9-53
9 Troubleshooting and Maintenance
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
9-4 Event Logs
9
9-4-3 Error Descriptions
Event name Slave Function Enable/Disable Failed Event code 74630000 hex
Meaning An error occurred in one of the following operations in the slave function.
• Slave Function Enable Switch (device variable *_Sw2SlavEnblCmd)
• Slave Function Disable Switch (device variable *_Sw2SlavDsblCmd)
Source PLC Function Module Source details CJ-series Unit Detection
timing
At user operation
Error attributes Level Minor fault Recovery Error reset Log category System
Effects User program Continues. Operation Not affected.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
An attempt was made to enable the
slave function when it was already
enabled.
Disable the slave function before you
enable it.
Disable the slave function before you
enable it.
An attempt was made to disable the
slave function when it was already
disabled.
Enable the slave function before you
disable it.
Enable the slave function before you
disable it.
CPU Unit is not in PROGRAM mode. Change the CPU Unit to PROGRAM
mode.
Change the CPU Unit to PROGRAM
mode.
More than one software switch
changed to TRUE at the same time.
Or, another software switch changed
to TRUE before processing was com-
pleted for a previous software switch.
Execute the software switch opera-
tions one at a time.
Execute the software switch opera-
tions one at a time.
Attached
information
None
Precautions/
Remarks
None
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