Keba ServoOne User Manual

2852.11 KpScaleNeg) for the positive and negative cylinder directions can be used
to influence the gain of the controller. KpScaleNeg becomes active with the bit for
the negative cylinder volume (P 2863 Hyd_TabCtrl Bit 0).
NOTE
l Inthiscontrolmode,thevolumetricflowrateandpressure
limitationarenotactive.
Image 7.73: Control structure, cylinder speed control without cylinder model and
leakage compensation
ID Index Name Unit Description
2849  HYD_Lfe  Leakageflowestimation
2849 0 lfe_Qmin l/min LeakageFlowEstimator:Minvalue
2849 1 lfe_Qmax l/min LeakageFlowEstimator:Maxvalue
2849 2 lfe_K 1/ms LeakageFlowEstimator:Gain
2849 3 lfe_Tn ms LeakageFlowEstimator:Integratortime
constant
2850  HYD_PressCon  Pressurecontrolparameters
2850 0 Kp rpm/bar Gain
2850 1 KpScale  Gainscaling
Table 7.83: “Hydraulic - Speed control” parameters
ID No.: 0842.26B.5-01Date: 09.2020
ServoOne- Device Help
205
7 Control
ID Index Name Unit Description
2850 2 Tn ms Integrationtimeconstant
2850 3 Tv ms Differentialtimeconstant
2850 4 Tp ms Integral-actiontime
2850 5 pMin bar Minimumpermissiblepressure
2850 6 pMax bar Maximumpermissiblepressure
2850 7 QMin l/min Minimumflowrate
2850 8 QMax l/min Maximumflowrate
2850 9 PressWindow bar Pressurecontrolparameters
2850 10 decmpLvl bar Levelforactivedecompression
2850 11 decmpRate bar/s Rateforactivedecompression
2850 12 pActScale  ScalingforpAct
2850 13 pAct2Scale  ScalingforpAct2
2850 14 pRange_k % Pressurerangethreshold
2850 15 pRange_midpoint bar Pressurerangemidpoint
2852  HYD_SpdCon  SpeedControllerParameters
2852 0 cylArea1 cm^2 Speedcontrolparameter
2852 1 lfe_K_scale  LeakageFlowEstimator:Gainscaling
2852 2 cylArea2 cm^2 Cylinderdisplacement(option2,useneg.
valueforneg.direction)
2852 3 lfe_K_scale2  LeakageFlowEstimator:Gainscaling(option
2)
2852 4 res  Reserved
2852 5 res  Reserved
2852 6 res  Reserved
2852 7 unit_scale um/rev Hydraulicphysicalunitscaling
2852 8 Kp 1/min Speedcontrolintegrationtimeconstant
2852 9 Tn ms Speedcontrolintegrationtimeconstant
2852 10 KpScale % Speedcontrolgainscaling
2852 11 KpScale2 % Speedcontrolgainscaling(option2)
Table 7.83: “Hydraulic - Speed control” parameters (continue)
7.11.10Positioncontrol
Position control with volumetric flow feed forward control:

Keba ServoOne Specifications

General

Brand	Keba
Model	ServoOne
Category	Controller
Language	English