 +|(% style="width:296px" %)DI2+|(% style="width:334px" %)Digital Input 2
157 +|(% style="width:296px" %)DI2-|(% style="width:334px" %)Digital Input 2
158 +|(% style="width:296px" %)DI1+|(% style="width:334px" %)Digital Input 1
159 +|(% style="width:296px" %)DI1-|(% style="width:334px" %)Digital Input 1
160 +|(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
161 +|(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
148 148  
149 -(((
150 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. 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. 
151 -)))
163 +== 2.3 Powering the device ==
152 152  
153 -(((
154 -In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
155 -)))
165 +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.
156 156  
167 +Powering on the device
157 157  
158 -== 3.2 Example to join LoRaWAN network ==
169 +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.
159 159  
171 +{{warning}}
172 +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.
173 +{{/warning}}
160 160  
161 -(((
162 -This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
163 163  
164 -
165 -)))
176 +[[image:1653297104069-180.png]]
166 166  
167 -[[image:image-20220523172350-1.png||height="266" width="864"]]
168 168  
179 += 3. Registering with a LoRaWAN Network Server =
169 169  
170 -(((
171 -The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
181 +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.
172 172  
173 -
174 -)))
183 +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.
175 175  
176 -(((
177 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
178 -)))
185 +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.
179 179  
180 -(((
181 -Each LT is shipped with a sticker with the default device EUI as below:
182 -)))
187 +The network diagram below shows how the LT-22222-L is connected to a typical LoRaWAN network.
183 183  
189 +[[image:image-20220523172350-1.png||height="266" width="864"]]
190 +
191 +=== 3.2.1 Prerequisites ===
192 +
193 +Make sure you have the device registration information such as DevEUI, AppEUI, and AppKey with you. The registration information can be found on a sticker that can be found inside the package. Please keep the **registration information** sticker in a safe place for future reference.
194 +
184 184  [[image:image-20230425173427-2.png||height="246" width="530"]]
185 185  
197 +The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
186 186  
187 -Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
199 +=== 3.2.2 The Things Stack Sandbox (TTSS) ===
188 188  
189 -**Add APP EUI in the application.**
201 +The Things Stack Sandbox was formally called The Things Stack Community Edition.
190 190  
191 -[[image:1653297955910-247.png||height="321" width="716"]]
203 +* Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account.
204 +* Create an application with The Things Stack if you do not have one yet.
205 +* Go to your application page and click on the **End devices** in the left menu.
206 +* On the End devices page, click on **+ Register end device**. Two registration options are available:
192 192  
193 193  
194 -**Add APP KEY and DEV EUI**
209 +==== 3.2.2.1 Using the LoRaWAN Device Repository ====
195 195  
196 -[[image:1653298023685-319.png]]
211 +* On the **Register end device** page:
212 +** Select the option **Select the end device in the LoRaWAN Device Repository **under **Input method**.
213 +** Select the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)** from the respective dropdown lists.
214 +*** **End device brand**: Dragino Technology Co., Limited
215 +*** **Model**: LT22222-L I/O Controller
216 +*** **Hardware ver**: Unknown
217 +*** **Firmware ver**: 1.6.0
218 +*** **Profile (Region)**: Select the region that matches your device.
219 +** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list.
197 197  
221 +[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
198 198  
199 -(((
200 -(% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
201 201  
202 -
203 -)))
224 +* Register end device page continued...
225 +** 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'.
226 +** In the **DevEUI** field, enter the **DevEUI**.
227 +** In the **AppKey** field, enter the **AppKey.**
228 +** In the **End device ID** field, enter a unique name for your LT-22222-N within this application.
229 +** Under **After registration**, select the **View registered end device** option.
204 204  
205 -[[image:1653298044601-602.png||height="405" width="709"]]
231 +[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
206 206  
233 +==== ====
207 207  
208 -== 3.3 Uplink Payload ==
235 +==== 3.2.2.2 Adding device manually ====
209 209  
237 +* On the **Register end device** page:
238 +** Select the option **Enter end device specifies manually** under **Input method**.
239 +** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list.
240 +** Select the **LoRaWAN version** as **LoRaWAN Specification 1.0.3**
241 +** Select the **Regional Parameters version** as** RP001 Regional Parameters 1.0.3 revision A**
242 +** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the hidden section.
243 +** Select the option **Over the air activation (OTAA)** under the **Activation mode.**
244 +** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities** dropdown list.
210 210  
211 -There are five working modes + one interrupt mode on LT for different type application:
246 +[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
212 212  
213 -* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
214 214  
249 +* Register end device page continued...
250 +** 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'
251 +** In the **DevEUI** field, enter the **DevEUI**.
252 +** In the **AppKey** field, enter the **AppKey**.
253 +** In the **End device ID** field, enter a unique name for your LT-22222-N within this application.
254 +** Under **After registration**, select the **View registered end device** option.
255 +** Click the **Register end device** button.
256 +
257 +[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
258 +
259 +
260 +You will be navigated to the **Device overview** page.
261 +
262 +
263 +[[image:lt-22222-device-overview.png||height="625" width="1000"]]
264 +
265 +
266 +==== 3.2.2.3 Joining ====
267 +
268 +On the Device overview page, click on **Live data** tab. The Live data panel for your device will display.
269 +
270 +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**).
271 +
272 +
273 +[[image:lt-22222-join-network.png||height="625" width="1000"]]
274 +
275 +
276 +By default, you will receive an uplink data message from the device every 10 minutes.
277 +
278 +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.
279 +
280 +[[image:lt-22222-ul-payload-decoded.png]]
281 +
282 +
283 +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.
284 +
285 +{{info}}
286 +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.
287 +{{/info}}
288 +
289 +[[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
290 +
291 +
292 +== 3.3 Work Modes and their Uplink Payload formats ==
293 +
294 +
295 +The LT-22222-L has 5 **work modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any work mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
296 +
297 +* (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2ACI + 2AVI + DI + DO + RO
298 +
215 215  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
216 216  
217 217  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
... ... @@ -222,12 +222,15 @@
222 222  
223 223  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
224 224  
309 +The uplink messages are sent over LoRaWAN FPort 2. By default, an uplink message is sent every 10 minutes.
310 +
225 225  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
226 226  
227 -
228 228  (((
229 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
314 +This is the default mode.
230 230  
316 +The uplink payload is 11 bytes long. (% style="display:none" wfd-invisible="true" %)
317 +
231 231  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
232 232  |(% 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**
233 233  |Value|(((
... ... @@ -238,29 +238,29 @@
238 238  ACI1 Current
239 239  )))|(((
240 240  ACI2 Current
241 -)))|DIDORO*|(((
328 +)))|**DIDORO***|(((
242 242  Reserve
243 243  )))|MOD
244 244  )))
245 245  
246 246  (((
247 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
334 +(% 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.
248 248  
249 249  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
250 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
251 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
337 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
338 +|RO1|RO2|--DI3--|DI2|DI1|--DO3--|DO2|DO1
252 252  )))
253 253  
254 -* RO is for relay. ROx=1 : close, ROx=0 always open.
255 -* DI is for digital input. DIx=1: high or float, DIx=0: low.
256 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
341 +* RO is for the relay. ROx=1: CLOSED, ROx=0 always OPEN.
342 +* DI is for digital input. DIx=1: HIGH or FLOATING, DIx=0: LOW.
343 +* DO is for reverse digital output. DOx=1: LOW, DOx=0: HIGH or FLOATING.
257 257  
258 -(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
345 +(% style="color:red" %)**Note: DI3 and DO3 bits are not valid for LT-22222-L**
259 259  
260 -For example if payload is: [[image:image-20220523175847-2.png]]
347 +For example, if the payload is: [[image:image-20220523175847-2.png]]
261 261  
262 262  
263 -**The value for the interface is:  **
350 +**The interface values can be calculated as follows:  **
264 264  
265 265  AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
266 266  
... ... @@ -270,35 +270,32 @@
270 270  
271 271  ACI2 channel current is 0x1300/1000=4.864mA
272 272  
273 -The last byte 0xAA= 10101010(B) means
360 +The last byte 0xAA= **10101010**(b) means,
274 274  
275 -* [1] RO1 relay channel is close and the RO1 LED is ON.
276 -* [0] RO2 relay channel is open and RO2 LED is OFF;
362 +* [1] The RO1 relay channel is CLOSED, and the RO1 LED is ON.
363 +* [0] The RO2 relay channel is OPEN, and the RO2 LED is OFF.
364 +* **[1] DI3 - not used for LT-22222-L.**
365 +* [0] DI2 channel input is LOW, and the DI2 LED is OFF.
366 +* [1] DI1 channel input state:
367 +** DI1 is FLOATING when no sensor is connected between DI1+ and DI1-.
368 +** DI1 is HIGH when a sensor is connected between DI1- and DI1+ and the sensor is ACTIVE.
369 +** DI1 LED is ON in both cases.
370 +* **[0] DO3 - not used for LT-22222-L.**
371 +* [1] DO2 channel output is LOW, and the DO2 LED is ON.
372 +* [0] DO1 channel output state:
373 +** DO1 is FLOATING when there is no load between DO1 and V+.
374 +** DO1 is HIGH when there is a load between DO1 and V+.
375 +** DO1 LED is OFF in both cases.
277 277  
278 -**LT22222-L:**
279 -
280 -* [1] DI2 channel is high input and DI2 LED is ON;
281 -* [0] DI1 channel is low input;
282 -
283 -* [0] DO3 channel output state
284 -** DO3 is float in case no load between DO3 and V+.;
285 -** DO3 is high in case there is load between DO3 and V+.
286 -** DO3 LED is off in both case
287 -* [1] DO2 channel output is low and DO2 LED is ON.
288 -* [0] DO1 channel output state
289 -** DO1 is float in case no load between DO1 and V+.;
290 -** DO1 is high in case there is load between DO1 and V+.
291 -** DO1 LED is off in both case
292 -
293 293  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
294 294  
295 295  
296 296  (((
297 -**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
381 +**For LT-22222-L**: In this mode, **DI1 and DI2** are used as counting pins.
298 298  )))
299 299  
300 300  (((
301 -Total : 11 bytes payload
385 +The uplink payload is 11 bytes long.
302 302  
303 303  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
304 304  |(% 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**
... ... @@ -308,26 +308,26 @@
308 308  )))
309 309  
310 310  (((
311 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
395 +(% 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.
312 312  
313 313  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
314 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
315 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
398 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
399 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
316 316  
317 -RO is for relay. ROx=1 : close , ROx=0 always open.
401 +* RO is for the relay. ROx=1: CLOSED, ROx=0 always OPEN.
318 318  )))
319 319  
320 -* FIRST: Indicate this is the first packet after join network.
321 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
404 +* FIRST: Indicates that this is the first packet after joining the network.
405 +* DO is for reverse digital output. DOx=1: LOW, DOx=0: HIGH or FLOATING.
322 322  
323 323  (((
324 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
408 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L**
325 325  
326 326  
327 327  )))
328 328  
329 329  (((
330 -**To use counting mode, please run:**
414 +**To activate this mode, run the following AT commands:**
331 331  )))
332 332  
333 333  (((
... ... @@ -348,17 +348,17 @@
348 348  (((
349 349  **For LT22222-L:**
350 350  
351 -(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
435 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)** (sets the DI1 port to trigger on a LOW level. The valid signal duration is 100ms) **
352 352  
353 -(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
437 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)** (sets the DI1 port to trigger on a HIGH level. The valid signal duration is 100ms) **
354 354  
355 -(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
439 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)** (sets the DI2 port to trigger on a LOW level. The valid signal duration is 100ms) **
356 356  
357 -(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
441 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)** (sets the DI2 port to trigger on a HIGH level. The valid signal duration is 100ms) **
358 358  
359 -(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
443 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)** (sets the COUNT1 value to 60)**
360 360  
361 -(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
445 +(% style="color:blue" %)**AT+SETCNT=2,60 **(%%)**(sets the COUNT2 value to 60)**
362 362  )))
363 363  
364 364  
... ... @@ -365,7 +365,7 @@
365 365  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
366 366  
367 367  
368 -**LT22222-L**: This mode the DI1 is used as a counting pin.
452 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
369 369  
370 370  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
371 371  |(% 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**
... ... @@ -376,24 +376,24 @@
376 376  )))|DIDORO*|Reserve|MOD
377 377  
378 378  (((
379 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
463 +(% 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.
380 380  
381 381  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
382 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
383 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
466 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
467 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
384 384  )))
385 385  
386 -* RO is for relay. ROx=1 : close, ROx=0 always open.
387 -* FIRST: Indicate this is the first packet after join network.
388 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
470 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
471 +* FIRST: Indicates that this is the first packet after joining the network.
472 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
389 389  
390 390  (((
391 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
475 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
392 392  )))
393 393  
394 394  
395 395  (((
396 -**To use counting mode, please run:**
480 +**To activate this mode, run the following AT commands:**
397 397  )))
398 398  
399 399  (((
... ... @@ -406,7 +406,9 @@
406 406  )))
407 407  
408 408  (((
409 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
493 +AT Commands for counting:
494 +
495 +The AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
410 410  )))
411 411  
412 412  
... ... @@ -414,11 +414,11 @@
414 414  
415 415  
416 416  (((
417 -**LT22222-L**: This mode the DI1 is used as a counting pin.
503 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
418 418  )))
419 419  
420 420  (((
421 -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.
507 +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.
422 422  
423 423  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
424 424  |(% 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**
... ... @@ -428,25 +428,25 @@
428 428  )))
429 429  
430 430  (((
431 -(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
517 +(% 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.
432 432  
433 433  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
434 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
435 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
520 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
521 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
436 436  )))
437 437  
438 -* RO is for relay. ROx=1 : close, ROx=0 always open.
439 -* FIRST: Indicate this is the first packet after join network.
440 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
524 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
525 +* FIRST: Indicates that this is the first packet after joining the network.
526 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
441 441  
442 442  (((
443 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
529 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
444 444  
445 445  
446 446  )))
447 447  
448 448  (((
449 -**To use this mode, please run:**
535 +**To activate this mode, run the following AT commands:**
450 450  )))
451 451  
452 452  (((
... ... @@ -459,19 +459,19 @@
459 459  )))
460 460  
461 461  (((
462 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
548 +Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
463 463  )))
464 464  
465 465  (((
466 -**Plus below command for AVI1 Counting:**
552 +**In addition to that, below are the commands for AVI1 Counting:**
467 467  
468 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
554 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (Sets AVI Count to 60)**
469 469  
470 470  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
471 471  
472 472  (% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
473 473  
474 -(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
560 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
475 475  )))
476 476  
477 477  
... ... @@ -478,7 +478,7 @@
478 478  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
479 479  
480 480  
481 -**LT22222-L**: This mode the DI1 is used as a counting pin.
567 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
482 482  
483 483  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
484 484  |(% 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**
... ... @@ -493,25 +493,25 @@
493 493  )))|MOD
494 494  
495 495  (((
496 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
582 +(% 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.
497 497  
498 498  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
499 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
585 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
500 500  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
501 501  )))
502 502  
503 -* RO is for relay. ROx=1 : close, ROx=0 always open.
504 -* FIRST: Indicate this is the first packet after join network.
589 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
590 +* FIRST: Indicates that this is the first packet after joining the network.
505 505  * (((
506 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
592 +DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
507 507  )))
508 508  
509 509  (((
510 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
596 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
511 511  )))
512 512  
513 513  (((
514 -**To use this mode, please run:**
600 +**To activate this mode, run the following AT commands:**
515 515  )))
516 516  
517 517  (((
... ... @@ -524,7 +524,7 @@
524 524  )))
525 525  
526 526  (((
527 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
613 +Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
528 528  )))
529 529  
530 530  
... ... @@ -531,49 +531,46 @@
531 531  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
532 532  
533 533  
534 -(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
620 +(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate together with other modes.**
535 535  
536 -For example, if user has configured below commands:
622 +For example, if you configured the following commands:
537 537  
538 538  * **AT+MOD=1 ** **~-~->**  The normal working mode
539 -* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
625 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger mode
540 540  
541 -LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
627 +The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. LT will send uplink packets in two cases:
542 542  
543 -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
544 -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.**
629 +1. Periodically uplink (Based on TDC time). The payload is the same as in normal mode (MOD=1 for the commands above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
630 +1. Trigger uplink when the trigger condition is met. LT will send two packets in this case. The first uplink uses the payload specified in trigger mode (MOD=6). The second packet usethe normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**CONFIRMED uplinks.**
545 545  
546 546  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
547 547  
634 +(% style="color:#4f81bd" %)**Trigger based on voltage**:
548 548  
549 -(% style="color:#4f81bd" %)**Trigger base on voltage**:
550 -
551 551  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
552 552  
553 553  
554 554  **Example:**
555 555  
556 -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)
641 +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)
557 557  
558 -AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
643 +AT+AVLIM=5000,0,0,0   (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
559 559  
560 560  
646 +(% style="color:#4f81bd" %)**Trigger based on current**:
561 561  
562 -(% style="color:#4f81bd" %)**Trigger base on current**:
563 -
564 564  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
565 565  
566 566  
567 567  **Example:**
568 568  
569 -AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
653 +AT+ACLIM=10000,15000,0,0   (triggers an uplink if ACI1 voltage is lower than 10mA or higher than 15mA)
570 570  
571 571  
656 +(% style="color:#4f81bd" %)**Trigger based on DI status**:
572 572  
573 -(% style="color:#4f81bd" %)**Trigger base on DI status**:
658 +DI status triggers Flag.
574 574  
575 -DI status trigger Flag.
576 -
577 577  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
578 578  
579 579  
... ... @@ -582,39 +582,38 @@
582 582  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
583 583  
584 584  
585 -(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
668 +(% style="color:#037691" %)**LoRaWAN Downlink Commands for Setting the Trigger Conditions:**
586 586  
587 587  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
588 588  
589 589  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
590 590  
591 - AA: Code for this downlink Command:
674 + AA: Type Code for this downlink Command:
592 592  
593 - xx: 0: Limit for AV1 and AV2;  1: limit for AC1 and AC2 ; 2 DI1, DI2 trigger enable/disable
676 + xx: **0**: Limit for AV1 and AV2; **1**: limit for AC1 and AC2; **2**: DI1and DI2 trigger enable/disable.
594 594  
595 - yy1 yy1: AC1 or AV1 low limit or DI1/DI2 trigger status.
678 + yy1 yy1: AC1 or AV1 LOW limit or DI1/DI2 trigger status.
596 596  
597 - yy2 yy2: AC1 or AV1 high limit.
680 + yy2 yy2: AC1 or AV1 HIGH limit.
598 598  
599 - yy3 yy3: AC2 or AV2 low limit.
682 + yy3 yy3: AC2 or AV2 LOW limit.
600 600  
601 - Yy4 yy4: AC2 or AV2 high limit.
684 + Yy4 yy4: AC2 or AV2 HIGH limit.
602 602  
603 603  
604 -**Example1**: AA 00 13 88 00 00 00 00 00 00
687 +**Example 1**: AA 00 13 88 00 00 00 00 00 00
605 605  
606 -Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
689 +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)
607 607  
608 608  
609 -**Example2**: AA 02 01 00
692 +**Example 2**: AA 02 01 00
610 610  
611 -Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
694 +Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
612 612  
613 613  
614 -
615 615  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
616 616  
617 -MOD6 Payload : total 11 bytes payload
699 +MOD6 Payload: total of 11 bytes
618 618  
619 619  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
620 620  |(% 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**
... ... @@ -628,10 +628,10 @@
628 628  MOD(6)
629 629  )))
630 630  
631 -(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
713 +(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1 byte as below
632 632  
633 633  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
634 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
716 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
635 635  |(((
636 636  AV1_LOW
637 637  )))|(((
... ... @@ -650,17 +650,17 @@
650 650  AC2_HIGH
651 651  )))
652 652  
653 -* Each bits shows if the corresponding trigger has been configured.
735 +* Each bit shows if the corresponding trigger has been configured.
654 654  
655 655  **Example:**
656 656  
657 -10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
739 +10100000: Means the system has configure to use the trigger: AV1_LOW and AV2_LOW
658 658  
659 659  
660 -(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
742 +(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1 byte as below
661 661  
662 662  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
663 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
745 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
664 664  |(((
665 665  AV1_LOW
666 666  )))|(((
... ... @@ -679,11 +679,11 @@
679 679  AC2_HIGH
680 680  )))
681 681  
682 -* Each bits shows which status has been trigger on this uplink.
764 +* Each bit shows which status has been triggered on this uplink.
683 683  
684 684  **Example:**
685 685  
686 -10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
768 +10000000: Means this uplink is triggered by AV1_LOW. That means the voltage is too low.
687 687  
688 688  
689 689  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
... ... @@ -692,7 +692,7 @@
692 692  |**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
693 693  |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
694 694  
695 -* Each bits shows which status has been trigger on this uplink.
777 +* Each bits shows which status has been triggered on this uplink.
696 696  
697 697  **Example:**
698 698  
... ... @@ -719,11 +719,11 @@
719 719  )))
720 720  
721 721  
722 -== 3.4 ​Configure LT via AT or Downlink ==
804 +== 3.4 ​Configure LT via AT Commands or Downlinks ==
723 723  
724 724  
725 725  (((
726 -User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
808 +User can configure LT I/O Controller via AT Commands or LoRaWAN Downlinks.
727 727  )))
728 728  
729 729  (((
... ... @@ -738,9 +738,8 @@
738 738  
739 739  === 3.4.1 Common Commands ===
740 740  
741 -
742 742  (((
743 -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]]
824 +These commands should be available for all Dragino sensors, 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]].
744 744  )))
745 745  
746 746  
... ... @@ -748,34 +748,37 @@
748 748  
749 749  ==== 3.4.2.1 Set Transmit Interval ====
750 750  
832 +Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes.
751 751  
752 -Set device uplink interval.
834 +* (% style="color:#037691" %)**AT command:**
753 753  
754 -* (% style="color:#037691" %)**AT Command:**
836 +(% style="color:blue" %)**AT+TDC=N**
755 755  
756 -(% style="color:blue" %)**AT+TDC=N **
838 +where N is the time in milliseconds.
757 757  
840 +**Example: **AT+TDC=30000. This will set the uplink interval to 30 seconds
758 758  
759 -**Example: **AT+TDC=30000. Means set interval to 30 seconds
760 760  
843 +* (% style="color:#037691" %)**Downlink payload (prefix 0x01):**
761 761  
762 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
763 -
764 764  (% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
765 765  
766 766  
767 767  
768 -==== 3.4.2.2 Set Work Mode (AT+MOD) ====
849 +==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
769 769  
770 770  
771 -Set work mode.
852 +Sets the work mode.
772 772  
773 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
854 +* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
774 774  
775 -**Example**: AT+MOD=2. Set work mode to Double DI counting mode
856 +Where N is the work mode.
776 776  
777 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
858 +**Example**: AT+MOD=2. This will set the work mode to Double DI counting mode.
778 778  
860 +
861 +* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):**
862 +
779 779  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
780 780  
781 781  
... ... @@ -783,10 +783,12 @@
783 783  ==== 3.4.2.3 Poll an uplink ====
784 784  
785 785  
786 -* (% style="color:#037691" %)**AT Command:**(%%) There is no AT Command to poll uplink
870 +Asks the device to send an uplink.
787 787  
788 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
872 +* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
789 789  
874 +* (% style="color:#037691" %)**Downlink payload (prefix 0x08):**
875 +
790 790  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
791 791  
792 792  **Example**: 0x08FF, ask device to send an Uplink
... ... @@ -793,16 +793,16 @@
793 793  
794 794  
795 795  
796 -==== 3.4.2.4 Enable Trigger Mode ====
882 +==== 3.4.2.4 Enable/Disable Trigger Mode ====
797 797  
798 798  
799 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
885 +Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
800 800  
801 801  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
802 802  
803 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
889 +(% style="color:red" %)**1:** (%%)Enable the trigger mode
804 804  
805 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
891 +(% style="color:red" %)**0: **(%%)Disable the trigger mode
806 806  
807 807  
808 808  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
... ... @@ -814,7 +814,7 @@
814 814  ==== 3.4.2.5 Poll trigger settings ====
815 815  
816 816  
817 -Poll trigger settings
903 +Polls the trigger settings
818 818  
819 819  * (% style="color:#037691" %)**AT Command:**
820 820  
... ... @@ -822,7 +822,7 @@
822 822  
823 823  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
824 824  
825 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
911 +(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll the trigger settings. Device will uplink trigger settings once receive this command
826 826  
827 827  
828 828  
... ... @@ -829,11 +829,11 @@
829 829  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
830 830  
831 831  
832 -Enable Disable DI1/DI2/DI2 as trigger,
918 +Enable or Disable DI1/DI2/DI2 as trigger,
833 833  
834 834  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
835 835  
836 -**Example:** AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
922 +**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
837 837  
838 838  
839 839  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
... ... @@ -865,15 +865,15 @@
865 865  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
866 866  
867 867  
868 -Set DI2 trigger.
954 +Sets DI2 trigger.
869 869  
870 870  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
871 871  
872 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
958 +(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
873 873  
874 874  (% style="color:red" %)**b :** (%%)delay timing.
875 875  
876 -**Example:** AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
962 +**Example:** AT+TRIG2=0,100 (set DI1 port to trigger on low level, valid signal is 100ms )
877 877  
878 878  
879 879  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
... ... @@ -911,7 +911,7 @@
911 911  ==== 3.4.2.11 Trigger – Set minimum interval ====
912 912  
913 913  
914 -Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1000 +Sets AV and AC trigger minimum interval. Device won't response to the second trigger within this set time after the first trigger.
915 915  
916 916  * (% 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.
917 917  
... ... @@ -1059,7 +1059,7 @@
1059 1059  )))
1060 1060  
1061 1061  (((
1062 -00: Close ,  01: Open , 11: No action
1148 +00: Closed ,  01: Open , 11: No action
1063 1063  
1064 1064  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1065 1065  |(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
... ... @@ -1181,7 +1181,7 @@
1181 1181  
1182 1182  
1183 1183  
1184 -==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1270 +==== 3.4.2.19 Counting ~-~- Change counting mode to save time ====
1185 1185  
1186 1186  
1187 1187  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1302,74 +1302,145 @@
1302 1302  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1303 1303  
1304 1304  
1305 -== 3.5 Integrate with Mydevice ==
1391 +== 3.5 Integrating with ThingsEye.io ==
1306 1306  
1393 +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.
1307 1307  
1308 -Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1395 +=== 3.5.1 Configuring The Things Stack ===
1309 1309  
1310 -(((
1311 -(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1312 -)))
1397 +We use The Things Stack Sandbox in this example:
1313 1313  
1314 -(((
1315 -(% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1399 +* In **The Things Stack Sandbox**, go to the **Application **for the LT-22222-L you added.
1400 +* Select **MQTT** under **Integrations** in the left menu.
1401 +* 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.
1402 +* 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.
1316 1316  
1317 -
1318 -)))
1404 +{{info}}
1405 +The username and  password (API key) you created here are required in the next section.
1406 +{{/info}}
1319 1319  
1320 -[[image:image-20220719105525-1.png||height="377" width="677"]]
1408 +[[image:tts-mqtt-integration.png||height="625" width="1000"]]
1321 1321  
1410 +=== 3.5.2 Configuring ThingsEye.io ===
1322 1322  
1412 +* Login to your [[ThingsEye.io >>https://thingseye.io]]account.
1413 +* Under the **Integrations center**, click **Integrations**.
1414 +* Click the **Add integration** button (the button with the **+** symbol).
1323 1323  
1324 -[[image:image-20220719110247-2.png||height="388" width="683"]]
1416 +[[image:thingseye-io-step-1.png||height="625" width="1000"]]
1325 1325  
1326 1326  
1327 -(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1419 +On the **Add integration** window, configure the following:
1328 1328  
1329 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1421 +**Basic settings:**
1330 1330  
1331 -Search under The things network
1423 +* Select **The Things Stack Community** from the **Integration type** list.
1424 +* Enter a suitable name for your integration in the **Name **text** **box or keep the default name.
1425 +* Ensure the following options are turned on.
1426 +** Enable integration
1427 +** Debug mode
1428 +** Allow create devices or assets
1429 +* Click the **Next** button. you will be navigated to the **Uplink data converter** tab.
1332 1332  
1333 -[[image:1653356838789-523.png||height="337" width="740"]]
1431 +[[image:thingseye-io-step-2.png||height="625" width="1000"]]
1334 1334  
1335 1335  
1336 -After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1434 +**Uplink data converter:**
1337 1337  
1338 -[[image:image-20220524094909-1.png||height="335" width="729"]]
1436 +* Click the **Create new** button if it is not selected by default.
1437 +* Enter a suitable name for the uplink data converter in the **Name **text** **box or keep the default name.
1438 +* Click the **JavaScript** button.
1439 +* 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]].
1440 +* Click the **Next** button. You will be navigated to the **Downlink data converter **tab.
1339 1339  
1442 +[[image:thingseye-io-step-3.png||height="625" width="1000"]]
1340 1340  
1341 -[[image:image-20220524094909-2.png||height="337" width="729"]]
1342 1342  
1445 +**Downlink data converter (this is an optional step):**
1343 1343  
1344 -[[image:image-20220524094909-3.png||height="338" width="727"]]
1447 +* Click the **Create new** button if it is not selected by default.
1448 +* Enter a suitable name for the downlink data converter in the **Name **text** **box or keep the default name
1449 +* Click the **JavaScript** button.
1450 +* 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]].
1451 +* Click the **Next** button. You will be navigated to the **Connection** tab.
1345 1345  
1453 +[[image:thingseye-io-step-4.png||height="625" width="1000"]]
1346 1346  
1347 -[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1348 1348  
1456 +**Connection:**
1349 1349  
1350 -[[image:image-20220524094909-5.png||height="341" width="734"]]
1458 +* Choose **Region** from the **Host type**.
1459 +* 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/...).
1460 +* 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 MQTT Connection information with The Things Stack Sandbox).
1461 +* Click the **Check connection** button to test the connection. If the connection is successful, you will see the message saying **Connected**.
1351 1351  
1463 +[[image:message-1.png]]
1352 1352  
1353 -== 3.6 Interface Detail ==
1354 1354  
1466 +* Click the **Add** button.
1467 +
1468 +[[image:thingseye-io-step-5.png||height="625" width="1000"]]
1469 +
1470 +
1471 +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.
1472 +
1473 +
1474 +[[image:thingseye.io_integrationsCenter_integrations.png||height="686" width="1000"]]
1475 +
1476 +
1477 +**Viewing integration details**:
1478 +
1479 +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.
1480 +
1481 +[[image:integration-details.png||height="686" width="1000"]]
1482 +
1483 +
1484 +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.
1485 +
1486 +{{info}}
1487 +See also ThingsEye documentation.
1488 +{{/info}}
1489 +
1490 +**Viewing events:**
1491 +
1492 +The **Events **tab displays all the uplink messages from the LT-22222-L.
1493 +
1494 +* Select **Debug **from the **Event type** dropdown.
1495 +* Select the** time frame** from the **time window**.
1496 +
1497 +[[image:thingseye-events.png||height="686" width="1000"]]
1498 +
1499 +
1500 +* To view the JSON payload of a message, click on the three dots (...) in the Message column of the desired message.
1501 +
1502 +[[image:thingseye-json.png||width="1000"]]
1503 +
1504 +
1505 +**Deleting the integration**:
1506 +
1507 +If you want to delete this integration, click the **Delete integratio**n button.
1508 +
1509 +
1510 +== 3.6 Interface Details ==
1511 +
1355 1355  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1356 1356  
1357 1357  
1358 -Support NPN Type sensor
1515 +Support NPN-type sensor
1359 1359  
1360 1360  [[image:1653356991268-289.png]]
1361 1361  
1362 1362  
1363 -=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1520 +=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) ===
1364 1364  
1365 1365  
1366 1366  (((
1367 -The DI port of LT-22222-L can support **NPN** or **PNP** or **Dry Contact** output sensor.
1524 +The DI ports of the LT-22222-L can support **NPN**, **PNP**, or **dry contact** output sensors.
1368 1368  )))
1369 1369  
1370 1370  (((
1371 1371  (((
1372 -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.
1529 +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.
1373 1373  
1374 1374  
1375 1375  )))
... ... @@ -1379,7 +1379,7 @@
1379 1379  
1380 1380  (((
1381 1381  (((
1382 -When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1539 +(% 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.
1383 1383  )))
1384 1384  )))
1385 1385  
... ... @@ -1388,22 +1388,22 @@
1388 1388  )))
1389 1389  
1390 1390  (((
1391 -(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1548 +(% style="color:#0000ff" %)**Example 1**(%%): Connecting to a low-active sensor.
1392 1392  )))
1393 1393  
1394 1394  (((
1395 -This type of sensor will output a low signal GND when active.
1552 +This type of sensor outputs a low (GND) signal when active.
1396 1396  )))
1397 1397  
1398 1398  * (((
1399 -Connect sensor's output to DI1-
1556 +Connect the sensor's output to DI1-
1400 1400  )))
1401 1401  * (((
1402 -Connect sensor's VCC to DI1+.
1559 +Connect the sensor's VCC to DI1+.
1403 1403  )))
1404 1404  
1405 1405  (((
1406 -So when sensor active, the current between NEC2501 pin1 and pin2 is
1563 +When the sensor is active, the current between NEC2501 pin 1 and pin 2 will be
1407 1407  )))
1408 1408  
1409 1409  (((
... ... @@ -1411,7 +1411,7 @@
1411 1411  )))
1412 1412  
1413 1413  (((
1414 -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.
1571 +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.
1415 1415  )))
1416 1416  
1417 1417  (((
... ... @@ -1419,22 +1419,22 @@
1419 1419  )))
1420 1420  
1421 1421  (((
1422 -(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1579 +(% style="color:#0000ff" %)**Example 2**(%%): Connecting to a high-active sensor.
1423 1423  )))
1424 1424  
1425 1425  (((
1426 -This type of sensor will output a high signal (example 24v) when active.
1583 +This type of sensor outputs a high signal (e.g., 24V) when active.
1427 1427  )))
1428 1428  
1429 1429  * (((
1430 -Connect sensor's output to DI1+
1587 +Connect the sensor's output to DI1+
1431 1431  )))
1432 1432  * (((
1433 -Connect sensor's GND DI1-.
1590 +Connect the sensor's GND DI1-.
1434 1434  )))
1435 1435  
1436 1436  (((
1437 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1594 +When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1438 1438  )))
1439 1439  
1440 1440  (((
... ... @@ -1442,7 +1442,7 @@
1442 1442  )))
1443 1443  
1444 1444  (((
1445 -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.
1602 +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.
1446 1446  )))
1447 1447  
1448 1448  (((
... ... @@ -1450,22 +1450,22 @@
1450 1450  )))
1451 1451  
1452 1452  (((
1453 -(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1610 +(% style="color:#0000ff" %)**Example 3**(%%): Connecting to a 220V high-active sensor.
1454 1454  )))
1455 1455  
1456 1456  (((
1457 -Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1614 +Assume that you want to monitor an active signal higher than 220V without damaging the photocoupler  
1458 1458  )))
1459 1459  
1460 1460  * (((
1461 -Connect sensor's output to DI1+ with a serial 50K resistor
1618 +Connect the sensor's output to DI1+ with a 50K resistor in series.
1462 1462  )))
1463 1463  * (((
1464 -Connect sensor's GND DI1-.
1621 +Connect the sensor's GND DI1-.
1465 1465  )))
1466 1466  
1467 1467  (((
1468 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1625 +When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1469 1469  )))
1470 1470  
1471 1471  (((
... ... @@ -1473,37 +1473,37 @@
1473 1473  )))
1474 1474  
1475 1475  (((
1476 -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.
1633 +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.
1477 1477  )))
1478 1478  
1479 1479  
1480 -(% style="color:blue" %)**Example4**(%%): Connect to Dry Contact sensor
1637 +(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
1481 1481  
1482 -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.
1639 +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.
1483 1483  
1484 -To detect a Dry Contact, we can provide a power source to one pin of the Dry Contact. Below is a reference connection.
1641 +To detect a Dry Contact, you can supply a power source to one pin of the Dry Contact. Below is a reference circuit diagram.
1485 1485  
1486 1486  [[image:image-20230616235145-1.png]]
1487 1487  
1488 -(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1645 +(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector
1489 1489  
1490 1490  [[image:image-20240219115718-1.png]]
1491 1491  
1492 1492  
1493 -=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1650 +=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
1494 1494  
1495 1495  
1496 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1653 +(% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
1497 1497  
1498 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1655 +(% style="color:red" %)**Note: The DO pins will float when the device is powered off.**
1499 1499  
1500 1500  [[image:1653357531600-905.png]]
1501 1501  
1502 1502  
1503 -=== 3.6.4 Analog Input Interface ===
1660 +=== 3.6.4 Analog Input Interfaces ===
1504 1504  
1505 1505  
1506 -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:
1663 +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:
1507 1507  
1508 1508  
1509 1509  (% style="color:blue" %)**AC2 = (IN2 voltage )/12**
... ... @@ -1510,14 +1510,14 @@
1510 1510  
1511 1511  [[image:1653357592296-182.png]]
1512 1512  
1513 -Example to connect a 4~~20mA sensor
1670 +Example: Connecting a 4~~20mA sensor
1514 1514  
1515 -We take the wind speed sensor as an example for reference only.
1672 +We will use the wind speed sensor as an example for reference only.
1516 1516  
1517 1517  
1518 1518  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1519 1519  
1520 -(% style="color:red" %)**Red:  12~~24v**
1677 +(% style="color:red" %)**Red:  12~~24V**
1521 1521  
1522 1522  (% style="color:#ffc000" %)**Yellow:  4~~20mA**
1523 1523  
... ... @@ -1530,7 +1530,7 @@
1530 1530  [[image:1653357648330-671.png||height="155" width="733"]]
1531 1531  
1532 1532  
1533 -Example connected to a regulated power supply to measure voltage
1690 +Example: Connecting to a regulated power supply to measure voltage
1534 1534  
1535 1535  [[image:image-20230608101532-1.png||height="606" width="447"]]
1536 1536  
... ... @@ -1539,7 +1539,7 @@
1539 1539  [[image:image-20230608101722-3.png||height="102" width="1139"]]
1540 1540  
1541 1541  
1542 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1699 +(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power supply**(% style="color:blue" %)**:**
1543 1543  
1544 1544  (% style="color:red" %)**Red:  12~~24v**
1545 1545  
... ... @@ -1550,9 +1550,9 @@
1550 1550  
1551 1551  
1552 1552  (((
1553 -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:
1710 +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:
1554 1554  
1555 -**Note**: RO pins go to Open(NO) when device is power off.
1712 +**Note**: The ROx pins will be in the Open (NO) state when the LT-22222-L is powered off.
1556 1556  )))
1557 1557  
1558 1558  [[image:image-20220524100215-9.png]]
... ... @@ -1580,25 +1580,26 @@
1580 1580  Transmit a LoRa packet: TX blinks once
1581 1581  )))
1582 1582  )))
1583 -|**RX**|RX blinks once when receive a packet.
1584 -|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1585 -|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
1740 +|**RX**|RX blinks once when receiving a packet.
1741 +|**DO1**|For LT-22222-L: ON when DO1 is low, OFF when DO1 is high
1742 +|**DO2**|For LT-22222-L: ON when DO2 is low, OFF when DO2 is high
1586 1586  |**DI1**|(((
1587 -For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
1744 +For LT-22222-L: ON when DI1 is high, OFF when DI1 is low
1588 1588  )))
1589 1589  |**DI2**|(((
1590 -For LT-22222-L: ON when DI2 is high, LOwhen DI2 is low
1747 +For LT-22222-L: ON when DI2 is high, OFF when DI2 is low
1591 1591  )))
1592 -|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1593 -|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
1749 +|**RO1**|For LT-22222-L: ON when RO1 is closed, OFF when RO1 is open
1750 +|**RO2**|For LT-22222-L: ON when RO2 is closed, OFF when RO2 is open
1594 1594  
1595 -= 4. Use AT Command =
1752 += 4. Using AT Commands =
1596 1596  
1597 -== 4.1 Access AT Command ==
1754 +The LT-22222-L supports programming using AT Commands.
1598 1598  
1756 +== 4.1 Connecting the LT-22222-L to a PC ==
1599 1599  
1600 1600  (((
1601 -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.
1759 +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.
1602 1602  )))
1603 1603  
1604 1604  [[image:1653358238933-385.png]]
... ... @@ -1605,7 +1605,7 @@
1605 1605  
1606 1606  
1607 1607  (((
1608 -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:
1766 +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:
1609 1609  )))
1610 1610  
1611 1611  [[image:1653358355238-883.png]]
... ... @@ -1612,194 +1612,63 @@
1612 1612  
1613 1613  
1614 1614  (((
1615 -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/]]
1616 -)))
1773 +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/]]
1617 1617  
1618 -(((
1619 -AT+<CMD>?        : Help on <CMD>
1775 +== 4.2 LT-22222-L related AT commands ==
1620 1620  )))
1621 1621  
1622 1622  (((
1623 -AT+<CMD>         : Run <CMD>
1624 -)))
1779 +The following is the list of all the AT commands related to the LT-22222-L, except for those used for switching between work modes.
1625 1625  
1626 -(((
1627 -AT+<CMD>=<value> : Set the value
1781 +* AT+<CMD>? : Help on <CMD>
1782 +* AT+<CMD> : Run <CMD>
1783 +* AT+<CMD>=<value> : Set the value
1784 +* AT+<CMD>=? : Get the value
1785 +* ATZ: Trigger a reset of the MCU
1786 +* ##**AT+FDR**##: Reset Parameters to factory default, reserve keys 
1787 +* **##AT+DEUI##**: Get or set the Device EUI (DevEUI)
1788 +* **##AT+DADDR##**: Get or set the Device Address (DevAddr)
1789 +* **##AT+APPKEY##**: Get or set the Application Key (AppKey)
1790 +* AT+NWKSKEY: Get or set the Network Session Key (NwkSKey)
1791 +* AT+APPSKEY: Get or set the Application Session Key (AppSKey)
1792 +* AT+APPEUI: Get or set the Application EUI (AppEUI)
1793 +* AT+ADR: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
1794 +* AT+TXP: Get or set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Specification)
1795 +* AT+DR:  Get or set the Data Rate. (0-7 corresponding to DR_X)  
1796 +* AT+DCS: Get or set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1797 +* AT+PNM: Get or set the public network mode. (0: off, 1: on)
1798 +* AT+RX2FQ: Get or set the Rx2 window frequency
1799 +* AT+RX2DR: Get or set the Rx2 window data rate (0-7 corresponding to DR_X)
1800 +* AT+RX1DL: Get or set the delay between the end of the Tx and the Rx Window 1 in ms
1801 +* AT+RX2DL: Get or set the delay between the end of the Tx and the Rx Window 2 in ms
1802 +* AT+JN1DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1803 +* AT+JN2DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1804 +* AT+NJM: Get or set the Network Join Mode. (0: ABP, 1: OTAA)
1805 +* AT+NWKID: Get or set the Network ID
1806 +* AT+FCU: Get or set the Frame Counter Uplink (FCntUp)
1807 +* AT+FCD: Get or set the Frame Counter Downlink (FCntDown)
1808 +* AT+CLASS: Get or set the Device Class
1809 +* AT+JOIN: Join network
1810 +* AT+NJS: Get OTAA Join Status
1811 +* AT+SENDB: Send hexadecimal data along with the application port
1812 +* AT+SEND: Send text data along with the application port
1813 +* AT+RECVB: Print last received data in binary format (with hexadecimal values)
1814 +* AT+RECV: Print last received data in raw format
1815 +* AT+VER: Get current image version and Frequency Band
1816 +* AT+CFM: Get or Set the confirmation mode (0-1)
1817 +* AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1818 +* AT+SNR: Get the SNR of the last received packet
1819 +* AT+RSSI: Get the RSSI of the last received packet
1820 +* AT+TDC: Get or set the application data transmission interval in ms
1821 +* AT+PORT: Get or set the application port
1822 +* AT+DISAT: Disable AT commands
1823 +* AT+PWORD: Set password, max 9 digits
1824 +* AT+CHS: Get or set the Frequency (Unit: Hz) for Single Channel Mode
1825 +* AT+CHE: Get or set eight channels mode, Only for US915, AU915, CN470
1826 +* AT+CFG: Print all settings
1628 1628  )))
1629 1629  
1630 -(((
1631 -AT+<CMD>=?       :  Get the value
1632 -)))
1633 1633  
1634 -(((
1635 -ATZ: Trig a reset of the MCU
1636 -)))
1637 -
1638 -(((
1639 -AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1640 -)))
1641 -
1642 -(((
1643 -AT+DEUI: Get or Set the Device EUI
1644 -)))
1645 -
1646 -(((
1647 -AT+DADDR: Get or Set the Device Address
1648 -)))
1649 -
1650 -(((
1651 -AT+APPKEY: Get or Set the Application Key
1652 -)))
1653 -
1654 -(((
1655 -AT+NWKSKEY: Get or Set the Network Session Key
1656 -)))
1657 -
1658 -(((
1659 -AT+APPSKEY:  Get or Set the Application Session Key
1660 -)))
1661 -
1662 -(((
1663 -AT+APPEUI:  Get or Set the Application EUI
1664 -)))
1665 -
1666 -(((
1667 -AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1668 -)))
1669 -
1670 -(((
1671 -AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1672 -)))
1673 -
1674 -(((
1675 -AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1676 -)))
1677 -
1678 -(((
1679 -AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1680 -)))
1681 -
1682 -(((
1683 -AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1684 -)))
1685 -
1686 -(((
1687 -AT+RX2FQ: Get or Set the Rx2 window frequency
1688 -)))
1689 -
1690 -(((
1691 -AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1692 -)))
1693 -
1694 -(((
1695 -AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1696 -)))
1697 -
1698 -(((
1699 -AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1700 -)))
1701 -
1702 -(((
1703 -AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1704 -)))
1705 -
1706 -(((
1707 -AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1708 -)))
1709 -
1710 -(((
1711 -AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1712 -)))
1713 -
1714 -(((
1715 -AT+NWKID: Get or Set the Network ID
1716 -)))
1717 -
1718 -(((
1719 -AT+FCU: Get or Set the Frame Counter Uplink
1720 -)))
1721 -
1722 -(((
1723 -AT+FCD: Get or Set the Frame Counter Downlink
1724 -)))
1725 -
1726 -(((
1727 -AT+CLASS: Get or Set the Device Class
1728 -)))
1729 -
1730 -(((
1731 -AT+JOIN: Join network
1732 -)))
1733 -
1734 -(((
1735 -AT+NJS: Get OTAA Join Status
1736 -)))
1737 -
1738 -(((
1739 -AT+SENDB: Send hexadecimal data along with the application port
1740 -)))
1741 -
1742 -(((
1743 -AT+SEND: Send text data along with the application port
1744 -)))
1745 -
1746 -(((
1747 -AT+RECVB: Print last received data in binary format (with hexadecimal values)
1748 -)))
1749 -
1750 -(((
1751 -AT+RECV: Print last received data in raw format
1752 -)))
1753 -
1754 -(((
1755 -AT+VER:  Get current image version and Frequency Band
1756 -)))
1757 -
1758 -(((
1759 -AT+CFM: Get or Set the confirmation mode (0-1)
1760 -)))
1761 -
1762 -(((
1763 -AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1764 -)))
1765 -
1766 -(((
1767 -AT+SNR: Get the SNR of the last received packet
1768 -)))
1769 -
1770 -(((
1771 -AT+RSSI: Get the RSSI of the last received packet
1772 -)))
1773 -
1774 -(((
1775 -AT+TDC: Get or set the application data transmission interval in ms
1776 -)))
1777 -
1778 -(((
1779 -AT+PORT: Get or set the application port
1780 -)))
1781 -
1782 -(((
1783 -AT+DISAT: Disable AT commands
1784 -)))
1785 -
1786 -(((
1787 -AT+PWORD: Set password, max 9 digits
1788 -)))
1789 -
1790 -(((
1791 -AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1792 -)))
1793 -
1794 -(((
1795 -AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1796 -)))
1797 -
1798 -(((
1799 -AT+CFG: Print all settings
1800 -)))
1801 -
1802 -
1803 1803  == 4.2 Common AT Command Sequence ==
1804 1804  
1805 1805  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1808,41 +1808,41 @@
1808 1808  
1809 1809  
1810 1810  (((
1811 -(% style="color:blue" %)**If device has not joined network yet:**
1838 +(% style="color:blue" %)**If the device has not joined the network yet:**
1812 1812  )))
1813 1813  )))
1814 1814  
1815 1815  (((
1816 -(% style="background-color:#dcdcdc" %)**123456**
1843 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
1817 1817  )))
1818 1818  
1819 1819  (((
1820 -(% style="background-color:#dcdcdc" %)**AT+FDR**
1847 +(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/reset parameters to factory default, reserve keys**##
1821 1821  )))
1822 1822  
1823 1823  (((
1824 -(% style="background-color:#dcdcdc" %)**123456**
1851 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
1825 1825  )))
1826 1826  
1827 1827  (((
1828 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1855 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/set to ABP mode**##
1829 1829  )))
1830 1830  
1831 1831  (((
1832 -(% style="background-color:#dcdcdc" %)**ATZ**
1859 +(% style="background-color:#dcdcdc" %)##**ATZ ~/~/reset MCU**##
1833 1833  )))
1834 1834  
1835 1835  
1836 1836  (((
1837 -(% style="color:blue" %)**If device already joined network:**
1864 +(% style="color:blue" %)**If the device has already joined the network:**
1838 1838  )))
1839 1839  
1840 1840  (((
1841 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1868 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0**##
1842 1842  )))
1843 1843  
1844 1844  (((
1845 -(% style="background-color:#dcdcdc" %)**ATZ**
1872 +(% style="background-color:#dcdcdc" %)##**ATZ**##
1846 1846  )))
1847 1847  
1848 1848  
... ... @@ -1940,37 +1940,50 @@
1940 1940  
1941 1941  = 5. Case Study =
1942 1942  
1943 -== 5.1 Counting how many objects pass in Flow Line ==
1970 +== 5.1 Counting how many objects pass through the flow Line ==
1944 1944  
1945 1945  
1946 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1973 +Reference Link: [[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]]?
1947 1947  
1948 1948  
1949 1949  = 6. FAQ =
1950 1950  
1951 -== 6.1 How to upgrade the image? ==
1978 +This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly.
1952 1952  
1980 +== 6.1 How to update the firmware? ==
1953 1953  
1954 -The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1982 +Dragino frequently releases firmware updates for the LT-22222-L.
1955 1955  
1984 +Updating your LT-22222-L with the latest firmware version helps to:
1985 +
1956 1956  * Support new features
1957 -* For bug fix
1958 -* Change LoRaWAN bands.
1987 +* Fix bugs
1988 +* Change LoRaWAN frequency bands
1959 1959  
1960 -Below shows the hardware connection for how to upload an image to the LT:
1990 +You will need the following things before proceeding:
1961 1961  
1992 +* 3.5mm programming cable (included with the LT-22222-L as an additional accessory)
1993 +* USB to TTL adapter
1994 +* 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)
1995 +* 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.
1996 +
1997 +{{info}}
1998 +As of this writing, the latest firmware version available for the LT-22222-L is v1.6.1.
1999 +{{/info}}
2000 +
2001 +Below is the hardware setup for uploading a firmware image to the LT-22222-L:
2002 +
2003 +
1962 1962  [[image:1653359603330-121.png]]
1963 1963  
1964 1964  
1965 -(((
1966 -(% 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]].
1967 -(% 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]].
1968 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1969 -
2007 +Start the STM32 Flash Loader and choose the correct COM port to update.
1970 1970  
1971 1971  (((
2010 +(((
1972 1972  (% style="color:blue" %)**For LT-22222-L**(%%):
1973 -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.
2012 +
2013 +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.
1974 1974  )))
1975 1975  
1976 1976  
... ... @@ -1985,7 +1985,7 @@
1985 1985  [[image:image-20220524104033-15.png]]
1986 1986  
1987 1987  
1988 -(% 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:
2028 +(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5mm cable. The pin mapping is as follows:
1989 1989  
1990 1990  [[image:1653360054704-518.png||height="186" width="745"]]
1991 1991  
... ... @@ -1992,7 +1992,7 @@
1992 1992  
1993 1993  (((
1994 1994  (((
1995 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2035 +== 6.2 How to change the LoRaWAN frequency band/region? ==
1996 1996  
1997 1997  
1998 1998  )))
... ... @@ -1999,13 +1999,13 @@
1999 1999  )))
2000 2000  
2001 2001  (((
2002 -User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
2042 +You can follow the introductions o[[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloading, select the required image file.
2003 2003  )))
2004 2004  
2005 2005  (((
2006 2006  
2007 2007  
2008 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2048 +== 6.3 How to setup LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2009 2009  
2010 2010  
2011 2011  )))
... ... @@ -2012,13 +2012,13 @@
2012 2012  
2013 2013  (((
2014 2014  (((
2015 -In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
2055 +In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
2016 2016  )))
2017 2017  )))
2018 2018  
2019 2019  (((
2020 2020  (((
2021 -Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2061 +Assume you have an LG02 working on the frequency 868400000. Below are the steps.
2022 2022  
2023 2023  
2024 2024  )))
... ... @@ -2025,7 +2025,7 @@
2025 2025  )))
2026 2026  
2027 2027  (((
2028 -(% 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.
2068 +(% style="color:#0000ff" %)**Step 1**(%%):  Log in to The Things Stack SANDBOX, create an ABP device in the application, and input the Network Session key (NwkSKey), App session key (AppSKey) of the device.
2029 2029  
2030 2030  
2031 2031  )))
... ... @@ -2082,61 +2082,55 @@
2082 2082  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/]]
2083 2083  
2084 2084  
2085 -== 6.5 Can I see counting event in Serial? ==
2125 +== 6.5 Can I see the counting event in the serial output? ==
2086 2086  
2087 2087  
2088 2088  (((
2089 -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.
2129 +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.
2090 2090  
2091 2091  
2092 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2132 +== 6.6 Can I use point-to-point communication with LT-22222-L? ==
2093 2093  
2094 2094  
2095 -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]].
2096 -
2097 -
2135 +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]].
2098 2098  )))
2099 2099  
2100 2100  (((
2101 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2139 +== 6.7 Why does the relay output default to an open relay after the LT-22222-L is powered off? ==
2102 2102  
2103 2103  
2104 -If the device is not shut down, but directly powered off.
2142 +* If the device is not properly shut down and is directly powered off.
2143 +* It will default to a power-off state.
2144 +* In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
2145 +* After a restart, the status before the power failure will be read from flash.
2105 2105  
2106 -It will default that this is a power-off state.
2147 +== 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
2107 2107  
2108 -In modes 2 to 5, DO RO status and pulse count are saved in flash.
2109 2109  
2110 -After restart, the status before power failure will be read from flash.
2150 +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:
2111 2111  
2112 2112  
2113 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2114 -
2115 -
2116 -LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2117 -
2118 -
2119 2119  [[image:image-20221006170630-1.png||height="610" width="945"]]
2120 2120  
2121 2121  
2122 -== 6.9 Can LT22222-L save RO state? ==
2156 +== 6.9 Can the LT-22222-L save the RO state? ==
2123 2123  
2124 2124  
2125 -Firmware version needs to be no less than 1.6.0.
2159 +The firmware version must be at least 1.6.0.
2126 2126  
2127 2127  
2128 -== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2162 +== 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? ==
2129 2129  
2130 2130  
2131 -It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2165 +It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose.
2132 2132  
2133 2133  
2134 -= 7. Trouble Shooting =
2168 += 7. Troubleshooting =
2135 2135  )))
2136 2136  
2137 2137  (((
2138 2138  (((
2139 -== 7.1 Downlink doesn't work, how to solve it? ==
2173 +== 7.1 Downlink isn't working. How can I solve this? ==
2140 2140  
2141 2141  
2142 2142  )))
... ... @@ -2143,42 +2143,42 @@
2143 2143  )))
2144 2144  
2145 2145  (((
2146 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
2180 +Please refer to this link for debugging instructions: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
2147 2147  )))
2148 2148  
2149 2149  (((
2150 2150  
2151 2151  
2152 -== 7.2 Have trouble to upload image. ==
2186 +== 7.2 Having trouble uploading an image? ==
2153 2153  
2154 2154  
2155 2155  )))
2156 2156  
2157 2157  (((
2158 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
2192 +Please refer to this link for troubleshooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
2159 2159  )))
2160 2160  
2161 2161  (((
2162 2162  
2163 2163  
2164 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2198 +== 7.3 Why can't I join TTN in the US915 /AU915 bands? ==
2165 2165  
2166 2166  
2167 2167  )))
2168 2168  
2169 2169  (((
2170 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
2204 +It might be related to the channel mapping. [[Please refer to this link for details.>>https://github.com/dragino/LT-22222-L/releases]]
2171 2171  )))
2172 2172  
2173 2173  
2174 -== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2208 +== 7.4 Why can the LT-22222-L perform Uplink normally, but cannot receive Downlink? ==
2175 2175  
2176 2176  
2177 -The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2178 -Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2211 +The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
2212 +Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2179 2179  
2180 2180  
2181 -= 8. Order Info =
2215 += 8. Ordering information =
2182 2182  
2183 2183  
2184 2184  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2185,43 +2185,42 @@
2185 2185  
2186 2186  (% style="color:#4f81bd" %)**XXX:**
2187 2187  
2188 -* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2189 -* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2190 -* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2191 -* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2192 -* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2193 -* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2194 -* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2195 -* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2196 -* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2222 +* (% style="color:red" %)**EU433**(%%): LT with frequency bands EU433
2223 +* (% style="color:red" %)**EU868**(%%): LT with frequency bands EU868
2224 +* (% style="color:red" %)**KR920**(%%): LT with frequency bands KR920
2225 +* (% style="color:red" %)**CN470**(%%): LT with frequency bands CN470
2226 +* (% style="color:red" %)**AS923**(%%): LT with frequency bands AS923
2227 +* (% style="color:red" %)**AU915**(%%): LT with frequency bands AU915
2228 +* (% style="color:red" %)**US915**(%%): LT with frequency bands US915
2229 +* (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2230 +* (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2197 2197  
2198 -= 9. Packing Info =
2232 += 9. Packing information =
2199 2199  
2200 2200  
2201 -**Package Includes**:
2235 +**Package includes**:
2202 2202  
2203 -* LT-22222-L I/O Controller x 1
2204 -* Stick Antenna for LoRa RF part x 1
2205 -* Bracket for controller x1
2206 -* Program cable x 1
2237 +* 1 x LT-22222-L I/O Controller
2238 +* 1 x LoRa antenna matched to the frequency of the LT-22222-L
2239 +* 1 x bracket for DIN rail mounting
2240 +* 1 x 3.5mm programming cable
2207 2207  
2208 2208  **Dimension and weight**:
2209 2209  
2210 2210  * Device Size: 13.5 x 7 x 3 cm
2211 -* Device Weight: 105g
2245 +* Device Weight: 105 g
2212 2212  * Package Size / pcs : 14.5 x 8 x 5 cm
2213 -* Weight / pcs : 170g
2247 +* Weight / pcs : 170 g
2214 2214  
2215 2215  = 10. Support =
2216 2216  
2217 2217  
2218 2218  * (((
2219 -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.
2253 +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.
2220 2220  )))
2221 2221  * (((
2222 -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]]
2256 +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]]
2223 2223  
2224 -
2225 2225  
2226 2226  )))
2227 2227  
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