
FP2−CCU | Specifications |
6.3 Table of MEWTOCOL−COM Error Code
6.3Table of MEWTOCOL−COM Error Code
21Data Error:
•Situation
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 and the PLC side is different.
•Precautions when the FP2 Computer Communication Unit is being
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
22Overrun Error:
•
•
Situation
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 returned in cases such as commands being sent continuously from the host side.
•ERR LED on the FP2 Computer Communication Unit Lights
24 Transmission Format Error:
•
•
Situation
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 correctly.
•ERR LED on the FP2 Computer Communication Unit Lights
6 − 5