7.11.6.1 Hydraulic control word and status word
7.11.6.1.1 Hydraulic Control word
Bit
Operation Mode CTRL1
(Hydraulic Control Mode)
Operation Mode CTRL2
(Table index)
0
0000 Pressure control
0001 Volumetric flow rate control (pressure
limited)
0010 Cylinder speed control
0011 Cylinder position control
0100 Pump speed control
0101 Volumetric flow rate control (without
pressure limited)
Coding corresponds to
active table index
1
2
3
4
NewSetPoint (ramp change with rising edge or new hydraulic control
mode)
5
use p_act2 (use actual pressure value 2)
6
SwitchCylOpt (switchover of cylinder area, A1/A2
7 - 10
unused
11
Pressure limitation inactive
12
Pressure limitation in Q1 inactive
13
Pressure limitation in Q2 inactive
14
Pressure limitation in Q3 inactive
15
Pressure limitation in Q4 inactive
Table 7.61: Hydraulic control word:What the bits mean
MOOG
ID No.: CB40859-001 Date: 11/2020
MSD Servo Drive - Device Help
192
7 Control
ID
Index Name
Unit Description
2841
0
HYD_Ctrl
Hydraulic: system control
Table 7.62: “Hydraulic - Control word” parameters
7.11.6.1.2 Hydraulic status word
Bit
Meaning
0
Hydraulic control mode
1
2
3
4
SetPointAcknowledge (Set if there is a rising edge at
NewSetPoint and the setpoint is adopted; cleared if
newSetPoint = 0)
5
SwitchLeakBypass (leakage bypass active)
6
SwitchCylOpt; Cylinder area (A1/A2)
7
CtrlLimited; Control limit reached
8
RampTargetReached; Ramp target reached
9
CylValvePos; Valve switch positive cylinder direction
10
CylValveNeg; Valve switch negative cylinder direction
11
ValveOpt1; Valve switch option 1
12
ValveOpt2; Valve switch option 2
13
InWindow; Setpoint window reached
14 - 15
unused
Table 7.63: Hydraulic status word: What the bits mean, expand the table