Last modified by Bei Jinggeng on 2025/01/10 15:06
<
From version < 102.16 >
edited by Xiaoling
on 2023/04/25 14:05
To version < 115.1 >
edited by Karry Zhuang
on 2024/08/16 11:30
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.karry
Content
... ... @@ -38,7 +38,7 @@
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  (((
... ... @@ -208,7 +208,7 @@
208 208  )))
209 209  )))
210 210  
211 -(% 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" %)​
212 212  
213 213  
214 214  (((
... ... @@ -245,7 +245,6 @@
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 -
249 249  (((
250 250  (% 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.
251 251  
... ... @@ -255,38 +255,44 @@
255 255  (% 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" %)​
256 256  
257 257  
258 -== 3.3 Configure Commands to read data ==
257 +== 3.3 Configure Device to Read RS485 Sensors ==
259 259  
260 260  
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.
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.
265 265  
266 -
267 -)))
268 -)))
269 269  
270 270  (((
271 271  (((
265 +(((
272 272  (% 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**
273 273  )))
274 274  
275 -
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 ===
276 276  )))
277 277  )))
278 278  
279 -=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
284 +==== 3.3.2.1 Configure UART settings for RS485 communication ====
280 280  
281 281  
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:
287 +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:
283 283  
284 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
285 -|=(% style="width: 126px; background-color:#D9E2F3;color:#0070C0" %)(((
289 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
290 +|=(% style="width: 126px; background-color:#4F81BD;color:white" %)(((
286 286  **AT Commands**
287 -)))|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)(((
292 +)))|=(% style="width: 187px; background-color:#4F81BD;color:white" %)(((
288 288  **Description**
289 -)))|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)(((
294 +)))|=(% style="width: 197px;background-color:#4F81BD;color:white" %)(((
290 290  **Example**
291 291  )))
292 292  |(% style="width:126px" %)(((
... ... @@ -304,7 +304,6 @@
304 304  
305 305  (((
306 306  Options: (1200,2400,4800,
307 -
308 308  14400,19200,115200)
309 309  )))
310 310  )))
... ... @@ -319,9 +319,7 @@
319 319  
320 320  (((
321 321  Option: 0: no parity,
322 -
323 323  1: odd parity,
324 -
325 325  2: even parity
326 326  )))
327 327  )))
... ... @@ -331,10 +331,6 @@
331 331  (((
332 332  Set serial stopbit (for RS485 connection)
333 333  )))
334 -
335 -(((
336 -
337 -)))
338 338  )))|(% style="width:193px" %)(((
339 339  (((
340 340  AT+STOPBIT=0 for 1bit
... ... @@ -349,16 +349,15 @@
349 349  )))
350 350  )))
351 351  
350 +=== 3.3.3 Configure sensors ===
352 352  
353 -=== 3.3.2 Configure sensors ===
354 354  
355 -
356 356  (((
357 357  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.
358 358  )))
359 359  
360 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
361 -|=(% 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**
357 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
358 +|=(% 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**
362 362  |(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
363 363  (((
364 364  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
... ... @@ -373,7 +373,7 @@
373 373  )))
374 374  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
375 375  
376 -=== 3.3.3 Configure read commands for each sampling ===
373 +=== 3.3.4 Configure read commands for each sampling ===
377 377  
378 378  
379 379  (((
... ... @@ -417,6 +417,20 @@
417 417  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
418 418  
419 419  
417 +If a single command exceeds 14 bytes, you can use the command splicing function.
418 +
419 +When AT+CMDDLx=1, the commands of AT+COMMANDx and AT+COMMAND(x+1) will be merged.
420 +
421 +
422 +**Examples:** To send 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F data it should be configured:
423 +
424 + AT+COMMAND1=00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D,0
425 +
426 + AT+COMMAND1=1
427 +
428 + AT+COMMAND2=0E 0F,0
429 +
430 +
420 420  (% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
421 421  
422 422  (% border="1" style="background-color:#f2f2f2; width:510px" %)
... ... @@ -450,7 +450,7 @@
450 450  
451 451  )))
452 452  
453 -=== 3.3.4 Compose the uplink payload ===
464 +=== 3.3.5 Compose the uplink payload ===
454 454  
455 455  
456 456  (((
... ... @@ -535,7 +535,7 @@
535 535  (% 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" %)​
536 536  
537 537  
538 -=== 3.3.5 Uplink on demand ===
549 +=== 3.3.6 Uplink on demand ===
539 539  
540 540  
541 541  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.
... ... @@ -547,12 +547,11 @@
547 547  (% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
548 548  
549 549  
550 -=== 3.3.6 Uplink on Interrupt ===
561 +=== 3.3.7 Uplink on Interrupt ===
551 551  
552 552  
553 553  RS485-LN support external Interrupt uplink since hardware v1.2 release.
554 554  
555 -
556 556  (% 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" %)​
557 557  
558 558  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.
... ... @@ -561,13 +561,13 @@
561 561  == 3.4 Uplink Payload ==
562 562  
563 563  
564 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
565 -|=(% scope="row" style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)(((
566 -Size(bytes)
567 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
574 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
575 +|(% style="background-color:#4f81bd; color:white; width:70px" %)(((
576 +**Size(bytes)**
577 +)))|(% style="background-color:#4f81bd; color:white; width:80px" %)**1**|(% style="background-color:#4f81bd; color:white; width:360px" %)(((
568 568  **Length depends on the return from the commands**
569 569  )))
570 -|=(% style="width: 90px;" %)(((
580 +|(% style="width:90px" %)(((
571 571  Value
572 572  )))|(% style="width:114px" %)(((
573 573  PAYLOAD_VER
... ... @@ -579,13 +579,9 @@
579 579  provided in the LoRaWAN server.
580 580  )))
581 581  
582 -(% 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 +(% 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.
583 583  
584 -(% title="Click and drag to resize" %)​
585 585  
586 -Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
587 -
588 -
589 589  == 3.5 Configure RS485-LN via AT or Downlink ==
590 590  
591 591  
... ... @@ -922,8 +922,13 @@
922 922  
923 923  (% 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" %)​
924 924  
931 +* (((
932 +(% style="color:#037691" %)**Downlink Command:**
933 +)))
925 925  
935 +**~ (% style="color:#4472c4" %)A9 aa(%%)** ~-~-> Same as AT+MBFUN=aa
926 926  
937 +
927 927  ==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
928 928  
929 929  
... ... @@ -1012,6 +1012,8 @@
1012 1012  (% 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.
1013 1013  
1014 1014  
1026 +(Since firmware v1.4.0)
1027 +
1015 1015  * (((
1016 1016  (% style="color:#037691" %)** AT Command:**
1017 1017  )))
... ... @@ -1028,7 +1028,44 @@
1028 1028  Each uplink is sent to the server at 20-second intervals when segmented.
1029 1029  
1030 1030  
1044 +==== (% style="color:blue" %)**Cut data separation processing(Since Version 1.4.2)**(%%) ====
1031 1031  
1046 +
1047 +AT+NEWLINE command, which only takes effect when AT+DATAUP=1 or AT+DATAUP=1, timeout.
1048 +
1049 +When not set, each part of AT+DATAUP is sent according to the maximum number of bytes of DR.
1050 +
1051 +When setting, each part of AT+DATAUP is sent according to the value set by AT+NEWLINE.
1052 +
1053 +
1054 +* (((
1055 +(% style="color:#037691" %)** AT Command:**
1056 +)))
1057 +
1058 +(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   //The data cut out by each AT+COMMANDx command is sent separately as an uplink.
1059 +
1060 +(% 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**//
1061 +
1062 +
1063 +(% 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.
1064 +
1065 +
1066 +(% style="color:#4472c4" %)//**AT+NEWLINE=NULL**//(%%)//  //Turn off the functionality of this AT command.
1067 +
1068 +
1069 +* (((
1070 +(% style="color:#037691" %)** Downlink Payload:**
1071 +)))
1072 +
1073 +//AT+NEWLINE=ALL  ~-~-->  (% style="color:#4472c4" %)**0xAC 01**//
1074 +
1075 +// AT+NEWLINE= NULL  ~-~-->  (% style="color:#4472c4" %)**0xAC 00**//
1076 +
1077 +//AT+NEWLINE= a+b+c   ~-~-->  (% style="color:#4472c4" %)**0xAC number of bytes a b c**//
1078 +
1079 +//AT+NEWLINE= 1+5+15 ~-~-->  (% style="color:#4472c4" %)**0xAC 03 01 05 0F**//
1080 +
1081 +
1032 1032  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1033 1033  
1034 1034  
... ... @@ -1336,12 +1336,10 @@
1336 1336  To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1337 1337  )))
1338 1338  
1339 -
1340 -
1341 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
1342 -|=(% style="width: 156px; background-color:#D9E2F3;color:#0070C0" %)(((
1389 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1390 +|=(% style="width: 156px; background-color:#4F81BD;color:white" %)(((
1343 1343  **Command example**
1344 -)))|=(% style="width: 355px; background-color:#D9E2F3;color:#0070C0" %)(((
1392 +)))|=(% style="width: 355px; background-color:#4F81BD;color:white" %)(((
1345 1345  **Function**
1346 1346  )))
1347 1347  |(% style="width:156px" %)(((
... ... @@ -1420,7 +1420,7 @@
1420 1420  
1421 1421  
1422 1422  (% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1423 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Button**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1471 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**Button**|=(% style="width: 380px;background-color:#4F81BD;color:white" %)**Feature**
1424 1424  |(% 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**
1425 1425  |(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
1426 1426  |(% style="width:50px" %)PRO|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
... ... @@ -1429,7 +1429,7 @@
1429 1429  
1430 1430  
1431 1431  (% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1432 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**LEDs**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1480 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**LEDs**|=(% style="width: 380px;background-color:#4F81BD;color:white" %)**Feature**
1433 1433  |PWR|Always on if there is power
1434 1434  |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.
1435 1435  
... ... @@ -1591,6 +1591,12 @@
1591 1591  (% 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" %)​
1592 1592  
1593 1593  
1642 +
1643 +(% 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):**
1644 +
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 +
1647 +
1594 1594  (% 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:**
1595 1595  
1596 1596  (% 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" %)​
... ... @@ -1640,7 +1640,7 @@
1640 1640  1. Check if Modbus-MTU return back the expected result to RS485-LN.
1641 1641  1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1642 1642  
1643 -[[image:image-20221130104310-1.png||height="380" width="680"]]
1697 +[[image:image-20240816112950-1.png||height="382" width="731"]]
1644 1644  
1645 1645  
1646 1646  Example Connection:
... ... @@ -1743,6 +1743,17 @@
1743 1743  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)
1744 1744  
1745 1745  
1800 +== 6.9 How to configure RS485 commands more conveniently？ ==
1801 +
1802 +
1803 +Dragino has developed an application for the RS485 series of products.
1804 +
1805 +It can help you configure RS485 sensors more conveniently
1806 +Please refer to the link below for specific usage：
1807 +
1808 +[[RS485 Configure Tool - DRAGINO>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/#HTableofContentsFF1A]]
1809 +
1810 +
1746 1746  = 7. Trouble Shooting =
1747 1747  
1748 1748  == 7.1 Downlink doesn't work, how to solve it? ==
... ... @@ -1751,12 +1751,36 @@
1751 1751  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1752 1752  
1753 1753  
1754 -== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1819 +== 7.2 Why customers can't join TTN V3 in US915 /AU915 bands? ==
1755 1755  
1756 1756  
1757 1757  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1758 1758  
1759 1759  
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 +
1760 1760  = 8. Order Info =
1761 1761  
1762 1762  
image-20230425175403-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +150.1 KB
Content
image-20230425175410-2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +150.1 KB
Content
image-20240620145456-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Bei
Size
... ... @@ -1,0 +1,1 @@
1 +50.3 KB
Content
image-20240816112950-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.karry
Size
... ... @@ -1,0 +1,1 @@
1 +230.3 KB
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0