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cPCI-7248 and cPCI-7249R are 48-channel parallel digital input/output (DIO) modules for PXI/Compact PCI form factor.

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  • 48-CH Opto-22 Compatible Digital I/O Module
  • On board 8254 timer/counter chip
  • 48-CH digital TTL/DTL input/output
  • Emulates 4/2/1 industry standard 8255 PPI (mode 0)
  • Direct interface with OPTO-22 compatible I/O modules Output port status read back
  • Provides 12V and 5V power supply to OPTO-22 connectors
  • Programmable interrupt source


cPCI-7248 and cPCI-7249R are 48-channel parallel digital input/output (DIO) modules for PXI/Compact PCI form factor. The cPCI-7248 and cPCI-7249R devices emulate mode 0 of the industry standard 8255 Programmable Peripheral Interface (PPI) chips. Each PPI offers three 8-bit ports, Port A, Port B and Port C. The Port C is divided into 2 nibble-wide (4-bit) ports.

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