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

From version 111.1
edited by Bei Jinggeng
on 2023/01/10 17:26
Change comment: There is no comment for this version
To version 165.1
edited by Dilisi S
on 2024/11/06 22:47
Change comment: some minor edits on 6th nov. as part 1

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LT-22222-L LoRa IO Controller User Manual
1 +LT-22222-L -- LoRa IO Controller User Manual
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.pradeeka
Content
... ... @@ -3,6 +3,10 @@
3 3  
4 4  
5 5  
6 +
7 +
8 +
9 +
6 6  **Table of Contents:**
7 7  
8 8  {{toc/}}
... ... @@ -13,38 +13,32 @@
13 13  
14 14  
15 15  
16 -= 1.Introduction =
20 += 1. Introduction =
17 17  
18 -== 1.1 What is LT Series I/O Controller ==
22 +== 1.1 What is the LT-22222-L I/O Controller? ==
19 19  
20 20  (((
21 -
22 -
23 23  (((
24 -The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
25 -)))
26 -)))
26 +The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
27 27  
28 -(((
29 -The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
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.
30 30  )))
31 -
32 -(((
33 -The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
34 34  )))
35 35  
36 36  (((
37 -The use environment includes:
33 +With the LT-22222-L I/O Controller, users can transmit data over ultra-long distances with low power consumption using LoRa, a spread-spectrum modulation technique derived from chirp spread spectrum (CSS) technology that operates on license-free ISM bands.
38 38  )))
39 39  
40 -(((
41 -1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
42 -)))
36 +> The LT Series I/O Controllers are designed for easy, low-cost installation on LoRaWAN networks.
43 43  
44 44  (((
45 -2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
39 +You can connect the LT-22222-L I/O Controller to a LoRaWAN network service provider in several ways:
46 46  
47 -
41 +* 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.
42 +* If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
43 +* Setup your own private LoRaWAN network.
44 +
45 +> You can use a LoRaWAN gateway, such as the Dragino LG308, to expand or create LoRaWAN coverage in your area.
48 48  )))
49 49  
50 50  (((
... ... @@ -53,140 +53,59 @@
53 53  
54 54  )))
55 55  
56 -== 1.2  Specifications ==
54 +== 1.2 Specifications ==
57 57  
58 -(((
59 -
60 -
61 61  (% style="color:#037691" %)**Hardware System:**
62 -)))
63 63  
64 -* (((
65 -STM32L072xxxx MCU
66 -)))
67 -* (((
68 -SX1276/78 Wireless Chip 
69 -)))
70 -* (((
71 -(((
72 -Power Consumption:
73 -)))
58 +* STM32L072xxxx MCU
59 +* SX1276/78 Wireless Chip 
60 +* Power Consumption:
61 +** Idle: 4mA@12v
62 +** 20dB Transmit: 34mA@12v
63 +* Operating Temperature: -40 ~~ 85 Degrees, No Dew
74 74  
75 -* (((
76 -Idle: 4mA@12v
77 -)))
78 -* (((
79 -20dB Transmit: 34mA@12v
80 -)))
81 -)))
82 -
83 -(((
84 -
85 -
86 86  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
87 -)))
88 88  
89 -* (((
90 -2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
91 -)))
92 -* (((
93 -2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
94 -)))
95 -* (((
96 -2 x Relay Output (5A@250VAC / 30VDC)
97 -)))
98 -* (((
99 -2 x 0~~20mA Analog Input (res:0.01mA)
100 -)))
101 -* (((
102 -2 x 0~~30V Analog Input (res:0.01v)
103 -)))
104 -* (((
105 -Power Input 7~~ 24V DC. 
106 -)))
67 +* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
68 +* 2 x Digital Output (NPN output. Max pull-up voltage 36V,450mA)
69 +* 2 x Relay Output (5A@250VAC / 30VDC)
70 +* 2 x 0~~20mA Analog Input (res:0.01mA)
71 +* 2 x 0~~30V Analog Input (res:0.01v)
72 +* Power Input 7~~ 24V DC. 
107 107  
108 -(((
109 -
110 -
111 111  (% style="color:#037691" %)**LoRa Spec:**
112 -)))
113 113  
114 -* (((
115 -(((
116 -Frequency Range:
117 -)))
76 +* Frequency Range:
77 +** Band 1 (HF): 862 ~~ 1020 Mhz
78 +** Band 2 (LF): 410 ~~ 528 Mhz
79 +* 168 dB maximum link budget.
80 +* +20 dBm - 100 mW constant RF output vs.
81 +* +14 dBm high-efficiency PA.
82 +* Programmable bit rate up to 300 kbps.
83 +* High sensitivity: down to -148 dBm.
84 +* Bullet-proof front end: IIP3 = -12.5 dBm.
85 +* Excellent blocking immunity.
86 +* Low RX current of 10.3 mA, 200 nA register retention.
87 +* Fully integrated synthesizer with a resolution of 61 Hz.
88 +* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
89 +* Built-in bit synchronizer for clock recovery.
90 +* Preamble detection.
91 +* 127 dB Dynamic Range RSSI.
92 +* Automatic RF Sense and CAD with ultra-fast AFC.
93 +* Packet engine up to 256 bytes with CRC.
118 118  
119 -* (((
120 -Band 1 (HF): 862 ~~ 1020 Mhz
121 -)))
122 -* (((
123 -Band 2 (LF): 410 ~~ 528 Mhz
124 -)))
125 -)))
126 -* (((
127 -168 dB maximum link budget.
128 -)))
129 -* (((
130 -+20 dBm - 100 mW constant RF output vs.
131 -)))
132 -* (((
133 -+14 dBm high efficiency PA.
134 -)))
135 -* (((
136 -Programmable bit rate up to 300 kbps.
137 -)))
138 -* (((
139 -High sensitivity: down to -148 dBm.
140 -)))
141 -* (((
142 -Bullet-proof front end: IIP3 = -12.5 dBm.
143 -)))
144 -* (((
145 -Excellent blocking immunity.
146 -)))
147 -* (((
148 -Low RX current of 10.3 mA, 200 nA register retention.
149 -)))
150 -* (((
151 -Fully integrated synthesizer with a resolution of 61 Hz.
152 -)))
153 -* (((
154 -FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
155 -)))
156 -* (((
157 -Built-in bit synchronizer for clock recovery.
158 -)))
159 -* (((
160 -Preamble detection.
161 -)))
162 -* (((
163 -127 dB Dynamic Range RSSI.
164 -)))
165 -* (((
166 -Automatic RF Sense and CAD with ultra-fast AFC.
167 -)))
168 -* (((
169 -Packet engine up to 256 bytes with CRC.
170 -
171 -
172 -
173 -)))
174 -
175 175  == 1.3 Features ==
176 176  
177 -
178 178  * LoRaWAN Class A & Class C protocol
179 179  * Optional Customized LoRa Protocol
180 180  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
181 181  * AT Commands to change parameters
182 -* Remote configure parameters via LoRa Downlink
101 +* Remotely configure parameters via LoRaWAN Downlink
183 183  * Firmware upgradable via program port
184 184  * Counting
185 185  
105 +== 1.4 Applications ==
186 186  
187 -== 1.4  Applications ==
188 -
189 -
190 190  * Smart Buildings & Home Automation
191 191  * Logistics and Supply Chain Management
192 192  * Smart Metering
... ... @@ -194,13 +194,15 @@
194 194  * Smart Cities
195 195  * Smart Factory
196 196  
197 -
198 198  == 1.5 Hardware Variants ==
199 199  
200 200  
201 -(% border="1" style="background-color:#f7faff; width:500px" %)
202 -|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
203 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
117 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
118 +|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
119 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
120 +(% style="text-align:center" %)
121 +[[image:image-20230424115112-1.png||height="106" width="58"]]
122 +)))|(% style="width:334px" %)(((
204 204  * 2 x Digital Input (Bi-direction)
205 205  * 2 x Digital Output
206 206  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -209,131 +209,193 @@
209 209  * 1 x Counting Port
210 210  )))
211 211  
131 += 2. Assembling the Device =
212 212  
213 -= 2. Power ON Device =
133 +== 2.1 What is included in the package? ==
214 214  
135 +The package includes the following items:
215 215  
216 -(((
217 -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.
218 -)))
137 +* 1 x LT-22222-L I/O Controller
138 +* 1 x LoRaWAN antenna matched to the frequency of the LT-22222-L
139 +* 1 x bracket for wall mounting
140 +* 1 x programming cable
219 219  
220 -(((
221 -PWR will on when device is properly powered.
142 +Attach the LoRaWAN antenna to the antenna connector, ANT,** **located on the top right side of the device, next to the upper terminal block. Secure the antenna by tightening it clockwise.
222 222  
223 -
224 -)))
144 +== 2.2 Terminals ==
225 225  
146 +Upper screw terminal block (from left to right):
147 +
148 +(% style="width:634px" %)
149 +|=(% style="width: 295px;" %)Terminal|=(% style="width: 338px;" %)Function
150 +|(% style="width:295px" %)GND|(% style="width:338px" %)Ground
151 +|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage
152 +|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2
153 +|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1
154 +|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2
155 +|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1
156 +
157 +Lower screw terminal block (from left to right):
158 +
159 +(% style="width:633px" %)
160 +|=(% style="width: 296px;" %)Terminal|=(% style="width: 334px;" %)Function
161 +|(% style="width:296px" %)RO1-2|(% style="width:334px" %)Relay Output 1
162 +|(% style="width:296px" %)RO1-1|(% style="width:334px" %)Relay Output 1
163 +|(% style="width:296px" %)RO2-2|(% style="width:334px" %)Relay Output 2
164 +|(% style="width:296px" %)RO2-1|(% style="width:334px" %)Relay Output 2
165 +|(% style="width:296px" %)DI2+|(% style="width:334px" %)Digital Input 2
166 +|(% style="width:296px" %)DI2-|(% style="width:334px" %)Digital Input 2
167 +|(% style="width:296px" %)DI1+|(% style="width:334px" %)Digital Input 1
168 +|(% style="width:296px" %)DI1-|(% style="width:334px" %)Digital Input 1
169 +|(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
170 +|(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
171 +
172 +== 2.3 Powering the LT-22222-L ==
173 +
174 +The LT-22222-L I/O Controller can be powered by a 7–24V DC power source. Connect the power supply’s positive wire to the VIN and the negative wire to the GND screw terminals. The power indicator (PWR) LED will turn on when the device is properly powered.
175 +
176 +
226 226  [[image:1653297104069-180.png]]
227 227  
228 228  
229 229  = 3. Operation Mode =
230 230  
231 -== 3.1 How it works? ==
182 +== 3.1 How does it work? ==
232 232  
184 +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.
233 233  
234 -(((
235 -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. 
236 -)))
186 +For LT-22222-L, the LED will show the Join status: After powering on, the TX LED will fast-blink 5 times which means the LT-22222-L will enter the working 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 message from the server, the RX LED will be on for 1 second. 
237 237  
238 -(((
239 -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.
240 -)))
188 +In case you can't set the root key and other identifiers in the network server and must use them from the server, you can use [[AT Commands>>||anchor="H4.UseATCommand"]] to configure them on the device.
241 241  
190 +== 3.2 Registering with a LoRaWAN network server ==
242 242  
243 -== 3.2 Example to join LoRaWAN network ==
192 +The diagram below shows how the LT-22222-L connects to a typical LoRaWAN network.
244 244  
194 +[[image:image-20220523172350-1.png||height="266" width="864"]]
245 245  
246 -(((
247 -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. 
196 +=== 3.2.1 Prerequisites ===
248 248  
249 -
250 -)))
198 +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.
251 251  
252 -[[image:image-20220523172350-1.png||height="266" width="864"]]
200 +[[image:image-20230425173427-2.png||height="246" width="530"]]
253 253  
202 +The following subsections explain how to register the LT-22222-L with different LoRaWAN network server providers.
254 254  
255 -(((
256 -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:
204 +=== 3.2.2 The Things Stack Sandbox (TTSS) ===
257 257  
258 -
259 -)))
206 +* Log in to your [[The Things Stack Sandbox>>https://eu1.cloud.thethings.network]] account.
207 +* Create an application if you do not have one yet.
208 +* Register LT-22222-L with that application. Two registration options are available:
260 260  
261 -(((
262 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
263 -)))
210 +==== Using the LoRaWAN Device Repository: ====
264 264  
265 -(((
266 -Each LT is shipped with a sticker with the default device EUI as below:
267 -)))
212 +* Go to your application and click on the **Register end device** button.
213 +* On the **Register end device** page:
214 +** Select the option **Select the end device in the LoRaWAN Device Repository**.
215 +** Choose the **End device brand**, **Model**, **Hardware version**, **Firmware version**, and **Profile (Region)**.
216 +** Select the **Frequency plan** that matches your device.
268 268  
269 -[[image:1653297924498-393.png]]
218 +[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
270 270  
220 +*
221 +** Enter the **AppEUI** in the **JoinEUI** field and click the **Confirm** button.
222 +** Enter the **DevEUI** in the **DevEUI** field.
223 +** Enter the **AppKey** in the **AppKey** field.
224 +** In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
225 +** Under **After registration**, select the **View registered end device** option.
271 271  
272 -Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
227 +[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
273 273  
274 -**Add APP EUI in the application.**
229 +==== Entering device information manually: ====
275 275  
276 -[[image:1653297955910-247.png||height="321" width="716"]]
231 +* On the **Register end device** page:
232 +** Select the **Enter end device specifies manually** option as the input method.
233 +** Select the **Frequency plan** that matches your device.
234 +** Select the **LoRaWAN version**.
235 +** Select the **Regional Parameters version**.
236 +** Click **Show advanced activation, LoRaWAN class and cluster settings** link to expand the section.
237 +** Select **Over the air activation (OTAA)** option under the **Activation mode**
238 +** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities**.
277 277  
240 +[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
278 278  
279 -**Add APP KEY and DEV EUI**
280 280  
281 -[[image:1653298023685-319.png]]
243 +* Enter **AppEUI** in the **JoinEUI** field and click the **Confirm** button.
244 +* Enter **DevEUI** in the **DevEUI** field.
245 +* Enter **AppKey** in the **AppKey** field.
246 +* In the **End device ID** field, enter a unique name within this application for your LT-22222-N.
247 +* Under **After registration**, select the **View registered end device** option.
282 282  
249 +[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
283 283  
284 284  
285 -(((
286 -(% 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.
252 +==== Joining ====
287 287  
288 -
289 -)))
254 +Click on **Live Data** in the left navigation. Then, power on the device, and it will join The Things Stack Sandbox. You can see the join request, join accept, followed by uplink messages form the device showing in the Live Data panel.
290 290  
291 291  [[image:1653298044601-602.png||height="405" width="709"]]
292 292  
293 293  
294 -== 3.3 Uplink Payload ==
259 +== 3.3 Uplink Payload formats ==
295 295  
296 296  
297 -There are five working modes + one interrupt mode on LT for different type application:
262 +The LT-22222-L has 5 working modes. It also has an interrupt/trigger mode for different types of applications that can be used together with any working mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
298 298  
299 -* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
264 +* (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2 x ACI + 2AVI + DI + DO + RO
265 +
300 300  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
267 +
301 301  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
269 +
302 302  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
271 +
303 303  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
273 +
304 304  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
305 305  
306 -
307 307  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
308 308  
309 309  
310 310  (((
311 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
280 +The uplink payload is 11 bytes long. Uplink packets are sent over LoRaWAN FPort=2. By default, one uplink is sent every 10 minutes. (% style="display:none" wfd-invisible="true" %)
281 +
282 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
283 +|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
284 +|Value|(((
285 +AVI1 voltage
286 +)))|(((
287 +AVI2 voltage
288 +)))|(((
289 +ACI1 Current
290 +)))|(((
291 +ACI2 Current
292 +)))|DIDORO*|(((
293 +Reserve
294 +)))|MOD
312 312  )))
313 313  
314 -[[image:image-20220523174024-3.png]]
315 -
316 316  (((
317 -
298 +(% 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.
318 318  
319 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
300 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
301 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
302 +|RO1|RO2|--DI3--|DI2|DI1|--DO3--|DO2|DO1
320 320  )))
321 321  
322 -[[image:image-20220523174254-4.png]]
305 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
306 +* DI is for digital input. DIx=1: high or floating, DIx=0: low.
307 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
323 323  
324 -* RO is for relay. ROx=1 : close,ROx=0 always open.
325 -* DI is for digital input. DIx=1: high or float, DIx=0: low.
326 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
309 +(% style="color:red" %)**Note: DI3 and DO3 bits are not valid for LT-22222-L**
327 327  
328 -(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
311 +For example, if the payload is: [[image:image-20220523175847-2.png]]
329 329  
330 -For example if payload is: [[image:image-20220523175847-2.png]]
331 331  
314 +**The interface values can be calculated as follows:  **
332 332  
333 -**The value for the interface is **
316 +AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
334 334  
335 -AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
336 -
337 337  AVI2 channel voltage is 0x04AC/1000=1.196V
338 338  
339 339  ACI1 channel current is 0x1310/1000=4.880mA
... ... @@ -340,97 +340,92 @@
340 340  
341 341  ACI2 channel current is 0x1300/1000=4.864mA
342 342  
343 -The last byte 0xAA= 10101010(B) means
324 +The last byte 0xAA= **10101010**(b) means,
344 344  
345 -* [1] RO1 relay channel is close and the RO1 LED is ON.
346 -* [0] RO2 relay channel is open and RO2 LED is OFF;
326 +* [1] The RO1 relay channel is CLOSED, and the RO1 LED is ON.
327 +* [0] The RO2 relay channel is OPEN, and the RO2 LED is OFF.
328 +* [1] DI3 - not used for LT-22222-L.
329 +* [0] DI2 channel input is LOW, and the DI2 LED is OFF.
330 +* [1] DI1 channel input state:
331 +** DI1 is FLOATING when no sensor is connected between DI1+ and DI1-.
332 +** DI1 is HIGH when a sensor is connected between DI1- and DI1+ and the sensor is ACTIVE.
333 +** DI1 LED is ON in both cases.
334 +* [0] DO3 - not used for LT-22222-L.
335 +* [1] DO2 channel output is LOW, and the DO2 LED is ON.
336 +* [0] DO1 channel output state:
337 +** DO1 is FLOATING when there is no load between DO1 and V+.
338 +** DO1 is HIGH when there is a load between DO1 and V+.
339 +** DO1 LED is OFF in both cases.
347 347  
348 -**LT22222-L:**
349 -
350 -* [1] DI2 channel is high input and DI2 LED is ON;
351 -* [0] DI1 channel is low input;
352 -
353 -* [0] DO3 channel output state
354 -** DO3 is float in case no load between DO3 and V+.;
355 -** DO3 is high in case there is load between DO3 and V+.
356 -** DO3 LED is off in both case
357 -* [1] DO2 channel output is low and DO2 LED is ON.
358 -* [0] DO1 channel output state
359 -** DO1 is float in case no load between DO1 and V+.;
360 -** DO1 is high in case there is load between DO1 and V+.
361 -** DO1 LED is off in both case
362 -
363 -
364 364  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
365 365  
366 366  
367 367  (((
368 -**For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
345 +**For LT-22222-L**: In this mode, the **DI1 and DI2** are used as counting pins.
369 369  )))
370 370  
371 371  (((
372 -Total : 11 bytes payload
349 +The uplink payload is 11 bytes long.
350 +
351 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
352 +|(% 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**
353 +|Value|COUNT1|COUNT2 |DIDORO*|(((
354 +Reserve
355 +)))|MOD
373 373  )))
374 374  
375 -[[image:image-20220523180452-3.png]]
358 +(((
359 +(% style="color:#4f81bd" %)***DIDORO**(%%) is a combination of RO1, RO2, DO3, DO2 and DO1, for a total of 1 byte, as shown below.
376 376  
361 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
362 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
363 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
377 377  
378 -(((
379 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
365 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
380 380  )))
381 381  
382 -[[image:image-20220523180506-4.png]]
368 +* FIRST: Indicates that this is the first packet after joining the network.
369 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
383 383  
384 -* RO is for relay. ROx=1 : close,ROx=0 always open.
385 -* FIRST: Indicate this is the first packet after join network.
386 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
387 -
388 388  (((
389 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
390 -)))
372 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L**
391 391  
392 -(((
393 393  
375 +)))
394 394  
395 -**To use counting mode, please run:**
377 +(((
378 +**To activate this mode, run the following AT commands:**
396 396  )))
397 397  
381 +(((
398 398  (% class="box infomessage" %)
399 399  (((
400 -(((
401 -(((
402 402  **AT+MOD=2**
403 -)))
404 404  
405 -(((
406 406  **ATZ**
407 407  )))
408 408  )))
409 -)))
410 410  
411 411  (((
412 412  
413 413  
414 414  (% style="color:#4f81bd" %)**AT Commands for counting:**
415 -
416 -
417 417  )))
418 418  
419 419  (((
420 420  **For LT22222-L:**
421 421  
399 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)** (sets the DI1 port to trigger on a LOW level. The valid signal duration is 100ms) **
422 422  
423 -(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
401 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)** (sets the DI1 port to trigger on a HIGH level. The valid signal duration is 100ms) **
424 424  
425 -(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
403 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)** (sets the DI2 port to trigger on a LOW level. The valid signal duration is 100ms) **
426 426  
427 -(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
405 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)** (sets the DI2 port to trigger on a HIGH level. The valid signal duration is 100ms) **
428 428  
429 -(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
407 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)** (sets the COUNT1 value to 60)**
430 430  
431 -(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
432 -
433 -(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
409 +(% style="color:blue" %)**AT+SETCNT=2,60 **(%%)**(sets the COUNT2 value to 60)**
434 434  )))
435 435  
436 436  
... ... @@ -437,46 +437,50 @@
437 437  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
438 438  
439 439  
440 -**LT22222-L**: This mode the DI1 is used as a counting pin.
416 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
441 441  
442 -[[image:image-20220523181246-5.png]]
418 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
419 +|(% 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**
420 +|Value|COUNT1|(((
421 +ACI1 Current
422 +)))|(((
423 +ACI2 Current
424 +)))|DIDORO*|Reserve|MOD
443 443  
444 444  (((
445 -
427 +(% 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.
446 446  
447 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
429 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
430 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
431 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
448 448  )))
449 449  
450 -[[image:image-20220523181301-6.png]]
434 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
435 +* FIRST: Indicates that this is the first packet after joining the network.
436 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
451 451  
452 -* RO is for relay. ROx=1 : close,ROx=0 always open.
453 -* FIRST: Indicate this is the first packet after join network.
454 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
455 -
456 456  (((
457 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
439 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
458 458  )))
459 459  
460 460  
461 461  (((
462 -**To use counting mode, please run:**
444 +**To activate this mode, run the following AT commands:**
463 463  )))
464 464  
447 +(((
465 465  (% class="box infomessage" %)
466 466  (((
467 -(((
468 -(((
469 469  **AT+MOD=3**
470 -)))
471 471  
472 -(((
473 473  **ATZ**
474 474  )))
475 475  )))
476 -)))
477 477  
478 478  (((
479 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
457 +AT Commands for counting:
458 +
459 +The AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
480 480  )))
481 481  
482 482  
... ... @@ -484,67 +484,64 @@
484 484  
485 485  
486 486  (((
487 -**LT22222-L**: This mode the DI1 is used as a counting pin.
467 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
488 488  )))
489 489  
490 490  (((
491 -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.
471 +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.
472 +
473 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
474 +|(% 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**
475 +|Value|COUNT1|AVI1 Counting|DIDORO*|(((
476 +Reserve
477 +)))|MOD
492 492  )))
493 493  
494 -[[image:image-20220523181903-8.png]]
495 -
496 -
497 497  (((
498 -(% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
481 +(% 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.
482 +
483 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
484 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
485 +|RO1|RO2|FIRST|Reserve|Reserve|--DO3--|DO2|DO1
499 499  )))
500 500  
501 -[[image:image-20220523181727-7.png]]
488 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
489 +* FIRST: Indicates that this is the first packet after joining the network.
490 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
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.
505 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
506 -
507 507  (((
508 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
509 -)))
493 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
510 510  
511 -(((
512 512  
496 +)))
513 513  
514 -**To use this mode, please run:**
498 +(((
499 +**To activate this mode, run the following AT commands:**
515 515  )))
516 516  
502 +(((
517 517  (% class="box infomessage" %)
518 518  (((
519 -(((
520 -(((
521 521  **AT+MOD=4**
522 -)))
523 523  
524 -(((
525 525  **ATZ**
526 526  )))
527 527  )))
528 -)))
529 529  
530 -
531 531  (((
532 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
512 +Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
533 533  )))
534 534  
535 535  (((
536 -
516 +**In addition to that, below are the commands for AVI1 Counting:**
537 537  
538 -**Plus below command for AVI1 Counting:**
518 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (Sets AVI Count to 60)**
539 539  
540 -
541 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
542 -
543 543  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
544 544  
545 545  (% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
546 546  
547 -(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
524 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
548 548  )))
549 549  
550 550  
... ... @@ -551,47 +551,53 @@
551 551  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
552 552  
553 553  
554 -**LT22222-L**: This mode the DI1 is used as a counting pin.
531 +**LT22222-L**: In this mode, the DI1 is used as a counting pin.
555 555  
556 -[[image:image-20220523182334-9.png]]
533 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
534 +|(% 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**
535 +|Value|(((
536 +AVI1 voltage
537 +)))|(((
538 +AVI2 voltage
539 +)))|(((
540 +ACI1 Current
541 +)))|COUNT1|DIDORO*|(((
542 +Reserve
543 +)))|MOD
557 557  
558 558  (((
559 -
546 +(% 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.
560 560  
561 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
548 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
549 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
550 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
562 562  )))
563 563  
564 -* RO is for relay. ROx=1 : closeROx=0 always open.
565 -* FIRST: Indicate this is the first packet after join network.
553 +* RO is for the relay. ROx=1: closed, ROx=0 always open.
554 +* FIRST: Indicates that this is the first packet after joining the network.
566 566  * (((
567 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
556 +DO is for reverse digital output. DOx=1: output low, DOx=0: high or floating.
568 568  )))
569 569  
570 570  (((
571 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
560 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
572 572  )))
573 573  
574 574  (((
575 -
576 -
577 -**To use this mode, please run:**
564 +**To activate this mode, run the following AT commands:**
578 578  )))
579 579  
567 +(((
580 580  (% class="box infomessage" %)
581 581  (((
582 -(((
583 -(((
584 584  **AT+MOD=5**
585 -)))
586 586  
587 -(((
588 588  **ATZ**
589 589  )))
590 590  )))
591 -)))
592 592  
593 593  (((
594 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
577 +Other AT Commands for counting are similar to the [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]s.
595 595  )))
596 596  
597 597  
... ... @@ -598,49 +598,46 @@
598 598  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
599 599  
600 600  
601 -(% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
584 +(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate together with other modes.**
602 602  
603 -For example, if user has configured below commands:
586 +For example, if you configured the following commands:
604 604  
605 605  * **AT+MOD=1 ** **~-~->**  The normal working mode
606 -* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
589 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger mode
607 607  
608 -LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
591 +The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. LT will send uplink packets in two cases:
609 609  
610 -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
611 -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.**
593 +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.
594 +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.**
612 612  
613 613  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
614 614  
598 +(% style="color:#4f81bd" %)**Trigger based on voltage**:
615 615  
616 -(% style="color:#4f81bd" %)**Trigger base on voltage**:
617 -
618 618  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
619 619  
620 620  
621 621  **Example:**
622 622  
623 -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)
605 +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)
624 624  
625 -AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
607 +AT+AVLIM=5000,0,0,0   (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
626 626  
627 627  
610 +(% style="color:#4f81bd" %)**Trigger based on current**:
628 628  
629 -(% style="color:#4f81bd" %)**Trigger base on current**:
630 -
631 631  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
632 632  
633 633  
634 634  **Example:**
635 635  
636 -AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
617 +AT+ACLIM=10000,15000,0,0   (triggers an uplink if ACI1 voltage is lower than 10mA or higher than 15mA)
637 637  
638 638  
620 +(% style="color:#4f81bd" %)**Trigger based on DI status**:
639 639  
640 -(% style="color:#4f81bd" %)**Trigger base on DI status**:
622 +DI status triggers Flag.
641 641  
642 -DI status trigger Flag.
643 -
644 644  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
645 645  
646 646  
... ... @@ -649,73 +649,116 @@
649 649  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
650 650  
651 651  
632 +(% style="color:#037691" %)**LoRaWAN Downlink Commands for Setting the Trigger Conditions:**
652 652  
653 -(% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
654 -
655 655  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
656 656  
657 657  Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
658 658  
659 - AA: Code for this downlink Command:
638 + AA: Type Code for this downlink Command:
660 660  
661 - xx: 0: Limit for AV1 and AV2;  1: limit for AC1 and AC2 ; 2 DI1, DI2 trigger enable/disable
640 + xx: **0**: Limit for AV1 and AV2; **1**: limit for AC1 and AC2; **2**: DI1and DI2 trigger enable/disable.
662 662  
663 - yy1 yy1: AC1 or AV1 low limit or DI1/DI2 trigger status.
642 + yy1 yy1: AC1 or AV1 LOW limit or DI1/DI2 trigger status.
664 664  
665 - yy2 yy2: AC1 or AV1 high limit.
644 + yy2 yy2: AC1 or AV1 HIGH limit.
666 666  
667 - yy3 yy3: AC2 or AV2 low limit.
646 + yy3 yy3: AC2 or AV2 LOW limit.
668 668  
669 - Yy4 yy4: AC2 or AV2 high limit.
648 + Yy4 yy4: AC2 or AV2 HIGH limit.
670 670  
671 671  
672 -**Example1**: AA 00 13 88 00 00 00 00 00 00
651 +**Example 1**: AA 00 13 88 00 00 00 00 00 00
673 673  
674 -Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
653 +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)
675 675  
676 676  
677 -**Example2**: AA 02 01 00
656 +**Example 2**: AA 02 01 00
678 678  
679 -Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
658 +Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
680 680  
681 681  
682 -
683 683  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
684 684  
685 -MOD6 Payload : total 11 bytes payload
663 +MOD6 Payload: total of 11 bytes
686 686  
687 -[[image:image-20220524085923-1.png]]
665 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
666 +|(% 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**
667 +|Value|(((
668 +TRI_A FLAG
669 +)))|(((
670 +TRI_A Status
671 +)))|(((
672 +TRI_DI FLAG+STA
673 +)))|Reserve|Enable/Disable MOD6|(((
674 +MOD(6)
675 +)))
688 688  
677 +(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1 byte as below
689 689  
690 -(% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
679 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
680 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
681 +|(((
682 +AV1_LOW
683 +)))|(((
684 +AV1_HIGH
685 +)))|(((
686 +AV2_LOW
687 +)))|(((
688 +AV2_HIGH
689 +)))|(((
690 +AC1_LOW
691 +)))|(((
692 +AC1_HIGH
693 +)))|(((
694 +AC2_LOW
695 +)))|(((
696 +AC2_HIGH
697 +)))
691 691  
692 -[[image:image-20220524090106-2.png]]
699 +* Each bit shows if the corresponding trigger has been configured.
693 693  
694 -* Each bits shows if the corresponding trigger has been configured.
695 -
696 696  **Example:**
697 697  
698 -10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
703 +10100000: Means the system has configure to use the trigger: AV1_LOW and AV2_LOW
699 699  
700 700  
706 +(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1 byte as below
701 701  
702 -(% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
708 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
709 +|**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
710 +|(((
711 +AV1_LOW
712 +)))|(((
713 +AV1_HIGH
714 +)))|(((
715 +AV2_LOW
716 +)))|(((
717 +AV2_HIGH
718 +)))|(((
719 +AC1_LOW
720 +)))|(((
721 +AC1_HIGH
722 +)))|(((
723 +AC2_LOW
724 +)))|(((
725 +AC2_HIGH
726 +)))
703 703  
704 -[[image:image-20220524090249-3.png]]
728 +* Each bit shows which status has been triggered on this uplink.
705 705  
706 -* Each bits shows which status has been trigger on this uplink.
707 -
708 708  **Example:**
709 709  
710 -10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
732 +10000000: Means this uplink is triggered by AV1_LOW. That means the voltage is too low.
711 711  
712 712  
713 -
714 714  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
715 715  
716 -[[image:image-20220524090456-4.png]]
737 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
738 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
739 +|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
717 717  
718 -* Each bits shows which status has been trigger on this uplink.
741 +* Each bits shows which status has been triggered on this uplink.
719 719  
720 720  **Example:**
721 721  
... ... @@ -724,7 +724,6 @@
724 724  00000101: Means both DI1 and DI2 trigger are enabled.
725 725  
726 726  
727 -
728 728  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
729 729  
730 730  Downlink command to poll MOD6 status:
... ... @@ -760,7 +760,6 @@
760 760  
761 761  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
762 762  
763 -
764 764  === 3.4.1 Common Commands ===
765 765  
766 766  
... ... @@ -774,37 +774,37 @@
774 774  ==== 3.4.2.1 Set Transmit Interval ====
775 775  
776 776  
777 -Set device uplink interval.
798 +Sets the uplink interval of the device.
778 778  
779 -* (% style="color:#037691" %)**AT Command:**
800 +* (% style="color:#037691" %)**AT command:**
780 780  
781 -(% style="color:blue" %)**AT+TDC=N **
802 +(% style="color:blue" %)**AT+TDC=N**
782 782  
804 +where N is the time in milliseconds.
783 783  
784 -**Example: **AT+TDC=30000. Means set interval to 30 seconds
806 +**Example: **AT+TDC=30000. This will set the uplink interval to 30 seconds
785 785  
786 786  
787 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
809 +* (% style="color:#037691" %)**Downlink payload (prefix 0x01):**
788 788  
789 789  (% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
790 790  
791 791  
792 792  
793 -==== 3.4.2.2 Set Work Mode (AT+MOD) ====
815 +==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
794 794  
795 795  
796 -Set work mode.
818 +Sets the work mode.
797 797  
798 -* (% style="color:#037691" %)**AT Command:**
820 +* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
799 799  
800 -(% style="color:blue" %)**AT+MOD=N  **
822 +Where N is the work mode.
801 801  
824 +**Example**: AT+MOD=2. This will set the work mode to Double DI counting mode.
802 802  
803 -**Example**: AT+MOD=2. Set work mode to Double DI counting mode
804 804  
827 +* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):**
805 805  
806 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
807 -
808 808  (% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
809 809  
810 810  
... ... @@ -812,34 +812,30 @@
812 812  ==== 3.4.2.3 Poll an uplink ====
813 813  
814 814  
815 -* (% style="color:#037691" %)**AT Command:**
836 +Asks the device to send an uplink.
816 816  
817 -There is no AT Command to poll uplink
838 +* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
818 818  
840 +* (% style="color:#037691" %)**Downlink payload (prefix 0x08):**
819 819  
820 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
821 -
822 822  (% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
823 823  
824 -
825 825  **Example**: 0x08FF, ask device to send an Uplink
826 826  
827 827  
828 828  
829 -==== 3.4.2.4 Enable Trigger Mode ====
848 +==== 3.4.2.4 Enable/Disable Trigger Mode ====
830 830  
831 831  
832 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
851 +Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
833 833  
834 -* (% style="color:#037691" %)**AT Command:**
853 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
835 835  
836 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
855 +(% style="color:red" %)**1:** (%%)Enable the trigger mode
837 837  
838 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
857 +(% style="color:red" %)**0: **(%%)Disable the trigger mode
839 839  
840 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
841 841  
842 -
843 843  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
844 844  
845 845  (% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
... ... @@ -849,16 +849,15 @@
849 849  ==== 3.4.2.5 Poll trigger settings ====
850 850  
851 851  
852 -Poll trigger settings,
869 +Polls the trigger settings
853 853  
854 854  * (% style="color:#037691" %)**AT Command:**
855 855  
856 856  There is no AT Command for this feature.
857 857  
858 -
859 859  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
860 860  
861 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
877 +(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll the trigger settings. Device will uplink trigger settings once receive this command
862 862  
863 863  
864 864  
... ... @@ -865,17 +865,13 @@
865 865  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
866 866  
867 867  
868 -Enable Disable DI1/DI2/DI2 as trigger,
884 +Enable or Disable DI1/DI2/DI2 as trigger,
869 869  
870 -* (% style="color:#037691" %)**AT Command:**
886 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
871 871  
872 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
888 +**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
873 873  
874 874  
875 -**Example:**
876 -
877 -AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
878 -
879 879  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
880 880  
881 881  (% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
... ... @@ -887,20 +887,15 @@
887 887  
888 888  Set DI1 or DI3(for LT-33222-L) trigger.
889 889  
890 -* (% style="color:#037691" %)**AT Command:**
902 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
891 891  
892 -(% style="color:blue" %)**AT+TRIG1=a,b**
893 -
894 894  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
895 895  
896 896  (% style="color:red" %)**b :** (%%)delay timing.
897 897  
908 +**Example:** AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
898 898  
899 -**Example:**
900 900  
901 -AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
902 -
903 -
904 904  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
905 905  
906 906  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
... ... @@ -910,22 +910,17 @@
910 910  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
911 911  
912 912  
913 -Set DI2 trigger.
920 +Sets DI2 trigger.
914 914  
915 -* (% style="color:#037691" %)**AT Command:**
922 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
916 916  
917 -(% style="color:blue" %)**AT+TRIG2=a,b**
924 +(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
918 918  
919 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
920 -
921 921  (% style="color:red" %)**b :** (%%)delay timing.
922 922  
928 +**Example:** AT+TRIG2=0,100 (set DI1 port to trigger on low level, valid signal is 100ms )
923 923  
924 -**Example:**
925 925  
926 -AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
927 -
928 -
929 929  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
930 930  
931 931  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
... ... @@ -937,11 +937,8 @@
937 937  
938 938  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
939 939  
940 -* (% style="color:#037691" %)**AT Command**
942 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
941 941  
942 -(% style="color:blue" %)**AT+ACLIM**
943 -
944 -
945 945  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
946 946  
947 947  (% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -953,11 +953,8 @@
953 953  
954 954  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
955 955  
956 -* (% style="color:#037691" %)**AT Command**
955 +* (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
957 957  
958 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
959 -
960 -
961 961  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
962 962  
963 963  (% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -967,20 +967,15 @@
967 967  ==== 3.4.2.11 Trigger – Set minimum interval ====
968 968  
969 969  
970 -Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
966 +Sets AV and AC trigger minimum interval. Device won't response to the second trigger within this set time after the first trigger.
971 971  
972 -* (% style="color:#037691" %)**AT Command**
968 +* (% 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.
973 973  
974 -(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
975 -
976 -
977 977  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
978 978  
979 979  (% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
980 980  
981 981  (((
982 -
983 -
984 984  (% style="color:red" %)**Note: ATDC setting must be more than 5min**
985 985  )))
986 986  
... ... @@ -995,8 +995,9 @@
995 995  
996 996  
997 997  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
998 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
999 999  
990 +(% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
991 +
1000 1000  (((
1001 1001  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1002 1002  )))
... ... @@ -1003,10 +1003,14 @@
1003 1003  
1004 1004  (((
1005 1005  01: Low,  00: High ,  11: No action
998 +
999 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1000 +|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
1001 +|02  01  00  11|Low|High|No Action
1002 +|02  00  11  01|High|No Action|Low
1003 +|02  11  01  00|No Action|Low|High
1006 1006  )))
1007 1007  
1008 -[[image:image-20220524092754-5.png]]
1009 -
1010 1010  (((
1011 1011  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1012 1012  )))
... ... @@ -1043,30 +1043,37 @@
1043 1043  
1044 1044  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1045 1045  
1046 -[[image:image-20220524093238-6.png]]
1042 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1043 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1044 +|0x01|DO1 set to low
1045 +|0x00|DO1 set to high
1046 +|0x11|DO1 NO Action
1047 1047  
1048 -
1049 1049  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1050 1050  
1051 -[[image:image-20220524093328-7.png]]
1050 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1051 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1052 +|0x01|DO2 set to low
1053 +|0x00|DO2 set to high
1054 +|0x11|DO2 NO Action
1052 1052  
1053 -
1054 1054  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1055 1055  
1056 -[[image:image-20220524093351-8.png]]
1058 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1059 +|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1060 +|0x01|DO3 set to low
1061 +|0x00|DO3 set to high
1062 +|0x11|DO3 NO Action
1057 1057  
1064 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1058 1058  
1059 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1060 1060  
1061 - Latching time. Unit: ms
1067 +(% style="color:red" %)**Note: **
1062 1062  
1063 -Note:
1064 -
1065 1065   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1066 1066  
1067 1067   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1068 1068  
1069 -
1070 1070  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1071 1071  
1072 1072  
... ... @@ -1108,11 +1108,18 @@
1108 1108  )))
1109 1109  
1110 1110  (((
1111 -01: Close ,  00: Open , 11: No action
1112 -)))
1114 +00: Closed ,  01: Open , 11: No action
1113 1113  
1114 -(((
1115 -[[image:image-20220524093724-9.png]]
1116 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1117 +|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1118 +|03  00  11|Open|No Action
1119 +|03  01  11|Close|No Action
1120 +|03  11  00|No Action|Open
1121 +|03  11  01|No Action|Close
1122 +|03  00  00|Open|Open
1123 +|03  01  01|Close|Close
1124 +|03  01  00|Close|Open
1125 +|03  00  01|Open|Close
1116 1116  )))
1117 1117  
1118 1118  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1150,8 +1150,9 @@
1150 1150  
1151 1151  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1152 1152  
1153 -Note:
1154 1154  
1164 +(% style="color:red" %)**Note:**
1165 +
1155 1155   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1156 1156  
1157 1157   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1185,11 +1185,8 @@
1185 1185  
1186 1186  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1187 1187  
1188 -* (% style="color:#037691" %)**AT Command:**
1199 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1189 1189  
1190 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1191 -
1192 -
1193 1193  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1194 1194  
1195 1195  (% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
... ... @@ -1199,10 +1199,8 @@
1199 1199  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1200 1200  
1201 1201  
1202 -* (% style="color:#037691" %)**AT Command:**
1210 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1203 1203  
1204 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1205 -
1206 1206  (% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1207 1207  
1208 1208  (% style="color:red" %)**bb cc dd ee: **(%%)number to be set
... ... @@ -1219,11 +1219,8 @@
1219 1219  
1220 1220  Clear counting for counting mode
1221 1221  
1222 -* (% style="color:#037691" %)**AT Command:**
1228 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1223 1223  
1224 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1225 -
1226 -
1227 1227  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1228 1228  
1229 1229  (% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
... ... @@ -1230,7 +1230,7 @@
1230 1230  
1231 1231  
1232 1232  
1233 -==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1236 +==== 3.4.2.19 Counting ~-~- Change counting mode to save time ====
1234 1234  
1235 1235  
1236 1236  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1351,75 +1351,91 @@
1351 1351  [[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"]]
1352 1352  
1353 1353  
1354 -== 3.5 Integrate with Mydevice ==
1357 +== 3.5 Integrating with ThingsEye.io ==
1355 1355  
1359 +If you are using one of The Things Stack plans, you can integrate ThingsEye.io with your application. Once integrated, ThingsEye.io works as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic.
1356 1356  
1357 -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:
1361 +=== 3.5.1 Configuring The Things Stack Sandbox ===
1358 1358  
1359 -(((
1360 -(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1361 -)))
1363 +* Go to your Application and select MQTT under Integrations.
1364 +* In the Connection credentials section, under Username, The Thins Stack displays an auto-generated username. You can use it or provide a new one.
1365 +* For the Password, click the Generate new API key button to generate a password. You can see it by clicking on the eye button.
1362 1362  
1363 -(((
1364 -(% 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:
1367 +[[image:tts-mqtt-integration.png||height="625" width="1000"]]
1365 1365  
1366 -
1367 -)))
1369 +=== 3.5.2 Configuring ThingsEye.io ===
1368 1368  
1369 -[[image:image-20220719105525-1.png||height="377" width="677"]]
1371 +* Login to your thingsEye.io account.
1372 +* Under the Integrations center, click Integrations.
1373 +* Click the Add integration button (the button with the + symbol).
1370 1370  
1375 +[[image:thingseye-io-step-1.png||height="625" width="1000"]]
1371 1371  
1372 1372  
1373 -[[image:image-20220719110247-2.png||height="388" width="683"]]
1378 +On the Add integration page configure the following:
1374 1374  
1380 +Basic settings:
1375 1375  
1376 -(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1382 +* Select The Things Stack Community from the Integration type list.
1383 +* Enter a suitable name for your integration in the Name box or keep the default name.
1384 +* Click the Next button.
1377 1377  
1378 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1386 +[[image:thingseye-io-step-2.png||height="625" width="1000"]]
1379 1379  
1380 -Search under The things network
1388 +Uplink Data converter:
1381 1381  
1382 -[[image:1653356838789-523.png||height="337" width="740"]]
1390 +* Click the Create New button if it is not selected by default.
1391 +* Click the JavaScript button.
1392 +* Paste the uplink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
1393 +* Click the Next button.
1383 1383  
1395 +[[image:thingseye-io-step-3.png||height="625" width="1000"]]
1384 1384  
1397 +Downlink Data converter (this is an optional step):
1385 1385  
1386 -After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1399 +* Click the Create new button if it is not selected by default.
1400 +* Click the JavaScript button.
1401 +* Paste the downlink decoder function into the text area (first, delete the default code). The demo decoder function can be found here.
1402 +* Click the Next button.
1387 1387  
1388 -[[image:image-20220524094909-1.png||height="335" width="729"]]
1404 +[[image:thingseye-io-step-4.png||height="625" width="1000"]]
1389 1389  
1406 +Connection:
1390 1390  
1391 -[[image:image-20220524094909-2.png||height="337" width="729"]]
1408 +* Choose Region from the Host type.
1409 +* Enter the cluster of your The Things Stack in the Region textbox.
1410 +* Enter the Username and Password in the Credentials section. Use the same username and password you created with the MQTT page of The Things Stack.
1411 +* Click Check connection to test the connection. If the connection is successful, you can see the message saying Connected.
1412 +* Click the Add button.
1392 1392  
1414 +[[image:thingseye-io-step-5.png||height="625" width="1000"]]
1393 1393  
1394 -[[image:image-20220524094909-3.png||height="338" width="727"]]
1395 1395  
1417 +Your integration is added to the integrations list and it will display on the Integrations page.
1396 1396  
1397 -[[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1419 +[[image:thingseye-io-step-6.png||height="625" width="1000"]]
1398 1398  
1399 1399  
1400 -[[image:image-20220524094909-5.png||height="341" width="734"]]
1422 +== 3.6 Interface Details ==
1401 1401  
1402 -
1403 -== 3.6 Interface Detail ==
1404 -
1405 1405  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1406 1406  
1407 1407  
1408 -Support NPN Type sensor
1427 +Support NPN-type sensor
1409 1409  
1410 1410  [[image:1653356991268-289.png]]
1411 1411  
1412 1412  
1413 -=== 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1432 +=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) ===
1414 1414  
1415 1415  
1416 1416  (((
1417 -The DI port of LT-22222-L can support NPN or PNP output sensor.
1436 +The DI ports of the LT-22222-L can support **NPN**, **PNP**, or **dry contact** output sensors.
1418 1418  )))
1419 1419  
1420 1420  (((
1421 1421  (((
1422 -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. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high.
1441 +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.
1423 1423  
1424 1424  
1425 1425  )))
... ... @@ -1429,7 +1429,7 @@
1429 1429  
1430 1430  (((
1431 1431  (((
1432 -When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1451 +(% 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.
1433 1433  )))
1434 1434  )))
1435 1435  
... ... @@ -1438,22 +1438,22 @@
1438 1438  )))
1439 1439  
1440 1440  (((
1441 -(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1460 +(% style="color:#0000ff" %)**Example 1**(%%): Connecting to a low-active sensor.
1442 1442  )))
1443 1443  
1444 1444  (((
1445 -This type of sensor will output a low signal GND when active.
1464 +This type of sensor outputs a low (GND) signal when active.
1446 1446  )))
1447 1447  
1448 1448  * (((
1449 -Connect sensor's output to DI1-
1468 +Connect the sensor's output to DI1-
1450 1450  )))
1451 1451  * (((
1452 -Connect sensor's VCC to DI1+.
1471 +Connect the sensor's VCC to DI1+.
1453 1453  )))
1454 1454  
1455 1455  (((
1456 -So when sensor active, the current between NEC2501 pin1 and pin2 is
1475 +When the sensor is active, the current between NEC2501 pin 1 and pin 2 will be
1457 1457  )))
1458 1458  
1459 1459  (((
... ... @@ -1461,7 +1461,7 @@
1461 1461  )))
1462 1462  
1463 1463  (((
1464 -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.
1483 +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.
1465 1465  )))
1466 1466  
1467 1467  (((
... ... @@ -1469,22 +1469,22 @@
1469 1469  )))
1470 1470  
1471 1471  (((
1472 -(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1491 +(% style="color:#0000ff" %)**Example 2**(%%): Connecting to a high-active sensor.
1473 1473  )))
1474 1474  
1475 1475  (((
1476 -This type of sensor will output a high signal (example 24v) when active.
1495 +This type of sensor outputs a high signal (e.g., 24V) when active.
1477 1477  )))
1478 1478  
1479 1479  * (((
1480 -Connect sensor's output to DI1+
1499 +Connect the sensor's output to DI1+
1481 1481  )))
1482 1482  * (((
1483 -Connect sensor's GND DI1-.
1502 +Connect the sensor's GND DI1-.
1484 1484  )))
1485 1485  
1486 1486  (((
1487 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1506 +When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1488 1488  )))
1489 1489  
1490 1490  (((
... ... @@ -1492,7 +1492,7 @@
1492 1492  )))
1493 1493  
1494 1494  (((
1495 -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.
1514 +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.
1496 1496  )))
1497 1497  
1498 1498  (((
... ... @@ -1500,22 +1500,22 @@
1500 1500  )))
1501 1501  
1502 1502  (((
1503 -(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1522 +(% style="color:#0000ff" %)**Example 3**(%%): Connecting to a 220V high-active sensor.
1504 1504  )))
1505 1505  
1506 1506  (((
1507 -Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1526 +Assume that you want to monitor an active signal higher than 220V without damaging the photocoupler  
1508 1508  )))
1509 1509  
1510 1510  * (((
1511 -Connect sensor's output to DI1+ with a serial 50K resistor
1530 +Connect the sensor's output to DI1+ with a 50K resistor in series.
1512 1512  )))
1513 1513  * (((
1514 -Connect sensor's GND DI1-.
1533 +Connect the sensor's GND DI1-.
1515 1515  )))
1516 1516  
1517 1517  (((
1518 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1537 +When the sensor is active, the current between NEC2501 pin1 and pin2 will be:
1519 1519  )))
1520 1520  
1521 1521  (((
... ... @@ -1523,24 +1523,37 @@
1523 1523  )))
1524 1524  
1525 1525  (((
1526 -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.
1545 +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.
1527 1527  )))
1528 1528  
1529 1529  
1530 -=== 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1549 +(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
1531 1531  
1551 +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.
1532 1532  
1533 -**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1553 +To detect a Dry Contact, you can supply a power source to one pin of the Dry Contact. Below is a reference circuit diagram.
1534 1534  
1535 -Note: DO pins go to float when device is power off.
1555 +[[image:image-20230616235145-1.png]]
1536 1536  
1557 +(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector
1558 +
1559 +[[image:image-20240219115718-1.png]]
1560 +
1561 +
1562 +=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
1563 +
1564 +
1565 +(% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
1566 +
1567 +(% style="color:red" %)**Note: The DO pins will float when the device is powered off.**
1568 +
1537 1537  [[image:1653357531600-905.png]]
1538 1538  
1539 1539  
1540 -=== 3.6.4 Analog Input Interface ===
1572 +=== 3.6.4 Analog Input Interfaces ===
1541 1541  
1542 1542  
1543 -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:
1575 +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:
1544 1544  
1545 1545  
1546 1546  (% style="color:blue" %)**AC2 = (IN2 voltage )/12**
... ... @@ -1547,20 +1547,19 @@
1547 1547  
1548 1548  [[image:1653357592296-182.png]]
1549 1549  
1550 -Example to connect a 4~~20mA sensor
1582 +Example: Connecting a 4~~20mA sensor
1551 1551  
1552 -We take the wind speed sensor as an example for reference only.
1584 +We will use the wind speed sensor as an example for reference only.
1553 1553  
1554 1554  
1555 1555  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1556 1556  
1557 -**Red:  12~~24v**
1589 +(% style="color:red" %)**Red:  12~~24V**
1558 1558  
1559 -**Yellow:  4~~20mA**
1591 +(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1560 1560  
1561 1561  **Black:  GND**
1562 1562  
1563 -
1564 1564  **Connection diagram:**
1565 1565  
1566 1566  [[image:1653357640609-758.png]]
... ... @@ -1568,13 +1568,29 @@
1568 1568  [[image:1653357648330-671.png||height="155" width="733"]]
1569 1569  
1570 1570  
1602 +Example: Connecting to a regulated power supply to measure voltage
1603 +
1604 +[[image:image-20230608101532-1.png||height="606" width="447"]]
1605 +
1606 +[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1607 +
1608 +[[image:image-20230608101722-3.png||height="102" width="1139"]]
1609 +
1610 +
1611 +(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power supply**(% style="color:blue" %)**:**
1612 +
1613 +(% style="color:red" %)**Red:  12~~24v**
1614 +
1615 +**Black:  GND**
1616 +
1617 +
1571 1571  === 3.6.5 Relay Output ===
1572 1572  
1573 1573  
1574 1574  (((
1575 -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:
1622 +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:
1576 1576  
1577 -**Note**: RO pins go to Open(NO) when device is power off.
1624 +**Note**: The ROx pins will be in the Open (NO) state when the LT-22222-L is powered off.
1578 1578  )))
1579 1579  
1580 1580  [[image:image-20220524100215-9.png]]
... ... @@ -1586,20 +1586,41 @@
1586 1586  == 3.7 LEDs Indicators ==
1587 1587  
1588 1588  
1589 -[[image:image-20220524100748-11.png]]
1636 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1637 +|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1638 +|**PWR**|Always on if there is power
1639 +|**TX**|(((
1640 +(((
1641 +Device boot: TX blinks 5 times.
1642 +)))
1590 1590  
1644 +(((
1645 +Successful join network: TX ON for 5 seconds.
1646 +)))
1591 1591  
1592 -= 4. Use AT Command =
1648 +(((
1649 +Transmit a LoRa packet: TX blinks once
1650 +)))
1651 +)))
1652 +|**RX**|RX blinks once when receiving a packet.
1653 +|**DO1**|For LT-22222-L: ON when DO1 is low, OFF when DO1 is high
1654 +|**DO2**|For LT-22222-L: ON when DO2 is low, OFF when DO2 is high
1655 +|**DI1**|(((
1656 +For LT-22222-L: ON when DI1 is high, OFF when DI1 is low
1657 +)))
1658 +|**DI2**|(((
1659 +For LT-22222-L: ON when DI2 is high, OFF when DI2 is low
1660 +)))
1661 +|**RO1**|For LT-22222-L: ON when RO1 is closed, OFF when RO1 is open
1662 +|**RO2**|For LT-22222-L: ON when RO2 is closed, OFF when RO2 is open
1593 1593  
1594 -== 4.1 Access AT Command ==
1664 += 4. Using AT Command =
1595 1595  
1666 +== 4.1 Connecting the LT-22222-L to a computer ==
1596 1596  
1597 -(((
1598 -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.
1599 -)))
1600 1600  
1601 1601  (((
1602 -
1670 +The LT-22222-L supports programming using AT Commands. You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a computer, as shown below.
1603 1603  )))
1604 1604  
1605 1605  [[image:1653358238933-385.png]]
... ... @@ -1606,7 +1606,7 @@
1606 1606  
1607 1607  
1608 1608  (((
1609 -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:
1677 +On the PC, the user needs to set the (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) to a baud rate o(% style="color:green" %)**9600**(%%) to access to access serial console of LT-22222-L. The AT commands are disabled by default, and a password (default:(% style="color:green" %)**123456**)(%%) must be entered to active them, as shown below:
1610 1610  )))
1611 1611  
1612 1612  [[image:1653358355238-883.png]]
... ... @@ -1613,10 +1613,12 @@
1613 1613  
1614 1614  
1615 1615  (((
1616 -More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1684 +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 1618  
1619 1619  (((
1688 +The following table lists all the AT commands related to the LT-22222-L, except for those used for switching between modes.
1689 +
1620 1620  AT+<CMD>?        : Help on <CMD>
1621 1621  )))
1622 1622  
... ... @@ -1919,9 +1919,7 @@
1919 1919  **3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
1920 1920  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1921 1921  
1922 -**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5**
1923 -
1924 -
1992 +**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
1925 1925  )))
1926 1926  
1927 1927  (((
... ... @@ -1928,9 +1928,6 @@
1928 1928  [[image:1653359097980-169.png||height="188" width="729"]]
1929 1929  )))
1930 1930  
1931 -(((
1932 -
1933 -)))
1934 1934  
1935 1935  === 4.2.3 Change to Class A ===
1936 1936  
... ... @@ -1938,36 +1938,45 @@
1938 1938  (((
1939 1939  (% style="color:blue" %)**If sensor JOINED:**
1940 1940  
1941 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1942 -ATZ**
2006 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A**
2007 +
2008 +(% style="background-color:#dcdcdc" %)**ATZ**
1943 1943  )))
1944 1944  
1945 1945  
1946 -= 5. FAQ =
2012 += 5. Case Study =
1947 1947  
1948 -== 5.1 How to upgrade the image? ==
2014 +== 5.1 Counting how many objects pass through the flow Line ==
1949 1949  
1950 1950  
1951 -The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2017 +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]]?
1952 1952  
1953 -* Support new features
1954 -* For bug fix
2019 +
2020 += 6. FAQ =
2021 +
2022 +== 6.1 How to upgrade the image? ==
2023 +
2024 +
2025 +The LT-22222-L I/O Controller is shipped with a 3.5mm cable, which is used to upload an image to LT in order to:
2026 +
2027 +* Support new features.
2028 +* Fix bugs.
1955 1955  * Change LoRaWAN bands.
1956 1956  
1957 -Below shows the hardware connection for how to upload an image to the LT:
2031 +Below is the hardware connection setup for uploading an image to the LT:
1958 1958  
1959 1959  [[image:1653359603330-121.png]]
1960 1960  
1961 1961  
1962 1962  (((
1963 -(% 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]].
1964 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
1965 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2037 +(% style="color:#0000ff" %)**Step 1**(%%)**:** Download the F[[lash 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]].
2038 +(% style="color:#0000ff" %)**Step 2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
2039 +(% style="color:#0000ff" %)**Step 3**(%%)**:** Open the Flash Loader and choose the correct COM port to update.
1966 1966  
1967 1967  
1968 1968  (((
1969 1969  (% style="color:blue" %)**For LT-22222-L**(%%):
1970 -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.
2044 +Hold down the PRO button, then momentarily press the RST reset button. The (% style="color:red" %)**DO1 LED**(%%) will change from OFF to ON. When the (% style="color:red" %)**DO1 LED**(%%) is ON, it indicates that the device is in download mode.
1971 1971  )))
1972 1972  
1973 1973  
... ... @@ -1975,20 +1975,21 @@
1975 1975  
1976 1976   [[image:image-20220524103407-12.png]]
1977 1977  
2052 +
1978 1978  [[image:image-20220524103429-13.png]]
1979 1979  
2055 +
1980 1980  [[image:image-20220524104033-15.png]]
1981 1981  
1982 1982  
1983 -(% 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:
2059 +(% 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:
1984 1984  
1985 -
1986 1986  [[image:1653360054704-518.png||height="186" width="745"]]
1987 1987  
1988 1988  
1989 1989  (((
1990 1990  (((
1991 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
2066 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1992 1992  
1993 1993  
1994 1994  )))
... ... @@ -1995,13 +1995,13 @@
1995 1995  )))
1996 1996  
1997 1997  (((
1998 -User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
2073 +You can follow the introductions o[[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When downloading, select the required image file.
1999 1999  )))
2000 2000  
2001 2001  (((
2002 2002  
2003 2003  
2004 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2079 +== 6.3 How to set up LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2005 2005  
2006 2006  
2007 2007  )))
... ... @@ -2008,13 +2008,13 @@
2008 2008  
2009 2009  (((
2010 2010  (((
2011 -In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
2086 +In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
2012 2012  )))
2013 2013  )))
2014 2014  
2015 2015  (((
2016 2016  (((
2017 -Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2092 +Assume you have an LG02 working on the frequency 868400000. Below are the steps.
2018 2018  
2019 2019  
2020 2020  )))
... ... @@ -2021,7 +2021,7 @@
2021 2021  )))
2022 2022  
2023 2023  (((
2024 -(% 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.
2099 +(% 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.
2025 2025  
2026 2026  
2027 2027  )))
... ... @@ -2046,13 +2046,21 @@
2046 2046  
2047 2047  (((
2048 2048  (% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2124 +
2049 2049  (% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2126 +
2050 2050  (% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2128 +
2051 2051  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2130 +
2052 2052  (% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2132 +
2053 2053  (% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2134 +
2054 2054  (% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2136 +
2055 2055  (% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2138 +
2056 2056  (% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2057 2057  )))
2058 2058  
... ... @@ -2064,23 +2064,29 @@
2064 2064  [[image:1653360498588-932.png||height="485" width="726"]]
2065 2065  
2066 2066  
2067 -== 5.4 Can I see counting event in Serial? ==
2150 +== 6.4 How to change the uplink interval? ==
2068 2068  
2069 2069  
2153 +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/]]
2154 +
2155 +
2156 +== 6.5 Can I see the counting event in Serial? ==
2157 +
2158 +
2070 2070  (((
2071 2071  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.
2072 2072  
2073 2073  
2074 -== 5.5 Can i use point to point communication for LT-22222-L? ==
2163 +== 6.6 Can I use point-to-point communication with LT-22222-L? ==
2075 2075  
2076 2076  
2077 -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]].
2166 +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]].
2078 2078  
2079 2079  
2080 2080  )))
2081 2081  
2082 2082  (((
2083 -== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2172 +== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2084 2084  
2085 2085  
2086 2086  If the device is not shut down, but directly powered off.
... ... @@ -2092,7 +2092,7 @@
2092 2092  After restart, the status before power failure will be read from flash.
2093 2093  
2094 2094  
2095 -== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2184 +== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2096 2096  
2097 2097  
2098 2098  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2101,18 +2101,24 @@
2101 2101  [[image:image-20221006170630-1.png||height="610" width="945"]]
2102 2102  
2103 2103  
2104 -== 5.Can LT22222-L save RO state? ==
2193 +== 6.9 Can LT22222-L save RO state? ==
2105 2105  
2106 2106  
2107 2107  Firmware version needs to be no less than 1.6.0.
2108 2108  
2109 2109  
2110 -= 6. Trouble Shooting =
2199 +== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2200 +
2201 +
2202 +It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2203 +
2204 +
2205 += 7. Trouble Shooting =
2111 2111  )))
2112 2112  
2113 2113  (((
2114 2114  (((
2115 -== 6.1 Downlink doesn't work, how to solve it? ==
2210 +== 7.1 Downlink doesn't work, how to solve it? ==
2116 2116  
2117 2117  
2118 2118  )))
... ... @@ -2125,7 +2125,7 @@
2125 2125  (((
2126 2126  
2127 2127  
2128 -== 6.2 Have trouble to upload image. ==
2223 +== 7.2 Have trouble to upload image. ==
2129 2129  
2130 2130  
2131 2131  )))
... ... @@ -2137,7 +2137,7 @@
2137 2137  (((
2138 2138  
2139 2139  
2140 -== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2235 +== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2141 2141  
2142 2142  
2143 2143  )))
... ... @@ -2147,9 +2147,16 @@
2147 2147  )))
2148 2148  
2149 2149  
2150 -= 7. Order Info =
2245 +== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2151 2151  
2152 2152  
2248 +The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2249 +Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2250 +
2251 +
2252 += 8. Order Info =
2253 +
2254 +
2153 2153  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2154 2154  
2155 2155  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2164,10 +2164,9 @@
2164 2164  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2165 2165  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2166 2166  
2269 += 9. Packing Info =
2167 2167  
2168 -= 8. Packing Info =
2169 2169  
2170 -
2171 2171  **Package Includes**:
2172 2172  
2173 2173  * LT-22222-L I/O Controller x 1
... ... @@ -2182,25 +2182,22 @@
2182 2182  * Package Size / pcs : 14.5 x 8 x 5 cm
2183 2183  * Weight / pcs : 170g
2184 2184  
2286 += 10. Support =
2185 2185  
2186 -= 9. Support =
2187 2187  
2188 -
2189 2189  * (((
2190 2190  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.
2191 2191  )))
2192 2192  * (((
2193 -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.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2293 +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]]
2194 2194  
2195 2195  
2196 2196  
2197 2197  )))
2198 2198  
2199 -= 10. Reference​​​​​ =
2299 += 11. Reference​​​​​ =
2200 2200  
2201 2201  
2202 2202  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2203 2203  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2204 2204  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2205 -
2206 -
image-20230424115112-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +27.1 KB
Content
image-20230425173351-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +207.8 KB
Content
image-20230425173427-2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +150.1 KB
Content
image-20230426161322-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Bei
Size
... ... @@ -1,0 +1,1 @@
1 +15.2 KB
Content
image-20230608101532-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Bei
Size
... ... @@ -1,0 +1,1 @@
1 +563.0 KB
Content
image-20230608101608-2.jpeg
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Bei
Size
... ... @@ -1,0 +1,1 @@
1 +287.8 KB
Content
image-20230608101722-3.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Bei
Size
... ... @@ -1,0 +1,1 @@
1 +25.4 KB
Content
image-20230616235145-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Edwin
Size
... ... @@ -1,0 +1,1 @@
1 +19.4 KB
Content
image-20240219115718-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Edwin
Size
... ... @@ -1,0 +1,1 @@
1 +27.7 KB
Content
lt-22222-l-dev-repo-p1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.pradeeka
Size
... ... @@ -1,0 +1,1 @@
1 +391.8 KB
Content
lt-22222-l-dev-repo-reg-p1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.pradeeka
Size
... ... @@ -1,0 +1,1 @@
1 +391.7 KB
Content
lt-22222-l-dev-repo-reg-p2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.pradeeka
Size
... ... @@ -1,0 +1,1 @@
1 +319.1 KB
Content
lt-22222-l-manually-p1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.pradeeka
Size
... ... @@ -1,0 +1,1 @@
1 +306.6 KB
Content
lt-22222-l-manually-p2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.pradeeka
Size
... ... @@ -1,0 +1,1 @@
1 +279.1 KB
Content
thingseye-io-step-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.pradeeka
Size
... ... @@ -1,0 +1,1 @@
1 +191.8 KB
Content
thingseye-io-step-2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.pradeeka
Size
... ... @@ -1,0 +1,1 @@
1 +260.3 KB
Content
thingseye-io-step-3.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.pradeeka
Size
... ... @@ -1,0 +1,1 @@
1 +336.6 KB
Content
thingseye-io-step-4.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.pradeeka
Size
... ... @@ -1,0 +1,1 @@
1 +361.1 KB
Content
thingseye-io-step-5.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.pradeeka
Size
... ... @@ -1,0 +1,1 @@
1 +292.1 KB
Content
thingseye-io-step-6.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.pradeeka
Size
... ... @@ -1,0 +1,1 @@
1 +203.8 KB
Content
tts-mqtt-integration.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.pradeeka
Size
... ... @@ -1,0 +1,1 @@
1 +306.4 KB
Content