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National Instruments Corp.
9
NI 9219E Operating Instructions and Specifications
Connecting Signal Sources to the NI 9219E
You can connect ground-referenced or floating signal sources to
the NI 9219E. If you make a floating connection between the signal
source and the NI 9219E, make sure the voltages on the positive
and negative connections are within the channel-to-earth working
voltage range to ensure proper operation of the NI 9219E. Refer to
the
Specifications
section for more information about operating
voltages and overvoltage protection.
Note
For best signal quality, National Instruments
recommends using shielded cables and twisted pair
wiring whenever possible.
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