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National Instruments Corporation
B-1
B
LED Indicators
This appendix describes how to interpret the status of the PCI-7041 by
reading the LEDs.
Interface Status and Access LEDs
POWER (PWR)
When lit, the
POWER
LED indicates that the power is on and the
PCI-7041 is out of reset.
Drive (HDD)
The
HDD
LED indicates when an access to the CompactFlash is occurring.
Watchdog (WD)
When lit, the
Watchdog
LED indicates something has caused the software
to stop running.
Note
For this monitoring to occur, you must include the Watchdog VIs in your
LabVIEW code.
CPU Temperature Monitor (TMP)
When lit, the
CPU Temperature Monitor
LED indicates the temperature
has exceeded the CPU’s rated operating temperature range and the
PCI-7041 has been reset.
USER 1 (1)
The
USER 1
LED is user programmable via LabVIEW. Refer to the
LabVIEW RT User Manual
for more information.
USER 2 (2)
The
USER 2
LED is user programmable via LabVIEW. Refer to the
LabVIEW RT User Manual
for more information.