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© National Instruments Corporation A-1 SCXI-1503 User Manual
A
Specifications
This appendix lists the specifications for the SCXI-1503 modules.
These specifications are typical at 25 °C unless otherwise noted.
Analog Input
Input Characteristics
Number of channels ...............................16 differential
Input coupling ........................................DC
Input signal ranges ................................. ±100 mV (gain = 100) or
±10 V (gain = 1)
Input overvoltage protection
Powered on ..................................... ±42 VDC
Powered off..................................... ±25 V
Inputs protected...............................AI<0..15>
CJ sensor input protection............... ±15 VDC powered on or off
Transfer Characteristics
Nonlinearity ...........................................0.005% FSR
Input offset error (RTI)
Gain = 1
Calibrated
1
.............................. ±650 μV max
±250 μV typ
With autozero enabled
2
...........±300 μV max
±150 μV typ
1
Assumes 1,000 point average, 25 °C ±10 °C over one year.
2
Assumes 1,000 point average, ±1 °C of autozero temperature.