High Frequency Modules; Introduction - Siemens SINAMICS S120 System Manual

High Frequency Modules

4.1

Introduction

The SINAMICS S120 High Frequency Drive is an inverter with integrated output filter (HF
Sine Filter Module) to control motors with high output frequencies (up to 2400 Hz). The High
Frequency Drive is operated with a pulse frequency of 16 kHz or 32 kHz, and a current
controller clock cycle of 62.5 μs or 31.25 μs.
High Frequency Drives are used for high-performance machining in tool and mold making for
and for cutting gear wheels. It can be used in conjunction with high-speed spindle motors
and torque motors.
High Frequency Drives are only designed for installation in control cabinets.
A High Frequency Drive consists of three components (HF modules), which can only be
operated together in the HF line-up:
● HF Motor Module
● HF Choke Module (reactor module)
● HF Damping Module
HF Choke Modules and HF Damping Module together form the HF Sine Filter Module.
The HF line-up is supplied from the factory in individual components.
The diagram shows the arrangement of the components in the HF line-up.
High Frequency Drive
System Manual, (SH2), 04/2015, 6SL3097-4AH10-0BP3
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