Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 4.2 >
edited by Xiaoling
on 2022/05/23 17:00
To version < 16.1 >
edited by Xiaoling
on 2022/05/23 18:04
>
Change comment: Uploaded new attachment "image-20220523180452-3.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -43,11 +43,9 @@
43 43  **Hardware System:**
44 44  
45 45  * STM32L072CZT6 MCU
46 -* SX1276/78 Wireless Chip
46 +* SX1276/78 Wireless Chip 
47 47  * Power Consumption:
48 48  ** Idle: 4mA@12v
49 -
50 -*
51 51  ** 20dB Transmit: 34mA@12v
52 52  
53 53  **Interface for Model: LT22222-L:**
... ... @@ -57,7 +57,7 @@
57 57  * 2 x Relay Output (5A@250VAC / 30VDC)
58 58  * 2 x 0~~20mA Analog Input (res:0.01mA)
59 59  * 2 x 0~~30V Analog Input (res:0.01v)
60 -* Power Input 7~~ 24V DC.
58 +* Power Input 7~~ 24V DC. 
61 61  
62 62  **LoRa Spec:**
63 63  
... ... @@ -90,7 +90,7 @@
90 90  * Firmware upgradable via program port
91 91  * Counting
92 92  
93 -== 1.4  Applications​​​​​​​ ==
91 +== 1.4  Applications ==
94 94  
95 95  * Smart Buildings & Home Automation
96 96  * Logistics and Supply Chain Management
... ... @@ -101,9 +101,9 @@
101 101  
102 102  == 1.5 Hardware Variants ==
103 103  
104 -(% border="1" style="background-color:#f7faff; width:566px" %)
105 -|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:329px" %)**Description**
106 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:329px" %)(((
102 +(% border="1" style="background-color:#f7faff; width:500px" %)
103 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
104 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
107 107  * 2 x Digital Input (Bi-direction)
108 108  * 2 x Digital Output
109 109  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -112,138 +112,92 @@
112 112  * 1 x Counting Port
113 113  )))
114 114  
113 += 2. Power ON Device =
115 115  
116 -
117 -1.
118 -11. Firmware Change log
119 -
120 -[[**LT Image files**>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]**:**
121 -
122 -http:~/~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/
123 -
124 -
125 -**Change log:**
126 -
127 -[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/&file=changelog>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/&file=changelog]]
128 -
129 -
130 -
131 -1. Power ON Device
132 -
133 -
134 134  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.
135 135  
117 +(((
136 136  PWR will on when device is properly powered.
119 +)))
137 137  
138 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
121 +[[image:1653297104069-180.png]]
139 139  
123 += 3. Operation Mode =
140 140  
125 +== 3.1 How it works? ==
141 141  
127 +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 **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **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. 
142 142  
143 -
144 -1. Operation Mode
145 -11. How it works?
146 -
147 -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 TX LED will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. 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. 
148 -
149 -
150 150  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>>path:#AT_Command]] to set the keys in the devices.
151 151  
131 +3.2 Example to join LoRaWAN network
152 152  
153 -1.
154 -11. Example to join LoRaWAN network
133 +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. 
155 155  
156 -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.
135 +[[image:image-20220523172350-1.png||height="266" width="864"]]
157 157  
158 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
159 159  
160 -
138 +(((
161 161  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:
140 +)))
162 162  
142 +(((
163 163  **Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
144 +)))
164 164  
146 +(((
165 165  Each LT is shipped with a sticker with the default device EUI as below:
148 +)))
166 166  
167 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
150 +[[image:1653297924498-393.png]]
168 168  
169 -
170 -
171 -
172 172  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
173 173  
174 174  Add APP EUI in the application.
175 175  
176 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
156 +[[image:1653297955910-247.png||height="321" width="716"]]
177 177  
178 178  Add APP KEY and DEV EUI
179 179  
180 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
160 +[[image:1653298023685-319.png]]
181 181  
162 +(((
182 182  **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.
164 +)))
183 183  
184 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
166 +[[image:1653298044601-602.png||height="405" width="709"]]
185 185  
168 +== 3.3 Uplink Payload ==
186 186  
187 -1.
188 -11. Uplink Payload
189 -
190 190  There are five working modes + one interrupt mode on LT for different type application:
191 191  
192 -* [[MOD1>>path:#MOD1]]: (default setting): 2 x ACI + 2AVI + DI + DO + RO
193 -* [[MOD2>>path:#MOD2]]: Double DI Counting + DO + RO
194 -* [[MOD3>>path:#MOD3]]: Single DI Counting + 2 x ACI + DO + RO
195 -* [[MOD4>>path:#MOD4]]: Single DI Counting + 1 x Voltage Counting + DO + RO
196 -* [[MOD5>>path:#MOD5]]: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
197 -* [[ADDMOD6>>path:#MOD6]]: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
172 +* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
173 +* **MOD2**: Double DI Counting + DO + RO
174 +* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
175 +* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
176 +* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
177 +* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
198 198  
179 +=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
199 199  
200 -1.
201 -11.
202 -111. AT+MOD=1, 2ACI+2AVI
203 -
204 204  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
205 205  
183 +[[image:image-20220523174024-3.png]]
206 206  
207 -|Size(bytes)|2|2|2|2|1|1|1
208 -|Value|(((
209 -AVI1
185 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
210 210  
211 -voltage
212 -)))|(((
213 -AVI2
187 +[[image:image-20220523174254-4.png]]
214 214  
215 -voltage
216 -)))|(((
217 -ACI1
218 -
219 -Current
220 -)))|(((
221 -ACI2
222 -
223 -Current
224 -)))|DIDORO*|(((
225 -Reserve
226 -
227 -
228 -)))|MOD
229 -
230 -
231 -**DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
232 -
233 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
234 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
235 -
236 236  * RO is for relay. ROx=1 : close，ROx=0 always open.
237 237  * DI is for digital input. DIx=1: high or float, DIx=0: low.
238 238  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
239 239  
240 -Note: DI3 and DO3 bit are not valid for LT-22222-L
193 +(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
241 241  
195 +For example if payload is: [[image:image-20220523175847-2.png]]
242 242  
243 -For example if payload is: 04 AB 04 AC 13 10 13 00 AA FF 01
197 +**The value for the interface is:  **
244 244  
245 -The value for the interface is:
246 -
247 247  AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
248 248  
249 249  AVI2 channel voltage is 0x04AC/1000=1.196V
... ... @@ -257,18 +257,11 @@
257 257  * [1] RO1 relay channel is close and the RO1 LED is ON.
258 258  * [0] RO2 relay channel is open and RO2 LED is OFF;
259 259  
260 -LT33222-L:
212 +**LT22222-L:**
261 261  
262 -* [1] DI3 channel is high input and DI3 LED is OFF;
263 -* [0] DI2 channel is low input;
264 -* [1] DI1 channel is high input and DI1 LED is OFF;
265 -
266 -LT22222-L:
267 -
268 268  * [1] DI2 channel is high input and DI2 LED is ON;
269 269  * [0] DI1 channel is low input;
270 270  
271 -
272 272  * [0] DO3 channel output state
273 273  ** DO3 is float in case no load between DO3 and V+.;
274 274  ** DO3 is high in case there is load between DO3 and V+.
... ... @@ -279,19 +279,13 @@
279 279  ** DO1 is high in case there is load between DO1 and V+.
280 280  ** DO1 LED is off in both case
281 281  
227 +=== 3.3.2 AT+MOD~=2, (Double DI Counting) ===
282 282  
283 -
284 -1.
285 -11.
286 -111. AT+MOD=2, (Double DI Counting)
287 -
288 -**For LT-33222-L**: this mode the **DI3** is used as a counting pin. Counting on DI3 reflect in COUNT1.
289 -
290 290  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
291 291  
292 -
293 293  Total : 11 bytes payload
294 294  
233 +(% border="1" style="background-color:#f7faff; height:10px; width:500px" %)
295 295  |Size(bytes)|4|4|1|1|1
296 296  |Value|COUNT1|COUNT2 |DIDORO*|(((
297 297  Reserve
... ... @@ -299,9 +299,9 @@
299 299  
300 300  )))|MOD
301 301  
302 -
303 303  **DIDORO** is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
304 304  
243 +(% border="1" style="background-color:#f7faff; width:500px" %)
305 305  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
306 306  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
307 307  
... ... @@ -363,6 +363,7 @@
363 363  **LT22222-L**: This mode the DI1 is used as a counting pin.
364 364  
365 365  
305 +(% border="1" style="background-color:#f7faff" %)
366 366  |Size(bytes)|4|2|2|1|1|1
367 367  |Value|COUNT1|(((
368 368  ACI1
... ... @@ -374,9 +374,9 @@
374 374  Current
375 375  )))|DIDORO*|Reserve|MOD
376 376  
377 -
378 378  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
379 379  
319 +(% border="1" style="background-color:#f7faff" %)
380 380  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
381 381  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
382 382  
... ... @@ -411,6 +411,7 @@
411 411  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.
412 412  
413 413  
354 +(% border="1" style="background-color:#f7faff" %)
414 414  |Size(bytes)|4|4|1|1|1
415 415  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
416 416  Reserve
... ... @@ -418,9 +418,9 @@
418 418  
419 419  )))|MOD
420 420  
421 -
422 422  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
423 423  
364 +(% border="1" style="background-color:#f7faff" %)
424 424  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
425 425  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
426 426  
... ... @@ -457,12 +457,12 @@
457 457  11.
458 458  111. AT+MOD=5, Single DI Counting + 2 x AVI + 1 x ACI
459 459  
460 -
461 461  **LT33222-L**: This mode the DI3 is used as a counting pin.
462 462  
463 463  **LT22222-L**: This mode the DI1 is used as a counting pin.
464 464  
465 465  
406 +(% border="1" style="background-color:#f7faff" %)
466 466  |Size(bytes)|2|2|2|2|1|1|1
467 467  |Value|(((
468 468  AVI1
... ... @@ -482,10 +482,9 @@
482 482  
483 483  )))|MOD
484 484  
485 -
486 -
487 487  **DIDORO** is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
488 488  
428 +(% border="1" style="background-color:#f7faff" %)
489 489  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
490 490  |RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
491 491  
... ... @@ -513,7 +513,6 @@
513 513  11.
514 514  111. AT+ADDMOD=6. (Trigger Mode, Optional)
515 515  
516 -
517 517  **This mode is an optional mode for trigger purpose. It can run together with other mode.**
518 518  
519 519  For example, if user has configured below commands:
... ... @@ -521,13 +521,11 @@
521 521  * AT+MOD=1   à The normal working mode
522 522  * AT+ADDMOD6=1    à Enable trigger
523 523  
524 -
525 525  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
526 526  
527 527  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN **unconfirmed** data type
528 528  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 **CONFIRMED data type.**
529 529  
530 -
531 531  **AT Command to set Trigger Condition**:
532 532  
533 533  **Trigger base on voltage**:
... ... @@ -598,6 +598,7 @@
598 598  
599 599  MOD6 Payload : total 11 bytes payload
600 600  
538 +(% border="1" style="background-color:#f7faff" %)
601 601  |Size(bytes)|1|1|1|6|1|1
602 602  |Value|(((
603 603  TRI_A
... ... @@ -617,10 +617,9 @@
617 617  (6)
618 618  )))
619 619  
620 -
621 -
622 622  **TRI FLAG1** is a combination to show if trigger is set for this part. Totally 1byte as below
623 623  
560 +(% border="1" style="background-color:#f7faff" %)
624 624  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
625 625  |(((
626 626  AV1_
... ... @@ -665,6 +665,7 @@
665 665  
666 666  **TRI Status1** is a combination to show which condition is trigger. Totally 1byte as below
667 667  
605 +(% border="1" style="background-color:#f7faff" %)
668 668  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
669 669  |(((
670 670  AV1_
... ... @@ -711,6 +711,7 @@
711 711  
712 712  **TRI_DI FLAG+STA **is a combination to show which condition is trigger. Totally 1byte as below
713 713  
652 +(% border="1" style="background-color:#f7faff" %)
714 714  |bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
715 715  |N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
716 716  
... ... @@ -737,7 +737,6 @@
737 737  11.
738 738  111. Payload Decoder
739 739  
740 -
741 741  **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
742 742  
743 743  
... ... @@ -757,12 +757,10 @@
757 757  
758 758  * **Sensor Related Commands**: These commands are special designed for LT-22222-L.  User can see these commands below:
759 759  
760 -
761 761  1.
762 762  11.
763 763  111. Common Commands:
764 764  
765 -
766 766  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
767 767  
768 768  
... ... @@ -770,7 +770,6 @@
770 770  11.
771 771  111. Sensor related commands:
772 772  
773 -
774 774  ==== Set Transmit Interval ====
775 775  
776 776  Set device uplink interval.
... ... @@ -970,6 +970,7 @@
970 970  
971 971  01: Low,  00: High ,  11: No action
972 972  
908 +(% border="1" style="background-color:#f7faff" %)
973 973  |Downlink Code|DO1|DO2|DO3
974 974  |02  01  00  11|Low|High|No Action
975 975  |02  00  11  01|High|No Action|Low
... ... @@ -1007,22 +1007,23 @@
1007 1007  
1008 1008  **Third Byte**: Control Method and Ports status:
1009 1009  
946 +(% border="1" style="background-color:#f7faff" %)
1010 1010  |Second Byte|Status
1011 1011  |0x01|DO1 set to low
1012 1012  |0x00|DO1 set to high
1013 1013  |0x11|DO1 NO Action
1014 1014  
1015 -
1016 1016  **Fourth Byte**: Control Method and Ports status:
1017 1017  
954 +(% border="1" style="background-color:#f7faff" %)
1018 1018  |Second Byte|Status
1019 1019  |0x01|DO2 set to low
1020 1020  |0x00|DO2 set to high
1021 1021  |0x11|DO2 NO Action
1022 1022  
1023 -
1024 1024  **Fifth Byte**: Control Method and Ports status:
1025 1025  
962 +(% border="1" style="background-color:#f7faff" %)
1026 1026  |Second Byte|Status
1027 1027  |0x01|DO3 set to low
1028 1028  |0x00|DO3 set to high
... ... @@ -1075,6 +1075,7 @@
1075 1075  
1076 1076  01: Close ,  00: Open , 11: No action
1077 1077  
1015 +(% border="1" style="background-color:#f7faff" %)
1078 1078  |Downlink Code|RO1|RO2
1079 1079  |03  00  11|Open|No Action
1080 1080  |03  01  11|Close|No Action
... ... @@ -1112,6 +1112,7 @@
1112 1112  
1113 1113  **Third Byte(bb)**: Control Method and Ports status:
1114 1114  
1053 +(% border="1" style="background-color:#f7faff" %)
1115 1115  |Value|Status
1116 1116  |0x11|RO1 and RO2 to NO
1117 1117  |0x10|RO2 to NO, RO1 to NC
... ... @@ -1122,7 +1122,6 @@
1122 1122  |0x02|RO1 to NC, RO2 No Action
1123 1123  |0x12|RO1 to NO, RO2 No Action
1124 1124  
1125 -
1126 1126  **Fourth / Fifth Bytes (cc)**: Latching time. Unit: ms
1127 1127  
1128 1128  Device will upload a packet if downlink code executes successfully.
... ... @@ -1227,7 +1227,6 @@
1227 1227  1.
1228 1228  11. Integrate with Mydevice
1229 1229  
1230 -
1231 1231  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:
1232 1232  
1233 1233  
... ... @@ -1272,7 +1272,7 @@
1272 1272  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
1273 1273  
1274 1274  
1275 -1.
1212 +1.
1276 1276  11. Interface Detail
1277 1277  111. Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active )
1278 1278  
... ... @@ -1282,7 +1282,7 @@
1282 1282  
1283 1283  
1284 1284  
1285 -1.
1222 +1.
1286 1286  11.
1287 1287  111. Digital Input Port: DI1/DI2 ( For LT-22222-L)
1288 1288  
... ... @@ -1325,7 +1325,7 @@
1325 1325  
1326 1326  **Example3**: Connect to a 220v high active sensor.公司测试一下
1327 1327  
1328 -Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler 
1265 +Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1329 1329  
1330 1330  * Connect sensor’s output to DI1+ with a serial 50K resistor
1331 1331  * Connect sensor’s GND DI1-.
... ... @@ -1348,7 +1348,7 @@
1348 1348  
1349 1349  
1350 1350  
1351 -1.
1288 +1.
1352 1352  11.
1353 1353  111. Analog Input Interface
1354 1354  
... ... @@ -1381,7 +1381,7 @@
1381 1381  
1382 1382  
1383 1383  
1384 -1.
1321 +1.
1385 1385  11.
1386 1386  111. Relay Output
1387 1387  
... ... @@ -1396,10 +1396,10 @@
1396 1396  
1397 1397  
1398 1398  
1399 -1.
1336 +1.
1400 1400  11. LEDs Indicators
1401 1401  
1402 -
1339 +(% border="1" style="background-color:#f7faff" %)
1403 1403  |**LEDs**|**Feature**
1404 1404  |**PWR**|Always on if there is power
1405 1405  |**SYS**|After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
... ... @@ -1434,8 +1434,6 @@
1434 1434  |**RO2**|
1435 1435  
1436 1436  
1437 -
1438 -
1439 1439  1. Use AT Command
1440 1440  11. Access AT Command
1441 1441  
... ... @@ -1608,11 +1608,10 @@
1608 1608  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1609 1609  
1610 1610  
1611 -1.
1546 +1.
1612 1612  11.
1613 1613  111. Change to Class A
1614 1614  
1615 -
1616 1616  If sensor JOINED
1617 1617  
1618 1618  AT+CLASS=A
... ... @@ -1625,7 +1625,6 @@
1625 1625  
1626 1626  1. FAQ
1627 1627  
1628 -
1629 1629  1.
1630 1630  11. How to upgrade the image?
1631 1631  
... ... @@ -1635,7 +1635,6 @@
1635 1635  * For bug fix
1636 1636  * Change LoRaWAN bands.
1637 1637  
1638 -
1639 1639  Below shows the hardware connection for how to upload an image to the LT:
1640 1640  
1641 1641  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
... ... @@ -1680,7 +1680,7 @@
1680 1680  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]]
1681 1681  
1682 1682  
1683 -1.
1615 +1.
1684 1684  11. How to change the LoRa Frequency Bands/Region?
1685 1685  
1686 1686  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1729,7 +1729,7 @@
1729 1729  
1730 1730  
1731 1731  
1732 -1.
1664 +1.
1733 1733  11. Can I see counting event in Serial?
1734 1734  
1735 1735  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.
... ... @@ -1765,7 +1765,6 @@
1765 1765  
1766 1766  1. Order Info
1767 1767  
1768 -
1769 1769  **For LT-33222-L-XXX or LT-22222-L-XXX:**
1770 1770  
1771 1771  **XXX:**
... ... @@ -1780,7 +1780,6 @@
1780 1780  * **IN865**: LT with frequency bands IN865
1781 1781  * **CN779**: LT with frequency bands CN779
1782 1782  
1783 -
1784 1784  1. Packing Info
1785 1785  
1786 1786  **Package Includes**:
... ... @@ -1790,7 +1790,6 @@
1790 1790  * Bracket for controller x1
1791 1791  * Program cable x 1
1792 1792  
1793 -
1794 1794  **Dimension and weight**:
1795 1795  
1796 1796  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1798,7 +1798,6 @@
1798 1798  * Package Size / pcs : 14.5 x 8 x 5 cm
1799 1799  * Weight / pcs : 170g
1800 1800  
1801 -
1802 1802  1. Support
1803 1803  
1804 1804  * 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.
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