Changes for page Application Note : Communicate with Different Sensors ----- RS485-LN / RS485-BL

Last modified by Karry Zhuang on 2024/07/11 11:58

From version < 60.10 >

edited by Xiaoling
on 2022/09/19 16:20

To version < 60.1 >

edited by Bei Jinggeng
on 2022/07/14 17:16

Change comment: There is no comment for this version

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--XWiki.Xiaoling
++XWiki.Bei

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  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
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  == **1.1 Example 1: Connect to Leak relay and VFD** ==
  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:
++[[image:image-20220527091852-1.png]]
--[[image:image-20220527091852-1.png||height="547" width="994"]]
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  Connection
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  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
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  == **1.2 Example 2: Connect to Pulse Counter** ==
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  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:
--[[image:image-20220527092058-3.png||height="552" width="905"]]
++[[image:image-20220527092058-3.png]]
  Connection
--[[image:image-20220527092146-4.png||height="507" width="906"]]
++[[image:image-20220527092146-4.png]]
  Connection
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  (((
--(% style="color:red" %)**Note**：**The specifications of each energy meter are different, please refer to your own energy meter specifications.**
++(% style="color:red" %)**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
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  This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
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  [[image:image-20220527092419-5.png]]
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  Once there is power, the RS485-LN will be on.
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--
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  [[image:image-20220527092514-6.png]]
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  Connection2
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  [[image:image-20220527092555-7.png]]
  Connection3
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  If the configured parameters and commands are incorrect, the return value is not obtained.
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--
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  [[image:image-20220601143201-9.png]]
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  (% style="color:blue" %)**Example**:
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  (% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
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  (((
  Payload: 01 00 02 39 85 08 DC 00 00 00 44
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--
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  [[image:image-20220601142936-6.png]]
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  AT COMMAND
++(% style="color:#4f81bd" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
--(% style="color:blue" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
--
  [[image:image-20220601143642-2.png]]
  AT COMMAND
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  )))
  (((
--(% style="color:blue" %)**Type Code 0xAF**
++(% style="color:#4f81bd" %)**Type Code 0xAF**
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  (% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
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  === **1.3.4 How to configure and output commands for RS485 to USB** ===
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  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.
  )))
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  (% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
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  [[image:image-20220527093950-25.png]]
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  * 08 DF is the valid value of the meter with device address 02.
  * 43 62 is the valid value of the meter with device address 01.
--(% style="display:none" %) (%%)
--(% style="display:none" %) (%%)
--
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  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
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  * Configure Documen:  [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/||_mstmutation="1"]]
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  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
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  * Configure Document for RS485-LN:  [[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||_mstmutation="1"]]
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  == 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
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  * Configure Document For RS485-LN:  [[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||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
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  == 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==

Changes for page Application Note : Communicate with Different Sensors ----- RS485-LN / RS485-BL

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