National Instruments DAQCard-1200 User Manual

Page 97

Index

DAQCard-1200 User Manual

I-4

digital I/O signal connections

illustration, 3-16
pins, 3-15
Port C pin connections, 3-17
timing specifications, 3-18 to 3-21

mode 1 input timing, 3-19
mode 1 output timing, 3-20
mode 2 bidirectional

timing, 3-20 to 3-21

documentation

conventions used in manual, x
National Instruments documentation, xi
organization of manual, ix-x
related documentation, xii

dynamic characteristics

analog input specifications, A-3
analog output specifications, A-5

EEPROM storage of calibration data, 5-1
environment specifications, A-8
equipment, optional, 1-5
event-counting application, 3-27

with external switch gating (figure), 3-27

EXTCONV* signal

description (table), 3-3
interval scanning data acquisition, 3-24
maximum voltage input rating, 3-26
timing connections, 3-22 to 3-24

EXTTRIG signal

data acquisition timing, 3-22 to 3-24
description (table), 3-3
maximum voltage input rating, 3-26

EXTUPDATE* signal

data acquisition timing, 3-25 to 3-26
description (table), 3-3
maximum voltage input rating, 3-26
updating DAC output (figure), 3-26

floating signal sources

differential connections, 3-9 to 3-10
purpose and use, 3-6
single-ended connections (RSE

configuration), 3-11 to 3-12

frequency measurement

general-purpose timing signal

connections, 3-28

illustration, 3-29

GATB0 signal (table), 3-3
GATB1 signal (table), 3-3
GATB2 signal (table), 3-4
GATE signals

general-purpose timing signal

connections, 3-26 to 3-30

timing requirements signals (figure), 3-30

general-purpose timing signal connections.

See also data acquisition timing
connections.

event-counting, 3-27
frequency measurement, 3-28
GATE, CLK, and OUT signals,

3-26 to 3-30

pins, 3-22
pulse generation, 3-27
pulsewidth measurement, 3-28
square wave generation, 3-27
time-lapse measurement, 3-28
timing requirements for GATE, CLK, and

OUT signals (figure), 3-30

ground-referenced signal sources

differential connections, 3-8 to 3-9
purpose and use, 3-6 to 3-7
recommended input configurations

(table), 3-7

single-ended connections (NRSE

configuration), 3-12 to 3-13