GT10/GT30

9.3 Error Codes and How to Handle Them

 

 

9.3.2PLC Error Codes

Error codes which are sent from the PLC are listed in the table below. For details, please refer to the separate [Computer Communication Unit Introductory Manual].

Code no.

Content

Cause and solution

 

 

 

21

Data error

1) There is an error in the communication condi-

 

A data error occurred during communication.

tion settings. Check the PLC and GT10 com-

 

 

munication speed and transfer format.

 

 

2) There is a temporary error due to noise, etc.

 

 

Re–supply power to the PLC and GT10.

 

 

 

22

Overrun error

The CPU unit’s reception buffer is overflowing.

 

The PLC isn’t receiving data.

There could be an error in the PLC.

 

 

Re–supply power to the PLC and GT10.

 

 

 

40

BCC error

1) There is a temporary error due to noise, etc.

 

A data error occurred during communication.

Re–supply power to the PLC and GT10.

 

 

2) There is an error in the CPU unit. Re–supply

 

 

power to the PLC and GT10.

 

 

3) See note.

 

 

 

41

Format error

1) There is a temporary error due to noise, etc.

 

The PLC has been sent a command that doesn’t

Re–supply power to the PLC and GT10.

 

match the protocol.

2) There is an error in the CPU unit. Re–supply

 

 

 

 

power to the PLC and GT10.

 

 

3) See note.

 

 

 

42

NOT support error

1) There is a temporary error due to noise, etc.

 

The GT10 has sent a non–supported command

Re–supply power to the PLC and GT10.

 

to the PLC.

2) There is an error in the CPU unit. Re–supply

 

 

 

 

power to the PLC and GT10.

 

 

3) See note.

 

 

 

53

BUSY error

A large amount of data is being communicated

 

The PLC is currently processing another com-

with another RS232C port on the PLC.

 

mand.

Wait until the error is gone.

 

 

 

61

Data run error

A register or relay number which doesn’t exist in

 

There is an error in the register or relay number.

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.

 

 

 

NOTE

For some older GT models, the cable may be too long. Try shortening the cable to max. 10 meters.

144