Moog ACV with CANopen bus interface
7 Servo valve functions
Spool position controller
B99224-DV018-D-211, Rev. A, October 2018
154
7.3.2 Dual stage servo valve for open loop control
Control structure of a dual stage servo valve open loop control.
Figure 69: Dual stage servo valve for open loop control
7.3.3 Dual stage servo valve for closed loop control
Control structure of a dual stage servo valve closed loop control.
Figure 70: Dual stage servo valve for closed loop control
Pilot spool position
controller
T
P
B
A
X Y
s
u
s
u
Main stage spool
position actual
value path
<ActualValuePilot>
(0x3301)
Pilot spool position
actual value path
<ExternalLVDTActualValue>
(0x3235)
<SplActualValue>
(0x6301)
<ControllerOutput>
(0x2158)
Actual value
transducer
interface
Pilot spool position
controller
T
P
B
A
<ExternalLVDTActualValue>
(0x3235)
<SplActualValue>
(0x6301)
X Y
s
u
s
u
Main stage spool
position actual
value path
Main stage spool
position controller
<C
on
tr
ol
le
rOu
tpu
t>
(0
x2
158)
<ActualValuePilot>
(0x3301)
Pilot spool position
actual value path
Actual value
transducer
interface
