Electropneumatics Book

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  • Topic: Electricity, Relay, Alternating current
  • Pages : 206 (38579 words )
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  • Published : May 19, 2013
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G. Prede

D. Scholz

Electropneumatics
Basic Level

Order no. Description Designation Edition Graphics Editors Authors Translation Layout

091181 E.PNEUM.GS.LBH. D.LB-TP201-GB 01/2002 D. Schwarzenberger Dr. F. Ebel G. Prede, D. Scholz Williams Konzept & Text OCKER Ingenieurbüro

© Copyright by Festo Didactic GmbH & Co., D-73770 Denkendorf 2002 The copying, distribution and utilization of this document as well as the communication of its contents to others without expressed authorization is prohibited. Offenders will be held liable for the payment of damages. All rights reserved, in particular the right to carry out patent, utility model or ornamental design registrations. Parts of this training documentation may be duplicated, solely for training purposes, by persons authorised in this sense.

TP201 • Festo Didactic

1
Contents

Contents Preface

............................................................................................ 1 ............................................................................................ 4

Chapter 1 – Introduction ...................................................................... 5 1.1 Applications of pneumatics............................................................... 6 1.2 Basic control engineering terms ....................................................... 8 1.3 Pneumatic and electropneumatic controllers ................................. 14 1.4 Advantages of electropneumatic controllers .................................. 17

Chapter 2 – Fundamentals of electrical technology ........................ 19 2.1 Direct current and alternating current............................................. 20 2.2 Ohm's Law...................................................................................... 22 2.3 Function of a solenoid .................................................................... 24 2.4 Function of a capacitor ................................................................... 26 2.5 Function of a diode......................................................................... 27 2.6 Measurement in electrical circuits .................................................. 28

Chapter 3 – Components and assemblies in the electrical signal control section.................................... 35 3.1 Power supply unit ........................................................................... 36 3.2 Push button and control switches................................................... 37 3.3 Sensors for measuring displacement and pressure ....................... 39 3.4 Relays and contactors.................................................................... 49 3.5 Programmable logic controllers...................................................... 55 3.6 Overall structure of the signal processing part ............................... 56

Festo Didactic • TP201

2
Contents

Chapter 4 – Electrically actuated directional control valves ...........59 4.1 Functions ........................................................................................60 4.2 Construction and mode of operation...............................................62 4.3 Types and pneumatic performance data ........................................74 4.4 Performance data of solenoid coils.................................................83 4.5 Electrical connection of solenoid coils ............................................86

Chapter 5 – Developing an electropneumatic control system ........89 5.1 Procedure for developing a control system.....................................90 5.2 Project design procedure ................................................................92 5.3 Sample application: project design of a lifting device .....................96 5.4 Procedure for implementing the control system............................109

Chapter 6 – Documentation for an electropneumatic control system................................113 6.1 Function diagram...
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