© National Instruments Corporation 19 NI 6509 User Guide and Specifications
Accessories
National Instruments offers the following products for use with the
NI6 509.
For more information about optional equipment available from National
Instruments, refer to the National Instruments catalog or visit ni.com.
Specifications
This section lists the specifications for the NI 6509. These specifications
are typical at 25 °C, unless otherwise noted.

Power Requirements

Power consumption (typical).................375 mA on +3.3 VDC
No load current.......................................250 mA on +5 VDC
With a load, use the following equation to determine the power
consumption on a 5 V rail. In the equation, j is the number of channels
you are using to source current.
Power available at I/O connector........... 1 A (fused), maximum
(combined or individually)
Note The voltage at the I/O connector is dependent upon the amount of current drawn
from the NI 6509 device.

Digital I/O

Number of channels............................... 96 I/O
Compatibility......................................... TTL/CMOS
Cable (Part Number) Accessory (Part Number)
SH100-100-F shielded cable (185095) SCB-100 connector block (776990)
R1005050 ribbon cable (182762) CB-50 connector block, DIN-rail mount (776164)
CB-50LP connector block, panel mount (777101)
250 mA
i1=
j
∑current sourced on channel i()+