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Power Controller: Constant-current Model Sometimes Having All Indicators ON

FAQ No. FAQ01983

Primary Contents

Question

Why does the constant-current model sometimes have all indicators ON?

Answer

A constant-current model will sometimes not be able to perform control if used with a current load much smaller than the rated current.

Possible Countermeasures:

1. Adjust the CUR LIM adjuster until one of the level indicators turns OFF.

2. If using 50% or less of the rated current, increase the number of turns of the wire on the CT.

Example:
50% of the rated current: 2 turns
25% of the rated current: 4 turns

Applicable models: G3PX-2[][]EC/G3PX-2[][]DC Power Controllers