X.control - Burkert 8630 Operating Instructions Manual

X.control

Parameters setting for the positioner
Deadband of the positioner
Enter the deadband in % ( 0 = automatic)
This function ensures that the postioner acts only then a selected control difference is measured (Fig. 6.14). This function
protects the servovalve and pneumatic actuator by controlling the start-up frequency.
Parameter of the position controller
End of the parametering of the positioner. Return to X.CONTRL
Position setpoin
Fig. 6.14: Deadband by position control
108
Proportional factor for the positioner (to close the valve)
Proportional factor for the positioner (to open the valve)
Control
difference
Xd1
Actual
position
Factory setting: 1 %
Xd1'
Xd1
DBND
to the controller
Xd1'
Operating instructions no. 800607