Siemens Aktiengesellschaft

Christian Müssenberger

Carsten Spindler

Georg Schlatterer

Guido Stöppler

Herbert Pommer

A motor apparatus includes a motor having a first active part and a second active part, the first active part having a plurality of separately controllable windings, a control unit comprising a processing unit and for each of one or more of the windings a motor module, wherein the motor module has a power converter. The motor apparatus further has and a sensor device constructed to supply a position signal indicative of a position of the first active part relative to the second active part, wherein one of the motor modules is a master module, which receives the position signal directly from the sensor device as the only one of the motor modules, and transmits an item of position information corresponding to the position signal to the processing unit, and wherein another one of the motor modules is a slave module, which receives directly from the processing unit a single item of information regarding the position of the first active part relative to the second active part and controls the one or more windings as a function of the single item of information.

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Erlangen, Germany

Christian Müssenberger