ADLINK Technology NuDAQ ACL-8454, User Manual

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Introduction
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3
1.1 Features
The ACL-8454 Counter / Timer and Digital I/O Card provides the
following advanced features:
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Default 6 counters/timers are installed and it is expandable to 12
counters/timers at most
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Multi-configurations of counters / timers:
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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.
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8 digital output channels
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16 digital input channels shared with the same signal lines with
external gate control and external clock input
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Two interrupt sources
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The first interrupt source comes from output of counter #6 and this
signal is jumper selectable to one of 4 IRQ channels.
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The second interrupt source comes from either internal periodic or
external source. This signal is jumper selectable to one of 5 IRQ
channels.
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Synchronized 4 channels frequency measurement is possible.
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37-pin D-type female connector.
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AT-Bus and compact size (Half-size only)
1.2 Applications
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Event counter
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Frequency generator
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Frequency synthesizer
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Pulse width measurement
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Low level pulse generator
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Time delay
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Industry automation
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Watchdog timer
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Laboratory and Industrial automation