Adlink ACL-8454/12 Manual do Utilizador descarregar pdf (Página 11)

Introduction  3

1.1 Features

The ACL-8454 Counter/Timer and digital I/O Card provides the following

advanced features:

 Default 6 counters/timers are installed and it is expandable to 12

counters/timers at most

 Multi-configurations of counters/timers:

 Flexible setting for each independent counter, the clock source

could be external, internal or cascaded. The gate signal is external

controlled or internal cascaded signal.

 8 digital output channels

 16 digital input channels shared with the same signal lines with

external gate control and external clock input

 Two interrupt sources

 The first interrupt source comes from output of counter #6 and this

signal is jumper selectable to one of 4 IRQ channels

 The second interrupt source comes from either internal periodic or

external source. This signal is jumper selectable to one of 5 IRQ

channels.

 Synchronized 4 channels frequency measurement is possible

 37-pin D-type female connector

 AT-Bus and compact size (Half-size only)

1.2 Applications

 Event counter

 Frequency generator

 Frequency synthesizer

 Pulse width measurement

 Low level pulse generator

 Time delay

 Industry automation

 Watchdog timer

 Laboratory and Industrial automation

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Adlink ACL-8454/12 Manual do Utilizador Página 11