Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 97.3 >
edited by Xiaoling
on 2022/11/30 14:59
To version < 79.2 >
edited by Xiaoling
on 2022/10/13 17:07
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -30,39 +30,53 @@
30 30  
31 31  = 1.Introduction =
32 32  
33 +
33 33  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
34 34  
35 -
36 36  (((
37 +(((
38 +(((
39 +
40 +
37 37  The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
38 38  )))
43 +)))
39 39  
40 40  (((
46 +(((
41 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  )))
49 +)))
43 43  
44 44  (((
52 +(((
45 45  (% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
46 46  )))
55 +)))
47 47  
48 48  (((
58 +(((
49 49  (% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
50 50  )))
51 51  
52 52  (((
53 53  (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
64 +
65 +
54 54  )))
67 +)))
68 +)))
55 55  
56 -
57 57  (% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" 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" %)​
58 58  
59 59  
73 +
60 60  == 1.2 Specifications ==
61 61  
62 62  
63 63  (% style="color:#037691" %)**Hardware System:**
64 64  
65 -* STM32L072xxxx MCU
79 +* STM32L072CZT6 MCU
66 66  * SX1276/78 Wireless Chip 
67 67  * Power Consumption (exclude RS485 device):
68 68  ** Idle: 32mA@12v
... ... @@ -142,6 +142,7 @@
142 142  v1.0: Release
143 143  )))
144 144  
159 +
145 145  
146 146  )))
147 147  )))
... ... @@ -161,11 +161,13 @@
161 161  
162 162  (% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.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" %)​
163 163  
179 +
164 164  
165 165  )))
166 166  
167 167  = 3. Operation Mode =
168 168  
185 +
169 169  == 3.1 How it works? ==
170 170  
171 171  
... ... @@ -174,6 +174,7 @@
174 174  The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
175 175  )))
176 176  
194 +
177 177  
178 178  )))
179 179  
... ... @@ -262,6 +262,7 @@
262 262  (% 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" %)​
263 263  
264 264  
283 +
265 265  == 3.3 Configure Commands to read data ==
266 266  
267 267  
... ... @@ -279,6 +279,7 @@
279 279  (% 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**
280 280  )))
281 281  
301 +
282 282  
283 283  )))
284 284  )))
... ... @@ -289,10 +289,10 @@
289 289  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:
290 290  
291 291  
292 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
312 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
293 293  |=(% style="width: 110px;" %)(((
294 294  **AT Commands**
295 -)))|=(% style="width: 210px;" %)(((
315 +)))|=(% style="width: 190px;" %)(((
296 296  **Description**
297 297  )))|=(% style="width: 190px;" %)(((
298 298  **Example**
... ... @@ -360,8 +360,8 @@
360 360  )))
361 361  )))
362 362  
363 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
364 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 190px;" %)**Example**
383 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
384 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
365 365  |AT+CFGDEV|(% style="width:110px" %)(((
366 366  (((
367 367  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
... ... @@ -410,7 +410,7 @@
410 410  
411 411  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
412 412  |(% style="width:496px" %)(((
413 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
433 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
414 414  
415 415  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
416 416  
... ... @@ -452,6 +452,7 @@
452 452  
453 453  (% aria-label="image-20220602153621-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-3.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" %)​
454 454  
475 +
455 455  
456 456  )))
457 457  
... ... @@ -495,15 +495,11 @@
495 495  Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
496 496  
497 497  
498 -~1. PAYVER: Defined by AT+PAYVER
519 +1. PAYVER: Defined by AT+PAYVER
520 +1. PAYLOAD COUNT: Total how many uplinks of this sampling.
521 +1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
522 +1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
499 499  
500 -2. PAYLOAD COUNT: Total how many uplinks of this sampling.
501 -
502 -3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
503 -
504 -4. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
505 -
506 -
507 507  (% aria-label="image-20220602155039-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602155039-4.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" %)​
508 508  
509 509  
... ... @@ -540,6 +540,7 @@
540 540  (% 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" %)​
541 541  
542 542  
560 +
543 543  === 3.3.5 Uplink on demand ===
544 544  
545 545  
... ... @@ -552,6 +552,7 @@
552 552  (% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
553 553  
554 554  
573 +
555 555  === 3.3.6 Uplink on Interrupt ===
556 556  
557 557  
... ... @@ -563,16 +563,17 @@
563 563  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.
564 564  
565 565  
585 +
566 566  == 3.4 Uplink Payload ==
567 567  
568 568  
569 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
570 -|=(% scope="row" style="width: 60px;" %)(((
589 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:520px" %)
590 +|(% style="width:90px" %)(((
571 571  Size(bytes)
572 -)))|(% style="width:80px" %)1|(% style="width:360px" %)(((
592 +)))|(% style="width:114px" %)1|(% style="width:353px" %)(((
573 573  Length depends on the return from the commands
574 574  )))
575 -|=(% style="width: 90px;" %)(((
595 +|(% style="width:90px" %)(((
576 576  Value
577 577  )))|(% style="width:114px" %)(((
578 578  PAYLOAD_VER
... ... @@ -591,6 +591,7 @@
591 591  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
592 592  
593 593  
614 +
594 594  == 3.5 Configure RS485-LN via AT or Downlink ==
595 595  
596 596  
... ... @@ -622,6 +622,7 @@
622 622  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
623 623  
624 624  
646 +
625 625  === 3.5.2 Downlink Response(Since firmware v1.4) ===
626 626  
627 627  
... ... @@ -635,10 +635,12 @@
635 635  The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
636 636  
637 637  
660 +
638 638  === 3.5.3 Sensor related commands ===
639 639  
640 640  
641 641  
665 +
642 642  ==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
643 643  
644 644  
... ... @@ -1180,26 +1180,23 @@
1180 1180  )))
1181 1181  
1182 1182  
1183 -
1184 -
1185 1185  ==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
1186 1186  
1187 -
1188 1188  * (((
1189 1189  (% style="color:#037691" %)** AT Command:**
1190 1190  )))
1191 1191  
1192 -(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
1213 +**~ AT+DATABIT=7  **~/~/ Set the data bits to 7
1193 1193  
1194 -(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
1215 +**~ AT+DATABIT=8  **~/~/ Set the data bits to 8
1195 1195  
1196 1196  * (((
1197 1197  (% style="color:#037691" %)**Downlink Payload:**
1198 1198  )))
1199 1199  
1200 -(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
1221 +**~ A7 04 07**: Same as  AT+DATABIT=7
1201 1201  
1202 -(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
1223 +**~ A7 04 08**: Same as  AT+DATABIT=8
1203 1203  
1204 1204  
1205 1205  
... ... @@ -1335,6 +1335,7 @@
1335 1335  [[image:image-20220824144240-1.png]]
1336 1336  
1337 1337  
1359 +
1338 1338  == 3.6 Listening mode for RS485 network ==
1339 1339  
1340 1340  
... ... @@ -1414,15 +1414,15 @@
1414 1414  )))
1415 1415  
1416 1416  (((
1417 -The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
1439 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1418 1418  )))
1419 1419  
1420 1420  (((
1421 -And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1443 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1422 1422  )))
1423 1423  
1424 1424  (((
1425 -RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b  **(% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1447 +RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1426 1426  
1427 1427  
1428 1428  )))
... ... @@ -1442,11 +1442,12 @@
1442 1442  )))
1443 1443  
1444 1444  
1467 +
1445 1445  == 3.7 Buttons ==
1446 1446  
1447 1447  
1448 1448  (% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1449 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature**
1472 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1450 1450  |(% 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**
1451 1451  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1452 1452  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
... ... @@ -1469,8 +1469,10 @@
1469 1469  User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
1470 1470  
1471 1471  
1495 +
1472 1472  = 5. Use AT Command =
1473 1473  
1498 +
1474 1474  == 5.1 Access AT Command ==
1475 1475  
1476 1476  
... ... @@ -1498,8 +1498,10 @@
1498 1498  )))
1499 1499  
1500 1500  
1526 +
1501 1501  == 5.2 Common AT Command Sequence ==
1502 1502  
1529 +
1503 1503  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1504 1504  
1505 1505  
... ... @@ -1560,8 +1560,10 @@
1560 1560  (% aria-label="1654162478620-421.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162478620-421.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" %)​
1561 1561  
1562 1562  
1590 +
1563 1563  = 6. FAQ =
1564 1564  
1593 +
1565 1565  == 6.1 How to upgrade the image? ==
1566 1566  
1567 1567  
... ... @@ -1628,6 +1628,7 @@
1628 1628  (% 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" %)​
1629 1629  
1630 1630  
1660 +
1631 1631  == 6.2 How to change the LoRa Frequency Bands/Region? ==
1632 1632  
1633 1633  
... ... @@ -1634,6 +1634,7 @@
1634 1634  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1635 1635  
1636 1636  
1667 +
1637 1637  == 6.3 How many RS485-Slave can RS485-LN connects? ==
1638 1638  
1639 1639  
... ... @@ -1640,6 +1640,7 @@
1640 1640  The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1641 1641  
1642 1642  
1674 +
1643 1643  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1644 1644  
1645 1645  
... ... @@ -1648,12 +1648,14 @@
1648 1648  Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1649 1649  
1650 1650  
1683 +
1651 1651  == 6.5 Can i use point to point communication for RS485-LN? ==
1652 1652  
1653 1653  
1654 -Yes, please updating point-to-point [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]]，then refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1687 +Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1655 1655  
1656 1656  
1690 +
1657 1657  == 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1658 1658  
1659 1659  
... ... @@ -1660,117 +1660,10 @@
1660 1660  [[Use RS485-BL or RS485-LN to connect to RS232 devices. - DRAGINO>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/RS485%20to%20RS232/]]
1661 1661  
1662 1662  
1663 -== 6.7 How to judge whether there is a problem with the set COMMAND ==
1664 1664  
1665 -=== 6.7.1 Introduce: ===
1666 -
1667 -
1668 -Users can use below the structure to fast debug the communication between RS485BL and RS485-LN. The principle is to put the PC in the RS485 network and sniff the packet between Modbus MTU and RS485-BL/LN. We can use this way to:
1669 -
1670 -1. Test if Modbus-MTU works with PC commands.
1671 -1. Check if RS485-LN sent the expected command to Mobus-MTU
1672 -1. Check if Modbus-MTU return back the expected result to RS485-LN.
1673 -1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1674 -
1675 -[[image:image-20221130104310-1.png||height="380" width="680"]]
1676 -
1677 -
1678 -Example Connection:
1679 -
1680 -[[image:image-20221130104310-2.png]]
1681 -
1682 -
1683 -=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
1684 -
1685 -
1686 -(% style="color:red" %)**Note: Receive and send set to hex mode**
1687 -
1688 -[[image:image-20221130104310-3.png||height="616" width="714"]]
1689 -
1690 -
1691 -=== 6.7.3 With ModRSsim2: ===
1692 -
1693 -
1694 -(% style="color:blue" %)**(1) Select serial port MODBUS RS-232**
1695 -
1696 -[[image:image-20221130104310-4.png||height="390" width="865"]]
1697 -
1698 -
1699 -(% style="color:blue" %)**(2) Click the serial port icon**
1700 -
1701 -[[image:image-20221130104310-5.png||height="392" width="870"]]
1702 -
1703 -
1704 -(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
1705 -
1706 -[[image:image-20221130104310-6.png]]
1707 -
1708 -
1709 -(% style="color:blue" %)**(4) Click the comms.**
1710 -
1711 -[[image:image-20221130104310-7.png||height="376" width="835"]]
1712 -
1713 -(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
1714 -**Run RS485-LN/BL command and monitor if it is correct.**
1715 -
1716 -
1717 -=== 6.7.4 Example – Test the CFGDEV command ===
1718 -
1719 -
1720 -RS485-LN sent below command:
1721 -
1722 -(% style="color:blue" %)**AT+CFGDEV=01 03 20 00 01 85 c0,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
1723 -
1724 -
1725 -We can see the output from the Serial port tool to analyze. And check if they are expected result.
1726 -
1727 -[[image:image-20221130104310-8.png||height="214" width="797"]]
1728 -
1729 -
1730 -We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
1731 -
1732 -[[image:image-20221130104310-9.png||height="531" width="729"]]
1733 -
1734 -
1735 -=== 6.7.5 Example – Test CMD command sets. ===
1736 -
1737 -
1738 -Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
1739 -
1740 -
1741 -(% style="color:blue" %)**Serial port tool:**
1742 -
1743 -[[image:image-20221130104310-10.png||height="339" width="844"]]
1744 -
1745 -
1746 -(% style="color:blue" %)**ModRSsim2:**
1747 -
1748 -[[image:image-20221130104310-11.png||height="281" width="962"]]
1749 -
1750 -
1751 -=== 6.7.6 Test with PC ===
1752 -
1753 -
1754 -If there is still have problem to set up correctly the commands between RS485-LN and MTU. User can test the correct RS485 command set in PC and compare with the RS485 command sent out via RS485-LN. as long as both commands are the same, the MTU should return correct result.
1755 -
1756 -
1757 -Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
1758 -
1759 -(% style="color:blue" %)**Connection method：**
1760 -
1761 -[[image:image-20221130104310-12.png]]
1762 -
1763 -
1764 -(% style="color:blue" %)**Link situation:**
1765 -
1766 -[[image:image-20221130104310-13.png||height="458" width="486"]]
1767 -
1768 -
1769 -[[image:image-20221130104310-14.png||height="371" width="823"]]
1770 -
1771 -
1772 1772  = 7. Trouble Shooting =
1773 1773  
1700 +
1774 1774  == 7.1 Downlink doesn't work, how to solve it? ==
1775 1775  
1776 1776  
... ... @@ -1777,6 +1777,7 @@
1777 1777  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1778 1778  
1779 1779  
1707 +
1780 1780  == 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1781 1781  
1782 1782  
... ... @@ -1783,6 +1783,7 @@
1783 1783  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1784 1784  
1785 1785  
1714 +
1786 1786  = 8. Order Info =
1787 1787  
1788 1788  
... ... @@ -1873,6 +1873,7 @@
1873 1873  )))
1874 1874  
1875 1875  
1805 +
1876 1876  = 11. Support =
1877 1877  
1878 1878  
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