Operation and Performance
25
PLM Series Operation Manual rev 1.1.9
5.4.1 Low Inrush Current
High power ampliers with inadequate inrush current limiting can draw considerable current from the mains
at turn-on, sometimes tripping a fast-acting mains breaker. The PLM, however, has very low inrush current
(the capacitors charge slowly and in a controlled manner) to prevent tripping of breakers.
Several PLMs can, under normal conditions, be powered up simultaneously. If you do experience problems
powering up multiple PLMs simultaneously, they must either be turned on manually in an ordered manner,
or sequenced remotely using the Lake Controller software’s Global Control feature. Alternatively, the capac-
ity of the mains supply should be increased.
If insufcient power is available to allow simultane-
ous power-up, then there is probably insufcient
capacity for full power output during operation. It is
recommended that additional capacity is added to
the mains power distribution system.
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