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Connecting
8.2 Electrical connection
SIMOTICS M-1FE2 built-in motors
134
Configuration Manual, 05/2021, A5E50494252B AB
Star-delta changeover by means of speed threshold
You can implement the star-delta changeover by means of speed threshold with a contactor
circuit.
For circuit design and parameterization refer to the information in the SINAMICS S120 Drive
Function Manual (Chapter 12.5) or
the SINUMERIK 840D sl PLC Function Manual.
Preconditions
The initial commissioning has been completed.
The following conditions must be true:
•
2 motor data sets (MDS), p0130 = 2
•
2 drive data sets (DDS), p0180 = 2
•
2 digital outputs to control the auxiliary contactors
•
2 digital inputs to monitor the auxiliary contactors
•
1 free speed setpoint monitor (p2155)
•
2 auxiliary contactors with auxiliary contacts (1 NO contact)
•
2 motor contactors with positively driven auxiliary contacts (1 NC contact, 1 NO contact)
•
1 motor, 1 control unit, 1 infeed, and 1 Motor Module
Figure 8-13 Example of star-delta changeover
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