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WIRING MODE READING
Query example: 0103203C0002C70F
Example Byte Description
01
-
Slave address
03
-
Function code
20
High
Starting register
3C
Low
00
High
2 words to be read
02
Low
C7
High
CRC
0F
Low
Response example: 01030400018599
Example Byte Description
01
-
Slave address
03
-
Function code
04
-
4 data bytes
00
High
00
Low
3 phase, 4 wire, 3 current wiring mode
00
High
01
Low
85
High
CRC
99
Low
5.2 MODBUS TCP
The following tables show some reading examples in MODBUS TCP.
Values contained both in Query and Response messages are in hex format.
CURRENT VALUE READING
Query example: 0100000000060103000E000A
Example Byte Description
01
-
Transaction ID
00
High
00
Low
Protocol ID
00
High
00
Low
06
-
6 data bytes
01
-
Unit ID
03
-
Function code
00
High
Starting register
0E
Low
00
High
10 words to be read
0A
Low
MODBUS RTU/ASCII, TCP
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