Burkert 8630 - Functional Diagram as a Positioner with Single-Acting Actuator

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