Wiring For High-Vibration Applications - National Instruments NI 9230 Getting Started Manual

a case that is electrically isolated from the IEPE electronics. As a
result, connecting the sensor to the NI 9230 results in a floating
connection even though the case of the sensor is grounded.

Wiring for High-Vibration Applications

If your application is subject to high vibration, NI recommends
that you follow these guidelines to protect connections to the
NI 9230 with screw terminal:
• Use ferrules to terminate wires to the detachable connector.
• Use the NI 9971 backshell kit.
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