In order to enable safe braking of a transport unit of a long stator linear motor (1), a plurality (m) of drive coils (Sm) of the long stator linear motor (1) is energized in normal operation in such a way that a magnetic field coupled to a transport unit (2) along a direction of movement ( x) is moved to move the transport unit (2) along the direction of movement (x), according to the invention, when the transport unit (2) brakes, it is switched to a regulated short-circuit mode (M) in which at least some of the drive coils (Sm) are connected via at least one the first period is operated in a short circuit.
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