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Solid-State Devices Used in Industrial Logic Circuits

• INTRODUCTION: Objectives and Overview
• RELAY LOGIC
  • Terms for Relays
  • Types of Relays
  • Voltage Ratings for Coils and Contacts
  • Troubleshooting Relay Coils and Contacts
• TYPICAL LOGIC CIRCUITS
  • Identifying Inputs and Logic in the Circuit
  • Relay Ladder Logic
• RELAY LOGIC USED TO CONTROL A PNEUMATIC CYLINDER
• USING RELAY LOGIC TO DETERMINE ROBOT PROGRAM FOR INSERTING STUDS INTO TAILLIGHTS FOR AUTOMOBILES
  • Understanding the Relay Logic
• SOLID-STATE DEVICES USED FOR LOGIC
  • Transistor Equivalent to AND and OR Circuits
• SOLID-STATE LOGIC BLOCKS
  • Early Examples of Logic Gates
  • Programmable Logic Arrays
  • Programmable Array Logic (PAL)
  • Programmable Logic Controllers
• SOLID-STATE LOGIC EQUIVALENT TO THE MERCURY COUGAR TAIL-LIGHT ASSEMBLY CIRCUIT
  • Operation of the Solid-State Logic Circuit
• CONNECTING INPUTS TO SOLID-STATE DEVICES
• OUTPUTS FOR LOGIC CIRCUITS
• SOLID-STATE RELAYS
  • Features of SSRs
• A COMPARISON OF SOLID-STATE LOGIC AND RELAY LOGIC
  • Strengths and Weaknesses of Solid-State Logic Devices
  • Strengths and Weaknesses of Relays
• SOLID-STATE AND RELAY LOGIC CIRCUITS TO CONTROI PART BINS FOR ROBOTIC AUTOMATED WORK CELLS
• Operation of the Relay Logic for Parts Bin Level Control
• QUIZ
• SAMPLE JOB ASSIGNMENT

Open- and Closed-Loop Feedback Systems

• Introduction
• Parts of a Typical Control System
  • Example from Automotive Industry
• A Typical Open-Loop System
  • Manual Mode and Auto Mode
  • An Example of a Sump Pump Control
  • On-Off Control
  • Adding Differential Gap (Dead Band) to the Sump Pump Application
  • Automating the Sump Pump Application
• Single-Point Process Controller
  • Operating a Controller in Manual and Auto Modes
• Bumpless Transfer
• Valve Positioning System to Control Water Level in a Tank
• How Fast Controllers Will Change the Output
• Understanding Gain, Reset, and Rate
  • Using Gain for Control
  • Problems with Using Only Gain for Control
  • Using a Gain-Only Controller
• Adding Offset (Bias)
  • Problems with Adding Bias Manually
• Industrial System that uses Gain and Reset: An Example
  • Using Values for Integral Action
  • Reset Action
• Adding Derivative (Rate) to the Formula
  • Rate Action
  • Other Effects of Derivatives
• Proportional and Derivative Control (PD)
• Proportional Band
• Example: Ratio Control For On/Off Heating Contactor
• Types of System Response
• Tuning the Controller
  • Determining Gain, Reset, and Rate (PID) in Manual Mode
  • PID Values from Process Gain, Dead Time, and Time Constant
  • Determining PID Values for Slower-Responding Systems
  • Determining PID Values in Automatic (Closed-Loop) Mode
• Adjusting Gain, Reset, and Rate After a System Has Been Running
• Process Alarms and Deviation Alarms
  • Inner and Outer Alarm Bands
  • Statistical Process Control
• Advanced Closed Loops
  • Cascaded Loops
  • Operation of the Cascade Controller
• Example: Servo Applications
  • A simple Analog Servo-Positioning System
  • Closed-Loop Velocity and Positioning Control of a Servomotor
• Quiz

Programmable Logic Controllers (PLC)

• PLC -- Study Objectives
• Overview of Programmable Logic Controllers
• An Example of a Programmable Controller Application
• Scanning a PLC Program When it's in The Run Mode
• Equating the PLC with Traditional Solid-State Logic
• Features of the Programmable Controller
• Operation of Programmable Controllers
• Addresses for Inputs and Outputs for the SLC 100
• Example Input and Output Instructions for the SLC 100
• Using the SLC 100 to Control a Batch and Heat-Treating Process: Making Carbon Brushes
• Inputs and Outputs for the Carbon Brush Process System
• Operation of the Heat-Treating Part of the System
• Using Timers to Stage the Electric Heat
• Counter Operation in a PLC
• Timing and Counting Values Beyond 9999
• Sequencers Used to Control the Batch Mixing for the Carbon Brush Application
• Other Sequencer Functions
• Circuits for Input and Output Modules
• Wiring Input Switches and Output Devices to the PLC
• Analog Input Modules
• Master Control Reset and Zone Control Last State
• Using the Hand-Held Programmer
• Advanced Instructions Found in Larger PLCs
• Typical Problems a Technician will Encounter with PLCs
• Addressing Other Allen-Bradley PLCs
• Documenting a PLC Program with Software
• Sample PLC Job Assignment
• Quiz

Industrial Robotics and CNC

• Objectives
• Overview of Industrial Robots
• Types of Industrial Robots
• Cylindrical Robots
• Rectilinear Robots
• Spherical Robots
• Jointed Spherical (Articulated Arm) Robots
• Types of Industrial Robot Control
• Point-to-Point Robot Control
• Continuous-Path Control
• XYZ Control
• Positive-Stop Control
• Types of Industrial Robot Programs
• Point-to-Point and XYZ Programs
• Continuous-Path Programs
• Positive-Stop Programs and PLC Programs
• BASIC Programs and C Programs
• Computer Numerical Control (CNC) Machines
• Basic Parts of Industrial Robot Systems
• Power Supply
• Controllers and Teach Pendants
• Axis Control Module
• Amplifiers, Motors, and Feedback Sensors
  • DC Amplifiers
  • AC Amplifiers
  • Acceleration and Deceleration of AC and DC Servomotors in Robots
• Positional Feedback Loop and Velocity Feedback Loop
• Other Types of Robot Actuators
• Hydraulic Actuators
• Pneumatic Actuators
  • Stop Blocks for Pneumatic Robot
• Comparison of Industrial Robot Actuators
• Input and Output Signals for Industrial Robots
• Input Circuits for Industrial Robot Signals
• Output Circuits for Industrial Robot Signals
• Input and Output Modules
• Industrial Robots Used In Typical Work Cells And Manufacturing Cells
• Automotive Welding Line
• Loading and Unloading Bonding Machines
• Robotic Painting Cells
• Industrial Robotics Review
• Example: In-The-Field Job Assignment
• Industrial Robotics Quiz

Electricians

• The Importance of Electricians
• Top Electrician Jobs
• A Look at Electrician Schools
• A Look at Electrician Training
• An Electrician's Tools
• Getting Your Electrician License
• Essential Electrician Services

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