5-15
5.3.3 When Connected to a FP Series PLC
Error codes which are sent from the PLC are listed in the table below. For information on other errors,
refer to the user’s manual of the PLC used. For details, refer to the table of MEWTOCOL-COM
communication errors in PLC user’s manuals.
When connected to Panasonic PLC
For GT01, GT11 and GT21
Data error
A data error
occurred during
communication.
1) There is an error in the communication condition settings. Check
the PLC and GT baud rate and transfer format.
2) There is a temporary error due to noise, etc. Re-supply power to
the PLC and GT.
Overrun error
The PLC isn’t
receiving data.
The CPU unit’s reception buffer is overflowing.
There could be an error in the PLC.
Re-supply power to the PLC and GT.
BCC error
A data error
occurred during
communication.
1) There is a temporary error due to noise, etc.
Re-supply power to the PLC and GT.
2) There is an error in the CPU unit. Re-supply power to the PLC
and GT.
Format error
The PLC has been
sent a command
that doesn’t match
the protocol.
1) There is a temporary error due to noise, etc.
Re-supply power to the PLC and GT.
2) There is an error in the CPU unit. Re-supply power to the PLC
and GT.
NOT support error
The GT has sent a
non-supported
command to the
PLC.
1) There is a temporary error due to noise, etc.
Re-supply power to the PLC and GT.
2) There is an error in the CPU unit. Re-supply power to the PLC
and GT.
BUSY error
The PLC is
currently
processing another
command.
A large amount of data is being communicated with another
RS232C port on the PLC.
Wait until the error is gone.
The specified parameter does not exist, or it cannot be used.
Data run error
There is an error in
the register or
relay number.
A register or relay number which doesn’t exist in the PLC was
specified during screen creation using GTWIN.
Correct the output device being used with the part, or the transfer
of clock data to an external device.
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