Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 93.1 >
edited by Bei Jinggeng
on 2022/11/30 10:43
To version < 97.3 >
edited by Xiaoling
on 2022/11/30 14:59
>
Change comment: There is no comment for this version

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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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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  
... ... @@ -58,7 +58,6 @@
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  
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144 144  v1.0: Release
145 145  )))
146 146  
147 -
148 148  
149 149  )))
150 150  )))
... ... @@ -164,13 +164,11 @@
164 164  
165 165  (% 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" %)​
166 166  
167 -
168 168  
169 169  )))
170 170  
171 171  = 3. Operation Mode =
172 172  
173 -
174 174  == 3.1 How it works? ==
175 175  
176 176  
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179 179  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.
180 180  )))
181 181  
182 -
183 183  
184 184  )))
185 185  
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268 268  (% 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" %)​
269 269  
270 270  
271 -
272 272  == 3.3 Configure Commands to read data ==
273 273  
274 274  
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286 286  (% 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**
287 287  )))
288 288  
289 -
290 290  
291 291  )))
292 292  )))
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460 460  
461 461  (% 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" %)​
462 462  
463 -
464 464  
465 465  )))
466 466  
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549 549  (% 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" %)​
550 550  
551 551  
552 -
553 553  === 3.3.5 Uplink on demand ===
554 554  
555 555  
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562 562  (% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
563 563  
564 564  
565 -
566 566  === 3.3.6 Uplink on Interrupt ===
567 567  
568 568  
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574 574  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.
575 575  
576 576  
577 -
578 578  == 3.4 Uplink Payload ==
579 579  
580 580  
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603 603  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
604 604  
605 605  
606 -
607 607  == 3.5 Configure RS485-LN via AT or Downlink ==
608 608  
609 609  
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635 635  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]]
636 636  
637 637  
638 -
639 639  === 3.5.2 Downlink Response(Since firmware v1.4) ===
640 640  
641 641  
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649 649  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)
650 650  
651 651  
652 -
653 653  === 3.5.3 Sensor related commands ===
654 654  
655 655  
656 656  
657 -
658 658  ==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
659 659  
660 660  
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1351 1351  [[image:image-20220824144240-1.png]]
1352 1352  
1353 1353  
1354 -
1355 1355  == 3.6 Listening mode for RS485 network ==
1356 1356  
1357 1357  
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1431 1431  )))
1432 1432  
1433 1433  (((
1434 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1417 +The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
1435 1435  )))
1436 1436  
1437 1437  (((
1438 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1421 +And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1439 1439  )))
1440 1440  
1441 1441  (((
1442 -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
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**
1443 1443  
1444 1444  
1445 1445  )))
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1459 1459  )))
1460 1460  
1461 1461  
1462 -
1463 1463  == 3.7 Buttons ==
1464 1464  
1465 1465  
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1487 1487  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]]
1488 1488  
1489 1489  
1490 -
1491 1491  = 5. Use AT Command =
1492 1492  
1493 -
1494 1494  == 5.1 Access AT Command ==
1495 1495  
1496 1496  
... ... @@ -1518,10 +1518,8 @@
1518 1518  )))
1519 1519  
1520 1520  
1521 -
1522 1522  == 5.2 Common AT Command Sequence ==
1523 1523  
1524 -
1525 1525  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1526 1526  
1527 1527  
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1582 1582  (% 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" %)​
1583 1583  
1584 1584  
1585 -
1586 1586  = 6. FAQ =
1587 1587  
1588 -
1589 1589  == 6.1 How to upgrade the image? ==
1590 1590  
1591 1591  
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1652 1652  (% 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" %)​
1653 1653  
1654 1654  
1655 -
1656 1656  == 6.2 How to change the LoRa Frequency Bands/Region? ==
1657 1657  
1658 1658  
... ... @@ -1659,7 +1659,6 @@
1659 1659  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1660 1660  
1661 1661  
1662 -
1663 1663  == 6.3 How many RS485-Slave can RS485-LN connects? ==
1664 1664  
1665 1665  
... ... @@ -1666,7 +1666,6 @@
1666 1666  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"]].
1667 1667  
1668 1668  
1669 -
1670 1670  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1671 1671  
1672 1672  
... ... @@ -1675,7 +1675,6 @@
1675 1675  Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1676 1676  
1677 1677  
1678 -
1679 1679  == 6.5 Can i use point to point communication for RS485-LN? ==
1680 1680  
1681 1681  
... ... @@ -1682,7 +1682,6 @@
1682 1682  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]].
1683 1683  
1684 1684  
1685 -
1686 1686  == 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1687 1687  
1688 1688  
... ... @@ -1689,10 +1689,117 @@
1689 1689  [[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/]]
1690 1690  
1691 1691  
1663 +== 6.7 How to judge whether there is a problem with the set COMMAND ==
1692 1692  
1693 -= 7. Trouble Shooting =
1665 +=== 6.7.1 Introduce: ===
1694 1694  
1695 1695  
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 += 7. Trouble Shooting =
1773 +
1696 1696  == 7.1 Downlink doesn't work, how to solve it? ==
1697 1697  
1698 1698  
... ... @@ -1699,7 +1699,6 @@
1699 1699  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1700 1700  
1701 1701  
1702 -
1703 1703  == 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1704 1704  
1705 1705  
... ... @@ -1706,7 +1706,6 @@
1706 1706  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1707 1707  
1708 1708  
1709 -
1710 1710  = 8. Order Info =
1711 1711  
1712 1712  
... ... @@ -1797,7 +1797,6 @@
1797 1797  )))
1798 1798  
1799 1799  
1800 -
1801 1801  = 11. Support =
1802 1802  
1803 1803  
image-20221130104310-14.png
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