Electrical connection
6.6 Motor connection
Installation and Operating Instructions SINAMICS G180
98 Operating Instructions, 02/2019, 4BS0751-007
Jumpers for rated voltage preselection
Terminals -X101 and -X102 for an external control voltage
Terminal for preselection of the control voltage setting
• View as in the picture: Internal power supply
• Cable connected at connector -X200 : Power supply via terminals -X101 and -X102
Figure 6-1 Jumpers and terminals on the inverter
If a transformer is installed in a cabinet unit, the transformer connections must be changed to
the correct line voltage.
Three-phase asynchronous motors or three-phase synchronous motors can be used for your
inverter. The use of several motors simultaneously is permitted.
● The total of the motor outputs must not exceed the inverter output. You may operate
smaller and larger motors in parallel on one inverter.
● Take into account during the motor dimensioning that additional losses in the motor are
produced by the non-sine shaped motor current.
● Note that a motor without external ventilation will be cooled less at speeds less than the
rated speed. Therefore, consult the motor manufacturer for the dimensioning of the
motor.
● When using Siemens motors, refer to the list "UN03/UN04 Drehstrommotoren für
drehzahlverstellbare Antriebe" to find the relevant inverter output.
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