Last modified by Xiaoling on 2025/04/23 15:56
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From version < 57.19 >
edited by Xiaoling
on 2022/06/06 09:12
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Summary

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1 1  (% style="text-align:center" %)
2 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1653266934636-343.png?width=385&height=385&rev=1.1||alt="1653266934636-343.png" height="385" width="385"]]
2 +[[image:1653266934636-343.png||height="385" width="385"]]
3 3  
4 4  
5 5  
... ... @@ -6,70 +6,12 @@
6 6  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 -
10 -
11 11  **Table of Contents:**
12 12  
13 -* [[1.Introduction>>path:#H1.Introduction]]
14 -** [[1.1 What is RS485-LN RS485 to LoRaWAN Converter>>path:#H1.1A0WhatisRS485-LNRS485toLoRaWANConverter]]
15 -** [[1.2 Specifications>>path:#H1.2A0Specifications]]
16 -** [[1.3 Features>>path:#H1.3Features]]
17 -** [[1.4 Applications>>path:#H1.4A0Applications]]
18 -** [[1.5 Firmware Change log>>path:#H1.5A0FirmwareChangelog]]
19 -** [[1.6 Hardware Change log>>path:#H1.6HardwareChangelog]]
20 -* [[2. Power ON Device>>path:#H2.PowerONDevice]]
21 -* [[3. Operation Mode>>path:#H3.A0OperationMode]]
22 -** [[3.1 How it works?>>path:#H3.1Howitworks3F]]
23 -** [[3.2 Example to join LoRaWAN network>>path:#H3.2ExampletojoinLoRaWANnetwork]]
24 -** [[3.3 Configure Commands to read data>>path:#H3.3ConfigureCommandstoreaddata]]
25 -*** [[3.3.1 onfigure UART settings for RS485 or TTL communication>>path:#H3.3.1onfigureUARTsettingsforRS485orTTLcommunication]]
26 -*** [[3.3.2 Configure sensors>>path:#H3.3.2Configuresensors]]
27 -*** [[3.3.3 Configure read commands for each sampling>>path:#H3.3.3Configurereadcommandsforeachsampling]]
28 -*** [[3.3.4 Compose the uplink payload>>path:#H3.3.4Composetheuplinkpayload]]
29 -*** [[3.3.5 Uplink on demand>>path:#H3.3.5Uplinkondemand]]
30 -*** [[3.3.6 Uplink on Interrupt>>path:#H3.3.6UplinkonInterrupt]]
31 -** [[3.4 Uplink Payload>>path:#H3.4UplinkPayload]]
32 -** [[3.5 Configure RS485-BL via AT or Downlink>>path:#H3.5ConfigureRS485-BLviaATorDownlink]]
33 -*** [[3.5.1 Common Commands>>path:#H3.5.1CommonCommands]]
34 -*** [[3.5.2 Sensor related commands>>path:#H3.5.2Sensorrelatedcommands]]
35 -*** [[3.5.3 Sensor related commands>>path:#H3.5.3A0Sensorrelatedcommands]]
36 -**** [[RS485 Debug Command>>path:#HRS485DebugCommand]]
37 -**** [[Set Payload version>>path:#HSetPayloadversion]]
38 -**** [[Set RS485 Sampling Commands>>path:#HSetRS485SamplingCommands]]
39 -**** [[Fast command to handle MODBUS device>>path:#HFastcommandtohandleMODBUSdevice]]
40 -**** [[RS485 command timeout>>path:#HRS485commandtimeout]]
41 -**** [[Uplink payload mode>>path:#HUplinkpayloadmode]]
42 -**** [[Manually trigger an Uplink>>path:#HManuallytriggeranUplink]]
43 -**** [[Clear RS485 Command>>path:#HClearRS485Command]]
44 -**** [[Set Serial Communication Parameters>>path:#HSetSerialCommunicationParameters]]
45 -** [[3.6 Listening mode for RS485 network>>path:#H3.6A0ListeningmodeforRS485network]]
46 -** [[3.7 Buttons>>path:#H3.7Buttons]]
47 -** [[3.8 LEDs>>path:#H3.8LEDs]]
48 -* [[4. Case Study>>path:#H4.CaseStudy]]
49 -* [[5. Use AT Command>>path:#H5.UseATCommand]]
50 -** [[5.1 Access AT Command>>path:#H5.1AccessATCommand]]
51 -** [[5.2 Common AT Command Sequence>>path:#H5.2CommonATCommandSequence]]
52 -*** [[5.2.1 Multi-channel ABP mode (Use with SX1301/LG308)>>path:#H5.2.1Multi-channelABPmode28UsewithSX13012FLG30829]]
53 -*** [[5.5.2 Single-channel ABP mode (Use with LG01/LG02)>>path:#H5.5.2Single-channelABPmode28UsewithLG012FLG0229]]
54 -* [[6. FAQ>>path:#H6.FAQ]]
55 -** [[6.1 How to upgrade the image?>>path:#H6.1Howtoupgradetheimage3F]]
56 -** [[6.2 How to change the LoRa Frequency Bands/Region?>>path:#H6.2HowtochangetheLoRaFrequencyBands2FRegion3F]]
57 -** [[6.3 How many RS485-Slave can RS485-BL connects?>>path:#H6.3HowmanyRS485-SlavecanRS485-BLconnects3F]]
58 -** [[6.4 Compatible question to ChirpStack and TTI LoRaWAN server ?>>path:#H6.4CompatiblequestiontoChirpStackandTTILoRaWANserver3F]]
59 -* [[7. Trouble Shooting>>path:#H7.TroubleShooting]]
60 -** [[7.1 Downlink doesn’t work, how to solve it?>>path:#H7.1Downlinkdoesn2019twork2Chowtosolveit3F]]
61 -** [[7.2 Why I can’t join TTN V3 in US915 /AU915 bands?>>path:#H7.2WhyIcan2019tjoinTTNV3inUS9152FAU915bands3F]]
62 -* [[8. Order Info>>path:#H8.OrderInfo]]
63 -* [[9.Packing Info>>path:#H9.PackingInfo]]
64 -* [[10. FCC Caution for RS485LN-US915>>path:#H10.FCCCautionforRS485LN-US915]]
65 -* [[11. Support>>path:#H11.Support]]
66 66  
67 67  
68 68  
69 69  
70 -
71 -
72 -
73 73  = 1.Introduction =
74 74  
75 75  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -94,7 +94,7 @@
94 94  )))
95 95  )))
96 96  
97 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1653267211009-519.png?width=724&height=419&rev=1.1||alt="1653267211009-519.png" height="419" width="724"]]
39 +[[image:1653267211009-519.png||height="419" width="724"]]
98 98  
99 99  
100 100  == 1.2 Specifications ==
... ... @@ -132,7 +132,7 @@
132 132  * Preamble detection.
133 133  * 127 dB Dynamic Range RSSI.
134 134  * Automatic RF Sense and CAD with ultra-fast AFC.
135 -* Packet engine up to 256 bytes with CRC
77 +* Packet engine up to 256 bytes with CRC.
136 136  
137 137  == 1.3 Features ==
138 138  
... ... @@ -183,7 +183,7 @@
183 183  Once there is power, the RS485-LN will be on.
184 184  )))
185 185  
186 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1653268091319-405.png?rev=1.1||alt="1653268091319-405.png"]]
128 +[[image:1653268091319-405.png]]
187 187  
188 188  
189 189  )))
... ... @@ -202,7 +202,7 @@
202 202  
203 203  Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. 
204 204  
205 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1653268155545-638.png?width=724&height=334&rev=1.1||alt="1653268155545-638.png" height="334" width="724"]]
147 +[[image:1653268155545-638.png||height="334" width="724"]]
206 206  
207 207  
208 208  (((
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214 214  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
215 215  )))
216 216  
217 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1653268227651-549.png?width=720&height=592&rev=1.1||alt="1653268227651-549.png" height="592" width="720"]]
159 +[[image:1653268227651-549.png||height="592" width="720"]]
218 218  
219 219  (((
220 -The LG308 is already set to connect to (% class="wikiinternallink" %)[[TTN V3 network >>url:https://www.thethingsnetwork.org/]](%%). So what we need to now is only configure the TTN V3:
162 +The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
221 221  )))
222 222  
223 223  (((
... ... @@ -229,7 +229,7 @@
229 229  )))
230 230  )))
231 231  
232 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1652953462722-299.png?rev=1.1||alt="1652953462722-299.png"]]
174 +[[image:1652953462722-299.png]]
233 233  
234 234  (((
235 235  (((
... ... @@ -241,21 +241,21 @@
241 241  )))
242 242  )))
243 243  
244 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220519174512-1.png?rev=1.1||alt="image-20220519174512-1.png"]]
186 +[[image:image-20220519174512-1.png]]
245 245  
246 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220519174512-2.png?width=720&height=323&rev=1.1||alt="image-20220519174512-2.png" height="323" width="720"]]
188 +[[image:image-20220519174512-2.png||height="323" width="720"]]
247 247  
248 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220519174512-3.png?width=724&height=556&rev=1.1||alt="image-20220519174512-3.png" height="556" width="724"]]
190 +[[image:image-20220519174512-3.png||height="556" width="724"]]
249 249  
250 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220519174512-4.png?rev=1.1||alt="image-20220519174512-4.png"]]
192 +[[image:image-20220519174512-4.png]]
251 251  
252 252  You can also choose to create the device manually.
253 253  
254 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1652953542269-423.png?width=723&height=710&rev=1.1||alt="1652953542269-423.png" height="710" width="723"]]
196 +[[image:1652953542269-423.png||height="710" width="723"]]
255 255  
256 256  Add APP KEY and DEV EUI
257 257  
258 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1652953553383-907.png?width=724&height=514&rev=1.1||alt="1652953553383-907.png" height="514" width="724"]]
200 +[[image:1652953553383-907.png||height="514" width="724"]]
259 259  
260 260  
261 261  (((
... ... @@ -262,7 +262,7 @@
262 262  **Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
263 263  )))
264 264  
265 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1652953568895-172.png?width=724&height=232&rev=1.1||alt="1652953568895-172.png" height="232" width="724"]]
207 +[[image:1652953568895-172.png||height="232" width="724"]]
266 266  
267 267  
268 268  == 3.3 Configure Commands to read data ==
... ... @@ -269,7 +269,7 @@
269 269  
270 270  (((
271 271  (((
272 -There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#H3.5ConfigureRS485-BLviaATorDownlink]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
214 +There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
273 273  )))
274 274  
275 275  (((
... ... @@ -341,7 +341,6 @@
341 341  )))
342 342  )))
343 343  
344 -
345 345  === 3.3.2 Configure sensors ===
346 346  
347 347  (((
... ... @@ -360,7 +360,6 @@
360 360  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
361 361  )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
362 362  
363 -
364 364  === 3.3.3 Configure read commands for each sampling ===
365 365  
366 366  (((
... ... @@ -419,17 +419,17 @@
419 419  
420 420  * Grab bytes:
421 421  
422 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602153621-1.png?rev=1.1||alt="image-20220602153621-1.png"]]
362 +[[image:image-20220602153621-1.png]]
423 423  
424 424  
425 425  * Grab a section.
426 426  
427 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602153621-2.png?rev=1.1||alt="image-20220602153621-2.png"]]
367 +[[image:image-20220602153621-2.png]]
428 428  
429 429  
430 430  * Grab different sections.
431 431  
432 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602153621-3.png?rev=1.1||alt="image-20220602153621-3.png"]]
372 +[[image:image-20220602153621-3.png]]
433 433  
434 434  
435 435  )))
... ... @@ -464,7 +464,7 @@
464 464  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
465 465  )))
466 466  
467 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1653269759169-150.png?width=716&height=513&rev=1.1||alt="1653269759169-150.png" height="513" width="716"]]
407 +[[image:1653269759169-150.png||height="513" width="716"]]
468 468  
469 469  
470 470  (% style="color:#037691" %)**Examples: AT+DATAUP=1**
... ... @@ -476,13 +476,12 @@
476 476  
477 477  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
478 478  
479 -
480 480  1. PAYVER: Defined by AT+PAYVER
481 481  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
482 482  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
483 483  1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
484 484  
485 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602155039-4.png?rev=1.1||alt="image-20220602155039-4.png"]]
424 +[[image:image-20220602155039-4.png]]
486 486  
487 487  
488 488  So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
... ... @@ -507,7 +507,7 @@
507 507  
508 508  Below are the uplink payloads:
509 509  
510 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654157178836-407.png?rev=1.1||alt="1654157178836-407.png"]]
449 +[[image:1654157178836-407.png]]
511 511  
512 512  
513 513  === 3.3.5 Uplink on demand ===
... ... @@ -522,78 +522,125 @@
522 522  
523 523  
524 524  
525 -=== 3.3.6 Uplink on Interrupt ===
464 +1.
465 +11.
466 +111. Uplink on Interrupt
526 526  
527 -RS485-LN support external Interrupt uplink since hardware v1.2 release.
468 +Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
528 528  
529 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654157342174-798.png?rev=1.1||alt="1654157342174-798.png"]]
470 +AT+INTMOD=0  Disable Interrupt
530 530  
531 -Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
472 +AT+INTMOD=1  Interrupt trigger by rising or falling edge.
532 532  
474 +AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
533 533  
534 -== 3.4 Uplink Payload ==
476 +AT+INTMOD=3  Interrupt trigger by rising edge.
535 535  
536 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
537 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
538 -|Value|(% style="width:120px" %)(((
478 +
479 +1.
480 +11. Uplink Payload
481 +
482 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
483 +|Value|(((
539 539  Battery(mV)
540 540  
541 541  &
542 542  
543 543  Interrupt _Flag
544 -)))|(% style="width:116px" %)(((
489 +)))|(((
545 545  PAYLOAD_VER
546 546  
547 547  
548 -)))|(% style="width:386px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
493 +)))|If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
549 549  
550 550  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
551 551  
552 552  
553 -== 3.5 Configure RS485-BL via AT or Downlink ==
498 +function Decoder(bytes, port) {
554 554  
555 -User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
500 +~/~/Payload Formats of RS485-BL Deceive
556 556  
502 +return {
503 +
504 + ~/~/Battery,units:V
505 +
506 + BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
507 +
508 + ~/~/GPIO_EXTI 
509 +
510 + EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
511 +
512 + ~/~/payload of version
513 +
514 + Pay_ver:bytes[2],
515 +
516 + };
517 +
518 + }
519 +
520 +
521 +
522 +
523 +
524 +
525 +
526 +TTN V3 uplink screen shot.
527 +
528 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
529 +
530 +1.
531 +11. Configure RS485-BL via AT or Downlink
532 +
533 +User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
534 +
557 557  There are two kinds of Commands:
558 558  
559 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
537 +* **Common Commands**: They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
560 560  
561 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
539 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
562 562  
541 +1.
542 +11.
543 +111. Common Commands:
563 563  
564 -=== 3.5.1 Common Commands ===
545 +They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
565 565  
566 -They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
567 567  
548 +1.
549 +11.
550 +111. Sensor related commands:
568 568  
569 -=== 3.5.2 Sensor related commands ===
552 +==== Choose Device Type (RS485 or TTL) ====
570 570  
571 -Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server.
554 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
572 572  
573 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602163333-5.png?width=1160&height=263&rev=1.1||alt="image-20220602163333-5.png" height="263" width="1160"]]
556 +* AT Command
574 574  
575 -The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
558 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
576 576  
560 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
577 577  
578 -=== 3.5.3 Sensor related commands ===
579 579  
563 +* Downlink Payload
580 580  
565 +**0A aa**     à same as AT+MOD=aa
581 581  
582 -==== **RS485 Debug Command** ====
583 583  
584 -This command is used to configure the RS485 devices; they won’t be used during sampling.
585 585  
586 -* **AT Command**
569 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
587 587  
588 -(% class="box infomessage" %)
589 -(((
590 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
591 -)))
571 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
592 592  
593 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
573 +* AT Command
594 594  
595 -* **Downlink Payload**
575 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
596 596  
577 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
578 +
579 +
580 +
581 +* Downlink Payload
582 +
597 597  Format: A8 MM NN XX XX XX XX YY
598 598  
599 599  Where:
... ... @@ -601,12 +601,9 @@
601 601  * MM: 1: add CRC-16/MODBUS ; 0: no CRC
602 602  * NN: The length of RS485 command
603 603  * XX XX XX XX: RS485 command total NN bytes
604 -* YY: How many bytes will be uplink from the return of this RS485 command,
605 -** if YY=0, RS485-LN will execute the downlink command without uplink;
606 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
607 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
590 +* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
608 608  
609 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
592 +**Example 1:**
610 610  
611 611  To connect a Modbus Alarm with below commands.
612 612  
... ... @@ -616,190 +616,184 @@
616 616  
617 617  So if user want to use downlink command to control to RS485 Alarm, he can use:
618 618  
619 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
602 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
620 620  
621 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
604 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
622 622  
623 623  A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
624 624  
625 625  
626 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
609 +**Example 2:**
627 627  
628 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
611 +Check TTL Sensor return:
629 629  
613 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
630 630  
631 -RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:
632 632  
633 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
634 634  
635 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654159460680-153.png?rev=1.1||alt="1654159460680-153.png"]]
636 636  
618 +==== Set Payload version ====
637 637  
638 -
639 -==== **Set Payload version** ====
640 -
641 641  This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
642 642  
643 -* **AT Command:**
622 +* AT Command:
644 644  
645 -(% class="box infomessage" %)
646 -(((
647 -**AT+PAYVER: Set PAYVER field = 1**
648 -)))
624 +AT+PAYVER: Set PAYVER field = 1
649 649  
650 -* **Downlink Payload:**
651 651  
652 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
627 +* Downlink Payload:
653 653  
654 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
629 +0xAE 01   à Set PAYVER field =  0x01
655 655  
631 +0xAE 0F   à Set PAYVER field =  0x0F
656 656  
657 657  
658 -==== **Set RS485 Sampling Commands** ====
634 +==== Set RS485 Sampling Commands ====
659 659  
660 -AT+COMMANDx or AT+DATACUTx
636 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
661 661  
662 -These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#H3.3.3Configurereadcommandsforeachsampling]].
638 +These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
663 663  
664 664  
665 -* **AT Command:**
641 +* AT Command:
666 666  
667 -(% class="box infomessage" %)
668 -(((
669 -**AT+COMMANDx: Configure RS485 read command to sensor.**
670 -)))
643 +AT+COMMANDx: Configure RS485 read command to sensor.
671 671  
672 -(% class="box infomessage" %)
673 -(((
674 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
675 -)))
645 +AT+DATACUTx: Configure how to handle return from RS485 devices.
676 676  
647 +AT+SEARCHx: Configure search command
677 677  
678 -* **Downlink Payload:**
679 679  
680 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
650 +* Downlink Payload:
681 681  
682 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
652 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
683 683  
654 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
655 +
684 684  Format: AF MM NN LL XX XX XX XX YY
685 685  
686 686  Where:
687 687  
688 688  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
689 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
690 -* LL:  The length of AT+COMMAND or AT+DATACUT command
661 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
662 +* LL: The length of AT+COMMAND or AT+DATACUT command
691 691  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
692 -* YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
664 +* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
693 693  
694 -**Example:**
666 +Example:
695 695  
696 -(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
668 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
697 697  
698 -(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
670 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
699 699  
700 -(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
672 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
701 701  
702 702  
675 +0xAB downlink command can be used for set AT+SEARCHx
703 703  
704 -==== **Fast command to handle MODBUS device** ====
677 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
705 705  
679 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
680 +* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
681 +
682 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
683 +
684 +
685 +==== Fast command to handle MODBUS device ====
686 +
706 706  AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
707 707  
708 708  This command is valid since v1.3 firmware version
709 709  
710 -AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
711 711  
692 +AT+MBFUN has only two value:
712 712  
713 -**Example:**
694 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
714 714  
715 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
716 -* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
717 -* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
696 +AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
718 718  
719 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602165351-6.png?rev=1.1||alt="image-20220602165351-6.png"]]
698 +* AT+MBFUN=0: Disable Modbus fast reading.
720 720  
721 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602165351-7.png?rev=1.1||alt="image-20220602165351-7.png"]]
700 +Example:
722 722  
702 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
703 +* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
704 +* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
723 723  
706 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
724 724  
725 -==== **RS485 command timeout** ====
726 726  
727 -Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
709 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
728 728  
729 -Default value: 0, range:  0 ~~ 65 seconds
730 730  
731 -* **AT Command:**
712 +* Downlink Commands:
732 732  
733 -(% class="box infomessage" %)
734 -(((
735 -**AT+CMDDLaa=hex(bb cc)*1000**
736 -)))
714 +A9 aa -à Same as AT+MBFUN=aa
737 737  
738 -**Example:**
739 739  
740 -**AT+CMDDL1=1000** to send the open time to 1000ms
717 +==== RS485 command timeout ====
741 741  
719 +Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
742 742  
743 -* **Downlink Payload:**
721 +Default value: 0, range:  0 ~~ 5 seconds
744 744  
745 -**0x AA aa bb cc**
746 746  
747 -Same as: AT+CMDDLaa=hex(bb cc)*1000
724 +* AT Command:
748 748  
749 - **Example:**
726 +AT+CMDDLaa=hex(bb cc)
750 750  
751 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
728 +Example:
752 752  
730 +**AT+CMDDL1=1000** to send the open time to 1000ms
753 753  
754 754  
755 -==== **Uplink payload mode** ====
733 +* Downlink Payload:
756 756  
757 -Define to use one uplink or multiple uplinks for the sampling.
735 +0x AA aa bb cc
758 758  
759 -The use of this command please see: [[Compose Uplink payload>>path:#H3.3.4Composetheuplinkpayload]]
737 +Same as: AT+CMDDLaa=hex(bb cc)
760 760  
761 -* **AT Command:**
739 + Example:
762 762  
763 -(% class="box infomessage" %)
764 -(((
765 -**AT+DATAUP=0**
766 -)))
741 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
767 767  
768 -(% class="box infomessage" %)
769 -(((
770 -**AT+DATAUP=1**
771 -)))
772 772  
744 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
773 773  
774 -* **Downlink Payload:**
746 +Define to use one uplink or multiple uplinks for the sampling.
775 775  
776 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
748 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
777 777  
778 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
750 +* AT Command:
779 779  
752 +AT+DATAUP=0
780 780  
754 +AT+DATAUP=1
781 781  
782 -==== **Manually trigger an Uplink** ====
783 783  
784 -Ask device to send an uplink immediately.
757 +* Downlink Payload:
785 785  
786 -* **AT Command:**
759 +0xAD 00   à Same as AT+DATAUP=0
787 787  
788 -No AT Command for this, user can press the (% class="wikiinternallink" %)[[ACT button>>path:#Button]](%%) for 1 second for the same.
761 +0xAD 01   à Same as AT+DATAUP=1
789 789  
790 790  
791 -* **Downlink Payload:**
764 +==== Manually trigger an Uplink ====
792 792  
793 -**0x08 FF**, RS485-LN will immediately send an uplink.
766 +Ask device to send an uplink immediately.
794 794  
768 +* Downlink Payload:
795 795  
770 +0x08 FF, RS485-BL will immediately send an uplink.
796 796  
797 -==== **Clear RS485 Command** ====
798 798  
773 +==== Clear RS485 Command ====
774 +
799 799  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
800 800  
801 -* **AT Command:**
802 802  
778 +* AT Command:
779 +
803 803  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
804 804  
805 805  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -807,50 +807,43 @@
807 807  Example screen shot after clear all RS485 commands. 
808 808  
809 809  
787 +
810 810  The uplink screen shot is:
811 811  
812 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654160691922-496.png?rev=1.1||alt="1654160691922-496.png"]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png||alt="file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png"]]
790 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
813 813  
814 814  
815 -* **Downlink Payload:**
793 +* Downlink Payload:
816 816  
817 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
795 +0x09 aa bb same as AT+CMDEAR=aa,bb
818 818  
819 819  
798 +==== Set Serial Communication Parameters ====
820 820  
821 -==== **Set Serial Communication Parameters** ====
822 -
823 823  Set the Rs485 serial communication parameters:
824 824  
825 -* **AT Command:**
802 +* AT Command:
826 826  
827 827  Set Baud Rate:
828 828  
829 -(% class="box infomessage" %)
830 -(((
831 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
832 -)))
806 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
833 833  
834 -Set UART Parity
835 835  
836 -(% class="box infomessage" %)
837 -(((
838 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
839 -)))
809 +Set UART parity
840 840  
811 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
812 +
813 +
841 841  Set STOPBIT
842 842  
843 -(% class="box infomessage" %)
844 -(((
845 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
846 -)))
816 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
847 847  
848 848  
849 -* **Downlink Payload:**
819 +* Downlink Payload:
850 850  
851 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
821 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
852 852  
853 -**Example:**
823 +Example:
854 854  
855 855  * A7 01 00 60   same as AT+BAUDR=9600
856 856  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -860,279 +860,287 @@
860 860  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
861 861  
862 862  
863 -== 3.6 Listening mode for RS485 network ==
833 +==== Control output power duration ====
864 864  
865 -This feature support since firmware v1.4
835 +User can set the output power duration before each sampling.
866 866  
867 -RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
837 +* AT Command:
868 868  
869 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602171200-8.png?width=1007&height=567&rev=1.1||alt="image-20220602171200-8.png" height="567" width="1007"]]
839 +Example:
870 870  
871 -To enable the listening mode, use can run the command AT+RXMODE.
841 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
872 872  
843 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
873 873  
874 -(% border="1" style="background-color:#ffffcc; width:500px" %)
875 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
876 -|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
877 -|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
878 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
879 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
880 880  
881 -**Downlink Command:**
846 +* LoRaWAN Downlink Command:
882 882  
883 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
848 +07 01 aa bb  Same as AT+5VT=(aa bb)
884 884  
850 +07 02 aa bb  Same as AT+3V3T=(aa bb)
885 885  
886 -**Example**:
887 887  
888 -The RS485-LN is set to AT+RXMODE=2,1000
889 889  
890 -There is a two Modbus commands in the RS485 network as below:
891 891  
892 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
855 +1.
856 +11. Buttons
893 893  
894 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
858 +|**Button**|**Feature**
859 +|**RST**|Reboot RS485-BL
895 895  
896 -RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
861 +1.
862 +11. +3V3 Output
897 897  
898 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602171200-9.png?rev=1.1||alt="image-20220602171200-9.png"]]
864 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
899 899  
866 +The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 
900 900  
901 -(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.
902 902  
869 +The +3V3 output time can be controlled by AT Command.
903 903  
904 -== 3.7 Buttons ==
871 +**AT+3V3T=1000**
905 905  
873 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
906 906  
907 -(% border="1" style="background-color:#f7faff; width:500px" %)
908 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
909 -|**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
910 -|**RST**|(% style="width:1420px" %)Reboot RS485
911 -|**PRO**|(% style="width:1420px" %)Use for upload image, see (% class="wikiinternallink" %)[[How to Update Image>>path:#upgrade_image]]
912 912  
913 -== 3.8 LEDs ==
876 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
914 914  
915 -(% border="1" style="background-color:#f7faff; width:500px" %)
916 -|=**LEDs**|=**Feature**
917 -|**PWR**|Always on if there is power
918 -|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN** (%%)for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds**(%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
919 919  
920 -= 4. Case Study =
879 +1.
880 +11. +5V Output
921 921  
922 -User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>path:/xwiki/bin/view/Main/Application%20Note%20%3A%20Communicate%20with%20Different%20Sensors%20-----%20RS485-LN%20%20RS485-BL/]]
882 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
923 923  
884 +The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 
924 924  
925 -= 5. Use AT Command =
926 926  
927 -== 5.1 Access AT Command ==
887 +The 5V output time can be controlled by AT Command.
928 928  
929 -RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
889 +**AT+5VT=1000**
930 930  
931 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654162355560-817.png?rev=1.1||alt="1654162355560-817.png"]]
891 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
932 932  
933 933  
934 -In PC, User needs to set (% style="color:blue" %)**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 of RS485-BL. The default password is 123456. Below is the output for reference:
894 +By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
935 935  
936 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654162368066-342.png?rev=1.1||alt="1654162368066-342.png"]]
937 937  
938 938  
939 -More detail AT Command manual can be found at [[AT Command Manual>>path:#3.5ConfigureRS485-BLviaATorDownlink]]
940 940  
899 +1.
900 +11. LEDs
941 941  
942 -== 5.2 Common AT Command Sequence ==
902 +|**LEDs**|**Feature**
903 +|**LED1**|Blink when device transmit a packet.
943 943  
944 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
905 +1.
906 +11. Switch Jumper
945 945  
946 -If device has not joined network yet:
908 +|**Switch Jumper**|**Feature**
909 +|**SW1**|(((
910 +ISP position: Upgrade firmware via UART
947 947  
948 -(% class="box infomessage" %)
949 -(((
950 -**AT+FDR**
912 +Flash position: Configure device, check running status.
951 951  )))
914 +|**SW2**|(((
915 +5V position: set to compatible with 5v I/O.
952 952  
953 -(% class="box infomessage" %)
954 -(((
955 -**AT+NJM=0**
917 +3.3v position: set to compatible with 3.3v I/O.,
956 956  )))
957 957  
958 -(% class="box infomessage" %)
959 -(((
960 -**ATZ**
961 -)))
920 ++3.3V: is always ON
962 962  
922 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
963 963  
964 -If device already joined network:
924 +1. Case Study
965 965  
966 -(% class="box infomessage" %)
967 -(((
968 -**AT+NJM=0**
969 -)))
926 +User can check this URL for some case studies.
970 970  
971 -(% class="box infomessage" %)
972 -(((
973 -**ATZ**
974 -)))
928 +[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
975 975  
976 976  
977 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
978 978  
979 979  
980 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
933 +1. Use AT Command
934 +11. Access AT Command
981 981  
982 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
936 +RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
983 983  
984 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
938 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
985 985  
986 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
987 987  
988 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
941 +In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
989 989  
990 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
943 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
991 991  
992 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
993 993  
994 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
995 995  
996 -(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
947 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
997 997  
998 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
999 999  
1000 1000  
1001 -(% style="color:red" %)**Note:**
951 +1.
952 +11. Common AT Command Sequence
953 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1002 1002  
1003 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1004 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1005 -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?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1006 -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
955 +If device has not joined network yet:
1007 1007  
1008 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654162478620-421.png?rev=1.1||alt="1654162478620-421.png"]]
957 +AT+FDR
1009 1009  
959 +AT+NJM=0
1010 1010  
1011 -= 6. FAQ =
961 +ATZ
1012 1012  
1013 -== 6.1 How to upgrade the image? ==
1014 1014  
1015 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
964 +If device already joined network:
1016 1016  
1017 -* Support new features
1018 -* For bug fix
1019 -* Change LoRaWAN bands.
966 +AT+NJM=0
1020 1020  
1021 -Below shows the hardware connection for how to upload an image to RS485-LN:
968 +ATZ
1022 1022  
1023 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654162535040-878.png?rev=1.1||alt="1654162535040-878.png"]]
970 +1.
971 +11.
972 +111. Single-channel ABP mode (Use with LG01/LG02)
1024 1024  
1025 -**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]].
974 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1026 1026  
1027 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
976 +AT+NJM=0 Set to ABP mode
1028 1028  
1029 -**Step3: **Open flashloader; choose the correct COM port to update.
978 +AT+ADR=0 Set the Adaptive Data Rate Off
1030 1030  
1031 -(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
980 +AT+DR=5  Set Data Rate
1032 1032  
982 +AT+TDC=60000  Set transmit interval to 60 seconds
1033 1033  
1034 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602175818-12.png?rev=1.1||alt="image-20220602175818-12.png"]]
984 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1035 1035  
986 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1036 1036  
1037 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602175848-13.png?rev=1.1||alt="image-20220602175848-13.png"]]
988 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1038 1038  
990 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1039 1039  
1040 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602175912-14.png?rev=1.1||alt="image-20220602175912-14.png"]]
992 +ATZ          Reset MCU
1041 1041  
994 +**Note:**
1042 1042  
1043 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
996 +1. Make sure the device is set to ABP mode in the IoT Server.
997 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
998 +1. 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?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
999 +1. 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
1044 1044  
1045 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602175638-10.png?rev=1.1||alt="image-20220602175638-10.png"]]
1001 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1046 1046  
1047 1047  
1048 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1004 +1. FAQ
1005 +11. How to upgrade the image?
1049 1049  
1050 -User can follow the introduction for [[how to upgrade image>>path:#H6.1Howtoupgradetheimage3F]]. When download the images, choose the required image file for download.
1007 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1051 1051  
1009 +* Support new features
1010 +* For bug fix
1011 +* Change LoRaWAN bands.
1052 1052  
1053 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
1013 +Below shows the hardware connection for how to upload an image to RS485-BL:
1054 1054  
1055 -The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#H3.3.3Configurereadcommandsforeachsampling]].
1015 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1056 1056  
1017 +**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]].
1057 1057  
1058 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1019 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1059 1059  
1060 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1021 +**Step3: **Open flashloader; choose the correct COM port to update.
1061 1061  
1062 -Detail info check this link: [[Set Packet Receiving Response Level>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.23SetPacketReceivingResponseLevel]]
1063 1063  
1024 +|(((
1025 +HOLD PRO then press the RST button, SYS will be ON, then click next
1026 +)))
1064 1064  
1065 -= 7. Trouble Shooting =
1028 +|(((
1029 +Board detected
1030 +)))
1066 1066  
1067 -== 7.1 Downlink doesn’t work, how to solve it? ==
1032 +|(((
1033 +
1034 +)))
1068 1068  
1069 -Please see this link for debug: [[LoRaWAN Communication Debug>>path:/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/]]
1036 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
1070 1070  
1071 1071  
1072 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1073 1073  
1074 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>path:/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]]
1040 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
1075 1075  
1076 1076  
1077 -= 8. Order Info =
1043 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1078 1078  
1079 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1080 1080  
1081 -(% style="color:blue" %)**XXX:**
1046 +1.
1047 +11. How to change the LoRa Frequency Bands/Region?
1082 1082  
1083 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1084 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1085 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1086 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1087 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1088 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1089 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1090 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1091 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1092 -* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1049 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1093 1093  
1094 -= 9.Packing Info =
1095 1095  
1096 1096  
1097 -**Package Includes**:
1053 +1.
1054 +11. How many RS485-Slave can RS485-BL connects?
1098 1098  
1099 -* RS485-LN x 1
1100 -* Stick Antenna for LoRa RF part x 1
1101 -* Program cable x 1
1056 +The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].
1102 1102  
1103 -**Dimension and weight**:
1104 1104  
1105 -* Device Size: 13.5 x 7 x 3 cm
1106 -* Device Weight: 105g
1107 -* Package Size / pcs : 14.5 x 8 x 5 cm
1108 -* Weight / pcs : 170g
1109 1109  
1110 -= 10. FCC Caution for RS485LN-US915 =
1111 1111  
1112 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1061 +1. Trouble Shooting     
1062 +11. Downlink doesn’t work, how to solve it?
1113 1113  
1114 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
1064 +Please see this link for debug:
1115 1115  
1066 +[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 
1116 1116  
1117 -**IMPORTANT NOTE:**
1118 1118  
1119 -**Note: **This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
1120 1120  
1121 -—Reorient or relocate the receiving antenna.
1070 +1.
1071 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1122 1122  
1123 -—Increase the separation between the equipment and receiver.
1073 +It might about the channels mapping. Please see for detail.
1124 1124  
1125 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1075 +[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1126 1126  
1127 -—Consult the dealer or an experienced radio/TV technician for help.
1128 1128  
1129 1129  
1130 -**FCC Radiation Exposure Statement:**
1079 +1. Order Info
1131 1131  
1132 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
1081 +**Part Number: RS485-BL-XXX**
1133 1133  
1083 +**XXX:**
1134 1134  
1135 -= 11. Support =
1085 +* **EU433**: frequency bands EU433
1086 +* **EU868**: frequency bands EU868
1087 +* **KR920**: frequency bands KR920
1088 +* **CN470**: frequency bands CN470
1089 +* **AS923**: frequency bands AS923
1090 +* **AU915**: frequency bands AU915
1091 +* **US915**: frequency bands US915
1092 +* **IN865**: frequency bands IN865
1093 +* **RU864**: frequency bands RU864
1094 +* **KZ865: **frequency bands KZ865
1136 1136  
1096 +1. Packing Info
1097 +
1098 +**Package Includes**:
1099 +
1100 +* RS485-BL x 1
1101 +* Stick Antenna for LoRa RF part x 1
1102 +* Program cable x 1
1103 +
1104 +**Dimension and weight**:
1105 +
1106 +* Device Size: 13.5 x 7 x 3 cm
1107 +* Device Weight: 105g
1108 +* Package Size / pcs : 14.5 x 8 x 5 cm
1109 +* Weight / pcs : 170g
1110 +
1111 +1. Support
1112 +
1137 1137  * 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.
1138 -* 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]].
1114 +* 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
1115 +
1116 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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