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Changes for page 1 Communication

Last modified by Hunter on 2024/07/01 10:54
From version 221.1
edited by Hunter
on 2023/03/23 14:35
Change comment: There is no comment for this version
To version 228.1
edited by Hunter
on 2023/03/23 19:10
Change comment: There is no comment for this version

Summary

Details

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... ... @@ -2026,9 +2026,56 @@
2026 2026  [[image:VNETCommunicationtabmeter.png]]
2027 2027  
2028 2028  (% class="wikigeneratedid" %)
2029 -4. Create new real-time monitoring tag.
2029 +4. Create new real-time monitoring tag accroding to Modbus manual
2030 2030  
2031 +(% class="wikigeneratedid" %)
2032 +Enter the address we want to read from the meter. The following table is intercept part of the manual for Linfee Modbus manual.
2031 2031  
2034 +(% class="wikigeneratedid" %)
2035 +**0x03/0x04 command data register address**:
2036 +
2037 +(% style="width:1142.22px" %)
2038 +|(% style="display:none" %) |=(% colspan="2" rowspan="1" style="width: 165px;" %)Address(% style="display:none" %) |=Description|=Data Format|=(% style="width: 254px;" %)Data Length(Word)|=(% style="width: 282px;" %)Remark
2039 +|(%%)(% style="display:none" %) (%%) HEX|(% style="width:107px" %)DEC|(%%)(% style="display:none" %) (%%) |(% style="width:100px" %) |(%%)(% style="display:none" %) (%%) |(% style="width:318px" %)
2040 +|(% style="width:107px" %)0x00|(% style="width:100px" %)0|Reserved| | |(% style="width:318px" %)
2041 +|(% style="width:107px" %)0x02|(% style="width:100px" %)2|Reserved| | |(% style="width:318px" %)
2042 +|(% style="width:107px" %)0x04|(% style="width:100px" %)4|Reserved| | |(% style="width:318px" %)
2043 +|(% style="width:107px" %)0x06|(% style="width:100px" %)6|Ua|float|2|(% style="width:318px" %)Phase Voltage data, Unit V
2044 +|(% style="width:107px" %)0x08|(% style="width:100px" %)8|Ub|float|2|(% style="width:318px" %)Phase Voltage data, Unit V
2045 +|(% style="width:107px" %)0x0A|(% style="width:100px" %)10|Uc|float|2|(% style="width:318px" %)Phase Voltage data, Unit V
2046 +|(% style="width:107px" %)0x0C|(% style="width:100px" %)12|Uab|float|2|(% style="width:318px" %)Line Voltage data, Unit V
2047 +|(% style="width:107px" %)0x0E|(% style="width:100px" %)14|Ubc|float|2|(% style="width:318px" %)Line Voltage data, Unit V
2048 +|(% style="width:107px" %)0x10|(% style="width:100px" %)16|Uca|float|2|(% style="width:318px" %)Line Voltage data, Unit V
2049 +|(% style="width:107px" %)0x12|(% style="width:100px" %)18|Ia|float|2|(% style="width:318px" %)Phase Current data, Unit A
2050 +|(% style="width:107px" %)0x14|(% style="width:100px" %)20|Ib|float|2|(% style="width:318px" %)Phase Current data, Unit A
2051 +|(% style="width:107px" %)0x16|(% style="width:100px" %)22|Ic|float|2|(% style="width:318px" %)Phase Current data, Unit A
2052 +
2053 +{{info}}
2054 +**✎Note: **We usually use the Data Type 4 for read the Modbus registers(Function Code 03)
2055 +{{/info}}
2056 +
2057 +For example, here we want to read the Phase Voltage Ua (Modbus offset 0006), the Modbus register main No. requires input decimal number, and check whether the actual address has one address offset, so the tag configured like the following screenshot:
2058 +
2059 +(% style="text-align:center" %)
2060 +[[image:VNETModbusTagSettings.png]]
2061 +
2062 +(% style="text-align:center" %)
2063 +[[image:VNETModbusTagByteSettings.png]]
2064 +
2065 +{{info}}
2066 +**✎Note: **If the read value is incorrect, please check whether need to change the Byte order.
2067 +{{/info}}
2068 +
2069 +Set the Modbus Slave Station No.
2070 +
2071 +(% style="text-align:center" %)
2072 +[[image:ModbusStationSettings.png]]
2073 +
2074 +If the communication is setup successfully, the tag will show green light.
2075 +
2076 +(% style="text-align:center" %)
2077 +[[image:Monitoringtaggreenlight.png]]
2078 +
2032 2032  == **MODBUS RTU Master** ==
2033 2033  
2034 2034  Select the protocol "Modbus RTU Master",
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