Allen-Bradley 1756-RM2XT Manuals

Manuals and User Guides for Allen-Bradley 1756-RM2XT. We have 1 Allen-Bradley 1756-RM2XT manual available for free PDF download: User Manual

Allen-Bradley 1756-RM2XT User Manual

Allen-Bradley 1756-RM2XT User Manual (296 pages)

ControlLogix Enhanced Redundancy System

Brand: Allen-Bradley | Category: Control Systems | Size: 10.37 MB

Table of Contents

Table of Contents
5
Additional Resources
13
Features of the Controllogix Enhanced Redundancy System
16
Chapter 1 Enhanced Redundancy System Components

17
Chapter 2

28
Chapter 3 Enhanced Redundancy System Quick Start

51
Chapter 4 Requested Packet Interval

77
Configure the Ethernet/Ip Network

77
- Chapter 5
  
  93
Configure the Controlnet Network

93
- Chapter 6
  
  105
  - About the Redundancy Module Configuration Tool (RMCT)
    105
  - Determine if Further Configuration Is Required
    106
  - Use the RMCT
    107
    
    Identify the RMCT Version
    109
    
    Update the RMCT Version
    110
  - Module Info Tab
    111
  - Configuration Tab
    113
    
    Auto-Synchronization
    114
    
    Chassis ID
    115
    
    Enable User Program Control
    115
    
    Redundancy Module Date and Time
    115
  - Synchronization Tab
    116
    
    Commands in the Synchronization Tab
    117
    
    Recent Synchronization Attempts Log
    118
  - Synchronization Status Tab
    119
  - Event Log Tab
    120
    
    Event Classifications
    121
    
    Access Extended Information about an Event
    123
    
    Interpret an Event's Extended Information
    124
    
    Export Event Log Data
    124
    
    Clear a Fault
    129
  - System Update Tab
    130
    
    System Update Commands
    131
    
    System Update Lock Attempts
    134
    
    Locked Switchover Attempts
    135
  - System Event History
    136
    
    Edit a User Comment for a System Event
    137
    
    Save System Event History
    137
  - Using Dual Fiber Ports with the 1756-RM2/A Redundancy Module
    138
    
    Fiber Channel Switchover
    138
    
    Configuration
    138
    
    Monitoring and Repair
    139
Configure the Redundancy Modules

105
- Chapter 7
  
  141
  - Configure the Redundant Controller
    141
  - Crossloads, Synchronization, and Switchovers
    144
    
    Changing Crossload and Synchronization Settings
    144
    
    Default Crossload and Synchronization Settings
    145
    
    Recommended Task Types
    145
    
    Continuous Task after Switchover
    145
    
    Multiple Periodic Tasks
    147
  - Crossloads and Scan Time
    149
    
    Estimate the Crossload Time
    149
    
    Redundancy Object Attributes for Crossload Times
    150
    
    Equation for Estimating Crossload Times
    151
  - Program to Minimize Scan Times
    152
    
    Redundancy Module
    152
    
    Use Multiple Controllers
    152
    
    Minimize the Number of Programs
    153
    
    Manage Tags for Efficient Crossloads
    154
    
    Use Concise Programming
    157
  - Program to Maintain Data Integrity
    159
    
    Array (File)/Shift Instructions
    159
    
    Scan-Dependent Logic
    160
  - Program to Optimize Task Execution
    163
    
    Specify a Larger System Overhead Time Slice
    164
    
    Change the System Overhead Time Slice
    166
    
    Use Periodic Tasks
    167
  - Program to Obtain System Status
    168
  - Program Logic to Run after a Switchover
    170
  - Use Messages for Redundancy Commands
    171
    
    Verify User Program Control
    171
    
    Use an Unconnected Message
    171
    
    Configure the MSG Instruction
    172
  - Set the Task Watchdog
    175
    
    Minimum Value for the Watchdog Time
    177
  - Download the Project
    177
  - Store a Redundancy Project to Nonvolatile Memory
    178
    
    Remote Program Mode
    179
    
    Store a Project While a System Is Running
    181
    
    Load a Project
    182
  - Online Edits
    182
    
    Support for Partial Import Online
    182
    
    Plan for Test Edits
    183
    
    Finalize Edits with Caution
    186
    
    Reserve Memory for Tags and Logic
    187
Program the Redundant Controller

141
- Chapter 8
  
  189
  - Tasks to Monitor the System
    189
  - Controller Logging
    189
    
    Controller Log
    190
    
    Controller Logging in Enhanced Redundancy Systems
    190
  - Use Programming to Monitor System Status
    190
  - Verify Date and Time Settings
    191
  - Verify System Qualification
    192
    
    Check Qualification Status Via Module Status Displays
    192
    
    Check Qualification Status Via the RMCT
    194
  - Conduct a Test Switchover
    195
    
    Synchronization after a Switchover
    196
  - Check the Controlnet Module Status
    197
    
    CPU Usage
    198
    
    Connections Used
    198
    
    Monitor the Controlnet Network
    198
Monitor and Maintain an Enhanced Redundancy System

189
- Chapter 9
  
  199
Troubleshoot a Redundant System

199
- Appendix A Redundancy Module Status Indicators
  
  227
- Appendix B before You Begin
  
  239
- Appendix D
  
  268
- Appendix E
  
  278
- Appendix F
  
  278
  - Remote I/O Checklist
    278
  - Redundancy Module Checklist
    278
  - Controllogix Controller Checklist
    279
  - Controlnet Checklist
    279
  - Ethernet/Ip Module Checklist
    280
  - See Chapter
    280
  - Project and Programming Checklist
    281

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