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MELSEC-Q
8 TROUBLESHOOTING
8.4 Canceling a Minor Error (Continue Error) on a Remote I/O Station
An error of a remote I/O module can be canceled if it is a type of errors that allows the
module operation to continue, as in the case of CPU modules.
The following explains errors that can be canceled and how to cancel them.
(1) Errors that can be canceled
The errors listed below can be canceled.
For error details, refer to Section 8.3.3.
Error code Error message
1300
FUSE BREAK OFF
1
1401
SP. UNIT DOWN
1
1403
SP. UNIT DOWN
1
1510 SINGLE PS. DOWN
1520 SINGLE PS. ERROR
2000
UNIT VERIFY ERR.
1
1: Can be canceled only when “Continue” is set in the CPU module on the remote
master station and in PLC parameter (Error time operation mode, H/W error time
CPU operation mode) for the remote I/O station.
If “Stop” has been selected, the error cannot be canceled because it is regarded
as a moderate error (stop error).
(2) How to cancel an error
The following lists how to cancel an error.
Item Operation
Availability
Reference
section
GX
Developer
Sequence
program
Canceling a specific
remote I/O station error
Manipulate the remote master station and a remote
I/O station to cancel only a specific remote I/O station
error.
8.4.1
Canceling errors of all
remote I/O stations
Manipulate the remote master station to cancel errors
of all remote I/O stations.
8.4.2
: Available : N/A