Omron NX-SID Series User Manual page 374

9 Troubleshooting
Event name NX Bus Communications Settings and Safety Application
Data Mismatch
Meaning There is an error in the safety application data that is saved in non-volatile memory.
Source Depends on where the Sysmac Stu-
dio is connected and the system con-
figuration.
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
The NX bus communications settings
that were transferred to the Safety
CPU Unit do not match the safety
application data.
Attached None
information
Precautions/ None
Remarks
Event name Non-volatile Memory Access Error
Meaning Reading/writing non-volatile memory failed.
Source Depends on where the Sysmac Stu-
dio is connected and the system con-
figuration.
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
Non-volatile memory failure
Attached None
information
Precautions/ None
Remarks
9 - 32
Source details
Minor fault Recovery
Continues. Operation
Data type
None
Correction
Transfer the Slave Terminal configu-
ration information and Safety Applica-
tion Data to the Safety CPU Unit
again.
Source details
Minor fault Recovery
Continues. Operation
Data type
---
Correction
Perform the Clear All Memory opera-
tion or download the settings again.
Replace the CPU Unit if the error
occurs again.
Event code 10520000 hex
NX Unit Detection timing
When settings Log category
are transferred
The Safety CPU Unit executes NX bus communications
with the relevant Units but refreshing for the safety pro-
gram stops. (All I/O data will remain at 0.)
Name
None
Prevention
None
Event code 10530000 hex
NX Unit Detection timing
Clear All Memory Log category
operation for the
Unit
The Unit continues to operate.
Name
---
Prevention
None
NX-series Safety Control Unit User's Manual (Z930)
When applicable
System
When power is
turned ON to the
NX Unit, when
the operating
mode is changed,
or when Clear All
Memory is exe-
cuted for NX Unit
System