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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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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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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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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 µsec 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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