Image 7.56: “Hydraulic signal settings, analog inputs” screen
The signal sources for the reference values, actual values, and signal limits are
selected with P 2840 - HYD_Cfg. A variety of signal sources can be set for the
following variables:
MOOG
ID No.: CB40859-001 Date: 11/2020
MSD Servo Drive - Device Help
180
7 Control
l
Pressure reference value (pRefSrc)
l
Volumetric flow rate reference value (QRefSrc)
l
Pressure actual value (pActCalc)
l
Pressure limitation (Minimum/maximum values) (pMinSrc/pMaxSrc)
l
Volumetric flow rate limitation (minimum/maximum values)
(QMinSrc/QMaxSrc)
l
Volumetric flow actual value (QActCalc)
l
Leakage volumetric flow rate (QLeakEst)
l
Speed reference value (nRefSrc)
l
Hydraulic cylinder valve control (CylValveSwSel)
ID
Index Name / Setting
Unit Description
2840
HYD_Cfg
Configure Hydraulic System Control
2840
0
Reserved
Reserved
2840
1
pRefSrc
Hydraulics: Selection of pressure reference source
0: ANA
Setpoint of analog input
1: PROFILE
Setpoint from profile
2840
2
QRefSrc
Flow rate, selection of reference source
0: ANA
Setpoint of analog input
1: PROFILE
Setpoint from profile
2840
3
pActCalc
Hydraulic: Pressure actual value calculation method
0: PACT
pAct will be used for control
1: PACT2
pAct2 will be used for control
2: DIFF_PACT_PACT2
pAct-pAct2 will be used for control
3: PRIO
Both values will be used with Current Priority
4: PMOTT
Calculation from motor torque
5: PACTSEL
Selection between pAct and pAct2 per parameter
2840
4
pMinSrc
Minimum pressure source selector
0:PressCon
Min. pressure value from HYD_PressCon_pMin
1:Neg_pRef
Min. pressure, negative value from HYD_Val_pRef
2:Pos_pRef
Min. pressure value from HYD_Val_pRef
2840
5
pMaxSrc
Maximum pressure source selector
Table 7.52: “Selection of signal sources” parameters