National Instruments Module SCXI-1503 Manuale Utente Scaricare il pdf (Pagina 58)

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

.............................. ±650 μV max

±250 μV typ

With autozero enabled

........... ±300 μV max

±150 μV typ

Assumes 1,000 point average, 25 °C ±10 °C over one year.

Assumes 1,000 point average, ±1 °C of autozero temperature.

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National Instruments Module SCXI-1503 Manuale Utente Pagina 58