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SINAMICS G120
Inverter chassis units 0.37 kW to 132 kW (0.5 hp to 200 hp)
SINAMICS G120 chassis units
3/4
Siemens D 11.1 · 2008
3
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Benefits
7 Modularity ensures flexibility for an advanced drive concept
- Module replacement when system is running (hot swapping)
- Pluggable terminals
- The modules can be easily replaced, which makes the sys-
tem extremely service friendly.
7 The safety functions make it easier to integrate drives into
safety-oriented machines or plants
7 Capable of communicating via PROFINET or PROFIBUS with
PROFIdrive Profil 4.0
- Reduced number of interfaces
- Plant-wide engineering
- Easy to handle
7 The innovative circuit design (bidirectional input rectifier with
“pared-down” DC link) allows the kinetic energy of a load to be
fed back into the supply system when Power Modules PM250
and PM260 are implemented. This feedback capability pro-
vides enormous potential for savings because generated en-
ergy no longer has to be converted into heat in a braking re-
sistor
7 Innovative SiC semiconductor technology ensures that when
a PM260 Power Module is used, the inverter is more compact
than a comparable standard inverter with an optional sine-
wave filter for the same output
7 A new cooling concept and paint finish for the electronic mod-
ules increase robustness and service life
7 Simple unit replacement and quick copying of parameters us-
ing the optional Basic Operator Panel or the optional MMC
memory card
7 Low-noise motor operation resulting from high pulse fre-
quency
7 Compact, space-saving construction
7 Software parameters for easy adaptation to 50 Hz or 60 Hz
motors (IEC or NEMA motors)
7 2/3-wire control (static/pulsated signals) for universal control
via digital inputs
7 Engineering and commissioning with uniform engineering
tools such as SIZER, STARTER, and Drive ES: ensure rapid
engineering and easy commissioning – STARTER is inte-
grated in STEP 7 with Drive ES Basic with all the advantages
of central data storage and totally integrated communication
7 Certified worldwide for compliance with CE, UL, cUL, c-tick,
Safety Integrated to IEC 61508 SIL 2
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Application
SINAMICS G120 is ideal
• as a universal drive in all industrial and commercial applica-
tions
• in the automotive, textiles, printing, and chemical industries
• for end-to-end applications, e.g. in conveyor systems
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Design
The SINAMICS G120 inverter chassis units are modular fre-
quency inverters for standard drives. Each SINAMICS G120
comprises two operative units – the Power Module and Control
Unit. Each Control Unit can be combined with each Power
Module.
Guide for module selection
The steps to be taken for the selection of a complete SINAMICS
G120 frequency inverter should be as follows:
Control Units
The following Control Units and an MMC memory card are avail-
able as accessories for SINAMICS G120 inverter chassis units:
CU240 Control Units
The Control Unit performs closed-loop control functions for the
inverter. In addition to control functions, the Control Unit can also
perform other tasks which can be adapted to the relevant appli-
cation by parameterization. A number of Control Units are avail-
able in different versions:
• CU240E
• CU240S
• CU240S DP
• CU240S DP-F
• CU240S PN
• CU240S PN-F
MMC memory card (not available for Control Unit CU240E)
The parameter settings for an inverter can be stored on the MMC
memory card. When the plant is serviced, it is immediately ready
for use again after, for example, replacement of the frequency in-
verter and transfer of the memory card data. The associated slot
is located on top of the Control Unit.
1st
Selection of the appropriate Control Unit (in dependence of the
required style depth of communication, hardware and software)
2nd
Selection of the appropriate Power Module (in dependence of the
necessary performance and technology)
3rd
Selection of the optional additional components. A large number
of components for expanding the system is available, e. g. line-
side power components, DC link components, load-side power
components, and supplementary system components. Please
note that not every component is required for every Power Module
(example: Braking resistors are not necessary for PM250 and
PM260 Power Modules!). You can find the exact indications in the
technical data tables of the respective components.
© Siemens AG 2008
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