Document Outline

• Important User Information
• Summary of Changes
  • Firmware Revision History
• Table of Contents
• Preface
  • Who Should Use This Manual
  • Purpose of This Manual
    • Related Documentation
  • Common Techniques Used in This Manual
• Chapter 1
• Hardware Overview
  • Hardware Features
  • Component Descriptions
    • MicroLogix 1200 Memory Module and/or Real-time Clock
    • 1762 Expansion I/O
  • Communication Cables
  • Program the Controller
  • Communication Options
• Chapter 2
• Install Your Controller
  • Required Tools
  • Agency Certifications
  • Compliance to European Union Directives
    • EMC Directive
    • Low Voltage Directive
  • Installation Considerations
  • Safety Considerations
    • Hazardous Location Considerations
    • Disconnect Main Power
    • Safety Circuits
    • Power Distribution
    • Periodic Tests of Master Control Relay Circuit
  • Power Considerations
    • Isolation Transformers
    • Power Supply Inrush
    • Loss of Power Source
    • Input States on Power Down
    • Other Types of Line Conditions
  • Prevent Excessive Heat
  • Master Control Relay
    • Use Emergency-Stop Switches
    • Schematic (Using IEC Symbols)
    • Schematic (Using ANSI/CSA Symbols)
  • Install a Memory Module or Real-time Clock
  • Controller Mounting Dimensions
  • Controller and Expansion I/O Spacing
  • Mount the Controller
    • DIN Rail Mounting
    • Panel Mounting
  • 1762 Expansion I/O Dimensions
  • Mount 1762 Expansion I/O
    • DIN Rail Mounting
    • Mount on Panel
  • Connect Expansion I/O
• Chapter 3
• Wire Your Controller
  • Wire Requirements
    • Wire without Spade Lugs
    • Wire with Spade Lugs
  • Use Surge Suppressors
    • Recommended Surge Suppressors
  • Ground the Controller
  • Wiring Diagrams
    • Terminal Block Layouts
    • Terminal Groupings
  • Sinking and Sourcing Wiring Diagrams
    • 1762-L24AWA, 1762-L24BWA, 1762-L24BXB, 1762-L24AWAR, 1762-L24BWAR and 1762-L24BXBR Wiring Diagrams
    • 1762-L40AWA, 1762-L40BWA, 1762-L40BXB, 1762-L40AWAR, 1762-L40BWAR and 1762-L40BXBR Wiring Diagrams
  • Controller I/O Wiring
    • Minimize Electrical Noise
  • Expansion I/O Wiring
    • Discrete Wiring Diagrams
    • Analog Wiring
      • System Wiring Guidelines
      • 1762-IF2OF2 Input Type Selection
      • 1762-IF2OF2 Output Type Selection
      • 1762-IF2OF2 Wiring
      • 1762-IF4 Input Type Selection
      • 1762-OF4 Output Type Selection
      • 1762-OF4 Terminal Block Layout
      • 1762-OF4 Wiring
• Chapter 4
• Communication Connections
  • Introduction
  • Supported Communication Protocols
  • Default Communication Configuration
  • Use the Communications Toggle Push Button
  • Connect to the RS-232 Port
    • Make a DF1 Point-to-Point Connection
    • Use a Modem
    • Isolated Modem Connection
      • Construct Your Own Modem Cable
      • Construct Your Own Null Modem Cable
    • Connect to a DF1 Half-duplex Network
  • Connect to a DH-485 Network
    • Recommended Tools
    • DH-485 Communication Cable
    • Connect the Communication Cable to the DH-485 Connector
      • Single Cable Connection
      • Multiple Cable Connection
    • Ground and Terminate the DH-485 Network
      • End-of-Line Termination
  • Connect the AIC+
    • Cable Selection Guide
      • 1761-CBL-PM02 Series C (or equivalent) Cable Wiring Diagram
    • Recommended User-supplied Components
    • Safety Considerations
    • Install and Attach the AIC+
    • Apply Power to the AIC+
      • Power Options
  • DeviceNet Communications
    • Cable Selection Guide
• Chapter 5
• Use Trim Pots
  • Trim Pot Operation
    • Trim Pot Information Function File
    • Error Conditions
• Chapter 6
• Use Real-time Clock and Memory Modules
  • Real-time Clock Operation
    • Removal/Insertion Under Power
    • Write Data to the Real-time Clock
    • RTC Battery Operation
  • Memory Module Operation
    • User Program and Data Back-up
    • Program Compare
    • Data File Download Protection
    • Memory Module Write Protection
    • Removal/Insertion Under Power
• Appendix A
• Specifications
  • Controller Specifications
  • Expansion I/O Specifications
    • Discrete I/O Modules
      • Relays Used vs. Maximum Current per Relay (24V dc) 1762-OX6I
    • Analog Modules
    • Combination Module DC-Input/Relay Output
• Appendix B
• 1762 Replacement Parts
  • MicroLogix 1200 RTB Replacement Kit
• Appendix C
• Troubleshoot Your System
  • Interpret LED Indicators
    • Normal Operation
    • Error Conditions
  • Controller Error Recovery Model
  • Analog Expansion I/O Diagnostics and Troubleshooting
    • Module Operation and Channel Operation
    • Power-up Diagnostics
    • Critical and Noncritical Errors
    • Module Error Definition Table
      • Module Error Field
      • Extended Error Information Field
      • Hardware Errors
      • Configuration Errors
    • Error Codes
  • Call Rockwell Automation for Assistance
• Appendix D
• Use Control Flash to Upgrade Your Operating System
  • Prepare for Upgrade
    • Install ControlFlash Software
    • Prepare the Controller for Updating
      • Controller Configuration
  • Sequence of Operation
  • Missing/Corrupt OS LED Pattern
• Appendix E
• Connect to Networks via RS-232 Interface
  • RS-232 Communication Interface
  • DF1 Full-duplex Protocol
    • Example DF1 Full-duplex Connections
  • DF1 Half-duplex Protocol
    • Example DF1 Half-duplex Connections
    • Use Modems with MicroLogix 1200 Programmable Controllers
  • DH-485 Communication Protocol
    • Devices that use the DH-485 Network
    • Important DH-485 Network Planning Considerations
      • Hardware Considerations
      • Number of Devices and Length of Communication Cable
      • Planning Cable Routes
      • Software Considerations
      • Number of Nodes
      • Setting Node Addresses
      • Setting Controller Baud Rate
      • Setting Maximum Node Address
    • Example DH-485 Connections
      • DH-485 Network with a MicroLogix 1200 Controller
      • Typical 3-Node Network
      • Networked Operator Interface Device and MicroLogix Controllers
      • MicroLogix Remote Packet Support
  • Modbus Communication Protocol
  • ASCII
• Appendix F
• System Loading and Heat Dissipation
  • System Loading Limitations
    • System Current Loading Example Calculations (24-point Controller)
    • Validate the System
  • System Loading Worksheet
    • Current Loading
    • System Current Loading Example Calculations (40-point Controller)
      • Validate the System
  • System Loading Worksheet
    • Current Loading
  • Calculating Heat Dissipation
• Glossary
• Index
  • Numerics
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • L
  • M
  • N
  • O
  • P
  • R
  • S
  • T
  • U
  • W