DG 3P/8C I/O Card

DG 3P/8C I/O Card

Providing TTL I/O for ISA bus PCs

The DG 3P/8C card is an ISA bus (PC compatible) I/O expansion card which provides 72 TTL inputs or outputs and 8 channels of counters. The TTL I/O is provided by three 8255 chips which each rpovide three fully configurable eight bit ports. The pinout of the parallel connectors is pin compatible with Hitachi EM series PLCs (PHM-TT cards) which means the 3P/8C card can be used in a PC controlling or monitoring a PLC. The same pin out is used for the parallel I/O on our DG 440 Controller card. 3P/8C I/O card

Features:

72 bits of TTL I/O
ISA bus standard
LED display of 24 output bits
8 counter channels - combined into three channels - 2 with prescalers

Typical Applications

Interfacing a PC to test equipment or PLCs
Robotics

Please note: We do not keep these cards as a stock item. They are shown here by way of example of what we have and can produce, but if a sufficient quantity is required we can do a production run.
TTL-MUX Card
DG440 Controller Card