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... ... @@ -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]] ... ... @@ -54,9 +54,9 @@ 54 54 55 55 == == 56 56 57 -== **1.3 Example3: Use RS485-LN with energy meters**==50 +== 1.3 Example3: Use RS485-LN with energy meters == 58 58 59 -=== **1.3.1 OverView**===52 +=== 1.3.1 OverView === 60 60 61 61 ((( 62 62 **Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications. ... ... @@ -105,7 +105,7 @@ 105 105 Connection3 106 106 107 107 108 -=== **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 === 109 109 110 110 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. 111 111 ... ... @@ -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 ... ... @@ -491,6 +491,7 @@ 491 491 492 492 * [[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 493 493 487 + 494 494 == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN == 495 495 496 496 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: