Last modified by Bei Jinggeng on 2025/01/10 15:06
<
From version < 110.1 >
edited by Bei Jinggeng
on 2023/12/26 15:08
To version < 106.1 >
edited by Mengting Qiu
on 2023/10/24 11:38
>
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Summary

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Author
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1 -XWiki.Bei
1 +XWiki.ting
Content
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245 245  (% aria-label="1652953553383-907.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953553383-907.png||data-widget="image" height="514" 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" %)​
246 246  
247 247  
248 +
248 248  (((
249 249  (% style="color:blue" %)**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.
250 250  
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254 254  (% 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" %)​
255 255  
256 256  
257 -== 3.3 Configure Device to Read RS485 Sensors ==
258 +== 3.3 Configure Commands to read data ==
258 258  
259 259  
260 -There are plenty of RS485 and TTL level devices in the market and each device has different commands to read the valid data. To support these devices in most flexible, RS485-LN supports flexible command set. User can use [[Dragino RS485 Tool>>url:https://www.dropbox.com/sh/us9qecn39fwt8n1/AABREdqUCzEmJMRrfuWuXasoa?dl=0]],  [[AT Commands or LoRaWAN Downlink>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/#H3.5ConfigureRS485-LBviaATorDownlink]] Command to configure how RS485-LN should read the sensor and how to handle the return from RS485 or TTL sensors.
261 +(((
262 +(((
263 +(((
264 +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>>||anchor="H3.5ConfigureRS485-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
261 261  
266 +
267 +)))
268 +)))
262 262  
263 263  (((
264 264  (((
265 -(((
266 266  (% 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**
267 267  )))
268 268  
269 -
270 -=== 3.3.1 Method 1 ~-~- via RS485 Configure Tool ===
271 -
272 -
273 -Use the RS485 Configure tool is the recommand method. Please see the instruction of how to use the tool:
274 -
275 -* **[[RS485 Configure Tool Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/]]**
276 -
277 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/WebHome/image-20231127144411-1.png?width=494&height=368&rev=1.1||alt="image-20231127144411-1.png" height="368" width="494"]]
278 -
279 -
280 -=== 3.3.2  Method 2 ~-~- via AT Commands ===
275 +
281 281  )))
282 282  )))
283 283  
284 -==== 3.3.2.1 Configure UART settings for RS485 communication ====
279 +=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
285 285  
286 -To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. The related commands for UART settings are:
287 287  
282 +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:
283 +
288 288  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
289 289  |=(% style="width: 126px; background-color:#D9E2F3;color:#0070C0" %)(((
290 290  **AT Commands**
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346 346  )))
347 347  )))
348 348  
349 -=== 3.3.3 Configure sensors ===
345 +=== 3.3.2 Configure sensors ===
350 350  
351 351  
352 352  (((
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369 369  )))
370 370  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
371 371  
372 -=== 3.3.4 Configure read commands for each sampling ===
368 +=== 3.3.3 Configure read commands for each sampling ===
373 373  
374 374  
375 375  (((
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460 460  
461 461  )))
462 462  
463 -=== 3.3.5 Compose the uplink payload ===
459 +=== 3.3.4 Compose the uplink payload ===
464 464  
465 465  
466 466  (((
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545 545  (% 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" %)​
546 546  
547 547  
548 -=== 3.3.6 Uplink on demand ===
544 +=== 3.3.5 Uplink on demand ===
549 549  
550 550  
551 551  Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command.
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557 557  (% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
558 558  
559 559  
560 -=== 3.3.7 Uplink on Interrupt ===
556 +=== 3.3.6 Uplink on Interrupt ===
561 561  
562 562  
563 563  RS485-LN support external Interrupt uplink since hardware v1.2 release.
564 564  
561 +
565 565  (% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.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" %)​
566 566  
567 567  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.
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571 571  
572 572  
573 573  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
574 -|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)(((
575 -**Size(bytes)**
571 +|=(% scope="row" style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)(((
572 +Size(bytes)
576 576  )))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
577 577  **Length depends on the return from the commands**
578 578  )))
579 -|(% style="width:90px" %)(((
576 +|=(% style="width: 90px;" %)(((
580 580  Value
581 581  )))|(% style="width:114px" %)(((
582 582  PAYLOAD_VER
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588 588  provided in the LoRaWAN server.
589 589  )))
590 590  
591 -(% 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"]](%%)Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
588 +(% 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"]]
592 592  
590 +(% title="Click and drag to resize" %)​
593 593  
592 +Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
593 +
594 +
594 594  == 3.5 Configure RS485-LN via AT or Downlink ==
595 595  
596 596  
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927 927  
928 928  (% aria-label="image-20220602165351-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-7.png||data-widget="image"]](% title="Click and drag to resize" %)​
929 929  
930 -* (((
931 -(% style="color:#037691" %)**Downlink Command:**
932 -)))
933 933  
934 -**~ (% style="color:#4472c4" %)A9 aa(%%)** ~-~-> Same as AT+MBFUN=aa
935 935  
936 -
937 937  ==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
938 938  
939 939  
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1385 1385  To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1386 1386  )))
1387 1387  
1384 +
1385 +
1388 1388  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
1389 1389  |=(% style="width: 156px; background-color:#D9E2F3;color:#0070C0" %)(((
1390 1390  **Command example**
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1644 1644  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer]]
1645 1645  
1646 1646  
1645 +
1647 1647  (% style="color:red" %)**Notice**: **In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:**
1648 1648  
1649 1649  (% 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" %)​
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1796 1796  The decoder for RS485-LN needs to be written by yourself. Because the sensor to which the user is connected is custom, the read device data bytes also need custom parsing, so there is no universal decoder. We can only provide [[templates>>https://github.com/dragino/dragino-end-node-decoder/tree/main/RS485-LN]] for decoders (no intermediate data parsing part involved)
1797 1797  
1798 1798  
1799 -== 6.9 How to configure RS485 commands more conveniently？ ==
1800 -
1801 -
1802 -Dragino has developed an application for the RS485 series of products.
1803 -
1804 -It can help you configure RS485 sensors more conveniently
1805 -Please refer to the link below for specific usage：
1806 -
1807 -[[RS485 Configure Tool - DRAGINO>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/#HTableofContentsFF1A]]
1808 -
1809 -
1810 1810  = 7. Trouble Shooting =
1811 1811  
1812 1812  == 7.1 Downlink doesn't work, how to solve it? ==

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