Burkert 8693 - Schematic representation of the positioner Type 8692

20
Installation
→ Establishthepneumaticconnectionbetweentype8692/8693
andtheactuator.
NOTE
Damage or malfunction due to ingress of dirt and moisture.
▶ TocomplywiththedegreeofprotectionIP65/IP67,connect
thepilotairoutletwhichisnotrequiredtothefreepilotairport
oftheactuatororsealwithaplug.
"Inrestposition"meansthatthepilotvalvesoftype8692/
8693 are isolated or not actuated.
If the ambient air is humid, a hose can be connected
betweenpilotairoutlet2
2
ofthepositioner/processcon-
trollerandtheunconnectedpilotairportoftheactuatorfor
controlfunctionAorcontrolfunctionB.
Asaresult,thespringchamberoftheactuatorissupplied
withdryairfromtheventductoftype8692/8693.
Control function Pneumatic connection type 8692, 8693
with actuator
Pilot air
outlet
types 8692
and 8693
Pilot air port actuator
A
Processvalve
closed in rest
position
(byspring
force)
2
1
lowerpilotairportofthe
actuator
2
2
shouldbeconnectedto
theupperpilotairportof
theactuator
B
Processvalve
open in rest
position
(byspring
force)
2
1
upperpilotairportofthe
actuator
2
2
shouldbeconnectedto
thelowerpilotairportof
theactuator
I
Processvalve
closed in rest
position
2
1
lowerpilotairportofthe
actuator
2
2
upperpilotairportofthe
actuator
Processvalve
open in rest
position
2
1
upperpilotairportofthe
actuator
2
2
lowerpilotairportofthe
actuator
Tab. 2: Pneumatic connection to actuator
english
Type 8692, 8693 REV.2