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2.4 Connect the Transducer
2.4.1
Cable Type
Determine the distance between the transducer's installed location and the Model
NK. If the distance is less than 10 m [30 ft], use a four-wire hookup. If it is greater
than 10 m [30 ft], use a six-wire hookup and the "sense" feature.
Transducers with integral cables generally have four wires, designated:
For long six-wire cables, the additional two wires are used for the "sense" feature
and are designated:
The "sense" feature reduces the effect of signal voltage loss over a long cable,
increasing display accuracy. The "sense" feature is only needed for cables longer
than 10 m [30 ft].
Setup and Use
(+)Excitation
(–)Excitation
(+)Signal (or (+)Output)
(–)Signal (or (–)Output)
(+)Sense
(–)Sense
5
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