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.S