Last modified by Bei Jinggeng on 2025/01/10 15:06
<
From version < 113.1 >
edited by Bei Jinggeng
on 2024/06/20 14:56
To version < 104.2 >
edited by Xiaoling
on 2023/04/25 17:54
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.Xiaoling
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, 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, smartphone detection, building automation, and so on.
42 42  )))
43 43  
44 44  (((
... ... @@ -94,6 +94,8 @@
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 +
97 97  == 1.3 Features ==
98 98  
99 99  
... ... @@ -106,6 +106,8 @@
106 106  * Support Modbus protocol
107 107  * Support Interrupt uplink (Since hardware version v1.2)
108 108  
111 +
112 +
109 109  == 1.4 Applications ==
110 110  
111 111  
... ... @@ -116,6 +116,8 @@
116 116  * Smart Cities
117 117  * Smart Factory
118 118  
123 +
124 +
119 119  == 1.5 Firmware Change log ==
120 120  
121 121  
... ... @@ -245,6 +245,7 @@
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  
254 +
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  
... ... @@ -254,44 +254,38 @@
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 ==
264 +== 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.
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.
261 261  
272 +
273 +)))
274 +)))
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 ===
281 +
281 281  )))
282 282  )))
283 283  
284 -==== 3.3.2.1 Configure UART settings for RS485 communication ====
285 +=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
285 285  
286 286  
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:
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:
288 288  
289 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
290 -|=(% style="width: 126px; background-color:#4F81BD;color:white" %)(((
290 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
291 +|=(% style="width: 126px; background-color:#D9E2F3;color:#0070C0" %)(((
291 291  **AT Commands**
292 -)))|=(% style="width: 187px; background-color:#4F81BD;color:white" %)(((
293 +)))|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)(((
293 293  **Description**
294 -)))|=(% style="width: 197px;background-color:#4F81BD;color:white" %)(((
295 +)))|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)(((
295 295  **Example**
296 296  )))
297 297  |(% style="width:126px" %)(((
... ... @@ -347,15 +347,17 @@
347 347  )))
348 348  )))
349 349  
350 -=== 3.3.3 Configure sensors ===
351 351  
352 352  
353 +=== 3.3.2 Configure sensors ===
354 +
355 +
353 353  (((
354 354  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.
355 355  )))
356 356  
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**
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**
359 359  |(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
360 360  (((
361 361  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
... ... @@ -370,9 +370,11 @@
370 370  )))
371 371  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
372 372  
373 -=== 3.3.4 Configure read commands for each sampling ===
374 374  
375 375  
378 +=== 3.3.3 Configure read commands for each sampling ===
379 +
380 +
376 376  (((
377 377  During each sampling, we need confirm what commands we need to send to the RS485 sensors to read data. After the RS485 sensors send back the value, it normally include some bytes and we only need a few from them for a shorten payload.
378 378  
... ... @@ -414,20 +414,6 @@
414 414  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
415 415  
416 416  
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 -
431 431  (% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
432 432  
433 433  (% border="1" style="background-color:#f2f2f2; width:510px" %)
... ... @@ -461,7 +461,7 @@
461 461  
462 462  )))
463 463  
464 -=== 3.3.5 Compose the uplink payload ===
455 +=== 3.3.4 Compose the uplink payload ===
465 465  
466 466  
467 467  (((
... ... @@ -546,7 +546,7 @@
546 546  (% 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" %)​
547 547  
548 548  
549 -=== 3.3.6 Uplink on demand ===
540 +=== 3.3.5 Uplink on demand ===
550 550  
551 551  
552 552  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.
... ... @@ -558,11 +558,12 @@
558 558  (% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
559 559  
560 560  
561 -=== 3.3.7 Uplink on Interrupt ===
552 +=== 3.3.6 Uplink on Interrupt ===
562 562  
563 563  
564 564  RS485-LN support external Interrupt uplink since hardware v1.2 release.
565 565  
557 +
566 566  (% 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" %)​
567 567  
568 568  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.
... ... @@ -571,13 +571,13 @@
571 571  == 3.4 Uplink Payload ==
572 572  
573 573  
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" %)(((
566 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
567 +|=(% scope="row" style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)(((
568 +Size(bytes)
569 +)))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
578 578  **Length depends on the return from the commands**
579 579  )))
580 -|(% style="width:90px" %)(((
572 +|=(% style="width: 90px;" %)(((
581 581  Value
582 582  )))|(% style="width:114px" %)(((
583 583  PAYLOAD_VER
... ... @@ -589,9 +589,13 @@
589 589  provided in the LoRaWAN server.
590 590  )))
591 591  
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.
584 +(% 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"]]
593 593  
586 +(% title="Click and drag to resize" %)​
594 594  
588 +Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
589 +
590 +
595 595  == 3.5 Configure RS485-LN via AT or Downlink ==
596 596  
597 597  
... ... @@ -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  
... ... @@ -1023,8 +1023,6 @@
1023 1023  (% 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.
1024 1024  
1025 1025  
1026 -(Since firmware v1.4.0)
1027 -
1028 1028  * (((
1029 1029  (% style="color:#037691" %)** AT Command:**
1030 1030  )))
... ... @@ -1041,44 +1041,7 @@
1041 1041  Each uplink is sent to the server at 20-second intervals when segmented.
1042 1042  
1043 1043  
1044 -==== (% style="color:blue" %)**Cut data separation processing(Since Version 1.4.2)**(%%) ====
1045 1045  
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 -
1082 1082  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1083 1083  
1084 1084  
... ... @@ -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" %)(((
1341 +
1342 +
1343 +(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
1344 +|=(% style="width: 156px; background-color:#D9E2F3;color:#0070C0" %)(((
1391 1391  **Command example**
1392 -)))|=(% style="width: 355px; background-color:#4F81BD;color:white" %)(((
1346 +)))|=(% style="width: 355px; background-color:#D9E2F3;color:#0070C0" %)(((
1393 1393  **Function**
1394 1394  )))
1395 1395  |(% style="width:156px" %)(((
... ... @@ -1468,19 +1468,23 @@
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**
1425 +|=(% 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"]]
1475 1475  
1430 +
1431 +
1476 1476  == 3.8 LEDs ==
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**
1436 +|=(% 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  
1440 +
1441 +
1484 1484  = 4. Case Study =
1485 1485  
1486 1486  
... ... @@ -1639,12 +1639,6 @@
1639 1639  (% 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" %)​
1640 1640  
1641 1641  
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 -
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" %)​
... ... @@ -1797,17 +1797,6 @@
1797 1797  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)
1798 1798  
1799 1799  
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 -
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? ==
1760 +== 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  
... ... @@ -1864,6 +1864,8 @@
1864 1864  * (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1865 1865  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1866 1866  
1784 +
1785 +
1867 1867  = 9. Packing Info =
1868 1868  
1869 1869  
... ... @@ -1880,6 +1880,8 @@
1880 1880  * Package Size / pcs : 14.5 x 8 x 5 cm
1881 1881  * Weight / pcs : 170g
1882 1882  
1802 +
1803 +
1883 1883  = 10. FCC Caution for RS485LN-US915 =
1884 1884  
1885 1885  
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