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2 Specifications
The following table lists the possible states for this indicator and what they mean.
Color
Green
Red
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l FS Indicator
The FS indicator shows the FSoE communications status and safety function status of the Safety
Input Unit.
The following table lists the possible states for this indicator and what they mean.
Color
Green
Red
---
l IN Indicator
The IN indicator shows the signal input status of the safety input terminal.
The following table lists the possible states for this indicator and what they mean.
Color
Yellow
---
l IN ERR Indicator
The IN ERR indicator shows the error status of the safety input terminal.
The following table lists the possible states for this indicator and what they mean.
Color
Red
2 - 26
Status
Lit
Flashing (at 1-s intervals)
Lit
Flashing (at 1-s intervals)
Not lit
Status
Lit
Flashing (at 1-s intervals)
Flashing (at 1-s intervals)
Not lit
Status
Lit
Not lit
Status
Lit
Flashing (at 1-s intervals)
Meaning
The Unit is operating normally.
Initializing, or I/O allocation information data is being down-
loaded from the Sysmac Studio.
A hardware error, WDT error, or other critical error has oc-
curred.
An NX bus communications error, I/O allocation information
data error, or other recoverable minor error that is attributed
to the NX bus has occurred.
•
There is no Unit power supply
•
Restarting the Unit
•
Waiting for initialization to start
Meaning
The FSoE connections are established and there are no er-
rors in any Safety I/O Units functions.
The FSoE connections are being established.
An FSoE communications error, safety input terminal error,
or other minor error has occurred.
Power is not being supplied or a fatal fault has occurred.
Meaning
The safety input terminal is ON and there are no errors.
The safety input terminal is OFF or an error has occurred.
Meaning
An error has occurred in the safety input terminal.
An error has occurred in the safety input terminal for the
other channel of the dual channel I/O.
NX-series Safety Control Unit User's Manual (Z930)
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Table of Contents
Troubleshooting
