Adleepower AP2G3-337 Instruction Manual page 60

Example : Read two parameters of AC drive address52(34H) from
CD22. CD22=20.00(07D0H) CD23=30.00(0BB8H).
1. RTU
Computer command message
D1 Address
D2 Function
D3 Start address (H)
D4 Start address (L)
D5 # of data (H)
D6 # of data (L)
D7 CRCL
D8 CRCH
AC drive response message
34H D1 Address
03H D2 Function
Quantity of data
00H D3
(count by byte)
16H D4 CD22 content (H)
00H D5 CD22 content (L)
02H D6 CD23 content (H)
CRCL D7 CD23 content (L)
CRCH D8 CRCL
D9 CRCH
58
34H
03H
04H
07H
D0H
0BH
B8H
CRCL
CRCH