Last modified by Bei Jinggeng on 2025/01/10 15:06
<
From version < 121.2 >
edited by Mengting Qiu
on 2024/09/25 16:13
To version < 107.1 >
edited by Bei Jinggeng
on 2023/11/27 14:28
>
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Summary

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Author
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1 -XWiki.ting
1 +XWiki.Bei
Content
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135 135  v1.0: Release
136 136  )))
137 137  
138 -
139 -== 1.7 Pin Definitions ==
140 -
141 -
142 -The following diagram shows the V1.2 hardware version.
143 -
144 -[[image:image-20240925161141-1.jpeg||height="412" width="405"]]
145 -
146 -[[image:image-20240925161157-2.jpeg||height="367" width="545"]]
147 -
148 148  
149 149  )))
150 150  )))
... ... @@ -255,6 +255,7 @@
255 255  (% 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" %)​
256 256  
257 257  
248 +
258 258  (((
259 259  (% 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.
260 260  
... ... @@ -264,44 +264,38 @@
264 264  (% 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" %)​
265 265  
266 266  
267 -== 3.3 Configure Device to Read RS485 Sensors ==
258 +== 3.3 Configure Commands to read data ==
268 268  
269 269  
270 -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.
271 271  
266 +
267 +)))
268 +)))
272 272  
273 273  (((
274 274  (((
275 -(((
276 276  (% 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**
277 277  )))
278 278  
279 -
280 -=== 3.3.1 Method 1 ~-~- via RS485 Configure Tool ===
281 -
282 -
283 -Use the RS485 Configure tool is the recommand method. Please see the instruction of how to use the tool:
284 -
285 -* **[[RS485 Configure Tool Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/]]**
286 -
287 -[[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"]]
288 -
289 -
290 -=== 3.3.2  Method 2 ~-~- via AT Commands ===
275 +
291 291  )))
292 292  )))
293 293  
294 -==== 3.3.2.1 Configure UART settings for RS485 communication ====
279 +=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
295 295  
296 296  
297 -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:
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:
298 298  
299 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
300 -|=(% style="width: 126px; background-color:#4F81BD;color:white" %)(((
284 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
285 +|=(% style="width: 126px; background-color:#D9E2F3;color:#0070C0" %)(((
301 301  **AT Commands**
302 -)))|=(% style="width: 187px; background-color:#4F81BD;color:white" %)(((
287 +)))|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)(((
303 303  **Description**
304 -)))|=(% style="width: 197px;background-color:#4F81BD;color:white" %)(((
289 +)))|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)(((
305 305  **Example**
306 306  )))
307 307  |(% style="width:126px" %)(((
... ... @@ -357,7 +357,7 @@
357 357  )))
358 358  )))
359 359  
360 -=== 3.3.3 Configure sensors ===
345 +=== 3.3.2 Configure sensors ===
361 361  
362 362  
363 363  (((
... ... @@ -364,8 +364,8 @@
364 364  Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won't run during each sampling.
365 365  )))
366 366  
367 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
368 -|=(% style="width: 122px; background-color:#4F81BD;color:white" %)**AT Commands**|=(% style="width: 198px; background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 190px;background-color:#4F81BD;color:white" %)**Example**
352 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
353 +|=(% style="width: 122px; background-color:#D9E2F3;color:#0070C0" %)**AT Commands**|=(% style="width: 198px; background-color:#D9E2F3;color:#0070C0" %)**Description**|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)**Example**
369 369  |(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
370 370  (((
371 371  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
... ... @@ -380,7 +380,7 @@
380 380  )))
381 381  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
382 382  
383 -=== 3.3.4 Configure read commands for each sampling ===
368 +=== 3.3.3 Configure read commands for each sampling ===
384 384  
385 385  
386 386  (((
... ... @@ -471,7 +471,7 @@
471 471  
472 472  )))
473 473  
474 -=== 3.3.5 Compose the uplink payload ===
459 +=== 3.3.4 Compose the uplink payload ===
475 475  
476 476  
477 477  (((
... ... @@ -556,7 +556,7 @@
556 556  (% 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" %)​
557 557  
558 558  
559 -=== 3.3.6 Uplink on demand ===
544 +=== 3.3.5 Uplink on demand ===
560 560  
561 561  
562 562  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.
... ... @@ -568,11 +568,12 @@
568 568  (% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
569 569  
570 570  
571 -=== 3.3.7 Uplink on Interrupt ===
556 +=== 3.3.6 Uplink on Interrupt ===
572 572  
573 573  
574 574  RS485-LN support external Interrupt uplink since hardware v1.2 release.
575 575  
561 +
576 576  (% 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" %)​
577 577  
578 578  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.
... ... @@ -581,13 +581,13 @@
581 581  == 3.4 Uplink Payload ==
582 582  
583 583  
584 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
585 -|(% style="background-color:#4f81bd; color:white; width:70px" %)(((
586 -**Size(bytes)**
587 -)))|(% style="background-color:#4f81bd; color:white; width:80px" %)**1**|(% style="background-color:#4f81bd; color:white; width:360px" %)(((
570 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
571 +|=(% scope="row" style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)(((
572 +Size(bytes)
573 +)))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
588 588  **Length depends on the return from the commands**
589 589  )))
590 -|(% style="width:90px" %)(((
576 +|=(% style="width: 90px;" %)(((
591 591  Value
592 592  )))|(% style="width:114px" %)(((
593 593  PAYLOAD_VER
... ... @@ -599,9 +599,13 @@
599 599  provided in the LoRaWAN server.
600 600  )))
601 601  
602 -(% 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"]]
603 603  
590 +(% title="Click and drag to resize" %)​
604 604  
592 +Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
593 +
594 +
605 605  == 3.5 Configure RS485-LN via AT or Downlink ==
606 606  
607 607  
... ... @@ -746,21 +746,31 @@
746 746  )))
747 747  
748 748  (((
749 -(% style="color:blue" %)**Example 2:**  (%%)
739 +(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
750 750  )))
751 751  
752 752  (((
753 -Check TTL Sensor return:
743 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
754 754  )))
755 755  
756 756  (((
747 +
748 +)))
749 +
757 757  (((
758 -[[image:http://8.211.40.43/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/1654132684752-193.png?rev=1.1||alt="1654132684752-193.png"]](% title="Click and drag to resize" %)​
751 +(((
752 +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:  **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
759 759  )))
754 +
755 +
760 760  )))
761 761  
758 +(((
759 + (% aria-label="1654159460680-153.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654159460680-153.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" %)​
760 +)))
762 762  
763 763  
763 +
764 764  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
765 765  
766 766  
... ... @@ -928,13 +928,8 @@
928 928  
929 929  (% 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" %)​
930 930  
931 -* (((
932 -(% style="color:#037691" %)**Downlink Command:**
933 -)))
934 934  
935 -**~ (% style="color:#4472c4" %)A9 aa(%%)** ~-~-> Same as AT+MBFUN=aa
936 936  
937 -
938 938  ==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
939 939  
940 940  
... ... @@ -1386,10 +1386,12 @@
1386 1386  To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1387 1387  )))
1388 1388  
1389 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1390 -|=(% style="width: 156px; background-color:#4F81BD;color:white" %)(((
1384 +
1385 +
1386 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
1387 +|=(% style="width: 156px; background-color:#D9E2F3;color:#0070C0" %)(((
1391 1391  **Command example**
1392 -)))|=(% style="width: 355px; background-color:#4F81BD;color:white" %)(((
1389 +)))|=(% style="width: 355px; background-color:#D9E2F3;color:#0070C0" %)(((
1393 1393  **Function**
1394 1394  )))
1395 1395  |(% style="width:156px" %)(((
... ... @@ -1468,7 +1468,7 @@
1468 1468  
1469 1469  
1470 1470  (% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1471 -|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**Button**|=(% style="width: 380px;background-color:#4F81BD;color:white" %)**Feature**
1468 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Button**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1472 1472  |(% 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**
1473 1473  |(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
1474 1474  |(% style="width:50px" %)PRO|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
... ... @@ -1477,7 +1477,7 @@
1477 1477  
1478 1478  
1479 1479  (% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1480 -|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**LEDs**|=(% style="width: 380px;background-color:#4F81BD;color:white" %)**Feature**
1477 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**LEDs**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1481 1481  |PWR|Always on if there is power
1482 1482  |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.
1483 1483  
... ... @@ -1645,6 +1645,7 @@
1645 1645  [[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]]
1646 1646  
1647 1647  
1645 +
1648 1648  (% 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:**
1649 1649  
1650 1650  (% 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" %)​
... ... @@ -1694,7 +1694,7 @@
1694 1694  1. Check if Modbus-MTU return back the expected result to RS485-LN.
1695 1695  1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1696 1696  
1697 -[[image:image-20240816112950-1.png||height="382" width="731"]]
1695 +[[image:image-20221130104310-1.png||height="380" width="680"]]
1698 1698  
1699 1699  
1700 1700  Example Connection:
... ... @@ -1808,6 +1808,7 @@
1808 1808  [[RS485 Configure Tool - DRAGINO>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/#HTableofContentsFF1A]]
1809 1809  
1810 1810  
1809 +
1811 1811  = 7. Trouble Shooting =
1812 1812  
1813 1813  == 7.1 Downlink doesn't work, how to solve it? ==
... ... @@ -1816,36 +1816,12 @@
1816 1816  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1817 1817  
1818 1818  
1819 -== 7.2 Why customers can't join TTN V3 in US915 /AU915 bands? ==
1818 +== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1820 1820  
1821 1821  
1822 1822  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1823 1823  
1824 1824  
1825 -== 7.3 Why can't customers see the device's data in the server when the data is too long? ==
1826 -
1827 -This is due to the limitation of the lorawan protocol, and the fixed DR needs to be adjusted to improve this problem.
1828 -
1829 -Please refer to the following link for the number of bytes limited by different frequencies and different DRs in the lorawan protocol
1830 -
1831 -[[lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf>>url:https://lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf]]
1832 -
1833 -Example:
1834 -
1835 -[[image:image-20240620145456-1.png]]
1836 -
1837 -Please refer to the following command to fix DR
1838 -
1839 -AT+ADR=0
1840 -
1841 -AT+DR=3
1842 -
1843 -Downlink command:
1844 -
1845 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate]]
1846 -
1847 -
1848 -
1849 1849  = 8. Order Info =
1850 1850  
1851 1851  
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