Moog ACV with CANopen bus interface
7 Servo valve functions
Spool position (Q) / pressure (P) switchover
B99224-DV018-D-211, Rev. A, October 2018
189
7.6.3 Minimum criterion in both directions (switching mode 1)
If the <pQSwitchingMode> (0x586C) is set to 1 (minimum criterion in both directions), the following state ma-
chine is used to switch between spool position control and pressure control.
Figure 95: State machine used to switch between spool position control and pressure control
Spool position
control
Pressure
control
((spldem>0.0) and (spldem>cmpprsout) and (prsdem>0.0))
or
((spldem<0.0) and (spldem<cmpprsout) and (prsdem<0.0))
else
Value
Parameter
spldem
<SplDemandValue> (0x6310)
prsdem
<PrsDemandValue> (0x6390)
cmpprsout
<ControllerOutput> (0x2418)
