Last modified by Karry Zhuang on 2024/07/11 11:58
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -3,17 +3,12 @@ 3 3 4 4 {{toc/}} 5 5 6 += 1. Introduction = 6 6 7 - 8 - 9 - 10 - 11 -= **1. Introduction** = 12 - 13 13 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. 14 14 15 15 16 -== **1.1 Example 1: Connect to Leak relay and VFD**==11 +== 1.1 Example 1: Connect to Leak relay and VFD == 17 17 18 18 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 Relay and VFD and communicate with Mobile. The structure is like below: 19 19 ... ... @@ -34,10 +34,8 @@ 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 32 +== 1.2 Example 2: Connect to Pulse Counter == 37 37 38 - 39 -== **1.2 Example 2: Connect to Pulse Counter** == 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: 42 42 43 43 [[image:image-20220527092058-3.png]] ... ... @@ -45,20 +45,18 @@ 45 45 Connection 46 46 47 47 48 - 49 49 [[image:image-20220527092146-4.png]] 50 50 51 51 Connection 52 52 53 - 54 54 * [[Pickdata MIO40 water pulse counter to LoRa with Dragino RS485-LN>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Pulse-Counter/]] : Configure Document 55 55 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 56 56 57 57 == == 58 58 59 -== **1.3 Example3: Use RS485-LN with energy meters**==50 +== 1.3 Example3: Use RS485-LN with energy meters == 60 60 61 -=== **1.3.1 OverView**===52 +=== 1.3.1 OverView === 62 62 63 63 ((( 64 64 **Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications. ... ... @@ -73,7 +73,6 @@ 73 73 Connection1 74 74 75 75 76 - 77 77 ((( 78 78 How to connect with Energy Meter： 79 79 ))) ... ... @@ -108,7 +108,7 @@ 108 108 Connection3 109 109 110 110 111 -=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands**===101 +=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 112 112 113 113 If the user needs to read the parameters of the electric energy meter and use the modbus command,please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter. 114 114 ... ... @@ -147,12 +147,12 @@ 147 147 148 148 ))) 149 149 150 -=== **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 === 151 151 152 152 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 153 153 154 154 155 -==== **1.3.3.1 via AT COMMAND:**====145 +==== 1.3.3.1 via AT COMMAND: ==== 156 156 157 157 First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. 158 158 ... ... @@ -259,7 +259,7 @@ 259 259 AT COMMAND 260 260 261 261 262 -==== **1.3.3.2 via LoRaWAN DOWNLINK**====252 +==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 263 263 264 264 [[image:image-20220527093358-15.png]] 265 265 ... ... @@ -351,7 +351,7 @@ 351 351 DOWNLINK 352 352 353 353 354 -=== **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 === 355 355 356 356 ((( 357 357 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. ... ... @@ -400,7 +400,7 @@ 400 400 USB 401 401 402 402 403 -=== **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 === 404 404 405 405 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. 406 406 ... ... @@ -494,6 +494,7 @@ 494 494 495 495 * [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/SEM_Three_Energy_Meter/&file=SEM%20three%20and%20Dragino%20RS485-LN%20v1.pdf]] : Configure Document for RS485-LN 496 496 487 + 497 497 == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN == 498 498 499 499 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 CEM C31 485-T1-MID and send the data for remote minitor. The structure is like below: ... ... @@ -500,6 +500,7 @@ 500 500 501 501 * [[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 502 502 494 + 503 503 == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL == 504 504 505 505 [[image:image-20220527094556-31.png]]