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National Instruments NI 6238 User Manual

Page 169

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Index

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

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