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 < 91.1 >
edited by Bei Jinggeng
on 2022/11/30 10:43
>
Change comment: Uploaded new attachment "image-20221130104310-11.png", version {1}

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Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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30 30  
31 31  = 1.Introduction =
32 32  
33 +
33 33  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
34 34  
35 35  
... ... @@ -57,6 +57,7 @@
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  
61 +
60 60  == 1.2 Specifications ==
61 61  
62 62  
... ... @@ -142,6 +142,7 @@
142 142  v1.0: Release
143 143  )))
144 144  
147 +
145 145  
146 146  )))
147 147  )))
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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  
167 +
164 164  
165 165  )))
166 166  
167 167  = 3. Operation Mode =
168 168  
173 +
169 169  == 3.1 How it works? ==
170 170  
171 171  
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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  
182 +
177 177  
178 178  )))
179 179  
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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  
271 +
265 265  == 3.3 Configure Commands to read data ==
266 266  
267 267  
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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  
289 +
282 282  
283 283  )))
284 284  )))
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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  
463 +
455 455  
456 456  )))
457 457  
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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  
552 +
543 543  === 3.3.5 Uplink on demand ===
544 544  
545 545  
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552 552  (% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
553 553  
554 554  
565 +
555 555  === 3.3.6 Uplink on Interrupt ===
556 556  
557 557  
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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  
577 +
566 566  == 3.4 Uplink Payload ==
567 567  
568 568  
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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  
606 +
594 594  == 3.5 Configure RS485-LN via AT or Downlink ==
595 595  
596 596  
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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  
638 +
625 625  === 3.5.2 Downlink Response(Since firmware v1.4) ===
626 626  
627 627  
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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  
652 +
638 638  === 3.5.3 Sensor related commands ===
639 639  
640 640  
641 641  
657 +
642 642  ==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
643 643  
644 644  
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1335 1335  [[image:image-20220824144240-1.png]]
1336 1336  
1337 1337  
1354 +
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**
1434 +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**
1438 +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**
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
1426 1426  
1427 1427  
1428 1428  )))
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1442 1442  )))
1443 1443  
1444 1444  
1462 +
1445 1445  == 3.7 Buttons ==
1446 1446  
1447 1447  
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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  
1490 +
1472 1472  = 5. Use AT Command =
1473 1473  
1493 +
1474 1474  == 5.1 Access AT Command ==
1475 1475  
1476 1476  
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1498 1498  )))
1499 1499  
1500 1500  
1521 +
1501 1501  == 5.2 Common AT Command Sequence ==
1502 1502  
1524 +
1503 1503  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1504 1504  
1505 1505  
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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  
1585 +
1563 1563  = 6. FAQ =
1564 1564  
1588 +
1565 1565  == 6.1 How to upgrade the image? ==
1566 1566  
1567 1567  
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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  
1655 +
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  
1662 +
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  
1669 +
1643 1643  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1644 1644  
1645 1645  
... ... @@ -1648,6 +1648,7 @@
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  
1678 +
1651 1651  == 6.5 Can i use point to point communication for RS485-LN? ==
1652 1652  
1653 1653  
... ... @@ -1654,6 +1654,7 @@
1654 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]].
1655 1655  
1656 1656  
1685 +
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  
1695 +
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  
1702 +
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  
1709 +
1786 1786  = 8. Order Info =
1787 1787  
1788 1788  
... ... @@ -1873,6 +1873,7 @@
1873 1873  )))
1874 1874  
1875 1875  
1800 +
1876 1876  = 11. Support =
1877 1877  
1878 1878  
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