142 User’s Manual PLZ-5W
Appendix ｜ Selecting the Load Cables
Limitations of the remote sensing
All wires have resistance. As the wire becomes longer or the current becomes larger, the voltage drop in
the wire becomes greater. This results in a smaller voltage being applied at the load input terminal. The
PLZ-5W has a sensing function (p.56) that compensates for this voltage drop, which is the total potential
difference between the load input terminals and sensing terminals, by up to approximately 7 V. If the volt-
age drop exceeds this level, use wires that have a greater cross-sectional area.
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