Network Card User Manual

Specifications Appendix A
SCXI-1120 User Manual A-2 © National Instruments Corporation
Rise time
4 Hz 0.12 sec
10 kHz 70 µsec
Slew rate 0.15 V/µsec
Noise (400 kHz bandwidth)
1
Input (gain = 1,000)
4 Hz filter 100 nVrms
10 kHz filter 4 µVrms
Output (gain = 1)
4 Hz 150 µVrms
10 kHz 1 mVrms
Operating common-mode voltage 50 or 60 Hz
Channel to channel or
Channel to earth 250 Vrms
5
Common-mode rejection ratio,
50 or 60 Hz
1 kΩ in input leads 160 dB minimum at 4 Hz bandwidth
NMR (50 or 60 Hz) 60 dB at 4 Hz bandwidth
Input protection (continuous) 250 Vrms maximum
Output protection Continuous short-to-ground
Power dissipation 7.5 W maximum
Cold-Junction Sensor
3
SCXI-1320
Accuracy 1.0° from 0° to 55° C
Output 10 mV/°C
SCXI-1328
Accuracy
4
0.35° from 15° to 35° C
0.65° from 0° to 15° and 35° to 55° C
Output 1.91 to 0.58 V from 0° to 55° C
1
Includes the combined effects of the SCXI-1120 and the AT-MIO-16F-5
2
Includes the combined effects of the SCXI-1120 and the AT-MIO-16X
3
Located on the SCXI-1320 and SCXI-1328 terminal blocks
4
Includes the combined effects of the temperature sensor accuracy and the temperature difference between the
temperature sensor and any screw terminal
5
Module tested using the UL 1244 standard to twice the working voltage + 1,000 Vrms