Omron NX-SID800 User Manual

9 Troubleshooting
9 - 8
NX-series Safety Control Unit User’s Manual (Z930)
You can check the following information on past errors on the Controller Event Log Tab Page in the
Sysmac Studio: times, levels, sources, source details, event names, event codes, details, attached
information 1 through 4, and corrections.
Additional Information
Number of Events in Log of Past Errors
The following table gives the number of events that each event log can record. When an event
log is full and a new event occurs, the oldest data in the log is replaced with the new event
information.
Refer to the NJ/NX-series Troubleshooting Manual (Cat. No. W503) and the Sysmac Studio Version
1 Operation Manual (Cat. No. W504) for information on the items you can check and for how to
check for errors.
Refer to 9-3-3 Event Codes for Errors and Troubleshooting Procedures on page 9-10 for information
on event codes.
This section describes the errors that can originate in the Safety CPU Unit and Safety I/O Units and
how to correct them.
The errors that can occur in the Safety CPU Unit and the operation that is performed for each are
described in the following table.
Log of Past Errors
Event log category
Unit
Safety CPU Unit Safety I/O Unit
System event log 32 events total 10
Access event log 32 events total 10
9-3-2 Types of Errors
Safety CPU Unit
Type Overview Operation
System error Errors that occur in hardware
self-diagnosis in the Safety CPU
Unit
The Safety CPU Unit will stop.
The Safety I/O Units will detect this and make the
safety I/O data inactive (OFF).
Communications error Errors that occur in safety pro-
cess data communications with
the Safety I/O Units
The Safety CPU Unit will continue operation.
The relevant safety process data communica-
tions will stop.
The Unit that detects the safety process data
communications error will make the safety I/O
data inactive (OFF).
Program execution error Errors that occur in the safety
function blocks in the Safety
CPU Unit
The Safety CPU Unit will continue operation.
Refer to the NX-series Safety Control Unit
Instructions Reference Manual (Cat. No. Z931)
for the operation of function blocks in which
errors occur.

Omron NX-SID800 Specifications

General

Brand	Omron
Model	NX-SID800
Category	Controller
Language	English