PCIDIO 24H/48H/96H are equipped with 1,2, and 4 50-pin male ribbon connectors respectively.

1.1Features

The 24H/48H/96H series products provide the following advanced features:

1.1.1 Digital I/O Ports

24/ 48/96 TTL/DTL compatible digital I/O lines

Emulates industry standard mode 0 of 8255 PPI

Buffered circuits for higher driving

Direct interface with OPTO-22 compatible I/O module

Output status read-back

1.1.2 Timer/Counter and Interrupt System

A 32 bits timer to generate watchdog timer interrupt

A 16 bits event counter to generate event interrupt

Programmable interrupt source

Dual interrupt system

1.1.3 Miscellaneous

Provide 12V and 5V power supply on OPTO-22 connectors

On board resettable fuses to protect power supply for external devices

1.2Applications

Programmable mixed digital input & output

Industrial monitoring and control

Digital I/O control

Contact closure, switch/keyboard monitoring

Connects with OPTO-22 compatible modules

• Useful with A/D and D/A to implement a data acquisition & control system

2 Introduction