National Instruments Data Acquisition Device NI USB-621x User Manual page 181

methods, data transfer, 11-1
minimizing
glitches on the output signal, 5-2
output signal glitches, B-3
voltage step between adjacent
channels, 4-7
mounting
DIN rail, 1-4
panel, 1-5
multichannel scanning considerations, 4-5
MUX, 4-1
N
National Instruments support and
services, C-1
.NET languages documentation, xvii
NI-DAQmx
default counter terminals, 8-30
documentation, xiv
device documentation browser, xvii
enabling duplicate count prevention, 8-37
NI-DAQmx Base documentation, xiv
NI-PGIA, 4-1
non-referenced single-ended connections
using with floating signal sources, 4-30
using with ground-referenced signal
sources, 4-34
when to use with floating signal
sources, 4-26
when to use with ground-referenced
signal sources, 4-32
NRSE connections
using with floating signal sources, 4-30
using with ground-referenced signal
sources, 4-34
when to use with floating signal
sources, 4-26
when to use with ground-referenced
signal sources, 4-32
© National Instruments Corporation
O
on-demand
acquisitions, 4-8
edge counting, 8-2
timing, 4-8
order of channels for scanning, 4-6
other software, 1-1
output signal
glitches, B-3
minimizing glitches, 5-2
overview, 2-1
P
panel mounting, 1-5
pause trigger, 8-31
period measurement, 8-6
buffered, 8-7
single, 8-6
PFI, 7-1
connecting input signals, 7-4
exporting timing output signals using PFI
terminals, 7-3
filters, 7-4
I/O protection, 7-6
programmable power-up states, 7-6
terminals as static digital I/Os, 7-3
using terminals as static digital I/Os, 7-3
using terminals as timing input
signals, 7-2
pin assignments. See pinouts
pinouts
counter default, 8-30
device, 1-1
USB-6210, A-2
USB-6211, A-4
USB-6212, A-6, A-8
USB-6215, A-4
USB-6216, A-6, A-8
USB-6218, A-13
I-7
Index
NI USB-621x User Manual