Table 85: Parameters for the dynamic pressure setpoint compensation function on a PumpDrive Basic model using
flow rate estimation based on the speed
Parameter Description Possible settings Factory setting
3-2-2-1
Physical unit of setpoint Selection list III (⇨ Section 10.1 Page
129)
1
3-2-2-2
Physical unit for flow
rate (Q)
29
3-2-2-3
Physical unit of pressure 1
3-9-1-5
Process type of PI
controller
Constant Pressure
Variable Pressure
Constant flow
Other Setpoint
Constant Pressure
3-4-1-1
Q measurement/
estimate
Estimated
Measured
Estimated
3-4-1-3
Calibration for Q
measurement, p 100 %
value
0 - 9999 in physical unit of pressure
(3-2-2-3)
0
3-4-2-1
Q compensation point 0..100 (%) 100 %
3-4-2-2
Setpoint compensation 0 - 9999 in physical unit of setpoint
(3-2-2-1)
0
The settings for universal closed-loop control mode are described in (⇨ Section 7.1.1.4
Page 54) .
The above parameters for setting the dynamic pressure setpoint compensation
function on a PumpDrive Basic model using flow rate estimation based on the speed
must be configured as follows:
Table 86: Parameterisation for the dynamic pressure setpoint compensation function on a PumpDrive Basic model
using flow rate estimation based on the speed
Parameter Description Settings
3-9-1-5
Process type of PI controller Variable pressure
3-4-1-1
Q measurement/estimate Estimated
3-4-1-3
Calibration for Q measurement, p 100 % value Full-scale value of pressure/differential pressure
sensor
3-4-2-1
Q compensation point As required by system conditions
3-4-2-2
Setpoint compensation
The following additional parameters are required for parameterisation of the
dynamic pressure setpoint compensation function on a PumpDrive Basic model using
flow rate measurement via a sensor:
Table 87: Parameter for dynamic pressure setpoint compensation function on a PumpDrive Basic model using flow
rate measurement via a sensor
Parameter Description Possible settings Factory setting
3-4-1-2
Calibration for Q
measurement, Q 100 %
value
0 - 9999 in Q unit
(3-2-2-2)
(physical
unit of flow rate)
0
The following additional parameters are required for parameterisation of the
dynamic pressure setpoint compensation function on a PumpDrive Basic model using
flow rate measurement via a sensor:
Table 88: Parameterisation for dynamic pressure setpoint compensation function on a PumpDrive Basic model using
flow rate measurement via a sensor
Parameter Description Settings
3-9-1-5
Process type of PI controller Variable Pressure
3-4-1-1
Q measurement/estimate Measured
3-4-1-2
Calibration for Q measurement, Q 100 % value Full-scale value of flow rate sensor
3-4-1-3
Calibration for Q measurement, p 100 % value Full-scale value of pressure/differential pressure
sensor
3-4-2-1
Q compensation point As required by system conditions
3-4-2-2
Setpoint compensation
7 Commissioning/shutdown
86 of 162
PumpDrive
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