Omron NX-SID800 User Manual

9 Troubleshooting
9 - 20
NX-series Safety Control Unit User’s Manual (Z930)
Event name NX Unit I/O Communications Error Event code 80200000 hex
Meaning An I/O communications error occurred between the Communications Coupler Unit and the NX Unit.
Source Depends on where the Sysmac Stu-
dio is connected and the system con-
figuration.
Source details NX Unit Detection timing Continuously
Error attributes Level Minor fault Recovery Reset error in the
NX Unit.
Log category System
Effects User program Continues. Operation The NX Unit will continue to operate.
Input data: Updating input values stops.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
The NX Unit is not mounted properly. Mount the NX Units and End Cover
securely and secure them with End
Plates.
Mount the NX Units and End Cover
securely and secure them with End
Plates.
The power cable for the Unit power
supply is disconnected. Or, the wiring
from the Unit power supply to the NX
Units is incorrect.
Correctly wire the Unit power supply
to the NX Units.
Correctly wire the Unit power supply
to the NX Units.
The power cable for the Unit power
supply is broken.
Replace the power cable between the
Unit power supply and the NX Units.
None
The voltage of the Unit power supply
is outside the specified range. Or, the
capacity of the Unit power supply is
insufficient.
Correctly configure the power supply
system according to the power supply
design methods.
Correctly configure the power supply
system according to the power supply
design methods.
There is a hardware error in the NX
Unit.
If the error occurs again even after
you make the above correction,
replace the NX Unit.
None
Attached
information
None
Precautions/
Remarks
None

Omron NX-SID800 Specifications

General

Brand	Omron
Model	NX-SID800
Category	Controller
Language	English