ADLINK PCI-7224 - Manual (Page 10)

2
• Introduction
1.1 Features
The 7248/96 series products provide the following advanced features:
1.1.1 Digital I/O Ports
•
24/48/96 TTL/DTL compatible with 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 reset-able fuses to protect power supply for external
devices
1.2 Applications
•
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 and control
system