<
From version < 129.1 >
edited by Mengting Qiu
on 2024/09/26 17:30
To version < 126.1 >
edited by Mengting Qiu
on 2024/09/25 17:53
>
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618 618  
619 619  When the dry contact is closed, INT and VIN+ conduct and INT is high.
620 620  
621 -Disconnecting the dry contact, the level of the INT pin changes from high to low, triggering an interrupt (triggered along the falling edge), and the RS485-LN sends an uplink data.
621 +Disconnecting the dry contact, the level of the INT pin changes from high to low, triggering an interrupt (triggered by the falling edge along the interrupt), and the RS485-LN sends an uplink data.
622 622  
623 623  [[image:image-20240925174124-5.jpeg||height="439" width="703"]]
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632 632  
633 633  [[image:image-20240925173243-4.jpeg||height="404" width="900"]]
634 634  
635 -* Example of interrupt data in TTN.
636 636  
637 -The first byte of the payload of the interrupted packet is (% style="color:blue" %)**0x81**(%%).
638 -
639 -[[image:image-20240925181010-1.png||height="348" width="953"]]
640 -
641 -
642 642  == 3.4 Uplink Payload ==
643 643  
644 644  
image-20240925181010-1.png
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1 -XWiki.ting
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