28
EB 8310-1 EN
Mounting and start-up
5.2 Connecting the signal pressure
5.2.1
Type 3271‑5
Version with fail-safe action "actuator stem
extends" (FA)
Î
Connect the signal pressure to the bottom
signal pressure connection (S). See
Fig. 5.
The signal pressure is routed to the bot-
tom diaphragm chamber and moves the
actuator stem (A7) upward opposing the
spring force.
Version with fail-safe action "actuator stem
retracts" (FE)
Î
Connect the signal pressure to the top
signal pressure connection (S).
The signal pressure is routed to the top
diaphragm chamber and moves the ac-
tuator stem (A7) downward opposing the
spring force.
A2.4
A2.5
A2.9
A2.4
A2.5
A2.6
A2.7
A2.8
A2.4
Symbol
A2.5
Marking for signal pressure input
A2.6
With left attachment
A2.7
With right attachment
A2.8
Seal with filter
A2.9
Signal pressure connection
Actuator stem extends
Left
attachment
Right
attachment
Actuator stem
extends
retracts
Switchover plate
Connecting plate
Actuator stem retracts
Left
attachment
Right
attachment
Fig. 8:
Switchover plate and connecting plate in Type 3277-5
Содержание 3271-5
Страница 11: ...EB 8310 1 EN 11 Markings on the device...
Страница 19: ...EB 8310 1 EN 19 Design and principle of operation...
Страница 23: ...EB 8310 1 EN 23 Preparation...
Страница 37: ...EB 8310 1 EN 37 Operation A51 Stem connector A60 Handwheel A60 A51 Fig 11 Type 3271 5 Actuator with handwheel...
Страница 45: ...EB 8310 1 EN 45 Malfunctions...
Страница 51: ...EB 8310 1 EN 51...