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OUT Indicator
The OUT indicator shows the signal input status of the safety output terminal.
The following table lists the possible states for this indicator and what they mean.
Color Status Meaning
Yellow Lit Safety output terminal is ON and there are no errors.
--- Not lit Safety output terminal is OFF or an error has occurred.
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OUT ERR Indicator
The OUT ERR indicator shows the error status of the safety output terminals.
The following table lists the possible states for this indicator and what they mean.
Color Status Meaning
Red
Lit An error has occurred in the safety output terminal.
Flashing (at 1-s intervals) An error has occurred in the safety output terminal for the
other channel of the dual channel I/O.
--- Not lit No error has occurred in the safety output terminal.
Refer to 12-2-1 Troubleshooting the Main Errors in the Safety CPU Unit on page
12 - 3 for details
on the relationship between errors of the Safety Output Unit and the indicators.
2 Specifications
2 - 40
NX-series Safety Control Unit User's Manual (Z930)