Signal Name Signal Description
AO+ Positive analog output signal
AO- Negative analog output signal
GND Chassis ground
Table 2. LEDs
LED Description
ACC Access—Indicates the basic hardware status of
the analog output module.
OFF—The module is not yet functional, or has
detected a problem with a PXI power rail.
AMBER—The module is being accessed. The
Access LED flashes amber for 75 ms when the
module is accessed.
GREEN—The module is ready to be
programmed.
ACTIVE OFF—Module is not acquiring or preparing to
acquire data.
AMBER—Module is waiting for a trigger event to
start an acquisition.
GREEN—An acquisition has been triggered, and
the module is currently acquiring data.
AMBER/GREEN (alternating)—The module is
changing reference clock timebase.
RED (solid)—An error has been detected by
hardware. Use NI-DAQmx soware to determine
the cause and/or clear the error by resetting the
module.
© National Instruments
11
PXIe-4466/4467/4468 Getting Started Guide
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