Burkert Type 8696 - Manual (Page 16)

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