Omron GRT1-PNT - DATASHEET 2 Operation Manual page 30

GRT1-PNT Unit components
Status indicator
specification
Indicator Colour
RUN Green
Unit status
ERR Red
Unit error
BF Red
PROFINET IO
failure
TS ---
SmartSlice I/O
system
communication
Green
status
Red
UNIT PWR Green
I/O PWR Green
18
/i
Status Meaning
Not lit • Start-up test failed, unit not operational.
• Fatal error: Operation stopped.
Lit Initialization successful, unit is in normal operation.
Not lit Unit is in normal operation.
Flashing A start-up error has occurred.
Lit Fatal error in system execution.
Not lit • No PROFINET IO communication errors occurred.
• I/O data exchange in progress.
Flashing The configuration settings sent by the PROFINET IO Controller unit are
invalid. No I/O data exchange is possible.
Lit No PROFINET IO communication has been detected by the unit.
Not lit • No power supplied.
• Communication has not started with SmartSlice I/O Unit.
• Over current detected.
Flashing once SmartSlice I/O Unit added to the system
per second
Flashing twice Backup/Restore function operating:
per second • Restoring settings to SmartSlice I/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 time out.
• Verification error occurred with registered table.
• Different model Unit detected after SmartSlice I/O Unit replacement.
Lit for 2 Failure occurred while restoring settings to SmartSlice I/O Unit or
seconds downloading SmartSlice I/O Unit settings.
Lit Fatal communication error occurred.
Not lit Power supply to the Unit is not present (All other LED indicators are also
OFF).
Lit Power supply to the Unit is present.
Not lit Power supply to the SmartSlice I/O Unit is not present. The SmartSlice I/O
Units may be operative, but no output is available.
Lit Power supply to the SmartSlice I/O Unit is present.
RUN RUN UNIT PWR UNIT PWR
ERR ERR
BF BF
TS TS I/O PWR I/O PWR
Figure 2.1.4: GRT1-PNT LED indicators
Section 2-1