LG GLOFA-GM Series User Manual page 204

Chapter 7 Communication function
(For PLC NAK response after execution of command)
Format
Header
Name
Frame (Ex.) NAK
ASCII value H15
Station Main Command
No. command type
H01 P(p) DX
H3031 H50(70) H44(64)
7-85
Number
Frame No.
of data
H00FF H17
H30304646 H3137
Error code Tail
Error code ETX
H03
Frame
check
BCC