Electropneumatic Positioner Part Manual

Design and Functional Principle
24
SIP ART PS2 Manual
A5E00074631--06
Figure 2-10, page 25 shows the block diagrams for single- and double-
acting actuators with the linear actuator as an example.
.
NOTE
The exhaust air valve is always open when there is no current.
Figure 2-9 Method of operation five-point switch