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Digital I/O Boards

For applications that involve a high number of digital I/O lines, UEI offers three models in the PDXI-DIO digital data acquisition family with 64 lines. Instead of following the industry trend of implementing discrete I/O with cumbersome and limiting 8255-type devices, we work with 16-bit line drivers under control of a DSP and custom logic.

Besides digital I/O, the board features three 24-bit counter/timers as well as two high-speed ESSI (Enhanced Synchronous Serial Interface) ports. The onboard DSP and optimized cPCI-bus interface also allow the card to optionally stream digital data to or from disk at rates as high as 2 Mbytes/s and count events up to 16.5 MHz.

Distribution panels make all the board's I/O capabilities available for field connection. Further, an optional accessory (PDXI-DIO-CONN64-4) distributes 64 of the digital I/O points into four sets of 16 lines through industry-standard 50-pin IDC connectors. They, in turn, attach directly to relay panels available from UEI and many other sources.

If you have any questions please call us at: (508)-921-4600 or email us at: info@ueidaq.com

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  1. PDXI-DIO-64

    PDXI-DIO-64

    64 channel PXI digital I/O board

    • Available for CompactPCI/PXI
    • 64 lines (5 V/TTL) of I/O in 16-bit ports
    • Generate interrupts on any line
    • Four separate high-speed IRQ lines (100 ns)
    • Two ESSI ports for high-speed devices such as codecs
    • User-defined power-up state in 16-bit groups (High, Low, Tri-stated)
    • Three 24-bit counters/timers
    • Onboard 16-bit FIFO: 2k samples
    • PowerDAQ Software for Windows NT/2000/XP and Linux/RTLinux

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  2. PDXI-DIO-64ST

    PDXI-DIO-64ST

    64 channel PXI digital I/O board w/pattern generation and streaming

    • Available for CompactPCI/PXI
    • 64 lines (5 V/TTL) of I/O in 16-bit ports
    • Generate interrupts on any line
    • Four separate high-speed IRQ lines (100 ns)
    • Two ESSI ports for high-speed devices such as codecs
    • User-defined power-up state in 16-bit groups (High, Low, Tri-stated)
    • Three 24-bit counters/timers
    • Onboard 16-bit FIFO: 2k samples
    • High-speed pattern generation and digital streaming (2 MS/s to and from disk)
    • PowerDAQ Software for Windows NT/2000/XP and Linux/RTLinux

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  3. PDXI-DIO-64TS

    PDXI-DIO-64TS

    64 channel PXI digital I/O board with time sequencing

    • 64 lines (5V/TTL) of I/O in 16-bit ports
    • Generates a continuous series of pulses or digital words varying from 1 ┬Ásec to 16 776 sec in 20-nsec increments
    • Regenerate and Buffered modes available
    • Generate interrupts on any line
    • Four separate high-speed IRQ lines (100 nsec)
    • User-defined power-up state in 16-bit groups (High, Low, Tri-stated)
    • Two Enhanced Synchronous Serial Interfaces (ESSI ports) for high-speed devices such as codecs
    • Three clock/interrupt lines, three 24-bit counter/timers
    • Onboard 16-bit FIFO: 2k samples

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About UEI

For more than 15 years, UEI has made continuous efforts in the development of high performance, PC-based, data acquisition (DAQ) products, and support. Continuing to develop and manufacture new and uniquely powerful and configurable hardware is what makes UEI the right choice for data acquisition and control in multiple industries.
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