National Instruments NI 6509 用户手册

The NI 6509 is a 96-bit, high-drive digital input/output (I/O) device 
for PCI, PXI, and CompactPCI chassis. The NI 6509 features 
96 TTL/CMOS-compatible digital I/O lines, 24 mA high-drive output, 
a watchdog timer, digital filtering, and programmable power-up states.

Functional Overview............................................................................... 4
Safety Information .................................................................................. 4
Related Documentation........................................................................... 6
Features ................................................................................................... 7

Programmable Power-Up States ...................................................... 8
Change Detection............................................................................. 9

SH100-100-F Connector........................................................... 11
R1005050 Connector ................................................................ 13

Signal Connections .......................................................................... 15
Protecting Inductive Loads .............................................................. 16
Sinking and Sourcing Examples ...................................................... 17

Driving a Relay <24 mA .......................................................... 17
Driving a Relay >24 mA .......................................................... 18
Driving SSRs ............................................................................ 18