USER GUIDE AND SPECIFICATIONS
NI 6509The NI 6509 is a 96-bit, high-drive digital input/output (I/O) device
forPCI, PXI, and CompactPCI chassis. The NI 6509 features
96 TTL/CMOS-compatible digital I/O lines, 24 mA high-drive output,
awatchdog timer, digital filtering, and programmable power-up states.
Contents
Configuration..........................................................................................2
Programming Devices in Software..................................................3
Functional Overview...............................................................................4
Safety Information..................................................................................4
Related Documentation...........................................................................6
Features...................................................................................................7
Digital Filtering................................................................................7
Digital Filtering Example.........................................................8
Programmable Power-Up States......................................................8
Change Detection.............................................................................9
Change Detection Example...................................................... 9
Watchdog Timer..............................................................................10
Digital I/O Connections..........................................................................11
Pin Assignments..............................................................................11
SH100-100-F Connector...........................................................11
R1005050 Connector................................................................ 13
Signal Descriptions..........................................................................14
Power Connections.................................................................................15
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
Accessories..............................................................................................19
Specifications..........................................................................................19