Mitsubishi Electric MELSEC Q Series Reference Manual page 548

(2) When a programming tool connected station is faulty
Control station
No.1
Normal station
No.4
(3) When a programming tool connected station is disconnected from the network
Control station
No.1
Normal station
No.4
546
Normal
station Selected
No.2 station
Normal station
No.3
Select the own station.
A communication error has occurred between the OUT-side of the station
No.2 and the IN-side of the station No.4.
An error has occurred in the station No.2.
Click the error details button.
The Error Factor field indicates that a cable has not been inserted into
the correct port.
Take corrective actions according to the troubleshooting.
Normal station
No.2
Normal Selected
station
station
No.3
An error has occurred in the station No.3.
Click the error details button.
The Error Factor field indicates that a cable has not been inserted into
the correct port.
Take corrective actions according to the troubleshooting.