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... ... @@ -3,12 +3,17 @@ 3 3 4 4 {{toc/}} 5 5 6 -= 1. Introduction = 7 7 7 + 8 + 9 + 10 + 11 += **1. Introduction** = 12 + 8 8 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. 9 9 10 10 11 -== 1.1 Example 1: Connect to Leak relay and VFD == 16 +== **1.1 Example 1: Connect to Leak relay and VFD** == 12 12 13 13 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: 14 14 ... ... @@ -30,8 +30,9 @@ 30 30 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 31 31 32 32 33 -== 1.2 Example 2: Connect to Pulse Counter == 34 34 39 +== **1.2 Example 2: Connect to Pulse Counter** == 40 + 35 35 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: 36 36 37 37 [[image:image-20220527092058-3.png]] ... ... @@ -39,6 +39,7 @@ 39 39 Connection 40 40 41 41 48 + 42 42 [[image:image-20220527092146-4.png]] 43 43 44 44 Connection ... ... @@ -48,9 +48,9 @@ 48 48 49 49 == == 50 50 51 -== 1.3 Example3: Use RS485-LN with energy meters == 58 +== **1.3 Example3: Use RS485-LN with energy meters** == 52 52 53 -=== 1.3.1 OverView === 60 +=== **1.3.1 OverView** === 54 54 55 55 ((( 56 56 **Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications. ... ... @@ -99,7 +99,7 @@ 99 99 Connection3 100 100 101 101 102 -=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 109 +=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** === 103 103 104 104 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. 105 105 ... ... @@ -138,12 +138,12 @@ 138 138 139 139 ))) 140 140 141 -=== 1.3.3 How to configure RS485-LN and parse output commands === 148 +=== **1.3.3 How to configure RS485-LN and parse output commands** === 142 142 143 143 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 144 144 145 145 146 -==== 1.3.3.1 via AT COMMAND: ==== 153 +==== **1.3.3.1 via AT COMMAND:** ==== 147 147 148 148 First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. 149 149 ... ... @@ -250,7 +250,7 @@ 250 250 AT COMMAND 251 251 252 252 253 -==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 260 +==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 254 254 255 255 [[image:image-20220527093358-15.png]] 256 256 ... ... @@ -342,7 +342,7 @@ 342 342 DOWNLINK 343 343 344 344 345 -=== 1.3.4 How to configure and output commands for RS485 to USB === 352 +=== **1.3.4 How to configure and output commands for RS485 to USB** === 346 346 347 347 ((( 348 348 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. ... ... @@ -391,7 +391,7 @@ 391 391 USB 392 392 393 393 394 -=== 1.3.5 How to configure multiple devices and modify device addresses === 401 +=== **1.3.5 How to configure multiple devices and modify device addresses** === 395 395 396 396 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. 397 397 ... ... @@ -485,7 +485,6 @@ 485 485 486 486 * [[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 487 487 488 - 489 489 == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN == 490 490 491 491 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: ... ... @@ -492,7 +492,6 @@ 492 492 493 493 * [[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 494 494 495 - 496 496 == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL == 497 497 498 498 [[image:image-20220527094556-31.png]]