System overview
1.5 SINAMICS S120 Components
Equipment Manuel for Booksize Power Modules
1-8 Manual, (GH2), Edition 06.2005, 6SL3097-2AC00-0BP2
The following power components are available:
• Line-side power components, such as fuses, contactors, reactors, and filters for switching
the power supply and meeting EMC requirements.
• Line modules, which supply power centrally to the DC link.
• DC link components (optional), which stabilize the DC link voltage.
• Motor modules, which act as inverters, receive power from the DC link, and supply the
connected motors.
To carry out the required functions, SINAMICS S120 is equipped with:
• A control unit that carries out all drive and technological functions across all axes.
• Additional system components that enhance functionality and offer different interfaces for
encoders and process signals.
The SINAMICS S120 components were developed for installation in cabinets. They have the
following features and characteristics:
• Easy to handle, simple installation and wiring
• Practical connection system, cable routing in accordance with EMC requirements
• Standardized design, seamless integration
• Internal ventilators (other cooling methods available on request).