Last modified by Bei Jinggeng on 2025/01/10 15:06
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From version < 122.2 >
edited by Mengting Qiu
on 2024/09/25 16:52
To version < 112.1 >
edited by Bei Jinggeng
on 2024/06/20 14:54
>
Change comment: Uploaded new attachment "image-20240620145456-1.png", version {1}

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135 135  v1.0: Release
136 136  )))
137 137  
138 -
139 -== 1.7 Pin Definitions ==
140 -
141 -
142 -The following diagram shows the V1.2 hardware version.
143 -
144 -[[image:image-20240925161141-1.jpeg||height="412" width="405"]]
145 -
146 -[[image:image-20240925161157-2.jpeg||height="367" width="545"]]
147 -
148 148  
149 149  )))
150 150  )))
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573 573  
574 574  RS485-LN support external Interrupt uplink since hardware v1.2 release.
575 575  
576 -(% 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"]]
566 +(% 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"]](% title="Click and drag to resize" %)​
577 577  
578 -(% title="Click and drag to resize" %)​(%%)When there is a high voltage (3.3v and above, the maximum is 24V, but not more than 12v is recommended) on (% style="color:blue" %)**INT**(%%) pin. At this point, an interrupt is triggered and the Device will send an uplink packet.
568 +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.
579 579  
580 -**Example:**
581 581  
582 -* Use a dry contact to connect the (% style="color:blue" %)**INT**(%%) pin and (% style="color:blue" %)**VIN+**(%%) pin of the RS485-LN.
583 -
584 -When the dry contact is closed, INT and VIN+ conduct, and INT goes high, which triggers an interrupt, and the node sends an uplink data.
585 -
586 -[[image:image-20240925164510-3.jpeg||height="414" width="656"]]
587 -
588 -* Use a regulated power supply or a wet contact to connect the 485-LN to trigger the interruption.(This section uses a regulated power supply as an example.)
589 -
590 -The positive pole of the stabilized power supply is connected to the (% style="color:blue" %)**INT**(%%) pin of RS485-LN, and the negative pole of the stabilized power supply is connected to the (% style="color:blue" %)**VIN-**(%%) pin of RS485-LN.
591 -
592 -When the regulated power supply is turned on, given a high voltage to the INT pin, an interrupt will be triggered and the device will send an uplink data.
593 -
594 -
595 -
596 -
597 -
598 598  == 3.4 Uplink Payload ==
599 599  
600 600  
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763 763  )))
764 764  
765 765  (((
766 -(% style="color:blue" %)**Example 2:**  (%%)
739 +(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
767 767  )))
768 768  
769 769  (((
770 -Check TTL Sensor return:
743 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
771 771  )))
772 772  
773 773  (((
747 +
748 +)))
749 +
774 774  (((
775 -[[image:http://8.211.40.43/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/1654132684752-193.png?rev=1.1||alt="1654132684752-193.png"]](% title="Click and drag to resize" %)​
751 +(((
752 +RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:  **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
776 776  )))
754 +
755 +
777 777  )))
778 778  
758 +(((
759 + (% aria-label="1654159460680-153.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654159460680-153.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" %)​
760 +)))
779 779  
780 780  
763 +
781 781  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
782 782  
783 783  
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1711 1711  1. Check if Modbus-MTU return back the expected result to RS485-LN.
1712 1712  1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1713 1713  
1714 -[[image:image-20240816112950-1.png||height="382" width="731"]]
1697 +[[image:image-20221130104310-1.png||height="380" width="680"]]
1715 1715  
1716 1716  
1717 1717  Example Connection:
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1833 1833  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1834 1834  
1835 1835  
1836 -== 7.2 Why customers can't join TTN V3 in US915 /AU915 bands? ==
1819 +== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1837 1837  
1838 1838  
1839 1839  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1840 1840  
1841 1841  
1842 -== 7.3 Why can't customers see the device's data in the server when the data is too long? ==
1843 -
1844 -This is due to the limitation of the lorawan protocol, and the fixed DR needs to be adjusted to improve this problem.
1845 -
1846 -Please refer to the following link for the number of bytes limited by different frequencies and different DRs in the lorawan protocol
1847 -
1848 -[[lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf>>url:https://lora-alliance.org/wp-content/uploads/2021/05/RP002-1.0.3-FINAL-1.pdf]]
1849 -
1850 -Example:
1851 -
1852 -[[image:image-20240620145456-1.png]]
1853 -
1854 -Please refer to the following command to fix DR
1855 -
1856 -AT+ADR=0
1857 -
1858 -AT+DR=3
1859 -
1860 -Downlink command:
1861 -
1862 -[[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]]
1863 -
1864 -
1865 -
1866 1866  = 8. Order Info =
1867 1867  
1868 1868  
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