Active Interface Modules; Description - Siemens SINAMICS S120 Equipment Manual

Air-cooled chassis power units

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Active Interface Modules

Active Interface Modules are used in conjunction with the Active Line Modules in chassis

format. The Active Interface Modules contain a Clean Power Filter with basic RI suppression,

the precharging circuit for the Active Line Module, the line voltage sensing circuit and

monitoring sensors.

The bypass contactor is an integral component in frame sizes FI and GI, which ensures a

highly compact design. The bypass contactor must be provided separately for frame sizes HI

The vast majority of line harmonics are suppressed by the Clean Power Filter.

The Active Interface Module contains:

● Clean Power Filter

● Line reactor

● Precharging circuit

● Bypass contactor (frame sizes FI/GI)

● Voltage Sensing Module VSM10

Active Interface Module

Frame size FI

Air-cooled chassis power units

Manual, 07/2019, 6SL3097-4AE00-0BP9

Frame size GI

Line-side power components

4.6 Active Interface Modules

Frame size HI

Frame size JI

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