Evoqua WALLACE & TIERNAN SFC fieldbus Manual page 59

SFC fieldbus module retrofit set
Modbus TCP Request telegram
• "Slave ID:
• "Function Code FC:
• "Address of the first register (40002 - 40001):
• "Number of registers required:
Telegram: 01 03 0001 0002
Response telegram
Telegram: 01 03 04 0000 3FA0
• "01: Slave ID
• "03: Function Code FC
• "04: Number of data bytes remaining to be
received
(2 registers with 2 bytes each = 4 bytes)
• "0000: Contents of register 40002
• "3FA0: Contents of register 40003
3.
Description
01
03
01
02
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