Document Outline

• Front Cover - System Design for Control of Electrical Noise
• Important User Information
• Table of Contents
• Preface
  • Who Should Use this Manual
  • Purpose of this Manual
  • Contents of this Manual
  • Related Documentation
  • Conventions Used in this Manual
• Chapter 1 - Electrical Noise Control Overview
  • Chapter Objectives
  • What is Electrical Noise?
  • Understanding the Need for Electrical Noise Control
    • CE Compliance
    • Best Practices
  • Noise Control Basics
    • Noise Sources
    • Noise Victims
  • Coupling Mechanisms
    • Conducted Noise
    • Capacitance
    • Mutual Inductance
    • Electromagnetic Radiation
  • Solutions for Reducing Noise
  • Implementation
  • Measuring Effectiveness
• Chapter 2 - High Frequency (HF) Bonding
  • Chapter Objectives
  • Understanding the Source of Electrical Noise
    • Noise Example 1
    • Noise Example 2
    • The Ground Plane Principle
    • Extending the Ground Plane Principle
    • Grounding a PCB to the Drive Chassis
  • Noise Solutions Using the Ground Plane Principle
    • Grounding to the Component Mounting Panel
    • Doors
    • Adjacent Panels
    • Grid and Raised Floor
    • Mezzanine Floor
    • Machine Structure
    • New Buildings
    • Existing Buildings
    • Limits
  • Grounding (Safety Earth)
• Chapter 3 - Segregating Sources and Victims
  • Chapter Objectives
  • Understanding the Segregation Concept
    • Noise Zones
    • Ensuring CE Compliance at Build Time
  • Zone Classification
    • Component Categories
  • Routing Wires and Cables Within a Panel
    • Wire and Cable Categories
  • Routing System Wires and Cables Between Panels
• Chapter 4 - Shielding Wires, Cables, and Components
  • Chapter Objectives
  • Understanding the Shielding Concept
  • Ferrite Sleeves
    • Ferrite Sleeve Limitations
  • Mixing Categories
• Chapter 5 - Filtering Noise
  • Chapter Objectives
  • Understanding the Filtering Concept
    • Commercial AC Line Filters for Low Voltage Circuits
    • General Purpose 0-24V ac/dc Filters
  • Filter Performance
    • Performance Test Set-up
    • Test Results
  • Ultrasonic Transducers
  • Xenon Flashing Beacons (strobe lights)
  • AC Line Filters
    • Earth Leakage/Ground Fault
• Chapter 6 - Contact Suppression
  • Chapter Objectives
  • Understanding Contact Suppression for AC Circuits
    • Methods of AC Contact Suppression
  • Understanding Contact Suppression for 24V dc Circuits
    • Methods of DC Contact Suppression
  • Contact Suppression Effects
• Chapter 7 - Power Distribution
  • Chapter Objectives
  • Understanding Noise in Power Wiring
  • Three-Phase Power Supplies
    • Line Filters
    • Transformers
  • Single Phase Power Supplies
  • 24V dc Power Supplies
    • 24V dc Distribution
    • 24V dc PSU Zoning Methods
    • Linear PSU
    • Special Applications for 24V dc PSUs
• Chapter 8 - Motor Wiring
  • Chapter Objectives
  • Understanding Noise in Motor Power Wiring
  • Shielding Motor Power Cables
  • Grounding Motor Power Cable Shields
  • Applying Ferrite Sleeves
  • Splicing Motor Power Cables
  • Handling Excess Cable
  • Installing Long Motor Cables
• Chapter 9 - High Speed Registration Inputs
  • Chapter Objectives
  • Understanding Registration Inputs
  • Noise Reduction Methods
    • Wiring
    • Power
    • Shared Power Supply
    • Dedicated Power Supply
    • Detection Device Mounting
    • Proximity Switches
  • Signal Noise Filter Options
    • Single Voltage Input (24V or 5V)
    • Dual Voltage Inputs (24V or 5V)
  • Registration Error
    • Error Compensation
    • Software Solutions
• Chapter 10 - Encoders
  • Chapter Objectives
  • Understanding Encoders
  • Noise Reduction Methods
    • Driver Type
    • Wiring
    • Power
    • Mounting
  • Power Supply Wiring Options
• Chapter 11 - Measuring Noise Reduction Effectiveness
  • Chapter Objectives
  • Understanding Noise Measurement
  • Methods for Measuring Noise
  • Measuring Noise
    • Oscilloscope Specifications
    • Oscilloscope Settings for Measuring Noise Peaks
    • E-Field Sniffing Method
    • H-Field Sniffing Method
    • Direct Voltage Measurement Method
    • Grounding Your Probe (reference ground)
    • Ground Loops
    • Differential Measurements
    • Scope Probe Lead Extension
    • Checking Your Method for Effectiveness
    • Identifying the Noise Source
    • Intermittent Noise
  • General Guidelines for Measuring Noise
    • What are Acceptable Noise Levels?
    • Field Strength Meters
    • Monitoring for Noise
• Appendix A - Noise Control Supplement
  • Chapter Objectives
  • Grounding Cable Shields
    • Pigtails
    • Clamping at the Circular Section
  • Wire Segregation Test Results
    • Test Set-up
    • Results
    • Conclusions
  • Switch-Mode DC Power Supplies
    • Background Information
    • Grounding the Common
    • DC Filtering
    • Positioning the PSU within the Panel
    • AC Line Filters
    • Using Separate DC Power Supplies
  • Using a Dynamic Braking Contactor
    • Reducing Dynamic Braking Circuit Noise
  • Bonding Surfaces
    • Wire Forms an Antenna
    • Inductance
  • Noise Checklist
• Appendix B - EMC Product Suppliers
• Index
• Back Cover