Omron CJ1W-DRM21 Operation Manual page 278

9 Troubleshooting and Maintenance
Event name Slave I/O Refresh Error
Meaning The I/O memory in the destination CPU Unit for I/O refreshing could not be found when refreshing the slave function
data in the CPU Unit.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
I/O words are allocated in an EM
bank that does not exist.
Attached None
information
Precautions/ None
Remarks
Event name Slave User Allocation Area Setting Failed
Meaning An error occurred in the following operation for user allocation of the slave.
• Slave user allocation setting switch (device variable *_Sw2SlavAlocCmd)
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
The slave function is not disabled.
There is a mistake in the user alloca-
tions to a slave.
CPU Unit is not in 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.
Attached None
information
Precautions/ None
Remarks
9-48
Source details
Minor fault Recovery
Continues. Operation
Data type
---
Correction
Correct the I/O allocations so that
only I/O words that exist in the I/O
memory of a CPU Unit are allocated.
Source details
Minor fault Recovery
Continues. Operation
Data type
---
Correction
Disable the slave function.
Use the correct settings.
Change the CPU Unit to PROGRAM
mode.
Execute the software switch opera-
tions one at a time.
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
Event code 34C2 0000 hex
CJ-series Unit Detection
timing
Error reset Log category
Remote I/O for the slave function
Name
---
Prevention
Allocate only I/O words that exist in
the I/O memory of a CPU Unit.
Event code 34C3 0000 hex
CJ-series Unit Detection
timing
Error reset Log category
Not affected.
Name
---
Prevention
Disable the slave function to set slave
user allocations.
Check the settings.
Change the CPU Unit to PROGRAM
mode before setting user allocations
for the slaves.
Execute the software switch opera-
tions one at a time.
At power ON or
Controller reset
System
At user operation
System