Moog ACV with CANopen bus interface
7 Servo valve functions
Pressure controller
B99224-DV018-D-211, Rev. A, October 2018
182
7.5.17 Alpha correction
The alpha correction can be used to compensate the area differences between side A and side B of a differ-
ential cylinder. The alpha factor is only effective, if the pressure demand value <DemandValue> (0x6390) is
greater than zero.
Chapter "7.5.10 Pressure transducer selection", page 172
Chapter "7.5.10.3 Object 0x585F[N]: Cylinder piston diameter", page 173
Chapter "7.5.10.4 Object 0x585D: Cylinder rod diameter A", page 173
Chapter "7.5.10.5 Object 0x585E: Cylinder rod diameter B", page 174
Figure 88: Alpha correction
7.5.18 Signal limitation 1
Signal limitation after the alpha correction.
Figure 89: Signal limitation 1
7.5.18.1 Object 0x230A[N]: Upper output limit
This parameter contains the upper limit of the limiter.
<CylinderPistonDiameter>
(0x585F)
<CylinderRodDiameterB>
(0x585E)
<CylinderRodDiameterA>
(0x585D)
<CylinderPistonDiameter>
(0x585F)
(
)
)
)
)
(
(
(
2
2
2
2
-
-
1.0
=0
>0
<DemandValue>
(0x6390)
<UpperOutputLimit>
(0x230A[N])
<LowerOutputLimit>
(0x230B[N])
ValvePressureControl
Index
Sub-index
Parameter name
Data type
Access
Per-
sistence
Value range
Default
0x230A
N=1…16
UpperOutputLimit
INT16
rw
Y
<LowerOutputLimit>
(0x230B)…32767
16384
