 
- 144 DIO High density on ACL-7122
- 48 DIO with timer on PET-48DIO
- 24 DIO on ACL-7124 for low cost
- TTL/DTL compatible digital I/O channels
- Direct interface with OPTO-22 compatible I/O modules Emulates industry standard 8255 PPI (mode 0)
- Buffered circuits for high drive capacity
- Output status readback
- Programmable interrupt handling
- PC/AT bus with 11 IRQ levels
- Compact size, SMT components
제품사양
Digital I/O
- I/O channels:
- ACL-7122: 144 DIO channels
- PET-48DIO: 48 DIO channels
- ACL-7124: 24 DIO channels
- I/O characteristics: TTL/DTL Compatible
- Data transfer: Programmed I/O, Interrupt
Programmable Event Counter (PET-48DIO only)
- Counter Chip: 85C53 or equivalent
- Counter frequency: DC to 2MHz
- Counter range" 16 bit down counter
- Trigger edge" Rising or falling edge, programmable
Programmable Timer Pacer (PET-48DIO only)
- Timer clock: on board 32.768 kHz or 2 MHz
- Frequency divider: Programmable
- Timer resolution: 32 bits (two 16 bit counters cascaded)
Interrupt Control
- Available IRQ levels: (jumper selectable)
- ACL-7122:11 IRQ levels 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15
- PET-48DIO: 9 IRQ levels 3, 4, 5, 7, 9, 10, 11, 12, 15
- ACL-7124: IRQ 2, 3, 4, 5, 6, 7
- IRQ sources: (Programmable)
- ACL-7122: DIO Port C0, C3, C4
- PET-48DIO: DIO Port C3, C7 or timer
- ACL-7124: DIO Port C0, C4
General Specifications
- Operating temperature: 0줩 ~ 55줩C
- Storage temperature: -20줩 ~ 80줩C
- Humidity:5% ~95% non-condensing
- Power consumption (without external devices):
ACL-7122
- 1.40 A @ 5VDC (Typical)
- 1.80 A @ 5VDC (Maximum)
PET-48DIO
- 720mA @ 5VDC (Typical)
- 860mA @ 5VDC (Maximum)
ACL-7124
- 380mA @ 5VDC (Typical)
- 450mA @ 5VDC (Maximum)
- Transfer rate: 500 K bytes/sec
- PCB size:
- ACL-7122: 183 mm x 119 mm
- PET-48DIO: 170 mm x 121 mm
- ACL-7124: 108 mm x 107 mm
- I/O connector: 50-pin male ribbon connector
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