Hardware reference
HARDWARE REFERENCE MANUAL
152
Revision 5.0
TS
SmartSlice I/O
system com-
munication
status
N/A
Not Lit
•
No power supply
•
Communication with SmartSlice I/
O Unit has not started
•
Overcurrent detected
Green
Flashing
(every
second)
SmartSlice I/O Unit added to the sys-
tem
Flashing
(every 0.5
second)
Backup/Restore function operating:
•
Restoring settings to SmartSlice I/
O Unit, backup function operating
•
Downloading SmartSlice I/O Unit
settings
Lit
Communication with SmartSlice I/O
Unit established
Red
Flashing
Non-fatal communication error
occurred.
•
Communication timeout
•
Verification error occurred with
registered table
•
Different model unit detected after
SmartSlice I/O Unit replacement
Lit
Fatal communication error occurred.
Lit for 2 s
Failure occurred while restoring set-
tings to I/O unit or downloading I/O unit
settings
UNIT
PWR
Green
Not Lit
No power supply to the unit
(All LEDs are off)
Lit
Power supply to the unit
I/O PWR
Green
Not Lit
No power supply to the SmartSlice I/O
(No output from the SmartSlice I/O
Units, even when they are in operation)
Lit
Power supply to the SmartSlice I/O
LED
Description
Color
Status
Meaning