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 < 1.8 >

edited by Xiaoling
on 2022/05/12 10:03

To version < 1.12 >

edited by Xiaoling
on 2022/05/12 10:13

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@@ -20,7 +20,6 @@
  * [[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.
  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
--
  == 1.2 Example 2: Connect to Pulse Counter ==
  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:
@@ -36,7 +36,6 @@
  * [[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
  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
--
  == 1.3 Example3: Use RS485-LN with energy meters ==
  === 1.3.1 OverView ===
@@ -49,7 +49,7 @@
  This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
  )))
--[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="800" width="600"]]
++[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]]
  Connection1
@@ -65,12 +65,13 @@
  Once there is power, the RS485-LN will be on.
--[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="450" width="600"]]
++[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]
  Connection2
--[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="800" width="600"]]
++[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="763" width="573"]]
++
  Connection3
@@ -91,7 +91,9 @@
  * 5th and 6th bytes: Number of registers to read
  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
++(((
  How to parse the reading of the return command of the parameter：
++)))
  (% class="box infomessage" %)
  (((
@@ -105,7 +105,6 @@
  * The 6th and 7th bytes: CRC16 checksum
  * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
--
  === 1.3.3 How to configure RS485-LN and parse output commands ===
  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
@@ -120,7 +120,7 @@
  [[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
--**AT COMMAND**
++AT COMMAND
  (% class="box infomessage" %)
  (((
@@ -149,27 +149,49 @@
  [[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
++(((
  AT COMMAND
++)))
++(((
  **Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
++)))
++(((
  RETURN1:01 03 02 00 02 39 85 00 00(return data)
++)))
++(((
  AT+DATACUT1:9,1,4+5+6+7 Take the return value 00 02 39 85 as the valid value of reading current data and used to splice payload.
++)))
++(((
  CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
++)))
++(((
  RETURN2:01 03 02 08 DC BE 1D(return data)
++)))
++(((
  AT+DATACUT2:7,1,4+5 Take the return value 08 DC as the valid value of reading voltage data and used to splice payload.
++)))
++(((
  CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
++)))
++(((
  RETURN3:01 03 04 00 00 00 44 FA 00(return data)
++)))
++(((
  AT+DATACUT3:9,1,4+5+6+7 Take the return value 00 00 00 44 as the valid value of reading total active energy data and used to splice payload.
++)))
++(((
  Payload:01 00 02 39 85 08 DC 00 00 00 44
++)))
  [[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
@@ -187,33 +187,65 @@
  [[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]
++(((
  DOWNLINK
++)))
++(((
++
++)))
++
++(((
  Type Code 0xAF
++)))
++(((
 xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
++)))
++(((
  Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
++)))
++(((
  Format: AF MM NN LL XX XX XX XX YY
++)))
++(((
  Where:
++)))
++(((
  MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
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++(((
  NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
++)))
++(((
  LL: The length of AT+COMMAND or AT+DATACUT command
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++(((
  XX XX XX XX: AT+COMMAND or AT+DATACUT command
++)))
++(((
  YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN
++)))
++(((
  will execute an uplink after got this command.
++)))
++(((
  Example:
++)))
++(((
  AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
++)))
  [[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
@@ -323,7 +323,6 @@
  * 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.
--
  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
  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 SCHNEIDER SMART and Monitor and control your cabinet remotely with no wires and with Dragino RS485-LN LoRaWAN technology. The structure is like below:
@@ -334,7 +334,6 @@
  * [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/]] : Configure Documen
--
  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
  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-BL to connect to SEM Three Energy Meter and send the data to mobile phone for remote minitor. The structure is like below:
@@ -343,7 +343,6 @@
  * [[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
--
  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
  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:
@@ -350,7 +350,6 @@
  * [[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
--
  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
  [[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]

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

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