Burkert Type 8630 User Manual
Page 20
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18 - 8630
S
YSTEM
D
ESCRIPTION
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.)
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