Communication Error Respond - Adleepower AP2G3-137 Instruction Manual

Computer command message
D7 LRC HI
D8 LRC LO
END HI
END LO
E. Communication error respond
Once communication error happened, inverter will respond " Function
code and 80H" and communication error code to master system.
Communication error code definition
Error code
01H Function code error, only 03/06/08 available
03H Illegal data address (data address is not available)
04H Illegal operation command
05H Check sum error
31~39H Data error
1. RTU
Once communication error happend, AC drive respond as follow.
D1
Address Function code & 80H
LRC HI
LRC LO
0D
0A
Description
D2
Error code
66
AC drive response message
D7 LRC HI
D8 LRC LO
END HI
END LO
D3 D4
CRCL CRCH
LRC HI
LRC LO
0D
0A
D5