Functional Diagram As A Positioner With Single-Acting Actuator - Burkert 8630 Operating Instructions Manual

S D
YSTEM ESCRIPTION
Fuctional diagram as a positioner with single-acting actuator
Process
setpoint
external
position
setpoint
TOP Control Continuous
Pneumatic
actuator
(single-acting)
Valve
(actuator)
18 - 8630
Actual process value
Process Setpoint position
controller
Positioner
Actual
position
Positioning
system
Position
sensor
Positioning system
1: pressurizing valve
2: exhaust valve
Compressed air
supply
Exhaust air
Sensor
Actual process value
(flow rate, pressure, level,
temperature etc.)