Siemens SINAMICS V20 Operating Instructions Manual page 116

Commissioning via the built-in BOP
5.6 Function commissioning
Function diagram
Description:
The blockage clearing mode is enabled when an ON command is issued, and the following
sequence is performed:
● Ramp or step (depending on P3363) to P3361 Hz in opposite direction to the setpoint
● For P3364 repetitions:
– Ramp down to 0 Hz using normal ramp time as specified in P1121
– Ramp or step (depending on P3363) to P3361 Hz in opposite direction to the setpoint
● Revert to "normal" setpoint and allow output to ramp using P1120.
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SINAMICS V20 Converter
Operating Instructions, 10/2019, A5E34559884-012