Design and Functional Principle
21
SIPART PS2 Manual
A5E00074631--06
up
down
up
down
up
down
up
down
Safety position after power failure
electrical
pneumatic
Down
Down
Up
Up
Down
Up
Y1
Y1
Y2
Y1
Y1
Y2
Y1
Y1
Y2
Y1
Y1
Y2
Open
Closed
Closed
Closed
Open
Open
Closed
Open
Last position
(before power
failure)
Actuator type
Positioning
pressure
Connection
In part-turn actuators the
direction of rotation
counterclockwise looking
onto the actuating shaft of
the valve is usually defined
as “Open”.
Open
Closed
up
down
Open
Closed
Open
Closed
Open
Closed
Last position
(before power
failure)
Figure 2-6
Pneumatic connection positioning
Summary of Contents for SIPART PS2 6DR50 Series
Page 40: ...Design and Functional Principle 40 SIPART PS2 Manual A5E00074631 06 Table 2 1 Scopetuator ...
Page 88: ...Preparing for Operation 88 SIPART PS2 Manual A5E00074631 06 ...
Page 96: ...Operation 96 SIPART PS2 Manual A5E00074631 06 Figure 4 6 Parameter table of the positioner ...
Page 144: ...Operation 144 SIPART PS2 Manual A5E00074631 06 ...
Page 160: ...Appendix 160 SIPART PS2 Manual A5E00074631 06 ...