Index
DAQCard-1200 User Manual I-4 © National Instruments Corporation
digital I/O signal connections
illustration, 3-16
pins, 3-15
Port C pin connections, 3-17
timing specifications, 3-18to 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
E
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 to3-24
EXTTRIG signal
data acquisition timing, 3-22 to3-24
description (table), 3-3
maximum voltage input rating, 3-26
EXTUPDATE* signal
data acquisition timing, 3-25 to3-26
description (table), 3-3
maximum voltage input rating, 3-26
updating DAC output (figure), 3-26
F
floating signal sources
differential connections, 3-9to 3-10
purpose and use, 3-6
single-ended connections (RSE
configuration), 3-11to 3-12
frequency measurement
general-purpose timing signal
connections, 3-28
illustration, 3-29
G
GATB0 signal (table), 3-3
GATB1 signal (table), 3-3
GATB2 signal (table), 3-4
GATE signals
general-purpose timing signal
connections, 3-26 to3-30
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, 3-8to 3-9
purpose and use, 3-6to 3-7
recommended input configurations
(table), 3-7
single-ended connections (NRSE
configuration), 3-12to 3-13