Acuvim-L Series : L-WEB User manual
www.accuenergy.com
V: 1.0 Revised: Sept. 2019
24
Fun
Data start reg hi
Data start reg lo
Data #of regs hi
Data #of regs 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
Read Status of DI (Function code 02)
1=On 0=Off
There are 28 DIs in the Acuvim L series meter starting at address 0000H.
The following query is to read 4 DI statuses of AXM-IO1 module with logic address of 1 in the
Acuvim L series meter.