Omron NX-SID Series User Manual page 386

9 Troubleshooting
Event name Overload Detected at Test Output
Meaning An overcurrent was detected at the test output terminal.
Source Depends on where the Sysmac Stu-
dio is connected and the system con-
figuration.
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
There is a ground fault on the output
signal line.
The external device is faulty.
Attached Attached information 1: Terminal number
information
Precautions/ None
Remarks
Event name Stuck-at-high Detected at Test Output
Meaning It was detected that the test output terminal is stuck ON.
Source Depends on where the Sysmac Stu-
dio is connected and the system con-
figuration.
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
The positive power supply line is in
contact with the output signal line.
The internal circuit is faulty.
A memory error or signal error
occurred due to a transient cause,
such as a software error or excessive
noise.
Attached Attached information 1: Terminal number
information
Precautions/ None
Remarks
9 - 44
Source details
Minor fault Recovery
Continues. Operation
Data type
None
Correction
Check the external wiring.
Replace the external device.
Source details
Minor fault Recovery
Continues. Operation
Data type
None
Correction
Check the external wiring.
Cycle the power supply. If the error
occurs again, replace the Unit.
Event code 65240000 hex
NX Unit Detection timing
When safety Log category
input terminal
goes inactive
after cause of
error is removed
The safety input terminal that is the test source of the test
output terminal retains the safe state until the error is
removed.
Name
None
Prevention
Set the parameters and wire the sys-
tem considering the corrections that
are given on the left.
Event code 65250000 hex
NX Unit Detection timing
When safety Log category
input terminal
goes inactive
after cause of
error is removed
The safety input terminal that is the test source of the test
output terminal retains the safe state until the error is
removed.
Name
None
Prevention
Set the parameters and wire the sys-
tem considering the corrections that
are given on the left.
If cycling the power supply restores
normal operation, there may be
excessive noise near the Unit. Imple-
ment noise countermeasures.
NX-series Safety Control Unit User's Manual (Z930)
During refreshing
System
During refreshing
System