Features
- 12 counters/timers
- 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)
- Programmable Counter/Timer
- Device: 8254 x 4
- Counters: 16-bit down counter
- Clock source: internal clock, external source or cascaded
- Gate control: default enable or external control
- Digital I/O (DIO)
- Input channels: 16 channels
- Output channels: 8 channels (dedicated output)
- Electrics characteristics: TTL compatible signal
- General Specifications
- I/O Base Address: 8 consecutive address space
- Interrupt IRQ: IRQ 3, ..., IRQ 15 (9 levels jumper selectable)
- Connector: 37-pin D-type female connector
- Operating Temperature: 0° C ~ 60° C
- Storage Temperature: -20° C ~ 80° C
- Humidity: 5 ~ 95%, non-condensing
- Power Consumption: +5 V @ 210 mA maximum
- Dimension: 163 mm (L) x 108 mm (W)
- ACL-8454/12 - 8-CH 16-Bit Counters, 2-Ch 32-Bit timer & Digital I/O Card
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