Table Of Contents

Internal Channels for NI ELVIS II Family

Version:
    Last Modified: November 16, 2017

    Internal Channel Name Description
    _aignd_vs_aignd A differential terminal with the positive and negative terminals both connected to the ground reference for analog input.
    _ao0_vs_aognd A differential terminal with the positive terminal connected to physical channel ao0 and the negative terminal connected to the ground reference for analog output.
    _ao1_vs_aognd A differential terminal with the positive terminal connected to physical channel ao1 and the negative terminal connected to the ground reference for analog output.
    _calref_vs_aignd A differential terminal with the positive terminal connected to the internal calibration reference voltage and the negative terminal connected to the ground reference for analog input.
    _aignd_vs_aisense A differential terminal with the positive terminal connected to the ground reference for analog input and the negative terminal connected to physical channel AI SENSE.
    _aignd_vs_aisense2 A differential terminal with the positive terminal connected to the ground reference for analog input and the negative terminal connected to physical channel AI SENSE2.
    _calSrcHi_vs_aignd A differential terminal with the positive terminal connected to the calibration PWM and the negative terminal connected to the ground reference for analog input.
    _calref_vs_calSrcHi A differential terminal with the positive terminal connected to the internal calibration reference voltage and the negative terminal connected to the calibration PWM.
    _calSrcHi_vs_calSrcHi A differential terminal with the positive and negative terminals connected to the calibration PWM.
    _aignd_vs_calSrcHi A differential terminal with the positive terminal connected to the ground reference for analog input and the negative terminal connected to the calibration PWM.
    _calSrcMid_vs_aignd A differential terminal with the positive terminal connected to the calibration PWM and the negative terminal connected to the ground reference for analog input. _calSrcMid is the divided down version of _calSrcHi.
    _calSrcLo_vs_aignd A differential terminal with the positive terminal connected to the calibration PWM and the negative terminal connected to the ground reference for analog input. _calSrcLo is the divided down version of _calSrcHi.
    _ai0_vs_calSrcHi A differential terminal with the positive terminal connected to physical channel ai0 and the negative terminal connected to the calibration PWM.
    _ai8_vs_calSrcHi A differential terminal with the positive terminal connected to physical channel ai8 and the negative terminal connected to the calibration PWM.
    _boardTempSensor_vs_aignd A differential terminal with the positive terminal connected to the onboard temperature sensor and the negative terminal connected to the ground reference for analog input..
    _ai16:31 A differential or RSE terminal used to access internally connected AI terminals.
    _vpsPosCurrent A differential terminal connected to the shunt resistor on the variable power supply.
    _vpsNegCurrent A differential terminal connected to the shunt resistor on the variable power supply.
    _vpsPos_vs_gnd A differential terminal connected to a voltage divider on the variable power supply.
    _vpsNeg_vs_gnd A differential terminal connected to a voltage divider on the variable power supply.
    _dutNeg Reads the voltage equivalent of Current into the DUT- pin.
    _base Reads the voltage at the base pin (base voltage for 3-wire analyzer).
    _dutPos Reads the voltage at the DUT+ pin.
    _fgenImpedance Internally routes the function generator to the impedance analyzer circuit.
    _ao0Impedance Internally routes AO 0 to the impedance analyzer for Three-Wire Current-Voltage Analyzer measurements.

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