SIEMENS
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Siemens CR 1 · 2015
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Drive systems
System overview
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Overview
Flexibility for successful crane concepts
As part of the SINAMICS drive family, the SINAMICS S120 drive
system is a modular system for high-performance applications
in crane construction. SINAMICS S120 offers high-performance
single-axis and multi-axis drives for a very broad range of crane
applications. By virtue of its scalability and flexibility,
SINAMICS S120 is the ideal system for satisfying the ever in-
creasing demand for more axes and better performance.
SINAMICS S120 supports flexible crane concepts and speedy
implementation of customized drive solutions.
Modern cranes must be built at ever lower cost, but deliver ever
greater productivity. The SINAMICS S120 drive concept meets
both these challenges! It is easy to configure and thus helps to
reduce project completion times. Its excellent dynamic re-
sponse and accuracy permit higher cycle rates for maximum
productivity.
Application areas in crane construction
SINAMICS S120 enhances the performance of cranes, in both
industrial and harbor crane systems:
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Container cranes
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Grab cranes
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Stacking cranes
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Ladle cranes
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Bridge cranes
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Goliath cranes
Modularity for crane construction
SINAMICS S120 is designed to allow free combination of power
and control performance. Multi-axis drives with higher-level mo-
tion control can be implemented with the SINAMICS S120 mod-
ular system as easily as single-drive solutions.
Greater flexibility with central control intelligence
On the SINAMICS S120, the drive intelligence is combined with
closed-loop control functions into Control Units.
They also perform the speed and torque control functions plus
other intelligent drive functions for all axes on the drive. Vector
control is used in crane applications.
SINAMICS S120 – Functions for better efficiency
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Basic functions: Speed control, torque control, positioning
functions
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Intelligent starting functions for independent restart after
power supply interruption
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BICO technology with interconnection of drive-related I/Os for
easy adaptation of the drive system to its operating
environment
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Integrated safety functions for rational implementation of
safety concepts
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Regulated infeed/regenerative feedback functions for
preventing undesirable reactions on the supply, allowing
recovery of braking energy and ensuring greater stability
against line fluctuations.
DRIVE-CLiQ – the digital interface between all components
All SINAMICS
S120 components are interconnected by a shared
serial interface called DRIVE-CLiQ. The standardized cables
and connectors reduce the variety of different parts and cut stor-
age costs. Converter boards (Sensor Modules) for converting
standard encoder signals to DRIVE-CLiQ are available for mo-
tors without a DRIVE-CLiQ interface.
Swift and automatic: The electronic rating plate
An important digital linkage element of the SINAMICS S120
drive system are the electronic rating plates integrated in every
component. They allow all drive components to be detected au-
tomatically via a DRIVE-CLiQ link. As a result, data do not need
to be entered manually during commissioning or component
replacement – helping to ensure that drives are commissioned
successfully!
Modular design ensures flexibility and scalability
Motor Modules (DC/AC units) – available in compact booksize,
booksize and chassis formats – are characterized by their mod-
ular design. All the drive intelligence is combined in Control
Units. The Control Units perform all the closed-loop control func-
tions for the drive line-up. They also handle all other drive func-
tions such as the interconnection of drive-related I/Os, position-
ing functions, and feature PROFIBUS DP or PROFINET as the
central interface for linking to higher-level automation systems.
Line Modules (AC/DC units) – available in compact booksize,
booksize and chassis formats – feed energy centrally into the
DC link. Line Modules are optionally available with regulated in-
feed/regenerative feedback to provide a constant DC link volt-
age and high level of supply compatibility. Motor Modules sup-
ply the motors with energy from the DC link.
Configurable control cabinets based on Motor
Modules and Line
Modules in chassis format can be ordered in Cabinet Module
format.
On AC/AC units, the infeed and motor power supply functions
are combined in a single device, the Power Module – available
in blocksize and chassis formats. For single-axis applications,
drive control functions are performed by a special Control Unit
(CU310-2) mounted on the Power Module and for multi-axis ap-
plications, by a Control Unit (e.g. CU320-2) connected by a
DRIVE-CLiQ link. In this case, a Control Unit Adapter is mounted
on the Power Module in place of the Control Unit.
© Siemens AG 2015