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Siemens SIPART PS2 6DR52xx User Manual

Page 24

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Design and Functional Principle

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SIPART 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

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