Allen-Bradley ControlLogix User Manual

1756-6.5.3 - December 1999
Table of Contents
Chapter 1
ControlNet
Communication Basics
What This Chapter Contains. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Module Versions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Before you go any further . . .. . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Module Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Support for up to 64 Bidirectional Connections. . . . . . . . . . . 1-2
Bridging Unscheduled Data . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Understanding the Producer/Consumer Model . . . . . . . . . . . . . . 1-4
Processing Produced and Consumed Tags . . . . . . . . . . . . . . . 1-5
Control of Scheduled I/O Communications . . . . . . . . . . . . . . 1-6
Understanding the Control and Information Protocol . . . . . . . . . 1-6
Understanding the Network Keeper . . . . . . . . . . . . . . . . . . . . . . . 1-7
Network Update Time (NUT) . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Requested Packet Interval (RPI). . . . . . . . . . . . . . . . . . . . . . . 1-7
Actual Packet Interval (API) . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Rack Optimized and Direct Connections . . . . . . . . . . . . . . . . 1-8
Default Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Chapter 2
Installing the
ControlNet Network
What this Chapter Contains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Installing the 1784-KTCX15 Communication Interface Card . . . 2-2
Configuring the 1784-KTCX15 Card. . . . . . . . . . . . . . . . . . . 2-3
Installing the ControlLogix Modules . . . . . . . . . . . . . . . . . . . . . . 2-5
Connecting the ControlNet Network . . . . . . . . . . . . . . . . . . . . . . 2-7
Installing the PLC-5C Controllers . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Required Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Chapter 3
Logix5550 to Logix5550
Controller: Unscheduled
Messaging
About the Example Application . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Set Up the Example Application . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Create the Example Application. . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Create the Controller Tags for the Write Message Program . 3-3
Create the Write Message Ladder Program . . . . . . . . . . . . . . 3-4
Download and Run the Program . . . . . . . . . . . . . . . . . . . . . . 3-6
Test the Example Application . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Create the Controller Tags for the Test Program . . . . . . . . . . 3-7
Download the Test Program. . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Test the Communications. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Chapter 4
Logix5550 to Logix5550
Controller: Scheduled
Communication
About the Example Application . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Set Up the Example Application . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Create the Producer Application. . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Create the Producer Tags . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Create the Producer Ladder Program . . . . . . . . . . . . . . . . . . . 4-5
Download to the Producer . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5

Allen-Bradley ControlLogix Specifications

General

Communication	EtherNet/IP, ControlNet, DeviceNet, DH+
I/O Capacity	Up to 128, 000 I/O points (varies by configuration)
Redundancy	Supported (with specific modules)
Programming Software	Rockwell Automation Studio 5000 Logix Designer
Operating Temperature	0°C to 60°C (32°F to 140°F)
Programming Languages	Ladder Logic, Function Block Diagram, Structured Text, Sequential Function Chart
Modularity	Yes
Certifications	UL, CE
Processor Type	Multiple options available, including standard, safety, and extreme environment processors
Power Supply	Multiple options available, including standard and redundant power supplies with various voltage ranges (e.g., 24V DC, 120/240V AC)