Last modified by Bei Jinggeng on 2025/01/10 15:06
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From version < 133.1 >
edited by Xiaoling
on 2024/09/28 10:41
To version < 118.1 >
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on 2024/09/25 14:56
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1 -XWiki.Xiaoling
1 +XWiki.ting
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1 -(% style="text-align:center" %)
2 -[[image:image-20240928101253-2.jpeg||height="603" width="603"]]
1 +(% aria-label="1653266934636-343.png image widget" contenteditable="false" role="region" tabindex="-1" %)
2 +(((
3 +(% data-widget="image" style="text-align:center" %)
4 +[[image:1653266934636-343.png||height="385" width="385"]](% title="Click and drag to resize" %)​
3 3  
6 +(% 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==||height="15" role="presentation" title="Click and drag to move" width="15"]]
7 +)))
4 4  
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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129 129  v1.0: Release
130 130  )))
131 131  
132 -
133 -== 1.7 Pin Definitions ==
134 -
135 -
136 -The following diagram shows the V1.2 hardware version.
137 -
138 -[[image:image-20240928101253-2.jpeg||height="542" width="542"]]
139 -
140 -[[image:image-20240925161157-2.jpeg||height="367" width="545"]]
141 -
142 142  
143 143  )))
144 144  )))
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179 179  
180 180  Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. 
181 181  
182 -[[image:image-20240928102637-3.png||height="522" width="917"]]
183 183  
184 -(% 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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185 185  
181 +
186 186  (((
187 187  (((
188 188  The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
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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 -(% 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" %)​
572 572  
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.
573 573  
574 -==== 3.3.7.1 Set Interrupt Mode ====
575 575  
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 -**Example:**
610 -
611 -* Use a dry contact to connect the (% style="color:blue" %)**INT**(%%) pin and (% style="color:blue" %)**VIN+**(%%) pin of the RS485-LN.
612 -
613 -When the dry contact is closed, INT and VIN+ conduct and INT is high.
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.
616 -
617 -[[image:image-20240925174124-5.jpeg||height="439" width="703"]]
618 -
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 -
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 -
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
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 -
627 -[[image:image-20240925173243-4.jpeg||height="404" width="900"]]
628 -
629 -* Example of interrupt data in TTN.
630 -
631 -The first byte of the payload of the interrupted packet is (% style="color:blue" %)**0x81**(%%).
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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