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

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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. ( Page 541, Section 10.4)
Normal station
No.3
Normal station
No.4
Normal station
No.2
Control station
No.1
Incorrect cable connection between
OUT and IN is detected as the cause
of the loopback and disconnection.
OUTIN OUTIN
INOUT OUTIN
Cable
insertion error