Document
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SLC 500 Instruction Set
Catalog Numbers 1747-L20x, 1747-L30x, 1747-L40x, 1747-L511, 1747-L514, 1747-L524, 1747-L531, 1747-L532, 1747-L533, 1747-L541, 1747-L542, 1747-L543, 1747-L551, 1747-L552, 1747-L553
Reference Manual
Important User Information
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Solid state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls, publication SGI-1.1, available from your local Rockwell Automation sales office or online at http://www.literature.rockwellautomation.com), 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 persons responsible 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 variables and 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.
WARNING
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
Identifies 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 consequences.
ATTENTION
SHOCK HAZARD
Labels may be located on or inside the equipment (for example, drive or motor) to alert people that dangerous voltage may be present.
BURN HAZARD
Labels may be located on or inside the equipment (for example, drive or motor) to alert people that surfaces may be dangerous temperatures.
Publication 1747-RM001G-EN-P - November 2008
Summary of Changes
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The information below summarizes the changes to this manual since the last printing. To help you find new and updated information in this release of the manual, we have included change bars as shown next to this paragraph. The table below lists the sections that document new features and additional or updated information about existing features.
For This Information Addition of a powerup error to Table 16.1. Revision of the company name from "Allen-Bradley" to "Rockwell Automation".
See Page 16-4 G-1
1
Publication 1747-RM001G-EN-P - November 2008
2
Summary of Changes
Notes:
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Publication 1747-RM001G-EN-P - November 2008
Table of Contents
www.DataSheet4U.com Preface
Who Should Use This Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Purpose of This Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Related Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Common Techniques Used in This Manual . . . . . . . . . . . . . . . . . . . .
P-1 P-1 P-2 P-2
Chapter 1 Processor Files
File Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Output and Input Data Files (Files O0: and I1:) . . . . . . . . . . . . . 1-2 Status File (File S2:) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Bit Data File (B3:) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Timer Data File (T4:). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Addressing Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Counter Data File Elements (C5:). . . . . . . . . . . . . . . . . . . . . . . . . 1-6 Entering Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 Addressing Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 Control Data File (R6:) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8 Integer Data File (N7:) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10 Float Data File (F8:). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
Chapter.