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 < 123.2 >
edited by Mengting Qiu
on 2024/09/25 17:36
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1 -XWiki.Xiaoling
1 +XWiki.ting
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2 +(((
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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"]]
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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" %)​
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59 +
54 54  == 1.2 Specifications ==
55 55  
56 56  
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135 135  
136 136  The following diagram shows the V1.2 hardware version.
137 137  
138 -[[image:image-20240928101253-2.jpeg||height="542" width="542"]]
144 +[[image:image-20240925161141-1.jpeg||height="412" width="405"]]
139 139  
140 140  [[image:image-20240925161157-2.jpeg||height="367" width="545"]]
141 141  
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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  
191 +
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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604 604  
605 605  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.
606 606  
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.**
613 +(% style="color:red" %)**Note: The voltage ranges from 3.3V to 24V. Generally, it is recommended to use less than 12V.**
608 608  
609 609  **Example:**
610 610  
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612 612  
613 613  When the dry contact is closed, INT and VIN+ conduct and INT is high.
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.
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.
616 616  
617 -[[image:image-20240925174124-5.jpeg||height="439" width="703"]]
623 +[[image:image-20240925164510-3.jpeg||height="414" width="656"]]
618 618  
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  
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626 626  
627 627  [[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 -
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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