Omron CJ1W-DRM21 Operation Manual page 235

Status of C200H Master Replacement
Master Status 1
*_CMstrSta*_CMstrSta
*_CMstrErr (Master Error) and
*_CMstrIOErr (Communication Error) are
TRUE or *_CMstrErr (Master Error) and
*_CMstrSendErr (1Send Error) are
TRUE.
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CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
Status of device variables
for CJ-series Units
*_Mstr1IOErr (Remote I/O Communica-
tion Error), *_UnitErr (Unit Error) and
*_MstrFunErr (Master Function Error)
are TRUE, or *_NetPwrErr (Network
Power Error) and *_UnitErr (Unit Error),
or *_SendTimeoutErr (Send Timeout
Error) and *_UnitErr (Unit Error) are
TRUE.
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9 Troubleshooting and Maintenance
Correction
Perform error processing according to
the cause:
• Remote I/O communications error
(See error d9.)
• Network power supply error (See
error E0.)
• Transmission timeout error (See
error E2.)
Correct the cause of the error and
then restart remote I/O communica-
tions using the software switch
*_Sw1IOCommStartCmd (the
Remote I/O Communications Start
Switch.)
Switch the CPU Unit to PROGRAM
mode and try the operation again.
The C2 display will automatically go
out after 30 seconds or will go out if
the new software switch operation is
successful.
Correct the structure error's cause
(see errors d0 to d2), then register to
the scan list again after checking
there is no error.
9
9-5