Moniteur 50 Series SMART Positioners - Manual (Page 23)

Design and Method of Operation
2-5
Positioner SIPART PS2/SIPART PS2 PA
C79000-G7476-C150–01
up
down
up
down
up
down
up
down
down down
up up
up
down
Undefined
Y1
Y1
Y2
Y1
Y1
Y2
Y1
Y1
Y2
Y1
Y1
Y2
Open Closed
Closed Closed
Open Open
Open
Closed
Undefined
Actuator type
On rotary actuators
the counter–clock-
wise direction of ro-
tation – looking at
the actuating shaft of
the valve – is defined
as “open”
.
Open Closed
up down
Open Closed
Open Closed
Open Closed
Positioning
pressure
Connection
Safety position after auxiliary power failure
electrical pneumatic
Fig. 2-4 Pneumatic connection and positioning action