© National Instruments Corporation A-1 SCXI-1503 User Manual
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Specifications

This appendix lists the specifications for the SCXI-1503 modules.
Thesespecifications 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
Calibrated1.............................. ±650 μV max
±250 μV typ
With autozero enabled2........... ±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.