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pin connections (figure)
68-pin digital connector (figure), B-2
analog I/O
PCI-4451/4452, 4-2
PCI-4453/4454, 4-5
DB-25 pinout for SHC68-DB25 cable
(figure), B-1
digital I/O, 4-8
polarity selection
analog input, 3-4 to 3-6
actual range and measurement
precision (table), 3-5
selection considerations, 3-5 to 3-6
analog output, 3-7 to 3-8
posttriggered data acquisition, 4-19
power connections
analog power connections, 4-16
digital power connections, 4-18
power requirement specifications,
A-11 to A-12
pretriggered data acquisition, 4-20
problem-solving and diagnostic resources,
online, C-1
programmable function inputs (PFIs). See
PFIs (programmable function inputs).
R
recalibration, traceable, 5-3
requirements for getting started, 1-2
RESERVED1 signal
digital I/O pin assignments (table), 4-9
digital I/O signal summary (table), 4-11
RTSI bus signal connection (figure), 3-12
RTSI clocks, 3-14
RTSI trigger lines
overview, 3-12
signal connection (figure), 3-12
© National Instruments Corporation
S
sample rate, and device configuration, 3-15
sample/update clock frequency, selecting,
3-14 to 3-15
signal connections
analog input, 4-12 to 4-13
digital I/O, 4-17
field wiring considerations, 4-28 to 4-29
I/O connectors, 4-1 to 4-11
68-pin digital connector pin
connections (figure), B-2
analog I/O pin assignments (table),
4-3, 4-6
analog I/O pin connections (figure),
4-2, 4-5
analog I/O signal summary (table),
4-4, 4-7
DB-25 pinout for SHC68-DB25
cable (figure), B-1
digital I/O pin assignments (table),
4-9 to 4-10
digital I/O pin connections (figure),
4-8
digital I/O signal summary (table),
4-11
exceeding maximum ratings
(warning), 4-1
power connections, 4-16
timing connections, 4-18 to 4-28
acquisition timing connections,
4-19 to 4-22
general-purpose timing signal
connections, 4-22 to 4-28
programmable function input
connections, 4-19
waveform generation timing
connections, 4-22
types of signal sources, 4-14
floating, 4-14
ground-referenced, 4-14
I-7
PCI-4451/4452/4453/4454 User Manual
Index
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