The PCI-1751 is a 48-bit digital I/O card based
on a PCI bus. Its 48 bits are divided into six 8-bit I/O ports and users can
configure each port as input or output via software. The PCI-1751 also provides
one event counter and two 16-bit timers, which can be cascaded to become a
32-bit timer.
Main Features
- 48 TTL digital I/O lines
- Emulates mode 0 of 8255 PPI
- Buffered circuits for higher driving
capacity than 8255
- Interrupt handling
- Timer/Counter interrupt capability
- Supports both dry and wet contact
- Keeps the I/O port setting and DO state
after system reset
Product Data Sheet
- I/O Channels 48 digital I/O lines
- Programming Mode 8255 PPI mode 0
Digital Output
- Logic Level 0 0.4 V max. @ 24 mA (sink)
- Logic Level 1 2.4 V min. @ 15 mA (source)
Digital Input
- Logic Level 0 0 ~ 0.8 V
- Logic Level 1 2 ~ 5.25 V
Programmable timer/counter
- Frequency Range 0 ~ 10 MHz
- Counters Two 16-bit counters or one 32-bit
counter One 16-bit event counter
General
- Power Consumption 5 V @ 850 mA (typical) 5
V @ 1.0 A (max.)
- Operating Temperature 0 ~ 70° C (32 ~ 158°
F)
- Storage Temperature -20 ~ 80° C (-4 ~ 176°
F)
- Operating Humidity 5 ~ 95% RH
non-condensing (refer to IEC 68-2-3)
- Connectors 68-pin SCSI-II female connector
(Centronics type)
- Dimensions (L x H) 175 x 100 (6.9" x 3.9")
