User's Manual

NI cDAQ-9172 User Guide and Specifications 80 ni.com
Frequency Generator (Slots 5 and 6 Only)
Number of channels................................1
Base clocks .............................................10 MHz, 100 kHz
Divisors...................................................1 to 16 (integers)
Base clock accuracy................................50 ppm
Output is available on any PFI terminal.
External Digital Triggers (Slots 5 and 6 or with Some AI Modules)
Source .....................................................Any PFI terminal
Polarity....................................................Software-selectable for most
signals
Analog input function.............................Start Trigger, Reference Trigger,
Pause Trigger, Sample Clock,
Sample Clock Timebase
Analog output function...........................Start Trigger, Pause Trigger,
Sample Clock, Sample Clock
Timebase
Counter/timer functions..........................Gate, Source, HW_Arm, Aux,
A, B, Z, Up_Down
Module I/O States
At power-on............................................Module-dependent. Refer to the
documentation included with the
C Series I/O module(s).
With USB cable removed .......................Reverts to power-on state
Power Requirements
You must use a National Electric Code (NEC) Class 2 power source with
the NI cDAQ-9172 chassis.
Note Some I/O modules have additional power requirements. For more information about
C Series I/O module(s) power requirements, refer to documentation included with the
C Series I/O module(s).
Note Sleep mode for C Series I/O modules is not supported in the NI cDAQ-9172.