ADLINK ACL-8454/12 - Manual (Page 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