Fet-Or Module Redundant Operation; Surge Protection; Redundancy Diode Decoupling - GE Mark VIeS System Manual

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10.10.3.9 FET-OR Module Redundant Operation

The FET-OR module decouples the output of two power supply units and ensures safe redundancy. One redundancy module

is needed to decouple two parallel connected power supplies (device 1 and 2) with nominal currents of up to 10 A.

The Auto Current Balance (ACB) technology is used to double the operation life of redundant power supply units. The load

current is automatically distributed symmetrically to evenly load both power supply units. Use connection cables of the same

length and cross section.

Inputs IN 1 and IN 2 are equipped with a protective circuit that is triggered in the event of static surge voltages greater than 30

V. Two input voltages must be present that are independent of each other.

PDM Power Distribution Modules

GEH-6855_Vol_II System Guide 419

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