LS iP5A - Common Specifications; Operational and Control Parameters; Input;Output Signals and Operation; Protection, Alarms, and Keypad

iP5A Modbus/TCP Manual
11
(3) Except Frame
Except Frame is for responding from Server if Error happens performing the
required Frame when Client sends required Frame to Server.
Exception Frame Structure
Exception Code Type
Error Frame
Length
Value
Error Code
1bytes
0x80 + Function Code that
Client requires
Exception Code
1bytes
0x0000 ~ 0xFFFF