Omron Sysmac NX Series User Manual page 217

Event name NX Unit Output Synchronization Error
Meaning An output synchronization error occurred in the NX Unit.
Source Depends on where the Support
Software is connected and the
system configuration.
Error attrib- Level
utes
Recovery
Effects User program
System-de- Variable
fined varia-
None
bles
Cause and Assumed cause
correction
For the NX bus of CPU Units
I/O refreshing on the NX bus is
not performed normally due to an
error in the CPU Unit.
For Communications Coupler Units
The communications cable con-
nected to the Communications
Coupler Unit is broken or the
connection is faulty.
The communication cable is af-
fected by noise.
Attached in- None
formation
Precautions/ None
Remarks
NX-series Analog I/O Units User's Manual for High-speed Analog Input Units (W592)
Source details NX Unit
Minor fault
For the NX bus of CPU Units
Reset the error in the NX Bus Function Module.
For Communications Coupler Units
Reset all errors in Controller.
Continues. Operation
Data type
---
Correction
Check the error that occurred in
the CPU Unit and perform the re-
quired corrections.
Replace the communications ca-
ble or wire the cable correctly.
Set the Consecutive Communi-
cations Error Detection Count
parameter for the Communica-
tions Coupler Unit to a suitable
value that will not cause prob-
lems in operation.
Implement noise countermeas-
ures if there is excessive noise.
9 Troubleshooting
Event code 80210000 hex
Detection tim-
ing
Log category System
The NX Unit will continue to operate.
Input data: Updating input values stops.
Output data: The output values depend on the
Load Rejection Output Setting.
Name
---
Prevention
Take preventive measures
against the error that occurred in
the CPU Unit.
Wire the communications cable
correctly.
Implement noise countermeas-
ures. Refer to the operation man-
uals for the specific Units for the
noise countermeasures.
Continuously
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