Last modified by Bei Jinggeng on 2025/01/10 15:06
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edited by Xiaoling
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2 -[[image:image-20240928101253-2.jpeg||height="603" width="603"]]
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5 5  
6 6  
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8 8  
9 9  
10 10  
11 -
12 12  **Table of Contents:**
13 13  
14 14  {{toc/}}
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47 47  )))
48 48  
49 49  (((
50 -(% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]](% title="Click and drag to resize" %)​
53 +(% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
51 51  )))
52 52  
53 53  
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 +
59 +
54 54  == 1.2 Specifications ==
55 55  
56 56  
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565 565  === 3.3.7 Uplink on Interrupt ===
566 566  
567 567  
568 -
569 569  RS485-LN support external Interrupt uplink since hardware v1.2 release.
570 570  
571 571  (% 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"]]
572 572  
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.
573 573  
574 -==== 3.3.7.1 Set Interrupt Mode ====
575 -
576 -
577 -Before using the interrupt function of the **INT** pin, users can set the interrupt triggering mode as required.
578 -
579 -(% style="color:blue" %)**AT command:**
580 -
581 -* (% style="color:#037691" %)**AT+INTMOD **(%%) ~/~/ Set the trigger interrupt mode
582 -
583 -* (% style="color:#037691" %)**AT+INTMOD=0 **(%%) ~/~/ Disable Interrupt
584 -
585 -* (% style="color:#037691" %)**AT+INTMOD=1 **(%%) ~/~/ Trigger by rising and falling edge
586 -
587 -* (% style="color:#037691" %)**AT+INTMOD=2 **(%%) ~/~/ Trigger by falling edge **(default)**
588 -
589 -* (% style="color:#037691" %)**AT+INTMOD=3  **(%%) ~/~/ Trigger by rising edge
590 -
591 -(% style="color:blue" %)**Downlink Commands: **(% style="color:#037691" %)**0x06**
592 -
593 -Format: Command Code (0x06) followed by 3 bytes.
594 -
595 -Example1:  Downlink Payload: **06 00 00 01    **~/~/ AT+INTMOD=1
596 -
597 -Example2:  Downlink Payload: **06 00 00 03    **~/~/AT+INTMOD=3
598 -
599 -
600 -==== 3.3.7.2 Practical application ====
601 -
602 -
603 -The following uses the default interrupt triggering mode (% style="color:blue" %)**(AT+INTMOD=2)**(%%) as an example to show the interrupt function of (% style="color:blue" %)**INT**(%%):
604 -
605 -When a high voltage is given to the INT pin and then the level of the (% style="color:blue" %)**INT**(%%) pin changes from high to low, the interrupt is triggered by a falling edge and the RS485-LN sends an uplink data.
606 -
607 -(% style="color:red" %)**Note: The level that triggers the interrupt ranges from 3.3V to 24V. Generally, it is recommended to use less than 12V.**
608 -
609 609  **Example:**
610 610  
611 611  * Use a dry contact to connect the (% style="color:blue" %)**INT**(%%) pin and (% style="color:blue" %)**VIN+**(%%) pin of the RS485-LN.
612 612  
613 -When the dry contact is closed, INT and VIN+ conduct and INT is high.
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.
614 614  
615 -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.
586 +[[image:image-20240925164510-3.jpeg||height="414" width="656"]]
616 616  
617 -[[image:image-20240925174124-5.jpeg||height="439" width="703"]]
618 -
619 619  * 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.)
620 620  
621 621  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.
622 622  
623 -When the regulated power supply is operating, a high voltage is given to the INT pin and the INT level is high. When the regulated power supply is turned off, the level of the INT pin changes from
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.
624 624  
625 -high to low, at which time an interrupt is triggered (triggered along the falling edge), and the device will send an uplink data.
626 626  
627 -[[image:image-20240925173243-4.jpeg||height="404" width="900"]]
628 628  
629 -* Example of interrupt data in TTN.
630 630  
631 -The first byte of the payload of the interrupted packet is (% style="color:blue" %)**0x81**(%%).
632 632  
633 -[[image:image-20240925181010-1.png||height="348" width="953"]]
634 -
635 -
636 636  == 3.4 Uplink Payload ==
637 637  
638 638  
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