AccuEnergy AXM-WEB2, User Manual, Page: 26 / 131

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V: 1.10 Revised: January 2020 24
AXM-WEB2 for Acuvim II Series Power Meter
9.2 Format of communication
9.2.1 Explanation of frame
Transaction
identifier hi
Transaction
identifier lo
Protocol
identifier hi
Protocol
identifier lo
Length hi Length lo
Unit
identifier
0H 00H 00H 00H 00H 06H 01H
Function
Code
Data start
register hi
Data start
register lo
Data # of
registers hi
Data # of
registers lo
03H 40H 00H 00H 48H
The meaning of each abbreviated field above is:
Transaction identifier hi: High byte of transaction identifier
Transaction identifier lo: Low byte of transaction identifier
Protocol identifier hi: High byte of protocol identifier
Protocol identifier low: Low byte of protocol identifier
Length hi: High byte of length
Length lo: Low byte of length
Unit identifier: Slave address
Fun: Function code
Data start register hi: High byte of starting register address
Data start register lo: Low byte of starting register address
Data #of registers hi: High byte of number of registers
Data #of registers lo: Low byte of number of registers