5.3.4 When Connected to a PLC (FX Series) Made by Mitsubishi Electric Corporation For GT01, GT11 and GT21
Code No.
Content
Cause and solution
ERFF
Time up error
There is no response
from the PLC.
1) PLC connection cable is disconnected. Check the wiring of
the connection cable and check for disconnection.
2) It is a temporary error caused by noise, etc. Turn on the
power supplies for PLC or GT again.
ER10
Data error
A data error occurred
during communication
Check for errors in the communication conditions settings.
ER12
Overrun error
The GT cannot receive
data.
PLC runaway might be the problem.
ER61
PLC error
A NAK error has been
returned from the PLC.
Verify the PLC settings.
For GT02, GT02L, GT05, GT12, GT32 and GT32-E
Code No.
Content
Cause and solution
ERFFFE
NAK error
A NAK error has been
returned from the PLC.
Verify the PLC settings.
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