Last modified by Bei Jinggeng on 2025/01/10 15:06
<
From version < 102.17 >
edited by Xiaoling
on 2023/04/25 14:14
To version < 110.1 >
edited by Bei Jinggeng
on 2023/12/26 15:08
>
Change comment: There is no comment for this version

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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38 38  )))
39 39  
40 40  (((
41 -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.
41 +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, building automation, and so on.
42 42  )))
43 43  
44 44  (((
... ... @@ -94,8 +94,6 @@
94 94  * Automatic RF Sense and CAD with ultra-fast AFC.
95 95  * Packet engine up to 256 bytes with CRC
96 96  
97 -
98 -
99 99  == 1.3 Features ==
100 100  
101 101  
... ... @@ -108,8 +108,6 @@
108 108  * Support Modbus protocol
109 109  * Support Interrupt uplink (Since hardware version v1.2)
110 110  
111 -
112 -
113 113  == 1.4 Applications ==
114 114  
115 115  
... ... @@ -120,8 +120,6 @@
120 120  * Smart Cities
121 121  * Smart Factory
122 122  
123 -
124 -
125 125  == 1.5 Firmware Change log ==
126 126  
127 127  
... ... @@ -214,7 +214,7 @@
214 214  )))
215 215  )))
216 216  
217 -(% aria-label="1652953462722-299.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953462722-299.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" %)​
211 +(% 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"]][[image:image-20230425175410-2.png]](% title="Click and drag to resize" %)​
218 218  
219 219  
220 220  (((
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251 251  (% 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" %)​
252 252  
253 253  
254 -
255 255  (((
256 256  (% 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.
257 257  
... ... @@ -261,32 +261,37 @@
261 261  (% 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" %)​
262 262  
263 263  
264 -== 3.3 Configure Commands to read data ==
257 +== 3.3 Configure Device to Read RS485 Sensors ==
265 265  
266 266  
267 -(((
268 -(((
269 -(((
270 -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.
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.
271 271  
272 -
273 -)))
274 -)))
275 275  
276 276  (((
277 277  (((
265 +(((
278 278  (% 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**
279 279  )))
280 280  
281 -
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 ===
282 282  )))
283 283  )))
284 284  
285 -=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
284 +==== 3.3.2.1 Configure UART settings for RS485 communication ====
286 286  
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  
288 -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:
289 -
290 290  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
291 291  |=(% style="width: 126px; background-color:#D9E2F3;color:#0070C0" %)(((
292 292  **AT Commands**
... ... @@ -307,6 +307,7 @@
307 307  (((
308 308  AT+BAUDR=9600
309 309  )))
308 +
310 310  (((
311 311  Options: (1200,2400,4800,
312 312  14400,19200,115200)
... ... @@ -320,6 +320,7 @@
320 320  (((
321 321  AT+PARITY=0
322 322  )))
322 +
323 323  (((
324 324  Option: 0: no parity,
325 325  1: odd parity,
... ... @@ -332,23 +332,21 @@
332 332  (((
333 333  Set serial stopbit (for RS485 connection)
334 334  )))
335 -
336 -(((
337 -
338 -)))
339 339  )))|(% style="width:193px" %)(((
340 340  (((
341 341  AT+STOPBIT=0 for 1bit
342 342  )))
339 +
343 343  (((
344 344  AT+STOPBIT=1 for 1.5 bit
345 345  )))
343 +
346 346  (((
347 347  AT+STOPBIT=2 for 2 bits
348 348  )))
349 349  )))
350 350  
351 -=== 3.3.2 Configure sensors ===
349 +=== 3.3.3 Configure sensors ===
352 352  
353 353  
354 354  (((
... ... @@ -371,7 +371,7 @@
371 371  )))
372 372  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
373 373  
374 -=== 3.3.3 Configure read commands for each sampling ===
372 +=== 3.3.4 Configure read commands for each sampling ===
375 375  
376 376  
377 377  (((
... ... @@ -415,6 +415,20 @@
415 415  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
416 416  
417 417  
416 +If a single command exceeds 14 bytes, you can use the command splicing function.
417 +
418 +When AT+CMDDLx=1, the commands of AT+COMMANDx and AT+COMMAND(x+1) will be merged.
419 +
420 +
421 +**Examples:** To send 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F data it should be configured:
422 +
423 + AT+COMMAND1=00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D,0
424 +
425 + AT+COMMAND1=1
426 +
427 + AT+COMMAND2=0E 0F,0
428 +
429 +
418 418  (% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
419 419  
420 420  (% border="1" style="background-color:#f2f2f2; width:510px" %)
... ... @@ -448,7 +448,7 @@
448 448  
449 449  )))
450 450  
451 -=== 3.3.4 Compose the uplink payload ===
463 +=== 3.3.5 Compose the uplink payload ===
452 452  
453 453  
454 454  (((
... ... @@ -533,7 +533,7 @@
533 533  (% 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" %)​
534 534  
535 535  
536 -=== 3.3.5 Uplink on demand ===
548 +=== 3.3.6 Uplink on demand ===
537 537  
538 538  
539 539  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.
... ... @@ -545,12 +545,11 @@
545 545  (% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
546 546  
547 547  
548 -=== 3.3.6 Uplink on Interrupt ===
560 +=== 3.3.7 Uplink on Interrupt ===
549 549  
550 550  
551 551  RS485-LN support external Interrupt uplink since hardware v1.2 release.
552 552  
553 -
554 554  (% 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" %)​
555 555  
556 556  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.
... ... @@ -560,12 +560,12 @@
560 560  
561 561  
562 562  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
563 -|=(% scope="row" style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)(((
564 -Size(bytes)
574 +|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)(((
575 +**Size(bytes)**
565 565  )))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
566 566  **Length depends on the return from the commands**
567 567  )))
568 -|=(% style="width: 90px;" %)(((
579 +|(% style="width:90px" %)(((
569 569  Value
570 570  )))|(% style="width:114px" %)(((
571 571  PAYLOAD_VER
... ... @@ -577,13 +577,9 @@
577 577  provided in the LoRaWAN server.
578 578  )))
579 579  
580 -(% 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"]]
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.
581 581  
582 -(% title="Click and drag to resize" %)​
583 583  
584 -Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
585 -
586 -
587 587  == 3.5 Configure RS485-LN via AT or Downlink ==
588 588  
589 589  
... ... @@ -920,8 +920,13 @@
920 920  
921 921  (% 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" %)​
922 922  
930 +* (((
931 +(% style="color:#037691" %)**Downlink Command:**
932 +)))
923 923  
934 +**~ (% style="color:#4472c4" %)A9 aa(%%)** ~-~-> Same as AT+MBFUN=aa
924 924  
936 +
925 925  ==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
926 926  
927 927  
... ... @@ -1010,6 +1010,8 @@
1010 1010  (% style="color:#4472c4" %)** 0xAD 01**  (%%) **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
1011 1011  
1012 1012  
1025 +(Since firmware v1.4.0)
1026 +
1013 1013  * (((
1014 1014  (% style="color:#037691" %)** AT Command:**
1015 1015  )))
... ... @@ -1026,7 +1026,44 @@
1026 1026  Each uplink is sent to the server at 20-second intervals when segmented.
1027 1027  
1028 1028  
1043 +==== (% style="color:blue" %)**Cut data separation processing(Since Version 1.4.2)**(%%) ====
1029 1029  
1045 +
1046 +AT+NEWLINE command, which only takes effect when AT+DATAUP=1 or AT+DATAUP=1, timeout.
1047 +
1048 +When not set, each part of AT+DATAUP is sent according to the maximum number of bytes of DR.
1049 +
1050 +When setting, each part of AT+DATAUP is sent according to the value set by AT+NEWLINE.
1051 +
1052 +
1053 +* (((
1054 +(% style="color:#037691" %)** AT Command:**
1055 +)))
1056 +
1057 +(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   //The data cut out by each AT+COMMANDx command is sent separately as an uplink.
1058 +
1059 +(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   equal：  (% style="color:#4472c4" %)**AT+NEWLINE=1+2+3+4+5+6+7+8+9+10+11+12+13+14+15**//
1060 +
1061 +
1062 +(% style="color:#4472c4" %)//**AT+NEWLINE=a+b+c**//(%%)//  //The data returned by all commands is divided into three parts, COMMAND(1~~a) is the first part, COMMAND(a+1~~b) is the second part,COMMAND(b+1~~c) is the third part.
1063 +
1064 +
1065 +(% style="color:#4472c4" %)//**AT+NEWLINE=NULL**//(%%)//  //Turn off the functionality of this AT command.
1066 +
1067 +
1068 +* (((
1069 +(% style="color:#037691" %)** Downlink Payload:**
1070 +)))
1071 +
1072 +//AT+NEWLINE=ALL  ~-~-->  (% style="color:#4472c4" %)**0xAC 01**//
1073 +
1074 +// AT+NEWLINE= NULL  ~-~-->  (% style="color:#4472c4" %)**0xAC 00**//
1075 +
1076 +//AT+NEWLINE= a+b+c   ~-~-->  (% style="color:#4472c4" %)**0xAC number of bytes a b c**//
1077 +
1078 +//AT+NEWLINE= 1+5+15 ~-~-->  (% style="color:#4472c4" %)**0xAC 03 01 05 0F**//
1079 +
1080 +
1030 1030  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1031 1031  
1032 1032  
... ... @@ -1334,8 +1334,6 @@
1334 1334  To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1335 1335  )))
1336 1336  
1337 -
1338 -
1339 1339  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
1340 1340  |=(% style="width: 156px; background-color:#D9E2F3;color:#0070C0" %)(((
1341 1341  **Command example**
... ... @@ -1589,6 +1589,12 @@
1589 1589  (% aria-label="image-20220602175912-14.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175912-14.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" %)​
1590 1590  
1591 1591  
1641 +
1642 +(% style="color:red" %)**Users can select the new burning software STM32Cubeprogramer for firmware upgrade and follow the same connection steps to enter burning mode (until SYS LED is RED ON):**
1643 +
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 +
1646 +
1592 1592  (% 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:**
1593 1593  
1594 1594  (% 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" %)​
... ... @@ -1741,6 +1741,17 @@
1741 1741  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)
1742 1742  
1743 1743  
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 +
1744 1744  = 7. Trouble Shooting =
1745 1745  
1746 1746  == 7.1 Downlink doesn't work, how to solve it? ==
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