Page 11 - Mechatronics with Experiments

CONTENTS ix
9.2 Hardware Components of 10.6.2 Web Tension Control
PLCs 697 Using Electronic
9.2.1 PLC CPU and I/O Gearing 738
Capabilities 697 10.6.3 Smart Conveyors 741
9.2.2 Opto-isolated 10.7 Problems 747
Discrete Input and
Output Modules 701 CHAPTER 11 LABORATORY
9.2.3 Relays, Contactors, EXPERIMENTS 749
Starters 701
11.1 Experiment 1: Basic Electrical
9.2.4 Counters and Timers 704
9.3 Programming of PLCs 705 Circuit Components and
9.3.1 Hard-wired Seal-in Kirchoff’s Voltage and
Circuit 708 Current Laws 749
9.4 PLC Control System Objectives 749
Applications 709 Components 749
9.4.1 Closed Loop Theory 749
Temperature Control Procedure 751
11.2 Experiment 2: Transistor
System 709
9.4.2 Conveyor Speed Operation: ON/OFF Mode
and Linear Mode of Operation 754
Control System 710
Objectives 754
9.4.3 Closed Loop Servo
Components 754
Position Control
Theory 754
System 711
Procedure 756
9.5 PLC Application Example:
11.3 Experiment 3: Passive
Conveyor and Furnace Control 712
First-Order RC Filters: Low
9.6 Problems 714
Pass Filter and High Pass Filter 758
Objectives 758
Components 758
CHAPTER 10 PROGRAMMABLE
Theory 758
MOTION CONTROL SYSTEMS 717
Procedure 760
10.1 Introduction 717 11.4 Experiment 4: Active
10.2 Design Methodology for PMC First-Order Low Pass Filter
Systems 722 with Op-Amps 762
10.3 Motion Controller Hardware Objectives 762
and Software 723 Components 762
10.4 Basic Single-Axis Motions 724 Theory 762
10.5 Coordinated Motion Control Procedure 765
Methods 729 11.5 Experiment 5: Schmitt Trigger
10.5.1 Point-to-point With Variable Hysteresis
Synchronized Motion 729 using an Op-Amp Circuit 766
10.5.2 Electronic Gearing Objectives 766
Coordinated Motion 731 Components 766
10.5.3 CAM Profile and Theory 767
Contouring Procedure 768
Coordinated Motion 734 11.6 Experiment 6: Analog PID
10.5.4 Sensor Based Control Using Op-Amps 770
Real-time Objectives 770
Coordinated Motion 735 Components 770
10.6 Coordinated Motion Theory 770
Applications 735 Procedure 774
10.6.1 Web Handling with 11.7 Experiment 7: LED Control
Registration Mark 735 Using the PIC Microcontroller 775
Objectives 775
Components 776