Siemens SINAMICS G130 Engineering Manual page 227

In a drive group with Motor Modules in chassis format, a maximum of 4 Motor Modules with vector control can be
operated on one CU 320 or a maximum of 6 Motor Modules with V/f control. In the case of Motor Modules in voltage
range 380 V to 480 V, >250 kW, and Motor Modules in voltage range 500 V to 690 V the modules are operated with a
current controller clock cycle of 400 µs. Please note that performance expansion will be required for the second
Motor Module and above.
Drive group comprising up to 4 Motor Modules in chassis format with different current controller clock cycles
(250 / 400 µs) "mixed operation"
Infeed 1
Active Line
CU320
X100
X101
X102
X103
Interface
CompactFlash card without performance expansion
CompactFlash card with performance expansion 1
With a mixed complement, i.e. Motor Modules with different pulse frequencies, of the kind which can occur in the
380 V to 480 V voltage range, the modules must be connected to different ports on the CU320 Control Unit
depending on their pulse frequency.
In the above picture, for example, two Motor Modules with an output of <250 kW and a pulse frequency of 2 kHz are
connected to port X101 on the CU 320 and two Motor Modules with an output of >250 kW and a pulse frequency of
1.25 kHz are connected to port X102 on the CU 320.
If a separate control cabinet is provided for the drive system or if several S120 units (Booksize, Chassis, Cabinet
Modules) are to be operated on the same CU320, the required DRIVE-CLiQ connecting cables must be ordered
separately. For connections inside of S120 Cabinet Modules or Booksize Cabinet Kits, the cables are supplied as
standard. For further information, please refer to the subsection "DRIVE-CLiQ wiring" of the chapter "Modular Cabinet
Unit System S120 Cabinet Modules" and to the section which deals specifically with "Booksize Base Cabinet/
Booksize Cabinet Kits".
Drive 1
Motor
Module Module
X400 X400
X401 X401
X402 X402
Active
X500
Module
X520
X500
VSM SMC30
M
3 ~
Engineering Information
Drive 2 Drive 3
Motor Motor
Module Module
X400 X400
X401 X401
X402 X402
X500 X500
X520 X520
SMC30 SMC30
M M
3 ~ 3 ~
SINAMICS Engineering Manual - May 2008
SINAMICS S120
Drive 4
Motor
Module
X400
X401
X402
X500
X520
SMC30
M
3 ~
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