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Allen-Bradley controllogix 1756-L55M14 Manuals
Manuals and User Guides for Allen-Bradley controllogix 1756-L55M14. We have
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Allen-Bradley controllogix 1756-L55M14 manuals available for free PDF download: User Manual
Allen-Bradley controllogix 1756-L55M14 User Manual (186 pages)
ControlLogix Redundancy System
Brand:
Allen-Bradley
| Category:
Control Systems
| Size: 1.78 MB
Table of Contents
Table of Contents
5
How to Use this Manual
11
Purpose of this Manual
11
When to Use this Manual
11
Who Should Use this Manual
11
Related Documentation
12
Introduction
13
Chapter 1
14
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
27
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 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
Install the Remote Chassis or Rails
49
Publication 1756-UM523F-EN-P - December
49
Configure Ethernet/Ip Modules
50
Flash the Modules
51
Check the Installation
51
Actions
52
Chapter 4 Introduction
53
Open the SRM Configuration Tool
53
Before You Begin
54
Actions
54
What to Do Next
55
Check the Revision of Your SRM Configuration Tool
55
Before You Begin
55
Actions
56
Set the SRM Clock
56
Before You Begin
57
Actions
57
Test a Switchover
59
Before You Begin
59
Actions
59
Change Auto-Synchronization
61
Actions
61
Change Program Control
62
Before You Begin
62
Actions
63
Introduction
65
Chapter 5 Plan for Online Edits
65
Decide if You Want to Keep Test Edits after a Switchover
66
Be Aware that Finalizing Edits Removes Your Original Logic
67
Decide How You Want to Set Aside Unused Memory
67
Configure a Controller for Redundancy
68
Configure Communications
70
Configure Produced Tags
70
Configure Message (MSG) Instructions
72
Configure Tags for an HMI
73
Estimate the Crossload Time of a Program
74
Before You Begin
74
Actions
75
Minimize Scan Time
76
Maintain Data Integrity During a Switchover
82
Look for Array Shift Instructions
84
Look for Scan-Dependent Logic
84
Take Preventative Actions
85
Determine the Status of Your Redundant System
87
Actions
87
Example 1: Ladder Diagram
87
Example 2: Structured Text
87
Check Your Work
88
Additional Resources
88
Condition Logic to Run after a Switchover
89
Example 1: Ladder Diagram
89
Example 2: Structured Text
90
Send a Message to the SRM
91
Before You Begin
92
Actions
93
Download the Project to the Primary Controller
95
Schedule a Controlnet Network
97
Schedule a New Network
97
Update the Schedule of an Existing Network
98
Check the Keepers
99
Save the Project for each Controller
99
Set Task Watchdog Times
100
Chapter 6
103
Introduction
103
Diagnose a Switchover or Disqualification
104
Actions
104
Maintain and Troubleshoot the System
103
Then See this Section
104
Troubleshoot a Failure to Synchronize
105
Update a Keeper Signature
107
Before You Begin
107
Actions
107
Edit Sessions in Progress
108
Actions
108
Interpret the SRM Event Log
109
Before You Begin
110
Actions
110
Interpret SRM Events
113
Export the SRM Event Log
115
Before You Begin
115
Actions
116
Manually Synchronize the Chassis
118
Optimize Communication
119
Choose a Greater System Overhead Time Slice
120
Enter a System Overhead Time Slice
121
Make All Your Tasks Periodic
122
Adjust CPU Usage for a CNB Module
123
Check the Allocation of Unused Memory
123
Publication 1756-UM523F-EN-P - December
123
Four-Character Display
124
Use Rslinx Software
124
Send a Message to the CNB Module
126
Store or Load a Project Using Nonvolatile Memory
126
Store a Project to Nonvolatile Memory While a Process Is Running
128
Chapter 7 Introduction
129
Change CNB Modules from Series D to Series E While Online
129
Before You Begin
129
Actions
130
Update a Redundant Control System Offline
136
Update an Online Redundant System
138
Redundant System Relationships
139
Appendix A Introduction
147
Keep an HMI Communicating with the Primary Chassis
148
Install the Controllogix Redundancy Alias Topic Switcher Software
149
Configure a Driver to Communicate with the Primary and Secondary Ethernet/Ip Modules
150
Create a DDE/OPC Topic for each Controller
151
Create an Alias Topic
152
Set up the Alias Topic Switcher
153
Address the Alias Topic in the HMI Project
154
Keep a Message Going to the Primary Chassis
154
Create a Periodic Trigger for the Messages
155
Get the Redundancy State of Chassis a
156
Get the Redundancy State of Chassis B
157
Determine Which Chassis Is Primary
159
Send the Message to the Appropriate Controller
160
Appendix B Introduction
163
Convert Local Modules to Remote Modules
163
Reconfigure the Local I/O Modules
164
Replace Local I/O Tags
164
Replace any Aliases to Local I/O Tags
166
Appendix C Introduction
169
Attributes of the Redundancy Object
169
Appendix D Introduction
173
Losing Communication While Bridging Via a Series B Controlnet Bridge Module
173
Communication Stoppage While Using a Series B Controlnet Bridge Module
174
Appendix E Introduction
177
Redundant System Restrictions
177
Index
179
Index
180
Index
181
Rockwell Automation Support
186
Installation Assistance
186
New Product Satisfaction Return
186
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Allen-Bradley controllogix 1756-L55M14 User Manual (142 pages)
Brand:
Allen-Bradley
| Category:
Controller
| Size: 4 MB
Table of Contents
Table of Contents
5
About this Publication
9
Additional Resources
9
Who Should Use this Publication
9
Chapter 1 Introduction
11
Design
13
Install Hardware
13
Chapter 2 Introduction
15
Connect the Controller to Via the Serial Port
15
Configure the Serial Driver
17
Select the Controller Path
19
Chapter 3 Introduction
21
Ethernet/Ip Network Communication
22
Connections over an Ethernet/Ip Network
24
Additional Resources
25
Controlnet Network Communication
25
Connections over a Controlnet Network
27
Additional Resources
28
Devicenet Network Communication
28
Connections over Devicenet
30
Additional Resources
30
Serial Network Communication
31
Communicate with DF1 Devices
32
Communicate with ASCII Devices
34
Modbus Support
37
Network Communication
37
Additional Resources
41
DH+ Network Communication
41
Communicate over a DH+ Network
42
Universal Remote I/O Communication
43
Communicate over a Universal Remote I/O Network
44
Foundation Fieldbus
45
Additional Resources
45
HART (Highway Addressable Remote Transducer) Protocol
46
Additional Resources
46
Chapter 4 Introduction
47
Connection Overview
47
Additional Resources
47
Produce and Consume (Interlock) Data
48
Additional Resources
48
Publication 1756-UM001G-EN-P - January
48
Send and Receive Messages
49
Determine Whether to Cache Message Connections
49
Calculate Connection Use
50
Connections Example
52
Chapter 5
53
Introduction
53
Select I/O Modules
53
Additional Resources
53
Place Local I/O Modules
54
Additional Resources
54
Configure I/O
55
I/O Connections
56
Additional Resources
56
Configure Distributed I/O on an Ethernet/Ip Network
57
Additional Resources
57
Configure Distributed I/O on a Controlnet Network
58
Additional Resources
58
Configure Distributed I/O on a Devicenet Network
59
Additional Resources
59
Address I/O Data
60
Add 1756 I/O at Runtime
61
Controlnet I/O Considerations
61
Ethernet/Ip I/O Considerations
62
Determine When Data Is Updated
63
Reconfigure an I/O Module
64
Reconfigure a Module Via Rslogix 5000 Programming Software
64
Reconfigure an I/O Module Via a MSG Instruction
65
Place, Configure, and Monitor I/O Modules
53
Chapter 6 Introduction
67
Additional Resources
67
Manage Tasks
67
Developprograms
68
Define Tasks
69
Define Programs
70
Define Routines
70
Sample Controller Projects
71
Additional Resources
71
Organize Tags
72
Select a Programming Language
73
Add-On Instructions
73
Publication 1756-UM001G-EN-P - January
74
Additional Resources
75
Monitor Controller Status
75
Additional Resources
76
Monitor Connections
76
Any Device
76
Determine if Communication Has Timed out with a Specific I/O Module
77
Interrupt the Execution of Logic and Execute the Fault Handler
78
Select a System Overhead Percentage
79
Develop Applications
67
Configure Phasemanager
83
Introduction
83
Additional Resources
83
Phasemanager Overview
83
State Model Overview
85
How Equipment Changes States
86
Manually Change States
87
Compare Phasemanager to Other State Models
87
Minimum System Requirements
88
Equipment Phase Instructions
88
Chapter7
83
Chapter 8
89
Introduction
89
Make the Controller the CST Master
90
Multiple Controllers in the Chassis
90
Add the Motion Modules
91
Additional Information
92
Add SERCOS Interface Drives
93
Additional Resources
94
Set up each SERCOS Interface Module
95
Add the Motion Group
97
Add Your Axes
100
Set up each Axis
101
Check the Wiring of each Drive
104
Additional Resources
105
Tune each Axis
106
Additional Resources
107
Obtain Axis Information
108
Program Motion Control
109
Additional Resources
110
Develop Motion Applications
89
Chapter 9 Introduction
111
Additional Resources
111
Controllogix Redundancy Overview
111
Publication 1756-UM001G-EN-P - January
111
Build a Redundant System
113
System Considerations
114
Controlnet Considerations in Redundant Systems
114
Ethernet/Ip Considerations in Redundant Systems
115
IP Address Swapping
115
Redundancy and Scan Time
116
Minimum System Requirements
116
Chapter 10 Introduction
117
SIL 2 Overview
117
SIL 2 Application
118
Chapter 11 Introduction
119
Choose a Controller that Has Nonvolatile Memory
120
Prevent a Major Fault During a Load
120
Use a Compactflash Reader
121
Additional Resources
121
Chapter 12 Introduction
123
Check if the Battery Is Low
124
Estimate 1756-BA1 Battery Life
124
Estimate 1756-BA2 Battery Life
126
(1756-L6X Series B Controllers Only)
126
Estimate Warning Time
127
Maintain a 1756-BATM Battery Module
128
Check the BAT LED Indicator
128
Store Batteries
129
Additional Resources
129
Appendix A Introduction
131
Index
135
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