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Possible causes of malfunctions, general

Faults in the machine or the facility can have very different causes.
Drive movements can be effected by faults in the following areas:

1. Mechanical coupling or transmission elements at the motor shaft (loose, elasticity, conversion, moments of inertia, jams, friction)

2. Mechanical stability of the machine’s frame (rigidity)

3. Position measuring systems, position encoder

4. Numerical control (NC, CNC)

5. Other controllers (SPS)

6. Driving systems with
– supply modules
– drive modules
– motor cables
– motor with feedback electronics

7. Mains connections with transformers, throttles and controller loops with contactors and auxiliary relays.

8. Conditions of the electrical mains

9. Electromagnetic influences caused by equipment or machinery working with frequencies higher than the mains frequency, or the use of large amounts of energy.