Commissioning via the built-in BOP
5.6 Function commissioning
SINAMICS V20 Converter
Operating Instructions, 10/2019, A5E34559884-012
127
P2948 Wobble signal increment step This parameter sets the value for the increment step at the end of the nega-
tive signal period.
Range: 0.000 to 1.000 (factory default: 0.000)
P2949 Wobble signal pulse width [%] This parameter sets the relative widths of the rising and falling pulses.
Range: 0 to 100 (factory default: 50)
5.6.3.14 Running the converter in motor staging mode
Functionality
Motor staging allows the control of up to 2 additional staged pumps or fans, based on a PID
control system. The complete system consists of one pump controlled by the converter and
up to 2 further pumps/fans controlled from contactors or motor starters. The contactors or
motor starter are controlled by digital outputs from the converter.
The diagram below shows a typical pumping system.
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