Moog ACV Series - Dual Stage Servo Valve for Closed Loop Control; Dual Stage Servo Valve for Open Loop Control; Figure 69: Dual Stage Servo Valve for Open Loop Control; Figure 70: Dual Stage Servo Valve for Closed Loop Control

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
 Chapter 7.3.5
 Chapter 7.3.4
 Chapter 7.3.6
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
<ControllerOutput>
(0x2158)
<ActualValuePilot>
(0x3301)
Pilot spool position
actual value path
Actual value
transducer
interface
 Chapter 7.3.8  Chapter 7.3.5
 Chapter 7.3.4
 Chapter 7.3.6