Last modified by Karry Zhuang on 2024/07/11 11:58
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -3,12 +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 ... ... @@ -29,8 +29,10 @@ 29 29 * [[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. 30 30 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 31 31 32 -== 1.2 Example 2: Connect to Pulse Counter == 33 33 38 + 39 +== **1.2 Example 2: Connect to Pulse Counter** == 40 + 34 34 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: 35 35 36 36 [[image:image-20220527092058-3.png]] ... ... @@ -47,9 +47,9 @@ 47 47 48 48 == == 49 49 50 -== 1.3 Example3: Use RS485-LN with energy meters == 57 +== **1.3 Example3: Use RS485-LN with energy meters** == 51 51 52 -=== 1.3.1 OverView === 59 +=== **1.3.1 OverView** === 53 53 54 54 ((( 55 55 **Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications. ... ... @@ -98,7 +98,7 @@ 98 98 Connection3 99 99 100 100 101 -=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 108 +=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** === 102 102 103 103 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. 104 104 ... ... @@ -137,12 +137,12 @@ 137 137 138 138 ))) 139 139 140 -=== 1.3.3 How to configure RS485-LN and parse output commands === 147 +=== **1.3.3 How to configure RS485-LN and parse output commands** === 141 141 142 142 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 143 143 144 144 145 -==== 1.3.3.1 via AT COMMAND: ==== 152 +==== **1.3.3.1 via AT COMMAND:** ==== 146 146 147 147 First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. 148 148 ... ... @@ -249,7 +249,7 @@ 249 249 AT COMMAND 250 250 251 251 252 -==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 259 +==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 253 253 254 254 [[image:image-20220527093358-15.png]] 255 255 ... ... @@ -341,7 +341,7 @@ 341 341 DOWNLINK 342 342 343 343 344 -=== 1.3.4 How to configure and output commands for RS485 to USB === 351 +=== **1.3.4 How to configure and output commands for RS485 to USB** === 345 345 346 346 ((( 347 347 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. ... ... @@ -390,7 +390,7 @@ 390 390 USB 391 391 392 392 393 -=== 1.3.5 How to configure multiple devices and modify device addresses === 400 +=== **1.3.5 How to configure multiple devices and modify device addresses** === 394 394 395 395 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. 396 396 ... ... @@ -484,7 +484,6 @@ 484 484 485 485 * [[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 486 486 487 - 488 488 == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN == 489 489 490 490 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: ... ... @@ -491,7 +491,6 @@ 491 491 492 492 * [[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 493 493 494 - 495 495 == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL == 496 496 497 497 [[image:image-20220527094556-31.png]]