Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 75.2 >
edited by Xiaoling
on 2022/09/29 16:37
To version < 97.3 >
edited by Xiaoling
on 2022/11/30 14:59
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -30,53 +30,39 @@
30 30  
31 31  = 1.Introduction =
32 32  
33 -
34 34  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
35 35  
36 -(((
37 -(((
38 -(((
39 -
40 40  
36 +(((
41 41  The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
42 42  )))
43 -)))
44 44  
45 45  (((
46 -(((
47 47  RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) 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.
48 48  )))
49 -)))
50 50  
51 51  (((
52 -(((
53 53  (% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
54 54  )))
55 -)))
56 56  
57 57  (((
58 -(((
59 59  (% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
60 60  )))
61 61  
62 62  (((
63 63  (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
64 -
65 -
66 66  )))
67 -)))
68 -)))
69 69  
56 +
70 70  (% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
71 71  
72 72  
73 -
74 74  == 1.2 Specifications ==
75 75  
76 76  
77 77  (% style="color:#037691" %)**Hardware System:**
78 78  
79 -* STM32L072CZT6 MCU
65 +* STM32L072xxxx MCU
80 80  * SX1276/78 Wireless Chip 
81 81  * Power Consumption (exclude RS485 device):
82 82  ** Idle: 32mA@12v
... ... @@ -156,7 +156,6 @@
156 156  v1.0: Release
157 157  )))
158 158  
159 -
160 160  
161 161  )))
162 162  )))
... ... @@ -176,13 +176,11 @@
176 176  
177 177  (% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
178 178  
179 -
180 180  
181 181  )))
182 182  
183 183  = 3. Operation Mode =
184 184  
185 -
186 186  == 3.1 How it works? ==
187 187  
188 188  
... ... @@ -191,7 +191,6 @@
191 191  The RS485-LN 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 RS485-LN. It will auto join the network via OTAA.
192 192  )))
193 193  
194 -
195 195  
196 196  )))
197 197  
... ... @@ -280,7 +280,6 @@
280 280  (% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
281 281  
282 282  
283 -
284 284  == 3.3 Configure Commands to read data ==
285 285  
286 286  
... ... @@ -298,7 +298,6 @@
298 298  (% style="color:red" %)**Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1**
299 299  )))
300 300  
301 -
302 302  
303 303  )))
304 304  )))
... ... @@ -309,10 +309,10 @@
309 309  To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
310 310  
311 311  
312 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
292 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
313 313  |=(% style="width: 110px;" %)(((
314 314  **AT Commands**
315 -)))|=(% style="width: 190px;" %)(((
295 +)))|=(% style="width: 210px;" %)(((
316 316  **Description**
317 317  )))|=(% style="width: 190px;" %)(((
318 318  **Example**
... ... @@ -380,8 +380,8 @@
380 380  )))
381 381  )))
382 382  
383 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
384 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
363 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
364 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 190px;" %)**Example**
385 385  |AT+CFGDEV|(% style="width:110px" %)(((
386 386  (((
387 387  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
... ... @@ -430,7 +430,7 @@
430 430  
431 431  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
432 432  |(% style="width:496px" %)(((
433 -(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
413 +**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
434 434  
435 435  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
436 436  
... ... @@ -472,7 +472,6 @@
472 472  
473 473  (% aria-label="image-20220602153621-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-3.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
474 474  
475 -
476 476  
477 477  )))
478 478  
... ... @@ -516,13 +516,15 @@
516 516  Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
517 517  
518 518  
519 -1. PAYVER: Defined by AT+PAYVER
520 -1. PAYLOAD COUNT: Total how many uplinks of this sampling.
521 -1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
522 -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
498 +~1. PAYVER: Defined by AT+PAYVER
523 523  
500 +2. PAYLOAD COUNT: Total how many uplinks of this sampling.
524 524  
502 +3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
525 525  
504 +4. 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
505 +
506 +
526 526  (% aria-label="image-20220602155039-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602155039-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
527 527  
528 528  
... ... @@ -559,7 +559,6 @@
559 559  (% aria-label="1654157178836-407.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157178836-407.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
560 560  
561 561  
562 -
563 563  === 3.3.5 Uplink on demand ===
564 564  
565 565  
... ... @@ -572,7 +572,6 @@
572 572  (% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
573 573  
574 574  
575 -
576 576  === 3.3.6 Uplink on Interrupt ===
577 577  
578 578  
... ... @@ -584,18 +584,34 @@
584 584  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.
585 585  
586 586  
587 -
588 588  == 3.4 Uplink Payload ==
589 589  
590 590  
591 -(% aria-label="image-20220606110929-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220606110929-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
569 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
570 +|=(% scope="row" style="width: 60px;" %)(((
571 +Size(bytes)
572 +)))|(% style="width:80px" %)1|(% style="width:360px" %)(((
573 +Length depends on the return from the commands
574 +)))
575 +|=(% style="width: 90px;" %)(((
576 +Value
577 +)))|(% style="width:114px" %)(((
578 +PAYLOAD_VER
579 +)))|(% style="width:353px" %)(((
580 +If the valid payload is too long and exceed the maximum
592 592  
582 +support payload length in server, server will show payload not
583 +
584 +provided in the LoRaWAN server.
585 +)))
586 +
587 +(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
588 +
593 593  (% title="Click and drag to resize" %)​
594 594  
595 595  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
596 596  
597 597  
598 -
599 599  == 3.5 Configure RS485-LN via AT or Downlink ==
600 600  
601 601  
... ... @@ -627,7 +627,6 @@
627 627  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>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
628 628  
629 629  
630 -
631 631  === 3.5.2 Downlink Response(Since firmware v1.4) ===
632 632  
633 633  
... ... @@ -641,17 +641,15 @@
641 641  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)
642 642  
643 643  
644 -
645 645  === 3.5.3 Sensor related commands ===
646 646  
647 647  
648 648  
649 -
650 650  ==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
651 651  
652 652  
653 653  (((
654 -This command is used to configure the RS485 devices; they won't be used during sampling.
646 +This command is used to configure the RS485 devices; they won't be used during sampling. Max Length of AT+CFGDEV is **40 bytes**.
655 655  )))
656 656  
657 657  (((
... ... @@ -1133,15 +1133,10 @@
1133 1133  
1134 1134  (((
1135 1135  Set the Rs485 serial communication parameters:
1136 -
1137 -
1138 1138  )))
1139 1139  
1140 -* (((
1141 -(% style="color:#037691" %)** AT Command:**
1142 -
1143 -
1144 -
1130 +(((
1131 +(% style="color:#037691" %)**AT Command:**
1145 1145  )))
1146 1146  
1147 1147  (((
... ... @@ -1148,7 +1148,7 @@
1148 1148  * Set Baud Rate
1149 1149  )))
1150 1150  
1151 -(% style="color:#4472c4" %)** AT+BAUDR=9600** (%%) ~/~/  Options: (200~~115200)  When using low baud rate or receiving multiple bytes, you need to use AT+CMDDL to increase the receive timeout (the default receive timeout is 400ms), otherwise data will be lost
1138 +(% style="color:#4472c4" %)** AT+BAUDR=9600** (%%) ~/~/  Options: (200~~115200)  When using low baud rate or receiving multiple bytes, you need to use AT+CMDDL to increase the receive timeout (the default receive timeout is 400ms), otherwise data will be lost
1152 1152  
1153 1153  
1154 1154  (((
... ... @@ -1155,7 +1155,7 @@
1155 1155  * Set UART Parity
1156 1156  )))
1157 1157  
1158 -(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
1145 +(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
1159 1159  
1160 1160  
1161 1161  (((
... ... @@ -1162,21 +1162,18 @@
1162 1162  * Set STOPBIT
1163 1163  )))
1164 1164  
1165 -(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1152 +(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1166 1166  
1167 1167  
1168 -
1169 -* (((
1170 -(% style="color:#037691" %)** Downlink Payload:**
1155 +(((
1156 +(% style="color:#037691" %)**Downlink Payload:**
1171 1171  )))
1172 1172  
1173 1173  (((
1174 -(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
1160 +(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
1175 1175  )))
1176 1176  
1177 1177  (((
1178 -
1179 -
1180 1180  **Example:**
1181 1181  )))
1182 1182  
... ... @@ -1198,7 +1198,27 @@
1198 1198  
1199 1199  
1200 1200  
1185 +==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
1201 1201  
1187 +
1188 +* (((
1189 +(% style="color:#037691" %)** AT Command:**
1190 +)))
1191 +
1192 +(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
1193 +
1194 +(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
1195 +
1196 +* (((
1197 +(% style="color:#037691" %)**Downlink Payload:**
1198 +)))
1199 +
1200 +(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
1201 +
1202 +(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
1203 +
1204 +
1205 +
1202 1202  ==== (% style="color:blue" %)**Encrypted payload**(%%) ====
1203 1203  
1204 1204  (((
... ... @@ -1274,20 +1274,17 @@
1274 1274  
1275 1275  (% style="color:#4472c4" %)** AT+RPL=5**  (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1276 1276  
1277 -
1278 1278  Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1279 1279  
1280 1280  
1281 1281  [[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-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1282 1282  
1283 -
1284 -
1285 1285  For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1286 1286  
1287 1287  
1289 +
1288 1288  [[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-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1289 1289  
1290 -
1291 1291  For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1292 1292  
1293 1293  
... ... @@ -1329,12 +1329,11 @@
1329 1329  (% style="color:#037691" %)**Downlink Payload:**
1330 1330  )))
1331 1331  
1332 -(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/same as AT+RXMODE=aa,bb
1333 +(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
1333 1333  
1334 1334  [[image:image-20220824144240-1.png]]
1335 1335  
1336 1336  
1337 -
1338 1338  == 3.6 Listening mode for RS485 network ==
1339 1339  
1340 1340  
... ... @@ -1414,15 +1414,15 @@
1414 1414  )))
1415 1415  
1416 1416  (((
1417 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1417 +The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
1418 1418  )))
1419 1419  
1420 1420  (((
1421 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1421 +And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1422 1422  )))
1423 1423  
1424 1424  (((
1425 -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
1425 +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**
1426 1426  
1427 1427  
1428 1428  )))
... ... @@ -1442,12 +1442,11 @@
1442 1442  )))
1443 1443  
1444 1444  
1445 -
1446 1446  == 3.7 Buttons ==
1447 1447  
1448 1448  
1449 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1450 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1448 +(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1449 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature**
1451 1451  |(% style="width:50px" %)**ACT**|(% style="width:361px" %)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**
1452 1452  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1453 1453  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
... ... @@ -1457,7 +1457,7 @@
1457 1457  == 3.8 LEDs ==
1458 1458  
1459 1459  
1460 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1459 +(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1461 1461  |=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1462 1462  |**PWR**|Always on if there is power
1463 1463  |**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.
... ... @@ -1470,10 +1470,8 @@
1470 1470  User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
1471 1471  
1472 1472  
1473 -
1474 1474  = 5. Use AT Command =
1475 1475  
1476 -
1477 1477  == 5.1 Access AT Command ==
1478 1478  
1479 1479  
... ... @@ -1501,10 +1501,8 @@
1501 1501  )))
1502 1502  
1503 1503  
1504 -
1505 1505  == 5.2 Common AT Command Sequence ==
1506 1506  
1507 -
1508 1508  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1509 1509  
1510 1510  
... ... @@ -1565,10 +1565,8 @@
1565 1565  (% aria-label="1654162478620-421.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162478620-421.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1566 1566  
1567 1567  
1568 -
1569 1569  = 6. FAQ =
1570 1570  
1571 -
1572 1572  == 6.1 How to upgrade the image? ==
1573 1573  
1574 1574  
... ... @@ -1635,7 +1635,6 @@
1635 1635  (% aria-label="image-20220602175638-10.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175638-10.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1636 1636  
1637 1637  
1638 -
1639 1639  == 6.2 How to change the LoRa Frequency Bands/Region? ==
1640 1640  
1641 1641  
... ... @@ -1642,7 +1642,6 @@
1642 1642  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1643 1643  
1644 1644  
1645 -
1646 1646  == 6.3 How many RS485-Slave can RS485-LN connects? ==
1647 1647  
1648 1648  
... ... @@ -1649,7 +1649,6 @@
1649 1649  The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN 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>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1650 1650  
1651 1651  
1652 -
1653 1653  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1654 1654  
1655 1655  
... ... @@ -1658,14 +1658,12 @@
1658 1658  Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1659 1659  
1660 1660  
1661 -
1662 1662  == 6.5 Can i use point to point communication for RS485-LN? ==
1663 1663  
1664 1664  
1665 -Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1654 +Yes, please updating point-to-point [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]]，then refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1666 1666  
1667 1667  
1668 -
1669 1669  == 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1670 1670  
1671 1671  
... ... @@ -1672,10 +1672,117 @@
1672 1672  [[Use RS485-BL or RS485-LN to connect to RS232 devices. - DRAGINO>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/RS485%20to%20RS232/]]
1673 1673  
1674 1674  
1663 +== 6.7 How to judge whether there is a problem with the set COMMAND ==
1675 1675  
1676 -= 7. Trouble Shooting =
1665 +=== 6.7.1 Introduce: ===
1677 1677  
1678 1678  
1668 +Users can use below the structure to fast debug the communication between RS485BL and RS485-LN. The principle is to put the PC in the RS485 network and sniff the packet between Modbus MTU and RS485-BL/LN. We can use this way to:
1669 +
1670 +1. Test if Modbus-MTU works with PC commands.
1671 +1. Check if RS485-LN sent the expected command to Mobus-MTU
1672 +1. Check if Modbus-MTU return back the expected result to RS485-LN.
1673 +1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1674 +
1675 +[[image:image-20221130104310-1.png||height="380" width="680"]]
1676 +
1677 +
1678 +Example Connection:
1679 +
1680 +[[image:image-20221130104310-2.png]]
1681 +
1682 +
1683 +=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
1684 +
1685 +
1686 +(% style="color:red" %)**Note: Receive and send set to hex mode**
1687 +
1688 +[[image:image-20221130104310-3.png||height="616" width="714"]]
1689 +
1690 +
1691 +=== 6.7.3 With ModRSsim2: ===
1692 +
1693 +
1694 +(% style="color:blue" %)**(1) Select serial port MODBUS RS-232**
1695 +
1696 +[[image:image-20221130104310-4.png||height="390" width="865"]]
1697 +
1698 +
1699 +(% style="color:blue" %)**(2) Click the serial port icon**
1700 +
1701 +[[image:image-20221130104310-5.png||height="392" width="870"]]
1702 +
1703 +
1704 +(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
1705 +
1706 +[[image:image-20221130104310-6.png]]
1707 +
1708 +
1709 +(% style="color:blue" %)**(4) Click the comms.**
1710 +
1711 +[[image:image-20221130104310-7.png||height="376" width="835"]]
1712 +
1713 +(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
1714 +**Run RS485-LN/BL command and monitor if it is correct.**
1715 +
1716 +
1717 +=== 6.7.4 Example – Test the CFGDEV command ===
1718 +
1719 +
1720 +RS485-LN sent below command:
1721 +
1722 +(% style="color:blue" %)**AT+CFGDEV=01 03 20 00 01 85 c0,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
1723 +
1724 +
1725 +We can see the output from the Serial port tool to analyze. And check if they are expected result.
1726 +
1727 +[[image:image-20221130104310-8.png||height="214" width="797"]]
1728 +
1729 +
1730 +We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
1731 +
1732 +[[image:image-20221130104310-9.png||height="531" width="729"]]
1733 +
1734 +
1735 +=== 6.7.5 Example – Test CMD command sets. ===
1736 +
1737 +
1738 +Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
1739 +
1740 +
1741 +(% style="color:blue" %)**Serial port tool:**
1742 +
1743 +[[image:image-20221130104310-10.png||height="339" width="844"]]
1744 +
1745 +
1746 +(% style="color:blue" %)**ModRSsim2:**
1747 +
1748 +[[image:image-20221130104310-11.png||height="281" width="962"]]
1749 +
1750 +
1751 +=== 6.7.6 Test with PC ===
1752 +
1753 +
1754 +If there is still have problem to set up correctly the commands between RS485-LN and MTU. User can test the correct RS485 command set in PC and compare with the RS485 command sent out via RS485-LN. as long as both commands are the same, the MTU should return correct result.
1755 +
1756 +
1757 +Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
1758 +
1759 +(% style="color:blue" %)**Connection method：**
1760 +
1761 +[[image:image-20221130104310-12.png]]
1762 +
1763 +
1764 +(% style="color:blue" %)**Link situation:**
1765 +
1766 +[[image:image-20221130104310-13.png||height="458" width="486"]]
1767 +
1768 +
1769 +[[image:image-20221130104310-14.png||height="371" width="823"]]
1770 +
1771 +
1772 += 7. Trouble Shooting =
1773 +
1679 1679  == 7.1 Downlink doesn't work, how to solve it? ==
1680 1680  
1681 1681  
... ... @@ -1682,7 +1682,6 @@
1682 1682  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1683 1683  
1684 1684  
1685 -
1686 1686  == 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1687 1687  
1688 1688  
... ... @@ -1689,7 +1689,6 @@
1689 1689  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1690 1690  
1691 1691  
1692 -
1693 1693  = 8. Order Info =
1694 1694  
1695 1695  
... ... @@ -1780,7 +1780,6 @@
1780 1780  )))
1781 1781  
1782 1782  
1783 -
1784 1784  = 11. Support =
1785 1785  
1786 1786  
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