Appendix A
Specifications
©
National Instruments Corporation
A-3
NI PS-16 Power Supply User Manual
AC Input
AC input
Nominal AC 100-120V/200-240V
Auto-select input, TN-, TT-, IT-Mains, refer to Figure A-3
AC input range
90–132 V
AC
180–264 V
AC
85–90 V
AC
264–300 V
AC
100–120 V range, continuous operation
200–240 V range, continuous operation
Short term or with output derating
<0.5 s
Input frequency
Nominal 50–60 Hz
±6%
DC input
Not allowed
—
Typical/
Maximum
AC
100 V
AC
120 V
AC
230 V
Input current
Typical
4.34 A
3.73 A
2.23 A
At 24 V, 10 A refer to Figure A-3
Power factor*
Typical
0.61
0.59
0.51
At 24 V, 10 A refer to Figure A-3
Crest factor
†
Typical
2.61
2.83
3.3
At 24 V, 10 A
Start-up delay
Typical
70 0ms
800 ms
850 ms
Refer to Figure A-4
Rise time
Typical
Typical
35 ms
75 ms
35 ms
75 ms
35 ms
75 ms
0 mF, 24 V, 10 A, refer to Figure A-4
10 mF, 24 V, 10 A, refer to Figure A-4
Turn-on
overshoot
Maximum
100 mV
100 mV
100 mV
Refer to Figure A-4
Turn-on voltage
Typical
82 V
AC
82 V
AC
N/A
Steady-state value, refer to Figure A-3
Shut-down
voltage
Typical
75 V
AC
75 V
AC
N/A
Steady-state value, refer to Figure A-3
* The power factor is the ratio of the true (or real) power to the apparent power in an AC circuit.
†
The crest factor is the mathematical ratio of the peak value to the RMS value of the input current waveform.
