6.10.7
Flow meter
Overview
With the flow meter function configured with parameters p29631 and p29632, the converter
estimates the real-time flow of the pumps and fans based on the defined characteristic, so as
to realize effective flow control and reduces the system power loss.
Function description
The converter calculates the real-time flow according to the flow characteristic derived from the
values entered in p29631[0...4] and p29632[0...4]. You can acquire these values from the
machine manufacturer.
● p29631[0...4]: five power interpolation points in kW, which should spread across the
converter power range;
Make sure that p29631[0] ≤ p29631[1] ≤ p29631[2] ≤ p29631[3] ≤ p29631[4], or otherwise,
the flow calculation result (r29633) is zero.
● p29632[0...4]: five flow values corresponding to the power interpolation points.
The calculation result associated with the output power then displays in parameter r29633. It
should be noted that if the power is higher than the value entered in p29631[4], r29633 always
displays the flow value entered in p29632[4].
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Advanced commissioning
6.10 Energy saving
SINAMICS G120X converter
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC
455
Содержание SINAMICS G120X
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