DAQ VXI-SC-1102 Manual de instrucciones Pagina 27

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Chapter 1 MIO and AI Devices
DAQ Hardware Overview Guide 1-10 www.ni.com
E Series Counter/Timer Operation
The E Series devices use the National Instruments DAQ-STC
counter/timer chip. The DAQ-STC has two 24-bit counter/timers that are
always available for general-purpose counter/timer applications. Refer to
the
GPCTR functions in the NI-DAQ Function Reference Online Help for
more information.
E Series Programmable Frequency Output Operation
The E Series devices have one I/O connector pin (FREQ_OUT) capable of
outputting a programmable frequency signal. This signal is a divided-down
version of the selected timebase. Available timebases for this operation
are 10 MHz and 100 kHz, and you can divide them by numbers 1
through 16.
E Series PFI Pins
You can route internal device signals to and from the I/O connector
programmatically by using the PFI pins on the E Series devices. Refer to
your E Series device user manual for a complete discussion of PFI pins.
See the
Select_Signal function description in the NI-DAQ Function
Reference Online Help for programming information on routing.
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