Electro-pneumatics and Automation
Authored by Joji Parambath
This book explains the functioning of single and double solenoid valves and various electrical control components such as pushbuttons, electro-magnetic releys, limit switches, reed switches, proximity sensors, timers, preset counters, and pressure switches. Many typical single-actuator and complex multiple-actuator electro-pneumatic circuits are also developed to illustrate various applications of electro-pneumatics.
Control Task: Cylinder A extends and brings a job under the stamping cylinder B. Cylinder B then extends and stamps the job. Cylinder A can return only after cylinder B has retracted fully. An electro-pneumatic control circuit has to be developed for realizing the control task.
Control task in Notational Form
Figure (a) | Notational form of representation of the pneumatically-controlled stamping device
[Note: The electro-pneumatic circuits below are extracted from the textbook on ‘Electro-pneumatics and Automation’ authored by Joji Parambath. For the explanation of solution in cascade method for this control task and more complicated electro-pneumatic circuits, please refer to the textbook.]
Circuit position for A+
Circuit position for B+
Circuit Position for B-
Circuit Position for A-
Joji Parambath
Trainer / Author
Fluidsys Training Centre Pvt Ltd
Bangalore, India
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