control_components.pdf

Basics of Control Components

Siemens Technical Education Program - STEP

Siemens Energy & Automation, Inc.

Table of Contents

Introduction...............................................................................2

Control.Circuits..........................................................................4

Electrical.Symbols.....................................................................6

Line.Diagrams......................................................................... 16

Overload.Protection.................................................................21

Manual.Control........................................................................32

Magnetic.Contactors.and.Starters..........................................38

Contactor.and.Starter.Ratings.................................................43

Class.14.NEMA.Starters..........................................................46

SIRIUS.Type.3R.Starters..........................................................47

Multi-Speed.Starters...............................................................49

Reversing.Starters...................................................................52

Reduced-Voltage.Starting........................................................54

Lighting.and.Heating.Contactors.............................................60

Pilot.Devices............................................................................62

Control.Transformers............................................................... 71

Control.Relays.........................................................................72

Solid-State.Switching.Devices................................................. 76

Monitoring.Relays...................................................................78

Time.Relays.............................................................................79

Additional.Devices...................................................................83

LOGO!.Logic.Module..............................................................85

Fast.Bus.Busbar.Adapter.System............................................87

Review.Answers.....................................................................89

Final.Exam...............................................................................90

quickSTEP.Online.Courses......................................................96

Introduction

Welcome.to.another.course.in.the.STEP.series,. S iemens.

T echnical. E ducation. P rogram,.designed.to.prepare.our.

distributors.to.sell.Siemens.Energy.&.Automation.products.

more.effectively..This.course.covers. Basics of Control

Components .and.related.products.

Upon.completion.of.Basics.of.Control.Components.you.will.be.

able.to:

•.

State.the.purpose.and.general.principles.of.control.

components.and.circuits

•.

State.the.difference.between.manual.and.automatic.

control.operation

•.

Identify.various.symbols.which.represent.control.

components

•.

Read.a.basic.line.diagram

•.

Describe.the.construction.and.operating.principles.of.

manual.starters

•.

Describe.the.construction.and.operating.principles.of.

magnetic.contactors.and.magnetic.motor.starters

•.

Identify.various.manual.starters.and.magnetic.motor.

starters.and.describe.their.operation.in.a.control.circuit

•.

Explain.the.need.for.motor.overload.protection

•.

Describe.typical.motor.starting.methods

•.

Explain.the.need.for.reduced-voltage.motor.starting

•.

Describe.the.construction.and.operating.principles.of.

lighting.and.heating.contactors.

•.

Describe.the.operating.principles.of.control.relays

This.knowledge.will.help.you.better.understand.customer.

applications..In.addition,.you.will.be.better.prepared.to.discuss.

electrical.products.and.systems.with.customers..You.should.

complete. Basics of Electricity .before.attempting. Basics of

Control Components .

If.you.are.an.employee.of.a.Siemens.Energy.&.Automation.

authorized.distributor,.fill.out.the.final.exam.tear-out.card.and.

mail.in.the.card..We.will.mail.you.a.certificate.of.completion.if.

you.score.a.passing.grade..Good.luck.with.your.efforts.

Siemens.is.a.trademark.of.Siemens.AG..Product.names.

mentioned.may.be.trademarks.or.registered.trademarks.of.their.

respective.companies..Specifications.subject.to.change.without.

notice.

NEMA®.is.a.registered.trademark.and.service.mark.of.the.

National.Electrical.Manufacturers.Association,.Rosslyn,.VA.

22209.

Underwriters.Laboratories.Inc.®.and.UL®.are.registered.

trademarks.of.Underwriters.Laboratories.Inc.,.Northbrook,.IL.

60062-2096.

Other.trademarks.are.the.property.of.their.respective.owners.

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