Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 79.4 >
edited by Xiaoling
on 2022/10/27 10:53
To version < 78.1 >
edited by Bei Jinggeng
on 2022/10/09 14:27
>
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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33 33  
34 34  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
35 35  
36 -
37 37  (((
37 +(((
38 +(((
39 +
40 +
38 38  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.
39 39  )))
43 +)))
40 40  
41 41  (((
46 +(((
42 42  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.
43 43  )))
49 +)))
44 44  
45 45  (((
52 +(((
46 46  (% 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.
47 47  )))
55 +)))
48 48  
49 49  (((
58 +(((
50 50  (% 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.
51 51  )))
52 52  
53 53  (((
54 54  (% 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 +
55 55  )))
67 +)))
68 +)))
56 56  
57 -
58 58  (% 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" %)​
59 59  
60 60  
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291 291  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:
292 292  
293 293  
294 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
306 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
295 295  |=(% style="width: 110px;" %)(((
296 296  **AT Commands**
297 -)))|=(% style="width: 210px;" %)(((
309 +)))|=(% style="width: 190px;" %)(((
298 298  **Description**
299 299  )))|=(% style="width: 190px;" %)(((
300 300  **Example**
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360 360  )))
361 361  )))
362 362  
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**
375 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
376 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
365 365  |AT+CFGDEV|(% style="width:110px" %)(((
366 366  (((
367 367  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
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563 563  
564 564  == 3.4 Uplink Payload ==
565 565  
566 -
567 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:520px" %)
568 -|(% style="width:90px" %)(((
578 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:800px" %)
579 +|(((
569 569  Size(bytes)
570 -)))|(% style="width:114px" %)1|(% style="width:353px" %)(((
581 +)))|1|(((
571 571  Length depends on the return from the commands
572 572  )))
573 -|(% style="width:90px" %)(((
584 +|(((
574 574  Value
575 -)))|(% style="width:114px" %)(((
586 +)))|(((
576 576  PAYLOAD_VER
577 -)))|(% style="width:353px" %)(((
588 +)))|(((
578 578  If the valid payload is too long and exceed the maximum
579 579  
580 580  support payload length in server, server will show payload not
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1182 1182  )))
1183 1183  
1184 1184  
1185 -==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
1196 +==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.1)**(%%) ====
1186 1186  
1187 1187  * (((
1188 1188  (% style="color:#037691" %)** AT Command:**
1189 1189  )))
1190 1190  
1191 -**~ AT+DATABIT=7    **~/~/ Set the data bits to 7
1202 +**~ AT+DATABIT=7  **~/~/ Set the data bits to 7
1192 1192  
1193 -**~ AT+DATABIT=8    **~/~/ Set the data bits to 8
1204 +**~ AT+DATABIT=8  **~/~/Set the data bits to 8
1194 1194  
1195 1195  * (((
1196 1196  (% style="color:#037691" %)**Downlink Payload:**
... ... @@ -1277,17 +1277,20 @@
1277 1277  
1278 1278  (% 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.
1279 1279  
1291 +
1280 1280  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.
1281 1281  
1282 1282  
1283 1283  [[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"]]
1284 1284  
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  
1299 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1288 1288  
1301 +
1289 1289  [[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"]]
1290 1290  
1304 +
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  
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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
1346 +(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/same as AT+RXMODE=aa,bb
1333 1333  
1334 1334  [[image:image-20220824144240-1.png]]
1335 1335  
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1446 1446  == 3.7 Buttons ==
1447 1447  
1448 1448  
1449 -(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1463 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1450 1450  |=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**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
... ... @@ -1455,7 +1455,7 @@
1455 1455  == 3.8 LEDs ==
1456 1456  
1457 1457  
1458 -(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1472 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1459 1459  |=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1460 1460  |**PWR**|Always on if there is power
1461 1461  |**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.

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