Siemens SINUMERIK 840D sl Manual page 15

The following power components are offered:
● Line-side power components, such as fuses, contactors, chokes and filters for switching
● Line modules that perform the function of the central energy supply in the DC link
● DC link components used optionally for stabilizing the DC link voltage
● Motor modules that operate as inverter obtain their energy from the DC link and supply
To handle the required functions, SINAMICS S120 has
● A control unit that processes the inter-axis drive and technological functions
● Additional system components to expand the functionality and to handle various
The SINAMICS S120 components have been developed for installation in control cabinets.
They are characterized by the following properties:
● Simple handling, simple installation and wiring
● Practice-oriented connection engineering and EMC-conform cable placement
● Consistent design, contiguous assembly
● Internal air cooling (other cooling methods on request).
Guide for the SINUMERIK 840D sl machine configuring
Manual, 07/2006 Edition, 6FC5397-6CP10-0BA0
the energy supply and for observing the EMC regulations
the attached motors.
interfaces for encoders and process signals.
1.5 SINAMICS S120 / SINUMERIK 840D sl Component Overview
System overview
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