Specifications

14 National Instruments
14-98
PXI-6508
The PXI-6508 is an I/O board with 96 digital input and output lines.
xPC Target supports this board with two driver blocks:
•“PXI-6508 Digital Input”
•“PXI-6508 Digital Output”
Board Characteristics
PXI-6508 Digital Input
The PXI-6508 has four 8255 chip with 3 ports (A,B,C). Each port has a
maximum of 8 digital I/O lines that can be configured as inputs or outputs.
Use a separate diver block for each port. By selecting the digital input driver
block, the port is configured as input.
Scaling of Input to Output
Board name PXI-6508
Manufacturer National Instruments
Bus type PXI (Compact PCI)
Access method I/O mapped
Multiple block instance support Yes
Multiple board support Yes
Hardware Input Block Output Data Type Scaling
TTL double TTL low = 0.0
TTL high = 1.0