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Thermocouple Connection Guidelines

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    Last Modified: August 1, 2019

    The following figure shows a general connection diagram.

    Figure 1. Connection Diagram
    spd-note-notice
    Notice  

    To protect against ESD, water, and dirt, install unconnected mini-TC plugs into all unused terminals, and install FD-11940, Mini-TC Connector Protection Boot (NI part number 786394-01 (Qty 8)/786395-01 (Qty 16)) on all mini-TC plugs.

    spd-note-notice
    Notice  

    If your application is subject to high vibration or shock, NI recommends 0.5 mm2 (20 AWG) or larger thermocouple wire. Strain relieve all cables as close to the device as possible.

    Make sure that devices you connect to the FD-116xx are compatible with the device specifications. Refer to your thermocouple documentation or the thermocouple wire spool to determine which wire is the positive lead and which wire is the negative lead.

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