Patent ID: 9484846
Filing Date: 2016-11-01
CPC Classification: H02P,H05K

Claim Text:
1. A drive system, comprising: a power converter; an electric motor including a brake and an encoder; and a line assembly configured to connect the power converter to the electric motor, said line assembly having at least two power lines and two brake lines exclusively to provide a data transfer between the power converter and the electric motor and to transfer energy to the encoder, said power converter being configured to apply a first supply voltage of a first polarity and a second supply voltage of a second polarity opposite to the first polarity to the brake lines for supplying the brake and the encoder, said electric motor being configured to supply the encoder with a respective one of the first and second supply voltages independently of their polarity and to supply the brake with a respective one of the first and second supply voltages depending on their polarity.