Omron NX-SL3500 User Manual

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 in-
formation
Event log category
Unit
Safety CPU Unit Safety I/O Units
System event log NX-SL3300 / NX-SL3500: 32
NX-SL5500
/
NX-SL5700: 128
10
Access event log 32 events total 10
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 12-3-3 Event Codes for Errors and Troubleshooting Procedures on page 12 - 17 for informa-
tion on event codes.
12-3-2
Types of Errors
This section describes the errors that can originate in the Safety CPU Unit and Safety I/O Units and
how to correct them.
Safety CPU Unit
The errors that can occur in the Safety CPU Unit and the operation that is performed for each are de-
scribed in the following table.
Type Overview Operation
System Error Errors that occur in hard-
ware 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).
Communica-
tions Errors
Errors that occur in safe-
ty process data commu-
nications
The Safety CPU Unit will continue operation.
The relevant safety process data communications will stop.
The Unit that detects the safety process data communications er-
ror will make the safety I/O data inactive (OFF).
Operation con-
tinuation error
related to pro-
gram execution
Errors that occur in the
safety function blocks in
the Safety CPU Unit
The Safety CPU Unit will continue operation.
Refer to
NX-series Safety Control Unit Instructions Reference
Manual (Cat. No. Z931) for the operation of function blocks in
which errors occur.
Operation stop
error related to
program execu-
tion
Errors that occur in the
safety function blocks in
the Safety CPU Unit
The Safety CPU Unit operation is continued; however
, the execu-
tion of user programs and all the safety process data communi-
cations are stopped.
Refer to NX-series Safety Control Unit Instructions Reference
Manual (Cat. No. Z931) for the operation of function blocks in
which errors occur.
Setting error
Safety CPU Unit setting
error
The Safety CPU Unit continues operation. Refer to the list of er-
rors for details.
12 Troubleshooting
12 - 15
NX-series Safety Control Unit User's Manual (Z930)
12-3 Checking for Errors with the Sysmac Studio
12
12-3-2 Types of Errors

Omron NX-SL3500 Specifications

General

Brand	Omron
Model	NX-SL3500
Category	Controller
Language	English