Event name Internal Circuit Error at Test Output Event code 05220000 hex
Meaning A fault was detected in the internal circuit for the test output terminal.
Source Depends on where the Sysmac
Studio is connected and the sys-
tem configuration.
Source details NX Unit Detection tim-
ing
During refresh-
ing
Error attrib-
utes
Level Minor fault Recovery Cycle the pow-
er supply to the
Unit.
Log category System
Effects User program Continues. Operation The test output terminal retains the safe state until
the power supply is cycled. Also, an External T
est
Signal Failure at Safety Input event (65220000
hex) will occur for the safety input terminal that is
the test source of the test output terminal.
System-de-
fined Varia-
bles
V
ariable Data type Name
None None None
Cause and
correction
Assumed cause Correction Prevention
The internal circuit for the test
output terminal is faulty.
Cycle the power supply
. If the er-
ror occurs again, replace the
Unit.
If cycling the power supply re-
stores normal operation, there
may be excessive noise near the
Unit. Implement noise counter-
measures.
A memory error or signal error
occurred due to a transient
cause, such as an excessive
noise.
Attached in-
formation
Attached information 1: Terminal number
Precautions/
Remarks
None
12 Troubleshooting
12 - 78
NX-series Safety Control Unit User's Manual (Z930)
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