System overview
2.4 SINAMICS S120 components
Booksize Power Units
Manual, (GH2), 04/2014, 6SL3097-4AC00-0BP6
39
● 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:
● Control Units that process the drive and technological functions across all axes
● Additional system components to expand the functionality and to handle various
interfaces for encoders and process signals
SINAMICS S120 components are intended 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, side-by-side mounting
Note
Installation location in the cabinet
The SINAMICS S120 components must always be mounted vertically in the cabinet. Other
permissible installation locations are given in the descriptions for the indivi
dual components.
Booksize format units are optimized for multi-axis applications and are mounted adjacent to
one another. The connection for the shared voltage-source DC link is an integral feature.
The booksize format offers various cooling options:
● Internal air cooling
● External air cooling
● Cold plate cooling
● Liquid Cooled
The booksize compact format combines all benefits of the booksize format and provides the
same performance with an even smaller overall height. The booksize compact format is thus
particularly well suited for integration into machines with high dynamic requirements and
confined installation conditions.
The booksize compact format offers the following cooling options:
● Internal air cooling
● Cold plate cooling
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