Panasonic FP2 사용자 설명서
Specifications
FP2−CCU
6 − 5
6.3
Table of MEWTOCOL−COM Error Code
6.3
Table of MEWTOCOL−COM Error Code
21 Data Error:
•
Situation
A data error occurred during communication.
A data error occurred during communication.
There are three types of data errors: parity errors, framing errors, and unit
receive buffer errors.
•
Example of error
This occurs if the communication format between the host computer side
This occurs if the communication format between the host computer side
and the PLC side is different.
•
Precautions when the FP2 Computer Communication Unit is being
used
used
If the parity settings are different, the ERR LED lights but no error code is
returned.
•
ERR LED on the FP2 Computer Communication Unit
Lights
Lights
22 Overrun Error:
•
Situation
The CPU unit buffer is full, and no more data can be received.
The CPU unit buffer is full, and no more data can be received.
•
Example of error
This occurs if a command being sent before a response has been
This occurs if a command being sent before a response has been
returned in cases such as commands being sent continuously from the
host side.
•
ERR LED on the FP2 Computer Communication Unit
Lights
Lights
24 Transmission Format Error:
•
Situation
There is an error in the setting of a hierarchy control command.
There is an error in the setting of a hierarchy control command.
•
Example of error
This occurs if a hierarchy control command has not been notated
This occurs if a hierarchy control command has not been notated
correctly.
•
ERR LED on the FP2 Computer Communication Unit
Lights
Lights