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NI 6238/6239 User Manual I-6 ni.com
using quadrature encoders, 7-16
using two pulse encoders, 7-18
measuring
high frequency with two counters, 7-12
large range of frequencies using two
counters, 7-13
low frequency with one counter, 7-10
averaged, 7-11
methods, data transfer, 11-3
minimizing output signal glitches
(troubleshooting), B-2
multichannel scanning considerations, 4-8
multiple device synchronization, 10-3
N
National Instruments support and
services, C-1
NI 6238
accessory options, A-3
cabling options, A-3
information, A-1
pinout, A-1
specifications, A-3
NI 6239
accessory options, A-6
cabling options, A-6
information, A-1
pinout, A-4
specifications, A-6
NI support and services, C-1
NI-DAQ documentation, xiv
device documentation browser, xvii
NI-DAQmx Base documentation, xv
NI-DAQmx for Linux documentation, xv
NI-DAQmx, enabling duplicate count
prevention, 7-38
non-buffered hardware-timed
acquisitions, 4-11
generations, 5-3
non-cumulative buffered edge counting, 7-5
O
other internal source mode, 7-39
other software, 1-1
output signals, glitches (troubleshooting), B-2
outputs, using RTSI as, 10-5
overview, 2-1
P
pause trigger, 7-32
period measurement, 7-7
buffered, 7-8
single, 7-8
PFI, 8-1
connecting input signals, 8-3
exporting timing output signals using PFI
terminals, 8-3
filters, 8-4
using terminals as static digital I/Os, 8-3
using terminals as timing input
signals, 8-2
pin assignments. See pinouts
pinouts, 1-1
device, 1-1
NI 6238, A-1
NI 6239, A-4
RTSI connector, 3-3, 10-4
position measurement, 7-16
power-up states, 6-1, 8-6
prescaling, 7-34
programmable function interface, 8-1
programmable power-up states, 6-1, 8-6
programmed I/O, 11-4
programming devices in software, 2-5
programming examples (NI resources), C-1
pulse
encoders, measurements using two, 7-18
generation for ETS, 7-25
train generation, 7-23
continuous, 7-23