bürkert TopControl Basic 8696 Bedienungsanleitung Seite 16

5.5.3 functional diagram of the positioner with single-acting
actuator
The displayed functional diagram describes the function of the positioner (Type 8696).
External
position
set-point value
Figure 4: Function diagram
16
Actual
position
Positioner
Position
measuring
system
Pneumatic
actuator
(single-acting)
Valve
(actuator)
english
Type 8696
Systemdescription
Position
controller
Control system
1: Aeriation valve
Control system
2: Bleed valve
1
2
Pressure
supply
Exhaust air