5-91
5 Troubleshooting
NJ-series CPU Unit Hardware User’s Manual (W500)
5-2 Troubleshooting
5
5-2-4 Error Descriptions
* This event code occurs for unit version 1.03 or later of the CPU Unit.
* This event code occurs for unit version 1.03 or later of the CPU Unit.
Event name Backup Completed Event code 901B0000 hex*
Meaning The backup operation ended normally.
Source PLC Function Module Source details None Detection
timing
At end of normal
backup operation
Error attributes Level Information Recovery --- 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
The backup operation ended nor-
mally.
--- ---
Attached
information
Attached information 1: Operation type
0101 hex: Controller to SD Memory Card for switch operation on front of CPU Unit
0102 hex: Controller to SD Memory Card for system variable operation
0103 hex: Controller to SD Memory Card for Sysmac Studio operation
0201 hex: Controller to computer
Precautions/
Remarks
None
Event name Restore Operation Started Event code 901C 0000 hex*
Meaning A restore operation started.
Source PLC Function Module Source details None Detection
timing
At start of restore
operation
Error attributes Level Information Recovery --- Log category System
Effects User program --- Operation Not affected.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
A restore operation started. --- ---
Attached
information
Attached information 1: Operation type
0101 hex: SD Memory Card to Controller for switch operation on front of CPU Unit
0102 hex: SD Memory Card to Controller for specification with a system-defined variable
0201 hex: Computer to Controller
Precautions/
Remarks
None
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