Adlink PCI-7224 Manual do Utilizador descarregar pdf (Página 10)

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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

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Adlink PCI-7224 Manual do Utilizador Página 10