bürkert TopControl Basic 8694 Schnellstartanleitung Seite 17

Pilot air outlet 2
1
Pilot air outlet 2
2
Fastening screws
max. 0.5 Nm
Upper pilot air port
Lower pilot air port
Fig. 7: Installing the pneumatic connection to actuator, series 26xx and
27xx
→
Make the pneumatic connection between the positioner and
actuator with the "Tab. 2: Pneumatic connection to actuator".
"In rest position" means that the pilot valves of the positioner
Type 8694 are isolated or not actuated.
14
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Example ∅ 80,
CFA
english
Type 8694
Installation
control function a (cfa)
Process valve closed in rest position (by spring force)
Actuator size
Pilot air outlet
Upper pilot air port
Lower pilot air port
Dry area
control function B (cfB)
Process valve open in rest position (by spring force)
Actuator size
Pilot air outlet
Upper pilot air port
Lower pilot air port
Dry area
Tab. 2: Pneumatic connection to actuator
∅ 80, ∅ 100
∅ 125
2 2 2 2
2 1 2 1
∅ 80, ∅ 100
∅ 125
2 2 2 2
2 1 2 1