Omron NX-OD5256 User Manual

9 - 7
9 Troubleshooting
NX-series Digital I/O Unit User’s Manual (W521)
9-3 Checking for Errors and Troubleshooting on the Sysmac Studio
9
9-3-2 Event Codes and Corrections for Errors
The errors (i.e.,events) that occur in the Digital I/O Unit is shown below.
The following abbreviations are used in the event level column.
Refer to the NJ-series Troubleshooting Manual (Cat. No. W503) for all NJ-series event codes.
9-3-2 Event Codes and Corrections for Errors
Abbreviation Name
Maj Major fault level
Prt Partial fault level
Min Minor fault level
Obs Observation
Info Information
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
00200000 hex Non-volatile
Memory
Hardware
Error
An error occurred in
non-volatile mem-
ory.
• Non-volatile memory failure Yes P. 9-10
10410000 hex Control
Parameter
Error in Mas-
ter
An error occurred in
the control parame-
ters that are saved
in the master.
• There is an error in the area of
the non-volatile memory in the
Communications Coupler Unit
in which the control parameters
for the NX Unit are saved.
• The power supply to the NX
Unit was turned OFF or Sys-
mac Studio communications
were disconnected while writing
the control parameters.
Yes P. 9-11
80200000 hex NX Unit I/O
Communica-
tions Error
An I/O communica-
tions error occurred
between the Com-
munications Cou-
pler Unit and the
NX Unit.
• The NX Unit is not mounted
properly.
• The power cable for the Unit
power supply is disconnected.
Or, the wiring from the Unit
power supply to the NX Units is
incorrect.
• The power cable for the Unit
power supply is broken.
• The voltage of the Unit power
supply is outside the specified
range. Or, the capacity of the
Unit power supply is insuffi-
cient.
• There is a hardware error in the
NX Unit.
Yes P. 9-12

Omron NX-OD5256 Specifications

General

Brand	Omron
Model	NX-OD5256
Category	I/O Systems
Language	English