PCI Express Digital I/O Cards with Counters and COS Detection

ACCES I/O Official Distributor
ACCES I/O Official Distributor
Model No:
PCIe-DIO-24D/DC/DS/DCS
Highlights:
  • Brand: Acces IO
  • Size: 168mm (L) x 107mm (H)
QTY:
Overview

This product is a x1 lane PCIe DIO board available in four models ranging from basic DIO to advanced COS detection and Counter/Timer capabilities. The card emulates an 8255 compatible chip, providing 24 DIO lines. The DIO lines are grouped into three 8-bit ports: A, B, and C. Each 8-bit port is configured via software to function as either inputs or outputs. Port C can be further broken into two 4-bit nybbles via software and configured as either inputs or outputs. Each DIO line is buffered and capable of up to 32mA source/sink. The VCCIO logic level is globally configured via jumper selection as 5V, 3.3V, 2.5V or 1.8V. Also, ports A, B, C low nybble, and C high nybble are individually software selected as pull-up or pull-down through 10kΩ resistor networks. The last configured pull-up/down state is stored in on-board non-volatile memory and automatically applied at the next power up. The board is shipped factory default as pulled-up. I/O wiring connections for this board are via a male 37-pin D-sub connector. A ribbon cable can be used to connect this card to termination panels.

Main Features

24 high-current DIO lines Three optional 82C54 Counter / Timers IRQ generation from Port C bit 3, and Counter A2 ("C" models) and/or Change-of-State (COS) Detection ("S" models) DIO lines buffered Four and eight bit ports independently selectable for inputs or outputs Software selectable 10k ohm Pull-up/Pulldown resistors on DIO lines Jumper selectable VCCIO (5V, 3.3V, 2.5V,1.8V) VCCIO voltage available to the user via 0.5A resettable fuse

Ordering Info
  • PCIe-DIO-24D
  • PCIe-DIO-24DC
  • PCIe-DIO-24DS
  • PCIe-DIO-24DCS
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