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3 Part Names and Functions
NX-series Digital I/O Unit User’s Manual (W521)
3-
2 Ind
icat
ors
3
3-
2-1 T
S
Indicator
The meanings of light statuses are described as follows:
3-2-1
TS Indicator
Color
Status
Description
Green
Lit
The Unit is operating normally.
The Unit is ready for I/O refreshing.
Flashing at 2-s
intervals.
• Initializing
• Restarting is in progress for the Unit.
• Downloading
Red
Lit
A hardware failure, WDT error, or other fatal error that is common to
all I/O Units occurred.
Flashing at 1-s
intervals.
A communications error or other NX bus-related error that is common
to all I/O Units occurred.
Not lit
• No Unit power supply
• Restarting is in progress for the Slave Terminal.
• Waiting for initialization to start
This indicator shows the current status of the Digital I/O Unit and
its communications status with the Communications Coupler Unit.
Содержание NX-IA3117
Страница 34: ...Sections in this Manual 32 NX series Digital I O Unit User s Manual W521...
Страница 52: ...1 Features and System Configuration 1 18 NX series Digital I O Unit User s Manual W521...
Страница 56: ...2 Specifications 2 4 NX series Digital I O Unit User s Manual W521...
Страница 152: ...5 I O Refreshing 5 36 NX series Digital I O Unit User s Manual W521...
Страница 204: ...8 Digital Mixed I O Units 8 8 NX series Digital I O Unit User s Manual W521...
Страница 224: ...9 Troubleshooting 9 20 NX series Digital I O Unit User s Manual W521...
Страница 230: ...10 Inspection and Maintenance 10 6 NX series Digital I O Unit User s Manual W521...
Страница 290: ...Appendices A 60 NX series Digital I O Unit User s Manual W521 Installation Height 100 71 Unit mm...
Страница 337: ...I 1 I NX series Digital I O Unit User s Manual W521 Index...
Страница 340: ...I 4 NX series Digital I O Unit User s Manual W521 Index...