Omron TJ2-MC64 Hardware Reference Manual page 121

Hardware reference
LED Description Color
TS SmartSlice I/O N/A
system com-
munication
status
Green
Red
UNIT Green
PWR
I/O PWR Green
HARDWARE REFERENCE MANUAL
Status Meaning
Not Lit • No power supply
• Communication with SmartSlice I/
O Unit has not started
• Overcurrent detected
Flashing SmartSlice I/O Unit added to the sys-
(every tem
second)
Flashing Backup/Restore function operating:
(every 0.5 • Restoring settings to SmartSlice I/
second) O Unit, backup function operating
• Downloading SmartSlice I/O Unit
settings
Lit Communication with SmartSlice I/O
Unit established
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
Not Lit No power supply to the unit
(All LEDs are off)
Lit Power supply to the unit
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
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