The on demand edition of the Motor Control textbook is available at AMAZON (book #172452450X)

-OR- at any wholesaler of your choice_____ISBN-10: 172452450X_____ISBN-13: 978-1724524508

Paperback: 170 pages-----Language: English-----Product Dimensions: 7 x 10 inches

table of contents of motor control from the original publisher

Chapter 1 - Tools 3 Screwdrivers 3 Pliers 6 Hammers 7 Wrenches 8 Cutters and Knives 8 Strippers and Crimpers 9 Levels 10 Exercise 1.1 Stripping Wire 13 Exercise 1.2 Crimping Wire 16

Chapter 2 · Safety and ON-OFF Circuits 23 Fire 23 LOTO 26 Some Definitions 28 Circuit Is Shut Off Twice 30 Lock Out 30 Tag Out 30 Lock Out, Tag Out 30 Real World Circuits Should Be Shut Off Four Times 31 PPE 32 Electrical Symbols 32 Symbols in the Electrical World 33 Switches 33 Contacts and Switches with Flags 35 Coils and Loads 39 Overcurrent Protection and Disconnects 41 Miscellaneous 42 Symbols in the Electronic World 44 Solid State Diode 44 SCR 44 Triac 44 LED 44 NPN Transistor 44 PNP Transistor 45 Regular Resistor 45 Pot 45 Photo-Eye 45 Chassis Ground 45 Earth Ground 45 Conductors 46 Double Meanings 46 L1 L2 L3 (power diagrams and schematics) 46 L1 L2 (control diagrams and schematics) 47 T1 T2 T3 (power diagrams and schematics) 47 Phases 48 Single Phase 48 Exercise 2.1 50

Chapter 3 · Electrical Troubleshooting and Manual Motor Starter Circuits 53 Percentages 53 A Satisfied Customer 54 Low Cost 54 Quick Turnaround 55 1-800-Number Troubleshooting 55 (1) Is It On or Off? 55 (2) Fuses and Circuit Breakers 56 (3) Visual Inspection and/or Smell 56 (4) Bad Terminations 57 (5) Ohm Meter Work 57 (6) Volt Meter and Ammeter Work 57 (7) The Tough Stuff 58 Exercise 3.1 59

Chapter 4 · Overcurrent Protection and Automatic Control Circuits 61 Current and People (Touching Hazard) 61 15 ma 62 150 ma 62 1.5 amps 62 15 amps 63 vi Contents Current and Devices (Flash and Explosion Hazard) 63 .5 amps 63 5 amps 63 50 amps 64 500 amps 64 5,000 amps 64 50,000 amps 64 Residential and Office Space Current Safety Considerations 65 Industrial Current Safety Considerations 65 Industrial Overcurrent Protection and Time 66 Automatic Control Circuits 67 Exercise 4.1 68

Chapter 5 · Ohm Meter Testing 69 Continuity 69 Solenoid Test 70 Open 70 Short 70 Value 71 Leakage 71 Test for Switches and Relay Contacts 72 Practice Makes Perfect 72 Exercise 5.1 74 Mechanical Operation 74 Modified Solenoid Test 74 Open 75 Short 75 Value 76 Leakage 76

Chapter 6 · Start-Stop Pushbutton Circuits (Latch-Unlatch) 79 Three Wire Control Circuit 79 No and Low Voltage Protection Circuit 80 Latch-Unlatch (Latching) 80 N.O. vs. Open and N.C. vs. Closed 84 Exercise 6.1 86 Reed Relays 86 Control Relays 86 Contents vii Power Relays 87 Contactors 87 Motor Starters 87

Chapter 7 · Solid State Switches 89 Proximity Detectors 89 Photoeyes 91 Retro Reflective 92 Diffuse 92 Thru Beam 93 Convergent 94 Light Dark Operate 94 Multiple Hookup Details of Solid State Switching 94 Exercise 7.1 96 Exercise 7.2 97 Exercise 7.3 98

Chapter 8 · Wye and Delta 99 Three Phase Transformers 99 Wye 99 Delta 101 Three Phase Motors 103 Single Phase Transformers 107 Single Phase Motors 108 K Factor 109 Exercise 8.1 110 Exercise 8.2 111

Chapter 9 · Time Delays 113 On Delay 113 Off Delay 114 One Shot 116 Other Time Delays 117 PLC Timers 118 Exercise 9.1 119 Exercise 9.2 120 Exercise 9.3 121 viii Contents

Chapter 10 · Three Phase Reversing and Interlocking Starters 123 Mechanical Interlocking 123 Electrical Interlocking 124 PLC Interlocking 125 Power Circuit 126 Overloads 126 Fixed Mechanical and Thermal Overload Protection 127 Adjustable Mechanical and Thermal Overload Protection 127 Adjustable Solid State Overload Protection 128 Exercise 10.1 129 Exercise 10.2 130 Exercise 10.3 131

Chapter 11 · Variable Frequency Drives (VFDs) 133 VFD 133 L1, L2, and L3 134 Converter (AC to DC section) 135 DC Filter (DC bus section) 135 Inverter (DC to AC section) 135 T1, T2, and T3 136 Low Voltage Control Strip 136 24 VAC Control (HVAC) 136 0–10 Volt DC Analog Control 137 0–5 Volt DC Analog Control 137 5 Volt DC Digital Control 137 4–20 ma. DC Analog Control 137 4–20 ma. DC Digital Control 137 Installation Issues (Small Terminals) 137 Installation Issues (Confusing Lingo) 138 Installation Issues (Whiskers) 138 Installation Issues (Wrong Voltage) 138 Installation Issues (Wrong Parameters) 139 Installation Issues (Bad Plant Input Power Circuit Voltage Levels) 140 Exercise 11.1 141 Exercise 11.2 143 Contents ix

Chapter 12 · Servos and Intermediate Troubleshooting 145 Resolvers and Synchros 145 Encoders 146 Stepper Motors 147 Servo Motors 147 Intermediate Troubleshooting 147 Using Voltmeters 149 Using Ammeters 150 Using Meggers 151 Using Rotation Meters 151 Using Oscilloscopes 152 In Conclusion 152 Appendix 155 Selected Component Pictures — 2 Views 155

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