Table of Contents
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Index
digital signals
Change Detection Event, 6-7
connecting, 6-8
DI Sample Clock, 6-3
DO Sample Clock, 6-4
digital source, triggering, 11-1
digital waveform
acquisition, 6-3
generation, 6-4
disk drive power (PCI Express), 1-5
disk drive power connector (PCI Express
devices), 1-5
DMA, 10-2
as a transfer method, 10-1
changing data transfer methods, 10-2,
10-3
controllers, 10-2
DO Sample Clock signal, 6-4
do/SampleClock, 6-4
double-buffered acquisition, 4-9
duplicate count prevention, 7-32
enabling in NI-DAQmx, 7-35
example, 7-33
prevention example, 7-34
troubleshooting, C-3
E
E Series
differences from M Series, D-4
migrating applications from, D-4
pinout comparison versus M Series, D-1
upgrading from, D-4
edge counting, 7-2
buffered, 7-3
on-demand, 7-2
sample clock, 7-3
single point, 7-2
edge-separation measurement
buffered two-signal, 7-18
single two-signal, 7-18
enabling duplicate count prevention in
NI-DAQmx, 7-35
encoders, quadrature, 7-15
I-6 | ni.com
encoding
X1, 7-15
X2, 7-15
X4, 7-15
equivalent time sampling, 7-23
example programs, E-1
exporting timing output signals using PFI
terminals, 8-2
external reference clock, 9-2
external source mode, 7-36
F
features, counter, 7-30
field wiring considerations, 4-21
filters
counter, 7-30
PFI, 8-4
PXI_STAR, 9-8
RTSI, 9-6
finite pulse train timing generation, 7-22
floating signal sources
connecting, 4-12
description, 4-12
using in differential mode, 4-13
using in NRSE mode, 4-16
using in RSE mode, 4-17
when to use in differential mode, 4-12
when to use in NRSE mode, 4-12
when to use in RSE mode, 4-13
FREQ OUT signal, 7-28
frequency
division, 7-23
generation, 7-22
generator, 7-22
measurement, 7-8
Frequency Output signal, 7-28
fuse replacement
USB-6221 Screw Terminal, A-8, A-10
USB-6225 Mass Termination, A-20
USB-6225 Screw Terminal, A-18
USB-6229 BNC, A-26
USB-6229 Screw Terminal, A-24, A-32
USB-6251 BNC, A-34
USB-6251 Mass Termination, A-36
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