National Instruments NI sbRIO-9611, User Manual

Page: 45 / 52

© National Instruments Corporation 45 NI sbRIO-961x/9612XT/963x/9632XT/964x/9642XT
24 V Digital Input (NI sbRIO-964 x /9642XT Only)
Number of channels ............................... 32 digital input channels
Input type ............................................... Sinking
Digital logic levels
OFF state
Input voltage
............................ ≤
5 V
Input current
............................ ≤
150
μ
A
ON state
Input voltage
............................ ≥
10 V
Input current
............................ ≥
330
μ
A
Hysteresis
Input voltage ............................ 2 V min
Input current ............................ 60
μ
A min
Input impedance ..................................... 30 k
Ω
±5%
Input protection
8 channels ....................................... 60 VDC max
32 channels ..................................... 30 VDC max
Setup time
1
............................................. 1
μ
s max
Transfer time
2
......................................... 7
μ
s max
24 V Digital Output (NI sbRIO-964 x /9642XT Only)
Number of channels ............................... 32 digital output channels
Output type............................................. Sourcing
Output voltage ( V
0
) ................................ V
sup
– ( I
0
R
0
)
Input voltage from
external power supply ............................ 6–35 VDC
Continuous output current ( I
0
) on each channel
No heat sinks................................... 250 mA max
With external heat sinks added
3
...... 1.5 A max
1
Setup time is the amount of time input signals must be stable before you can read from the module.
2
Transfer time is the maximum time FPGA Device I/O functions take to read data from the module.
3
Refer to the Increasing Current Drive section for information about installing heat sinks.