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Allen-Bradley ControlLogix User Manual
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1756-6.5.3 - December 1999
8-24
PLC-5C to Logix5550 Cont
roller: Scheduled Commu
nications
125
127
Table of Contents
Preface Using this Manual
5
User Manual
1
How to Use this Manual
5
Using this Manual
5
Table of Contents
5
Who Should Use this Manual
5
About the Example Applications
6
System Components
7
Common Techniques Used in this Manual
8
Rockwell Automation Support
9
Where to Find more Information
9
Table of Contents
11
Default Chapter
15
Module Versions
15
Before You Go any Further
15
What this Chapter Contains
15
Module Features
16
Support for up to 64 Bidirectional Connections
16
Bridging Unscheduled Data
17
Understanding the Producer/Consumer Model
18
Processing Produced and Consumed Tags
19
Control of Scheduled I/O Communications
20
Understanding the Control and Information Protocol
20
Understanding the Network Keeper
21
Network Update Time (NUT)
21
Requested Packet Interval (RPI)
21
Actual Packet Interval (API)
22
Rack Optimized and Direct Connections
22
Default Parameters
24
Chapter 1 Chapter 2
25
What this Chapter Contains
25
Installing the 1784-KTCX15 Communication Interface Card
26
Configuring the 1784-KTCX15 Card
27
Installing the Controllogix Modules
29
Connecting the Controlnet Network
31
Installing the PLC-5C Controllers
33
Required Software
34
Chapter 3
35
About the Example Application
35
Set up the Example Application
35
Create the Example Application
36
Create the Controller Tags for the Write Message Program
37
Create the Write Message Ladder Program
38
Download and Run the Program
40
Test the Example Application
40
Create the Controller Tags for the Test Program
41
Download the Test Program
43
Test the Communications
44
Chapter 4 Logix5550 to Logix5550 Controller: Scheduled Communication
45
About the Example Application
45
Set up the Example Application
45
Create the Producer Application
46
Create the Producer Tags
47
Create the Producer Ladder Program
49
Download to the Producer
49
Configure the Consumer Logix5550 Controller
50
Add the Producer to the I/O Configuration of the Consumer
50
Create the Consumer Tags
56
Download to the Consumer
59
Schedule the Network Using Rsnetworx for Controlnet
60
Verify the Network Properties
61
3. Click on Ok.
62
Default Chapter
64
Test the Communications
64
Chapter 5
65
About the Example Application
65
Set up the Example Application
65
Change Your System Configuration to that Shown below
65
Slot 0 1
65
Create the Example Application
66
Create the Controller Tags for the Write Message Program
67
Create the Write Message Ladder Program
68
Download the Write Message Program
70
Click on OK
70
Test the Example Application
71
About the Example Application
73
Chapter 6
73
Set up the Example Application
73
Create the Logix5550 Producer Application
74
Create the Producer Tags
75
Create the Producer Ladder Program
77
Download and Run the Program
78
Schedule the Network Using Rsnetworx for Controlnet
79
Verify the Network Properties
81
Survey the Network for Connected Devices
82
From Selection Menu, Select Survey Network
82
Configure the PLC-5C to Receive Scheduled Messages
83
Rsnetworx for Controlnet will Survey the Network for Connected
83
To that Shown below
83
From the Network Menu, Select Save as
85
Test the Communications
86
About the Example Application
91
Chapter 7
91
Set up the Example Application
91
Create the Example Application
92
Create the PLC-5C Program
93
Download the PLC-5C Program
95
Test the Example Application
97
Create the Controller Tags for the Logix5550 Controller
98
Download the Logix5550 Program
100
Verify the Message
101
About the Example Application
103
Chapter 8
103
Set up the Example Application
103
Configure the Network Using Rsnetworx for Controlnet
104
Verify the Network Properties
106
Survey the Network for Connected Devices
107
Configure the PLC-5C Processor
108
Configure the Consumer Logix5550 Controller
111
Add the Producer to the I/O Configuration
112
Create the Consumer Tags
115
Download the Logix5550 Program
119
Create the Producer Application
120
Create the PLC-5C Program
121
Download the PLC-5C Program
121
Schedule the Network
124
Verify the Message
125
About the Example Application
127
Chapter 9
127
Set up the Example Application
127
Create the Example Application
128
Controlnet Networks Create the Example Application
128
Create the Ladder Program
129
Download the Program
131
Test the Example Application
132
Chapter 10 Controlling I\/O over a Controlnet Network
135
About the Example Application
135
Create the Example Application
136
Controlnet Network Set up the Example Application
136
Add the Local CNB Module to the I/O Configuration
137
Add the Remote CNB Module to the I/O Configuration
138
Add the Remote I/O Modules to the I/O Configuration
141
Edit the Controller Tags
145
Create the Ladder Logic Program
146
Download the Program
146
Set up the Example Application
136
Schedule the Network Using Rsnetworx for Controlnet
147
Verify the Network Properties
149
Survey the Network for Connected Devices
150
Schedule the Network and Save the Configuration
151
Test the Example Application
152
Chapter 11 Adding an I\/O Chassis to an Existing Controlnet Network
153
Default Chapter
153
About the Example Application
153
Create the Example Application
154
Existing Controlnet Network Set up the Example Application
154
Add the Second Remote 1756-CNB Module to the I/O Configuration
155
Add the Remote Analog I/O Module to the I/O Configuration
157
Edit the Controller Tags
161
Modify the Ladder Program
162
Download the Program
162
Set up the Example Application
154
Schedule the Network Using Rsnetworx for Controlnet
163
Verify the Network Properties
165
Survey the Network for Connected Devices
166
Schedule the Network and Save the Configuration
167
Test the Example Application
168
Adding 1756-CNB Modules to Expand the Network
169
Chapter 12
171
Module Status Indicator and Display
171
Controlnet Network Status Indicators
173
How the Controllogix System Uses Connections
175
What this Appendix Contains
175
Appendix A
175
Determining Connections for I/O Modules
176
Direct Connections for I/O Modules
176
Rack Optimized Connections for I/O Modules
177
Combining Direct and Rack Optimized Connections
179
Determining Connections for Produced and Consumed Tags
180
Connections for Produced Tags
180
Optimizing Produced Tags
181
Connections for Consumed Tags
181
Determining Connections for Messaging
182
Determining Total Connection Requirements
183
Appendix B
185
Produced Tags
185
What this Appendix Contains
185
Consumed Tags
187
Consuming a Tag from a Controlnet PLC-5 Processor to a Logix5550 Controller
189
Producing a Tag from a Logix5550 Controller to a Controlnet PLC-5 Processor
189
Specifying Electronic Keying
191
Appendix D Communications Path
193
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Allen-Bradley ControlLogix Specifications
General
Brand
Allen-Bradley
Model
ControlLogix
Category
Industrial Electrical
Language
English
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