National Instruments PCI-6251 User Manual page 293

Index
PXI-6220, A-2
PXI-6221, A-4
PXI-6224, A-13
PXI-6225, A-15
PXI-6229, A-21
PXI-6250, A-27
PXI-6251, A-29
PXI-6254, A-37
PXI-6255, A-39
PXI-6259, A-45
PXI-6280, A-53
PXI-6281, A-55
PXI-6284, A-61
PXIe-6251, A-29
PXIe-6259, A-45
Q
quadrature encoders, 7-15
R
range, analog input, 4-2
real-time system integration bus, 9-4
reciprocal frequency measurement, 7-10
reference
clock
10 MHz, 9-2
external, 9-2
trigger, analog input internal
timing, B-13
referenced single-ended connections
using with floating signal sources, 4-17
when to use with floating signal
sources, 4-13
when to use with ground-referenced
signal sources, 4-19
retriggerable single pulse generation, 7-20
routing
analog comparison event to an output
terminal, 11-3
clock, 9-1
digital, 9-1
RSE configuration, 4-17
I-12 | ni.com
RSE connections
using with floating signal sources, 4-17
when to use with floating signal
sources, 4-13
when to use with ground-referenced
signal sources, 4-19
RTSI, 9-4
connector pinout, 3-7, 9-4
filters, 9-6
using as outputs, 9-5
using terminals as timing input
signals, 9-6
S
safety guidelines
for hazardous voltages, 1-2
sample clock
analog input internal timing, B-15
edge counting, 7-3
sample clock measurement, 7-17
scanning speed, 4-8
SCC, 2-11
SCXI, 2-10
self-calibration, 1-4
semi-period measurement, 7-7
buffered, 7-7
single, 7-7
sensors, 2-10
settings
analog input ground-reference, 4-4
AO offset, 5-2
AO reference selection, 5-2
short high-quality cabling, 4-7
signal conditioning, 2-10
options, 2-10
signal descriptions, 3-1
signal label
USB screw terminal devices, 1-6
signal routing, RTSI bus, 9-4
signal sources
floating, 4-12
ground-referenced, 4-17
Signal Stream, USB, 10-2