Last modified by Bei Jinggeng on 2025/01/10 15:06
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From version < 113.1 >
edited by Bei Jinggeng
on 2024/06/20 14:56
To version < 121.3 >
edited by Mengting Qiu
on 2024/09/25 16:33
>
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1 -XWiki.Bei
1 +XWiki.ting
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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 +
138 138  
139 139  )))
140 140  )))
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563 563  
564 564  RS485-LN support external Interrupt uplink since hardware v1.2 release.
565 565  
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" %)​
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"]]
567 567  
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.
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.
569 569  
580 +**Example:**
570 570  
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 message.
585 +
586 +
587 +
588 +
571 571  == 3.4 Uplink Payload ==
572 572  
573 573  
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736 736  )))
737 737  
738 738  (((
739 -(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
757 +(% style="color:blue" %)**Example 2:**  (%%)
740 740  )))
741 741  
742 742  (((
743 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
761 +Check TTL Sensor return:
744 744  )))
745 745  
746 746  (((
747 -
748 -)))
749 -
750 750  (((
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**
766 +[[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" %)​
753 753  )))
754 -
755 -
756 756  )))
757 757  
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 -)))
761 761  
762 762  
763 -
764 764  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
765 765  
766 766  
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1694 1694  1. Check if Modbus-MTU return back the expected result to RS485-LN.
1695 1695  1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1696 1696  
1697 -[[image:image-20221130104310-1.png||height="380" width="680"]]
1705 +[[image:image-20240816112950-1.png||height="382" width="731"]]
1698 1698  
1699 1699  
1700 1700  Example Connection:
image-20240816112950-1.png
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