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Publication 1756-UM523F-EN-P - December 2006
Table of Contents
Preface
Purpose of this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Who Should Use this Manual. . . . . . . . . . . . . . . . . . . . . . . . 11
When to Use This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . 11
How to Use this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Related Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Chapter 1
ControlLogix Redundancy System
Overview
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
About the Main Parts of a Redundant System . . . . . . . . . . . . 14
Firmware Combinations That Make Up a Redundant System . 14
Important Terms in a Redundant System . . . . . . . . . . . . . . . 15
Primary Chassis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Switching from One Controller to Another . . . . . . . . . . . . . . 15
Network Access Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Bump in Outputs During a Switchover. . . . . . . . . . . . . . . . . 16
Keep the Second Controller Up to Date . . . . . . . . . . . . . . . . 16
Making Online Edits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Increasing Scan Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Network Addresses During a Switchover . . . . . . . . . . . . . . . 18
ControlNet Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
EtherNet/IP Network . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Quick Start Checklists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Chapter 2
Design the System
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Laying Out the System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Placement of a Pair of Redundant Chassis . . . . . . . . . . . . . . 30
If You Need More Than 100 Meters Between Chassis . . . 30
Placement of the I/O. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Placement of Operator Interface Terminals. . . . . . . . . . . . . . 32
Additional Redundant Components . . . . . . . . . . . . . . . . . . . 33
Redundant ControlNet Media . . . . . . . . . . . . . . . . . . . . . 33
Redundant Power Supplies. . . . . . . . . . . . . . . . . . . . . . . 34
Checking Connection Requirements. . . . . . . . . . . . . . . . . . . 35
Planning a ControlNet Network . . . . . . . . . . . . . . . . . . . . . . 35
Planning an EtherNet/IP Network . . . . . . . . . . . . . . . . . . . . 38
Worksheet for IP Swapping . . . . . . . . . . . . . . . . . . . . . . 39
How an EtherNet/IP Module Handles a Cable Break . . . . 40
Additional Design Considerations . . . . . . . . . . . . . . . . . . . . 41
Chapter 3
Install the System
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Preliminary Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Install the Chassis for the Controllers . . . . . . . . . . . . . . . . . . 45
Install Modules in the First Redundant Chassis . . . . . . . . . . . 46
Install Modules in the Second Redundant Chassis . . . . . . . . . 48
Summary of Contents for 1756-CNB/E
Page 4: ...Publication 1756 UM523F EN P December 2006 Summary of Changes 4 Notes...
Page 10: ...Publication 1756 UM523F EN P December 2006 10 Table of Contents...
Page 26: ...Publication 1756 UM523F EN P December 2006 26 ControlLogix Redundancy System Overview Notes...
Page 42: ...Publication 1756 UM523F EN P December 2006 42 Design the System Notes...
Page 64: ...Publication 1756 UM523F EN P December 2006 64 Configure the System Redundancy Module Notes...
Page 102: ...Publication 1756 UM523F EN P December 2006 102 Configure and Program the Controller Notes...
Page 146: ...Publication 1756 UM523F EN P December 2006 146 Update Modules and Redundant Systems Notes...
Page 168: ...Publication 1756 UM523F EN P December 2006 168 Convert an Existing System to Redundancy Notes...
Page 178: ...Publication 1756 UM523F EN P December 2006 178 Redundant System Restrictions Notes...
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