Mitsubishi GT10 User Manual page 150

3) Communication error status
Communication error status of each port is displayed on this screen.
The table below summarizes the types and nature of the errors.
Display item
NO ERROR
ERR Ovr.
ERR Frm.
ERR Prt.
ERR Text
TIME OUT
ERR Line
ERR Cmd.
11 - 17 11.3 Communication Monitor
11.3.3 Screen display content
Communication is executed normally.
The receive data is sent continuously with a short interval.
Let the baud rate (communication speed) be equivalent between the GOT and counterpart
equipment.
The communication frames of GOT and PLC are inconsistent.
Confirm the communication settings of GOT and PLC, such as data length, stop bit and baud
rate.
The parity check conditions of GOT and PLC are inconsistent.
Let the parity check condition (odd or even) of GOT and PLC be consistent.
The sum data is inconsistent. Or the contents of the receive data are not consistent with the
send command from the GOT.
Let the communication settings and contents of data be consistent between the GOT and
counterpart equipment.
(If NAK is received while the GOT is connected to the microcomputer board, a text error occurs.)
Though receiving is started, receive data is not sent.
Check the wiring between the GOT and its communication target.
(When the GOT is connected to the microcomputer board, confirm the terminator, CR,
wiring, etc.)
The control line is not operating correctly. Confirm the wiring of the control line.
A command contained in the receive data is not consistent with the send command from the GOT.
Action