24 Channel Digital I/O and Counter Timer Board

CIO-DIO24/CTR3

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Three 16-Bit Counters
24 Lines of Digital I/O
10 MHz Oscillator On-Board
Internal Jumpers for Counter Chaining

Description

The CIO-DIO24/CTR3 combines digital input/output and counters on one board. It has the digital lines common to the PIO-12, PIO-24 and CIO-DIO24 boards, and is also connector compatible with them. In addition, three 16-bit counters allow frequency measurement or event counting, such as monitoring the number of times a door opens or items passing on a conveyor belt. The CIO-DIO24/CTR3 is very easy to program from any language that supports writing to and reading from I/O ports. Two chips control the board functions. An 8255 chip contains the 24 lines of digital I/O and an 8254 chip contains the 3 16-bit counters. The connector carries 24 digital I/O lines plus the counter inputs and outputs. The 8255 digital I/O chip has 24 I/O lines. The chip is configured as three ports. Two ports, A and B, are 8-bits wide. Port C may be an 8-bit port or two 4-bit ports. Individual ports may be configured as input or output, and are written to or read from as a unit. Counter inputs, gates and outputs may be controlled or chained at the connector, or inboard on a counter chaining jumper.

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Part Number/ Desc.

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Description

CIO-DIO24/CTR3

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Digital I/O and counter board

CIO-TERMINAL

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16" x 4" screw terminal board with prototype area, requires C50FF-2 cable

CIO-MINI37

£125.96

Availability: 2 weeks

4" x 4" screw terminal board, requires C50FF-2 cable

C37FF-2

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Connection cable, 2 ft

UNIV-DRVR

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Universal Driver Library for DOS and Windows

CIO-LABVIEW-DRVR

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LabVIEW Driver

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