Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 138.1
edited by Bei Jinggeng
on 2025/01/16 11:36
To version < 133.1 >
edited by Xiaoling
on 2024/09/28 10:41
Change comment: Uploaded new attachment "image-20240928104109-4.png", version {1}

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1 -XWiki.Bei
1 +XWiki.Xiaoling
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9 9  
10 10  
11 11  
12 -
13 13  **Table of Contents:**
14 14  
15 15  {{toc/}}
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491 491  
492 492  (((
493 493  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
493 +
494 +
494 494  )))
495 495  
496 496  [[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
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542 542  (% style="color:red" %)** When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value. (Since v1.4.0)**
543 543  
544 544  
546 +
545 545  Below are the uplink payloads:
546 546  
549 +
547 547  (% 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" %)​
548 548  
549 549  
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562 562  === 3.3.7 Uplink on Interrupt ===
563 563  
564 564  
568 +
565 565  RS485-LN support external Interrupt uplink since hardware v1.2 release.
566 566  
567 567  (% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.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"]]
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846 846  [[image:image-20220824145428-2.png||height="168" width="1300"]]
847 847  
848 848  
853 +
849 849  **2 )  if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n FFs.**
850 850  
851 851  
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1387 1387  
1388 1388  Example：
1389 1389  
1395 +
1390 1390  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1391 1391  
1392 1392  
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1424 1424  (((
1425 1425  RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
1426 1426  
1427 -[[image:image-20240928104143-6.png||height="487" width="797"]]
1433 +
1428 1428  )))
1429 1429  
1430 -(% 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"]]
1436 +(% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% 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"]]
1431 1431  
1432 1432  (% title="Click and drag to resize" %)​
1433 1433  
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1507 1507  )))
1508 1508  
1509 1509  
1516 +
1510 1510  (((
1511 1511  (% style="color:red" %)**Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.**
1512 1512  )))
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1542 1542  
1543 1543  (((
1544 1544  RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below.
1552 +
1553 +
1545 1545  )))
1546 1546  
1547 1547  (% aria-label="1654162355560-817.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162355560-817.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" %)​
1548 1548  
1549 1549  
1559 +
1550 1550  (((
1551 1551  In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-LN. The default password is 123456. Below is the output for reference:
1562 +
1563 +
1552 1552  )))
1553 1553  
1554 1554  (% aria-label="1654162368066-342.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162368066-342.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" %)​
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1682 1682  (% aria-label="image-20220602175912-14.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175912-14.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" %)​
1683 1683  
1684 1684  
1697 +
1685 1685  (% style="color:red" %)**Users can select the new burning software STM32Cubeprogramer for firmware upgrade and follow the same connection steps to enter burning mode (until SYS LED is RED ON):**
1686 1686  
1687 1687  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer]]
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1701 1701  == 6.3 How many RS485-Slave can RS485-LN connects? ==
1702 1702  
1703 1703  
1704 -The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 15 different RS485 command. So RS485-LN can support max 15 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"]].
1717 +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"]].
1705 1705  
1706 1706  
1707 1707  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
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1850 1850  [[RS485 Configure Tool - DRAGINO>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/#HTableofContentsFF1A]]
1851 1851  
1852 1852  
1853 -
1854 -== 6.10 How to determine whether the returned data value FF is valid data or invalid data? ==
1855 -
1856 -The address of the returned data can be used as a flag.
1857 -
1858 -The customer uses the intercept command to intercept the first bit of the returned data (the slave address of the sensor) as a judgment flag.
1859 -
1860 -**Invalid data:**
1861 -
1862 -If the first bit and the data are both FF, it means the data is empty.
1863 -
1864 -
1865 -**Valid data:**
1866 -If the first bit is a normal slave address and the data is FF, it means the data is normal.
1867 -
1868 -
1869 1869  = 7. Trouble Shooting =
1870 1870  
1871 1871  == 7.1 Downlink doesn't work, how to solve it? ==
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1882 1882  
1883 1883  == 7.3 Why can't customers see the device's data in the server when the data is too long? ==
1884 1884  
1885 -
1886 1886  This is due to the limitation of the lorawan protocol, and the fixed DR needs to be adjusted to improve this problem.
1887 1887  
1888 1888  Please refer to the following link for the number of bytes limited by different frequencies and different DRs in the lorawan protocol
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1904 1904  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H7.4DataRate]]
1905 1905  
1906 1906  
1903 +
1907 1907  = 8. Order Info =
1908 1908  
1909 1909  
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