Last modified by Karry Zhuang on 2024/07/11 11:58
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -3,11 +3,6 @@ 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. ... ... @@ -34,8 +34,6 @@ 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: ... ... @@ -144,12 +144,12 @@ 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 ... ... @@ -256,7 +256,7 @@ 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 ... ... @@ -348,7 +348,7 @@ 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. ... ... @@ -397,7 +397,7 @@ 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 ... ... @@ -498,7 +498,6 @@ 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]]