mPCIe-DIO-24A

Product Overview

24-Channel Digital I/O PCI Express Mini Card with Digital Integration Features

Features Include:

  • Special Digital Integration Features! Outputs with pulse/train / PWM / frequency / and Quadrature generation, Inputs with digital filtering and flexible measurement of pulse duration, frequency, and event counting, IRQ generation and more.
  • 24 high-current LVTTL DIO lines (24ma source/sink)
  • Change-of-State (COS) detection IRQ generation
  • All signals brought out to optional panel-mountable 37-pin male D-Sub connector
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Data Acquisition & Control mPCIe-DIO-24A Main Product Image
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The mPCIe-DIO-24A is a type F1 PCI Express Mini Card (mPCIe) and optional cable assembly (D-Sub 37-pin Male connector) designed to be easily panel-mounted in any application environment. It uses the high speed PCI Express bus to transfer digital data to and from the card. The digital I/O is compatible with 8255 PPI chips making it easy to program. This also allows for simple and trouble-free migration from other ACCES PCI and PCI Express digital I/O cards, but also provides for advanced features enabled by the onboard FPGA logic.

The card provides three 8-bit I/O ports designated A, B and C. Port C can be further divided into two 4-bit nybbles. Each port can be programmed as inputs or outputs. Change of State (COS) detection and interrupt capabilities are designed to relieve software from polling routines that can consume valuable processing time. Each port can be programmed for detecting state changes on their lines, in which any changes of the enabled port’s bits (low-to-high or high-to-low) will generate an IRQ. An ISR (interrupt service routine) then determines which bit changed state and clears the interrupt.

A special feature now available on ACCES’ PCI Express (PCIe) and PCI Express Mini Card (mPCIe) Digital I/O product lines is DigitalFeatures (read as “Digital Integration Features”). All these cards share features such as memory mapped registers for low-latency operation. Output channels support pulse/train / PWM / frequency / and quadrature generation. Inputs channels support flexible measurement of pulse duration, frequency, and event counting, with optional debouncing, IRQ generation, and more.

The mPCIe-DIO-24A is excellent for use in applications sensing inputs such as switch closures, TTL, LVTTL, CMOS logic and controlling external relays, driving indicator lights, and more. The mPCIe-DIO-24A can be used in the following: Process Monitoring, Manufacturing / Production Test, Machine Control, Monitoring and Control, Security Systems, Energy Management, Industrial Automation, Factory Automation, Laboratory Automation & Embedded OEM.

Key Features:

  • Special Digital Integration Features! Outputs with pulse/train / PWM / frequency / and Quadrature generation, Inputs with digital filtering and flexible measurement of pulse duration, frequency, and event counting, IRQ generation and more.
  • 24 high-current LVTTL DIO lines (24ma source/sink)
  • Change-of-State (COS) detection IRQ generation
  • All signals brought out to optional panel-mountable 37-pin male D-Sub connector
  • 10k ohm pull-up resistors
  • Four and eight bit ports independently software selectable for use as inputs or outputs
  • PCI Express Mini Card (mPCIe) Type F1, with latching I/O connectors

Data Sheets (PDF)

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mPCIe-DIO-24A Data Sheet

Technical Manuals (PDF)

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mPCIe-DIO-24A Technical Manual

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Software Reference Manual

Acces I/O programming utility software reference manual...

Part Numbers

Details

mPCIe-DIO-24A

Mini PCI-E 24 Digital I/O and Digital Integration Features

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