Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 79.5 >
edited by Xiaoling
on 2022/10/27 10:55
To version < 98.1 >
edited by Bei Jinggeng
on 2022/12/06 09:45
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -30,7 +30,6 @@
30 30  
31 31  = 1.Introduction =
32 32  
33 -
34 34  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
35 35  
36 36  
... ... @@ -58,13 +58,12 @@
58 58  (% 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" %)​
59 59  
60 60  
61 -
62 62  == 1.2 Specifications ==
63 63  
64 64  
65 65  (% style="color:#037691" %)**Hardware System:**
66 66  
67 -* STM32L072CZT6 MCU
65 +* STM32L072xxxx MCU
68 68  * SX1276/78 Wireless Chip 
69 69  * Power Consumption (exclude RS485 device):
70 70  ** Idle: 32mA@12v
... ... @@ -96,6 +96,7 @@
96 96  * Automatic RF Sense and CAD with ultra-fast AFC.
97 97  * Packet engine up to 256 bytes with CRC
98 98  
97 +
99 99  == 1.3 Features ==
100 100  
101 101  
... ... @@ -108,6 +108,7 @@
108 108  * Support Modbus protocol
109 109  * Support Interrupt uplink (Since hardware version v1.2)
110 110  
110 +
111 111  == 1.4 Applications ==
112 112  
113 113  
... ... @@ -118,6 +118,7 @@
118 118  * Smart Cities
119 119  * Smart Factory
120 120  
121 +
121 121  == 1.5 Firmware Change log ==
122 122  
123 123  
... ... @@ -138,7 +138,6 @@
138 138  v1.0: Release
139 139  )))
140 140  
141 -
142 142  
143 143  )))
144 144  )))
... ... @@ -158,13 +158,11 @@
158 158  
159 159  (% 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" %)​
160 160  
161 -
162 162  
163 163  )))
164 164  
165 165  = 3. Operation Mode =
166 166  
167 -
168 168  == 3.1 How it works? ==
169 169  
170 170  
... ... @@ -173,7 +173,6 @@
173 173  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.
174 174  )))
175 175  
176 -
177 177  
178 178  )))
179 179  
... ... @@ -262,7 +262,6 @@
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  
265 -
266 266  == 3.3 Configure Commands to read data ==
267 267  
268 268  
... ... @@ -280,7 +280,6 @@
280 280  (% 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**
281 281  )))
282 282  
283 -
284 284  
285 285  )))
286 286  )))
... ... @@ -349,6 +349,7 @@
349 349  )))
350 350  )))
351 351  
347 +
352 352  === 3.3.2 Configure sensors ===
353 353  
354 354  
... ... @@ -376,6 +376,7 @@
376 376  )))
377 377  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
378 378  
375 +
379 379  === 3.3.3 Configure read commands for each sampling ===
380 380  
381 381  
... ... @@ -408,7 +408,7 @@
408 408  
409 409  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
410 410  |(% style="width:496px" %)(((
411 -(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
408 +**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
412 412  
413 413  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
414 414  
... ... @@ -450,7 +450,6 @@
450 450  
451 451  (% 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" %)​
452 452  
453 -
454 454  
455 455  )))
456 456  
... ... @@ -494,11 +494,15 @@
494 494  Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
495 495  
496 496  
497 -1. PAYVER: Defined by AT+PAYVER
498 -1. PAYLOAD COUNT: Total how many uplinks of this sampling.
499 -1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
500 -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
493 +~1. PAYVER: Defined by AT+PAYVER
501 501  
495 +2. PAYLOAD COUNT: Total how many uplinks of this sampling.
496 +
497 +3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
498 +
499 +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
500 +
501 +
502 502  (% 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" %)​
503 503  
504 504  
... ... @@ -535,7 +535,6 @@
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 -
539 539  === 3.3.5 Uplink on demand ===
540 540  
541 541  
... ... @@ -548,7 +548,6 @@
548 548  (% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
549 549  
550 550  
551 -
552 552  === 3.3.6 Uplink on Interrupt ===
553 553  
554 554  
... ... @@ -560,17 +560,16 @@
560 560  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.
561 561  
562 562  
563 -
564 564  == 3.4 Uplink Payload ==
565 565  
566 566  
567 567  (% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
568 -|(% style="width:60px" %)(((
565 +|=(% scope="row" style="width: 60px;" %)(((
569 569  Size(bytes)
570 570  )))|(% style="width:80px" %)1|(% style="width:360px" %)(((
571 571  Length depends on the return from the commands
572 572  )))
573 -|(% style="width:90px" %)(((
570 +|=(% style="width: 90px;" %)(((
574 574  Value
575 575  )))|(% style="width:114px" %)(((
576 576  PAYLOAD_VER
... ... @@ -589,7 +589,6 @@
589 589  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
590 590  
591 591  
592 -
593 593  == 3.5 Configure RS485-LN via AT or Downlink ==
594 594  
595 595  
... ... @@ -621,7 +621,6 @@
621 621  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]]
622 622  
623 623  
624 -
625 625  === 3.5.2 Downlink Response(Since firmware v1.4) ===
626 626  
627 627  
... ... @@ -635,12 +635,10 @@
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  
638 -
639 639  === 3.5.3 Sensor related commands ===
640 640  
641 641  
642 642  
643 -
644 644  ==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
645 645  
646 646  
... ... @@ -1182,23 +1182,26 @@
1182 1182  )))
1183 1183  
1184 1184  
1178 +
1179 +
1185 1185  ==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
1186 1186  
1182 +
1187 1187  * (((
1188 1188  (% style="color:#037691" %)** AT Command:**
1189 1189  )))
1190 1190  
1191 -**~ AT+DATABIT=7    **~/~/ Set the data bits to 7
1187 +(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
1192 1192  
1193 -**~ AT+DATABIT=8    **~/~/ Set the data bits to 8
1189 +(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
1194 1194  
1195 1195  * (((
1196 1196  (% style="color:#037691" %)**Downlink Payload:**
1197 1197  )))
1198 1198  
1199 -**~ A7 04 07**: Same as  AT+DATABIT=7
1195 +(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
1200 1200  
1201 -**~ A7 04 08**: Same as  AT+DATABIT=8
1197 +(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
1202 1202  
1203 1203  
1204 1204  
... ... @@ -1334,7 +1334,6 @@
1334 1334  [[image:image-20220824144240-1.png]]
1335 1335  
1336 1336  
1337 -
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
1412 +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
1416 +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
1420 +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  )))
... ... @@ -1442,16 +1442,16 @@
1442 1442  )))
1443 1443  
1444 1444  
1445 -
1446 1446  == 3.7 Buttons ==
1447 1447  
1448 1448  
1449 1449  (% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1450 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1444 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature**
1451 1451  |(% 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**
1452 1452  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1453 1453  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1454 1454  
1449 +
1455 1455  == 3.8 LEDs ==
1456 1456  
1457 1457  
... ... @@ -1460,6 +1460,7 @@
1460 1460  |**PWR**|Always on if there is power
1461 1461  |**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.
1462 1462  
1458 +
1463 1463  = 4. Case Study =
1464 1464  
1465 1465  
... ... @@ -1466,10 +1466,8 @@
1466 1466  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]]
1467 1467  
1468 1468  
1469 -
1470 1470  = 5. Use AT Command =
1471 1471  
1472 -
1473 1473  == 5.1 Access AT Command ==
1474 1474  
1475 1475  
... ... @@ -1497,10 +1497,8 @@
1497 1497  )))
1498 1498  
1499 1499  
1500 -
1501 1501  == 5.2 Common AT Command Sequence ==
1502 1502  
1503 -
1504 1504  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1505 1505  
1506 1506  
... ... @@ -1561,10 +1561,8 @@
1561 1561  (% 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" %)​
1562 1562  
1563 1563  
1564 -
1565 1565  = 6. FAQ =
1566 1566  
1567 -
1568 1568  == 6.1 How to upgrade the image? ==
1569 1569  
1570 1570  
... ... @@ -1631,7 +1631,6 @@
1631 1631  (% 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" %)​
1632 1632  
1633 1633  
1634 -
1635 1635  == 6.2 How to change the LoRa Frequency Bands/Region? ==
1636 1636  
1637 1637  
... ... @@ -1638,7 +1638,6 @@
1638 1638  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1639 1639  
1640 1640  
1641 -
1642 1642  == 6.3 How many RS485-Slave can RS485-LN connects? ==
1643 1643  
1644 1644  
... ... @@ -1645,7 +1645,6 @@
1645 1645  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"]].
1646 1646  
1647 1647  
1648 -
1649 1649  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1650 1650  
1651 1651  
... ... @@ -1654,14 +1654,12 @@
1654 1654  Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1655 1655  
1656 1656  
1657 -
1658 1658  == 6.5 Can i use point to point communication for RS485-LN? ==
1659 1659  
1660 1660  
1661 -Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1647 +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]].
1662 1662  
1663 1663  
1664 -
1665 1665  == 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1666 1666  
1667 1667  
... ... @@ -1668,10 +1668,122 @@
1668 1668  [[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/]]
1669 1669  
1670 1670  
1656 +== 6.7 How to judge whether there is a problem with the set COMMAND ==
1671 1671  
1672 -= 7. Trouble Shooting =
1658 +=== 6.7.1 Introduce: ===
1673 1673  
1674 1674  
1661 +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:
1662 +
1663 +1. Test if Modbus-MTU works with PC commands.
1664 +1. Check if RS485-LN sent the expected command to Mobus-MTU
1665 +1. Check if Modbus-MTU return back the expected result to RS485-LN.
1666 +1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1667 +
1668 +[[image:image-20221130104310-1.png||height="380" width="680"]]
1669 +
1670 +
1671 +Example Connection:
1672 +
1673 +[[image:image-20221130104310-2.png]]
1674 +
1675 +
1676 +=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
1677 +
1678 +
1679 +(% style="color:red" %)**Note: Receive and send set to hex mode**
1680 +
1681 +[[image:image-20221130104310-3.png||height="616" width="714"]]
1682 +
1683 +
1684 +=== 6.7.3 With ModRSsim2: ===
1685 +
1686 +
1687 +(% style="color:blue" %)**(1) Select serial port MODBUS RS-232**
1688 +
1689 +[[image:image-20221130104310-4.png||height="390" width="865"]]
1690 +
1691 +
1692 +(% style="color:blue" %)**(2) Click the serial port icon**
1693 +
1694 +[[image:image-20221130104310-5.png||height="392" width="870"]]
1695 +
1696 +
1697 +(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
1698 +
1699 +[[image:image-20221130104310-6.png]]
1700 +
1701 +
1702 +(% style="color:blue" %)**(4) Click the comms.**
1703 +
1704 +[[image:image-20221130104310-7.png||height="376" width="835"]]
1705 +
1706 +(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
1707 +**Run RS485-LN/BL command and monitor if it is correct.**
1708 +
1709 +
1710 +=== 6.7.4 Example – Test the CFGDEV command ===
1711 +
1712 +
1713 +RS485-LN sent below command:
1714 +
1715 +(% 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.
1716 +
1717 +
1718 +We can see the output from the Serial port tool to analyze. And check if they are expected result.
1719 +
1720 +[[image:image-20221130104310-8.png||height="214" width="797"]]
1721 +
1722 +
1723 +We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
1724 +
1725 +[[image:image-20221130104310-9.png||height="531" width="729"]]
1726 +
1727 +
1728 +=== 6.7.5 Example – Test CMD command sets. ===
1729 +
1730 +
1731 +Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
1732 +
1733 +
1734 +(% style="color:blue" %)**Serial port tool:**
1735 +
1736 +[[image:image-20221130104310-10.png||height="339" width="844"]]
1737 +
1738 +
1739 +(% style="color:blue" %)**ModRSsim2:**
1740 +
1741 +[[image:image-20221130104310-11.png||height="281" width="962"]]
1742 +
1743 +
1744 +=== 6.7.6 Test with PC ===
1745 +
1746 +
1747 +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.
1748 +
1749 +
1750 +Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
1751 +
1752 +(% style="color:blue" %)**Connection method：**
1753 +
1754 +[[image:image-20221130104310-12.png]]
1755 +
1756 +
1757 +(% style="color:blue" %)**Link situation:**
1758 +
1759 +[[image:image-20221130104310-13.png||height="458" width="486"]]
1760 +
1761 +
1762 +[[image:image-20221130104310-14.png||height="371" width="823"]]
1763 +
1764 +
1765 +== 6.8 Where to get the decoder for RS485-LN? ==
1766 +
1767 +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 for decoders (no intermediate data parsing part involved)
1768 +
1769 +
1770 += 7. Trouble Shooting =
1771 +
1675 1675  == 7.1 Downlink doesn't work, how to solve it? ==
1676 1676  
1677 1677  
... ... @@ -1678,7 +1678,6 @@
1678 1678  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1679 1679  
1680 1680  
1681 -
1682 1682  == 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1683 1683  
1684 1684  
... ... @@ -1685,7 +1685,6 @@
1685 1685  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1686 1686  
1687 1687  
1688 -
1689 1689  = 8. Order Info =
1690 1690  
1691 1691  
... ... @@ -1704,6 +1704,7 @@
1704 1704  * (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1705 1705  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1706 1706  
1802 +
1707 1707  = 9.Packing Info =
1708 1708  
1709 1709  
... ... @@ -1720,6 +1720,7 @@
1720 1720  * Package Size / pcs : 14.5 x 8 x 5 cm
1721 1721  * Weight / pcs : 170g
1722 1722  
1819 +
1723 1723  = 10. FCC Caution for RS485LN-US915 =
1724 1724  
1725 1725  
... ... @@ -1772,7 +1772,6 @@
1772 1772  )))
1773 1773  
1774 1774  
1775 -
1776 1776  = 11. Support =
1777 1777  
1778 1778  
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