National Instruments Corporation DAQCard-500 User Manual page 54

Index
D
DAQCard-500. See also theory of operation.
block diagram, 4-1
difference from DAQCard-700, B-1
features, 1-1
functional overview, 4-1 to 4-2
getting started, 1-2
optional equipment, 1-4
overview, 1-1
unpacking, 1-4
DAQCard-700, difference from
DAQCard-500, B-1
data acquisition counter and timing
connections, 3-7
data acquisition timing circuitry
data acquisition rates, 4-5
multichannel data acquisition, 4-5
single-channel data acquisition, 4-4
theory of operation, 4-4 to 4-5
DGND signal
description, 3-2
pin assignment, 3-1, C-2
digital I/O circuitry
block diagram, 4-6
theory of operation, 4-5 to 4-6
digital I/O configuration, 2-3
digital I/O signal connections, 3-5 to 3-6
example (illustration), 3-6
specifications and ratings, 3-5 to 3-6
digital I/O specifications, A-2
Digital Input Register, 4-5
Digital Output Register, 4-5
DIN<0..3> signal
description, 3-2
digital I/O circuitry, 4-5
pin assignments, 3-1, C-2
documentation
conventions used in manual, x
National Instruments
documentation, x-xi
organization of manual, ix
related documentation, xi
DOUT<0..3> signal
description, 3-2
digital I/O circuitry, 4-5
pin assignments, 3-1, C-2
dynamic characteristics, analog input, A-1
E
environment specifications, A-2
DAQCard-500 User Manual
equipment, optional, 1-4
event counting, 3-8
event-counting application
(illustration), 3-8
EXTCONV* signal
description, 3-2
pin assignment, 3-1, C-2
timing (illustration), 3-7
F
floating measurement system, 3-4
analog input connections
(illustration), 3-5
recommended input configurations
(table), 3-4
floating signal sources, 3-3
analog input connections
(illustration), 3-5
frequency measurement, 3-9
frequency measurement application
(illustration), 3-9
G
GATE signals
counter block diagram, 4-7
timing connections, 3-7 to 3-10
timing I/O circuitry block diagram, 4-7
timing requirements (illustration), 3-10
GATE2 signal
description, 3-2
pin assignment, 3-1, C-2
general-purpose counter and timing signal
connections, 3-7 to 3-10
ground-referenced measurement system, 3-4
analog input connections
(illustration), 3-5
recommended input configurations
(table), 3-4
ground-referenced signal sources, 3-3
analog input connections
(illustration), 3-5
I
I/O address window requirements, 2-1
I/O connector. See connectors.
input multiplexer, 4-3
installation. See also configuration.
Index-2 © National Instruments Corporation