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Digital I/O

National Instruments provides a complete family of digital I/O products, with various timing, voltage and isolation options. Whether generating patterns to characterize a custom circuit, toggling control lines to automate a factory floor, or prototyping a digital design, NI digital I/O devices can meet the needs of your test, control, and design applications.

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Learn how to use the built-in counters and digital I/O on USB data acquisition devices.

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Learn about NI digital I/O for PCI Express and PXI Express

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Learn how to perform real-time bit error rate calculation with NI 655x devices

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Product Results (36 Devices/Modules)
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NI USB-6525
8 Solid-State Relays, 8 DI, Counter, Ch-to-Ch Isolated
$ 319
Digital I/O: 8 DI/8 DO
Counter/Timers: 1 · 32 bits · 5 kHz
Measurement Type: Digital
2
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PXI-6528 (48-Ch, 60 V)
Industrial Digital l/O - 24 Input, 24 Output, Channel-Channel Isolated
$ 719
Digital I/O: 24 DI/24 DO
Measurement Type: Digital
3
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NI PCI-6518 (16 Inputs, 16 Source Outputs)
Low-Cost 37-Pin Industrial Digital I/O -- 30 V, Bank-Isolated
$ 319
Digital I/O: 16 DI/16 DO
Measurement Type: Digital
4
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NI PXI-7813R
R Series Digital RIO with Virtex-II 3M Gate FPGA
$ 2,649
Digital I/O: 160 DIO · 40 MHz
Counter/Timers: 160 · 64 bits · 40 MHz
Measurement Type: Digital, Filters, Frequency, Quadrature encoder
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NI USB-6509
High-Density Industrial Digital I/O for USB (96 Ch, 24 mA)
$ 449
Digital I/O: 96 DIO
Measurement Type: Digital
6
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NI PXI-6529
Industrial Digital I/O - 48 Inputs, Channel-Channel Isolated
$ 719
Digital I/O: 48 DI
Measurement Type: Digital
7
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NI PCI-7811R
R Series Digital RIO with Virtex-II 1M Gate FPGA
$ 1,549
Digital I/O: 160 DIO · 40 MHz
Counter/Timers: 160 · 64 bits · 40 MHz
Measurement Type: Digital
8
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NI PCI-7813R
R Series Digital RIO with Virtex-II 3M Gate FPGA
$ 2,449
Digital I/O: 160 DIO · 40 MHz
Counter/Timers: 160 · 64 bits · 40 MHz
Measurement Type: Digital
9
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NI PXI-7811R
R Series Digital RIO with Virtex-II 1M Gate FPGA
$ 1,649
Digital I/O: 160 DIO · 40 MHz
Counter/Timers: 160 · 64 bits · 40 MHz
Measurement Type: Digital, Filters, Frequency, Quadrature encoder
10
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Digital I/O: 24 DIO
Counter/Timers: 1 · 32 bits · 5 MHz
Measurement Type: Digital
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