© National Instruments Corporation A-1 SCXI-1122 User Manual
Appendix A
Specifications
This appendix lists the specifications for the SCXI-1122. These are typical at 25
°
C unless
otherwise stated.
Analog Input
Input Characteristics
Number of channels 16 differential, 8 4-wire, software selectable
Input signal ranges
Module Gain Max
Module Range
1
(Software Selectable)
±
10 V
0.01
±
250 VDC or Vrms
0.02
±
250 V
0.05
±
200 V
0.1
±
100 V
0.2
±
50 V
0.5
±
20 V
1
±
10 V
2
±
5 V
5
±
2 V
10
±
1 V
20
±
500 mV
50
±
200 mV
100
±
100 mV
200
±
50 mV
500
±
20 mV
1,000
±
10 mV
2,000
±
5 mV
Input coupling DC
Max working voltage Each input should remain within 480 Vrms of
( common mode) ground, and within 250 Vrms of any other channel
Overvoltage protection 250 Vrms powered on, 250 V powered off
Protected terminals CH < 0..15 >, IEX+, IEX-, VEX+, VEX-
1
Vrms refers to sinusoidal waveform; V refers to DC or AC peak.
