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Event name
Internal Circuit Error at Safety Output
Meaning
A fault was detected in the internal circuit for the safety output terminal.
Source
Depends on where the Sysmac
Studio is connected and the sys-
tem configuration.
Error attrib-
Level
utes
Effects
User program
System-de-
Variable
fined varia-
None
bles
Cause and
Assumed cause
correction
The internal circuit for the safety
output terminal is faulty.
A memory error or signal error
occurred due to a transient
cause, such as an excessive
noise.
Attached in-
Attached information 1: Terminal number
formation
Precautions/
None
Remarks
NX-series Safety Control Unit User's Manual (Z930)
Source details NX Unit
Minor fault
Recovery
Continues.
Operation
Data type
None
Correction
Cycle the power supply. If the er-
ror occurs again, replace the
Unit.
12 Troubleshooting
Event code
05230000 hex
Detection tim-
ing
Cycle the pow-
Log category
er supply to the
Unit.
The safety output terminal retains the safe state
until the power supply is cycled.
Name
None
Prevention
If cycling the power supply re-
stores normal operation, there
may be excessive noise near the
Unit. Implement noise counter-
measures.
During refresh-
ing
System
12
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Table of Contents
Troubleshooting
