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Table Of Contents

NI 9219 Pinout

    Last Modified: April 28, 2017

    Table 1. Signals by Mode
    Mode Pin
    1 2 3 4 5 6
    Voltage T+ T- HI LO
    Current T+ T- HI LO
    4-Wire Resistance T+ T- EX+ HI EX- LO
    2-Wire Resistance T+ T- HI LO
    Thermocouple T+ T- HI LO
    4-Wire RTD T+ T- EX+ HI EX- LO
    3-Wire RTD T+ T- EX+ EX- LO
    Quarter-Bridge T+ T- HI LO
    Half-Bridge T+ T- EX+ HI EX-
    Full-Bridge T+ T- EX+ HI EX- LO
    DI T+ T- HI LO
    Open Contact T+ T- HI LO
    Table 2. Signal Descriptions
    Signal Description
    EX+ Positive sensor excitation connection
    EX- Negative sensor excitation connection
    HI Positive input signal connection
    LO Negative input signal connection
    T+ TEDS data connection
    T- TEDS COM connection

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