Appendix A
Specifications
©
National Instruments Corporation
A-5
NI 951x User Manual
Digital logic levels, OFF state
Input voltage ............................
≤
5 V
Input current ............................
≤
250
μ
A
Digital logic levels, ON state
Input voltage ............................ 11 to 30 V
Input current ............................
≥
2 mA
Input impedance.............................. 30 k
Ω
± 5%
Min pulse width
1
............................. 100
μ
s
Outputs (NI 9512 only)
Number of outputs .......................... 2
Output type ..................................... Programmable: sinking or
sourcing
Voltage range .................................. 0 to 30 V
V
sup
input ........................................ 19 to 30 V
Continuous output current (
I
0
)
on each channel............................... ±100 mA max
Output impedance (
R
0
).................... 0.3
Ω
max
Output voltage (
V
0
) sourcing
.......... V
sup
– (
I
0
R
0
)
Output voltage (
V
0
) sinking
............ I
0
R
0
Min output pulse width ................... 100
μ
s
Leakage current............................... 200
μ
A
Active state ..................................... Programmable: on or off
MTBF..................................................... Contact NI for Bellcore MTBF or
MIL-HDBK-217F specifications.
Power Requirements
Power consumption from chassis
Active mode
NI 9512 .................................... 925 mW max
NI 9514 .................................... 900 mW max
NI 9516 .................................... 950 mW max
Sleep mode...................................... 0.4 mW max
1
Assumes the minimum filter setting. Refer to the
NI SoftMotion Module
book of the
LabVIEW Help
for more information
about filter options.