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CYDO 192H 192-Channel Digital Output Board
CYDO 192H 192-Channel Digital Output Board
CYDO 192H

ISA Digital Output Board - 192 Digital Outputs, High Current, Four 50-Pin Connectors

Qty   Price (with options selected)
Shipping: Call for Availability
 Features
System BusISA (8-bit, XT)
Number of I/O Lines192
 
Introduction

With our CYDO 192H high-current digital output-only boards you can economically control 192 digital I/O lines from a single slot in your PC. This high-current board uses discrete logic in place of the Intel® 8255 chip to porvide a glitch-free high current sink (64mA). It is ideal for applications such as switching solid-state relays, lighting LEDs, and numerous other higher-current tasks which are beyond the capabilities of simple circuits such as the 8255. (8255 chips can source or sink 2.5mA per I/O line--1 TTL load; plenty of power for activating other chips, but not enough for LEDs or relays).

Dedicated control applications are better served by the CYDO 192H. I/O boards with 8255s on them must be set up in software, and they always initialize in input (high-impedance) mode. Also, 8255-based boards are subject to being reset by transient voltages on the output lines, such as when controlling an electromechanical relay switching an inductive load. Because the CYDO 192H board is fixed in an output state at all times, no programming is required to initialize the output registers. The output registers hold the state of the 8 bits most recently written to that port. The board maintains compatibility with the 8255 in software.

  Detailed Specifications  More Detail
Product Information
System Bus ISA (8-bit, XT)
Digital I/O Lines
Number of I/O Lines 192
Primary Digital I/O Configuration 192 outputs (24 8-bit ports)
Detailed Specifications More Detail
 
Ordering - Includes Options Indicated Below
CYDO 192H
ISA Digital Output Board - 192 Digital Outputs, High Current, Four 50-Pin Connectors
$725.00

Terminal Panel Options
None  
CYERB 08-100S
Relay Panel - 8 SPDT (Form C) 5A or 10A Socketed Relays, with Two 50-Pin and Two 100-Pin Connectors
$195.00
Catalog # Shipping Price (with options) Qty  
CYDO 192H Call for Availability
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