Speed Limitation - Siemens SINAMICS G150 Operating Instructions Manual

Converter cabinet units 75 kw to 1500 kw

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Speed limitation

Speed limitation aims to limit the maximum permissible speed of the entire drive train to

protect the drive and load machine/process against damage caused by excessive speeds.

Signal flow diagram

Signal flow diagram: Speed limitation

Function diagram

Converter cabinet units

Operating Instructions, 03/2012, A5E03263466A

Minimum speed

Skip frequency speed 1

Skip frequency speed 2

Skip frequency speed 3

Skip frequency speed 4

Skip frequency speed bandwidth

Speed setpoint after minimum limiting

Skip frequency bands and speed limiting

Setpoint channel and closed-loop control

7.2 Setpoint channel