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Logix5000 Controllers General Instructions
Catalog Numbers 1756 ControlLogix, 1768 CompactLogix, 1769 CompactLogix, 1789 SoftLogix, 1794 FlexLogix, PowerFlex 700S with DriveLogix Reference Manual

Important User Information
Solid state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines for the Application, Installation andMaintenance of Solid State Controls (publication SGI-1.1 available from your local Rockwell Automation sales office or online at describes some important differences between solid state equipment and hard-wired electromechanical devices. Because of this difference, and also because of the wide variety of uses for solid state equipment, all personsresponsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable. In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment. The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variablesand requirements associated with any particular installation, Rockwell Automation, Inc. cannot assume responsibility or liability for actual use based on the examples and diagrams. No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits, equipment, or software described in this manual. Reproduction of the contents of this manual, in whole or in part,without written permission of Rockwell Automation, Inc., is prohibited. Throughout this manual, when necessary, we use notes to make you aware of safety considerations.

Identifies information about practices or circumstances that can cause an explosion in a hazardous environment, which may lead to personal injury or death, property damage, or economic loss.

IMPORTANT ATTENTIONIdentifies information that is critical for successful application and understanding of the product.

Identifies information about practices or circumstances that can lead to personal injury or death, property damage, or economic loss. Attentions help you identify a hazard, avoid a hazard, and recognize the consequence


Labels may be on or inside the equipment, for example, adrive or motor, to alert people that dangerous voltage may be present.

Labels may be on or inside the equipment, for example, a drive or motor, to alert people that surfaces may reach dangerous temperatures.

Allen-Bradley, Rockwell Automation, Rockwell Software, RSLogix5000, ControlLogix, CompactLogix, SoftLogix, FlexLogix, DriveLogix, PowerFlex 700S, FactoryTalk, FactoryTalkAlarms and Events, Logix5000, SLC, MicroLogix, PLC-2, PLC-3, PLC-5, PhaseManager, FactoryTalk View SE, RSLinx Enterprise, RSView, RSLogix Emulate 5000, SoftLogix 5800, and TechConnect are trademarks of Rockwell Automation, Inc. Trademarks not belonging to Rockwell Automation are property of their respective companies.

Summary of Changes

Introduction New Information

The release of thisdocument contains new information.

New information is marked by change bars in the side column, as shown to the right.
Section Where to Find an Instruction Chapter 3 Chapter 4 Changes The locator section has been updated to include Logix instructions from the Motion Coordinate System User Manual. New timer diagrams for the TON, TOF, and RTO instructions. Supported data types are defined for message(MSG) configuration and procedures for the Broadcast button on the Message Configuration Dialog Box. GSV/SSV object attributes are listed. Updated information for the Bit Shift Left (BSL) and Bit Shift Right (BSR) instructions. When PID control variables (MAXO, MINO) are set to equal they will reset to default values. Delete instruction is correctly defined.

Chapter 9 Chapter 13 Chapter 18...
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