Burkert Type 8635 - Manual (Page 32)

30 - 8635
S
YSTEM
D
ESCRIPTION
(PROFIBUS PA)
Functional diagram of the SIDE Control (PROFIBUS PA)
connected to a control valve with single-acting diaphragm
actuator
NOTE In the case of Integral attachment of the SIDE Control (PROFIBUS PA) to a Bürkert
continuous valve, the position sensor is situated outside the SIDE Control (PROFI-
BUS PA) on the actuator and is connected to the latter with a cable.
SIDE Control
(PROFIBUS PA)
Position
sensor
External position
setpoint via
PROFIBUS PA
Pressure
supply
Exhaust
air
Actual position
Positioner
Positioning system
pressurize
exhaust
Lever
mecha-
nism
Pneumatic
actuator
(single-acting)
Valve
(actuator)