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From version < 41.6 >
edited by Xiaoling
on 2022/05/30 11:26
To version < 39.6 >
edited by Xiaoling
on 2022/05/27 09:53
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3 3  
4 4  {{toc/}}
5 5  
6 -
7 -
8 -
9 -
10 -
11 11  = 1. Introduction =
12 12  
13 13  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
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34 34  * [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code.
35 35  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
36 36  
37 -
38 -
39 39  == 1.2 Example 2: Connect to Pulse Counter ==
40 40  
41 41  This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to Pulse Counter and communicate with Mobile. This example and example 2 compose the structure for a farm IoT solution. The structure is like below:
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144 144  
145 145  )))
146 146  
147 -=== **1.3.3 How to configure RS485-LN and parse output commands** ===
140 +=== 1.3.3 How to configure RS485-LN and parse output commands ===
148 148  
149 149  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
150 150  
151 151  
152 -==== **1.3.3.1 via AT COMMAND:** ====
145 +==== 1.3.3.1 via AT COMMAND: ====
153 153  
154 154  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
155 155  
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256 256  AT COMMAND
257 257  
258 258  
259 -==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
252 +==== 1.3.3.2 via LoRaWAN DOWNLINK ====
260 260  
261 261  [[image:image-20220527093358-15.png]]
262 262  
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348 348  DOWNLINK
349 349  
350 350  
351 -=== **1.3.4 How to configure and output commands for RS485 to USB** ===
344 +=== 1.3.4 How to configure and output commands for RS485 to USB ===
352 352  
353 353  (((
354 354  This step is not necessary, it is just to show how to use a normal RS485 to USB adapter to connect to the meter to check the input and output. This can be used to test the connection and RS485 command of the meter without RS485-LN.
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397 397  USB
398 398  
399 399  
400 -=== **1.3.5 How to configure multiple devices and modify device addresses** ===
393 +=== 1.3.5 How to configure multiple devices and modify device addresses ===
401 401  
402 402  If users need to read the parameters of multiple energy meters, they need to modify the device address, because the default device address of each energy meter is 01.
403 403  
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498 498  
499 499  * [[CEM C31 485-T1-MID>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/ELECTRICAL%20CABINET/&file=ELECTRICAL%20CABINET%20READINGS.pdf]] : Configure Document For RS485-LN
500 500  
501 -
502 502  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
503 503  
504 504  [[image:image-20220527094556-31.png]]
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