Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 97.2 >
edited by Xiaoling
on 2022/11/30 14:47
To version < 80.1 >
edited by Bei Jinggeng
on 2022/10/28 17:05
>
Change comment: There is no comment for this version

Summary

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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  
... ... @@ -57,12 +57,13 @@
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  
63 63  (% style="color:#037691" %)**Hardware System:**
64 64  
65 -* STM32L072xxxx MCU
67 +* STM32L072CZT6 MCU
66 66  * SX1276/78 Wireless Chip 
67 67  * Power Consumption (exclude RS485 device):
68 68  ** Idle: 32mA@12v
... ... @@ -139,6 +139,7 @@
139 139  v1.0: Release
140 140  )))
141 141  
144 +
142 142  
143 143  )))
144 144  )))
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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  
164 +
161 161  
162 162  )))
163 163  
164 164  = 3. Operation Mode =
165 165  
170 +
166 166  == 3.1 How it works? ==
167 167  
168 168  
... ... @@ -171,6 +171,7 @@
171 171  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.
172 172  )))
173 173  
179 +
174 174  
175 175  )))
176 176  
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259 259  (% 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" %)​
260 260  
261 261  
268 +
262 262  == 3.3 Configure Commands to read data ==
263 263  
264 264  
... ... @@ -276,6 +276,7 @@
276 276  (% 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**
277 277  )))
278 278  
286 +
279 279  
280 280  )))
281 281  )))
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447 447  
448 448  (% 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" %)​
449 449  
458 +
450 450  
451 451  )))
452 452  
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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  
547 +
538 538  === 3.3.5 Uplink on demand ===
539 539  
540 540  
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547 547  (% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
548 548  
549 549  
560 +
550 550  === 3.3.6 Uplink on Interrupt ===
551 551  
552 552  
... ... @@ -558,6 +558,7 @@
558 558  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.
559 559  
560 560  
572 +
561 561  == 3.4 Uplink Payload ==
562 562  
563 563  
... ... @@ -586,6 +586,7 @@
586 586  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
587 587  
588 588  
601 +
589 589  == 3.5 Configure RS485-LN via AT or Downlink ==
590 590  
591 591  
... ... @@ -617,6 +617,7 @@
617 617  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]]
618 618  
619 619  
633 +
620 620  === 3.5.2 Downlink Response(Since firmware v1.4) ===
621 621  
622 622  
... ... @@ -630,10 +630,12 @@
630 630  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)
631 631  
632 632  
647 +
633 633  === 3.5.3 Sensor related commands ===
634 634  
635 635  
636 636  
652 +
637 637  ==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
638 638  
639 639  
... ... @@ -1179,22 +1179,21 @@
1179 1179  
1180 1180  ==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
1181 1181  
1182 -
1183 1183  * (((
1184 1184  (% style="color:#037691" %)** AT Command:**
1185 1185  )))
1186 1186  
1187 -(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
1202 +**~ AT+DATABIT=7    **~/~/ Set the data bits to 7
1188 1188  
1189 -(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
1204 +**~ AT+DATABIT=8    **~/~/ Set the data bits to 8
1190 1190  
1191 1191  * (((
1192 1192  (% style="color:#037691" %)**Downlink Payload:**
1193 1193  )))
1194 1194  
1195 -(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
1210 +**~ A7 04 07**: Same as  AT+DATABIT=7
1196 1196  
1197 -(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
1212 +**~ A7 04 08**: Same as  AT+DATABIT=8
1198 1198  
1199 1199  
1200 1200  
... ... @@ -1330,6 +1330,7 @@
1330 1330  [[image:image-20220824144240-1.png]]
1331 1331  
1332 1332  
1348 +
1333 1333  == 3.6 Listening mode for RS485 network ==
1334 1334  
1335 1335  
... ... @@ -1409,15 +1409,15 @@
1409 1409  )))
1410 1410  
1411 1411  (((
1412 -The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
1428 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1413 1413  )))
1414 1414  
1415 1415  (((
1416 -And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1432 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1417 1417  )))
1418 1418  
1419 1419  (((
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**
1436 +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
1421 1421  
1422 1422  
1423 1423  )))
... ... @@ -1437,6 +1437,7 @@
1437 1437  )))
1438 1438  
1439 1439  
1456 +
1440 1440  == 3.7 Buttons ==
1441 1441  
1442 1442  
... ... @@ -1462,8 +1462,10 @@
1462 1462  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]]
1463 1463  
1464 1464  
1482 +
1465 1465  = 5. Use AT Command =
1466 1466  
1485 +
1467 1467  == 5.1 Access AT Command ==
1468 1468  
1469 1469  
... ... @@ -1491,8 +1491,10 @@
1491 1491  )))
1492 1492  
1493 1493  
1513 +
1494 1494  == 5.2 Common AT Command Sequence ==
1495 1495  
1516 +
1496 1496  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1497 1497  
1498 1498  
... ... @@ -1553,8 +1553,10 @@
1553 1553  (% 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" %)​
1554 1554  
1555 1555  
1577 +
1556 1556  = 6. FAQ =
1557 1557  
1580 +
1558 1558  == 6.1 How to upgrade the image? ==
1559 1559  
1560 1560  
... ... @@ -1621,6 +1621,7 @@
1621 1621  (% 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" %)​
1622 1622  
1623 1623  
1647 +
1624 1624  == 6.2 How to change the LoRa Frequency Bands/Region? ==
1625 1625  
1626 1626  
... ... @@ -1627,6 +1627,7 @@
1627 1627  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1628 1628  
1629 1629  
1654 +
1630 1630  == 6.3 How many RS485-Slave can RS485-LN connects? ==
1631 1631  
1632 1632  
... ... @@ -1633,6 +1633,7 @@
1633 1633  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"]].
1634 1634  
1635 1635  
1661 +
1636 1636  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1637 1637  
1638 1638  
... ... @@ -1641,6 +1641,7 @@
1641 1641  Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1642 1642  
1643 1643  
1670 +
1644 1644  == 6.5 Can i use point to point communication for RS485-LN? ==
1645 1645  
1646 1646  
... ... @@ -1647,6 +1647,7 @@
1647 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]].
1648 1648  
1649 1649  
1677 +
1650 1650  == 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1651 1651  
1652 1652  
... ... @@ -1653,117 +1653,10 @@
1653 1653  [[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/]]
1654 1654  
1655 1655  
1656 -== 6.7 How to judge whether there is a problem with the set COMMAND ==
1657 1657  
1658 -=== 6.7.1 Introduce: ===
1659 -
1660 -
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 1765  = 7. Trouble Shooting =
1766 1766  
1687 +
1767 1767  == 7.1 Downlink doesn't work, how to solve it? ==
1768 1768  
1769 1769  
... ... @@ -1770,6 +1770,7 @@
1770 1770  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1771 1771  
1772 1772  
1694 +
1773 1773  == 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1774 1774  
1775 1775  
... ... @@ -1776,6 +1776,7 @@
1776 1776  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1777 1777  
1778 1778  
1701 +
1779 1779  = 8. Order Info =
1780 1780  
1781 1781  
... ... @@ -1864,6 +1864,7 @@
1864 1864  )))
1865 1865  
1866 1866  
1790 +
1867 1867  = 11. Support =
1868 1868  
1869 1869  
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