Siemens TV Converter Box 611 User Manual

General safety guidelines

1.4 Danger from strong magnetic fields

1.4

Danger from strong magnetic fields

Occurrence of magnetic fields

Strong magnetic fields occur in the components of the motor that contain permanent

magnets. The magnetic field strength of the motors results exclusively from the magnetic

fields of the components with permanent magnets in the de-energized state. Electromagnetic

fields also occur during operation.

Components with permanent magnets

CAUTION

The permanent magnets of the 1FW6 torque motors are located in the rotor.

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Figure 1-1

Schematic representation of the static magnetic field of a rotor, as a function of distance

1FW6 Built-in torque motors
Configuration Manual, 05/2009, 6SN1197-0AD00-0BP7