Cable Insertion Error Detection Function - Mitsubishi Electric MELSEC Q Series Reference Manual

4.4.5

Cable insertion error detection function

Incorrect cable connection between OUT and IN can be detected as a cause of loopback or disconnection from the
network.
The CC IE Control diagnostics makes troubleshooting easy. (
Control station
No.1
Normal station
No.4
128
IN OUT IN
OUT IN IN
Page 541, Section 10.4)
Normal station
No.2
OUT
Incorrect cable connection between
OUT and IN is detected as the cause
of the loopback and disconnection.
Cable
OUT
insertion error
Normal station
No.3