1756-PM003H-EN-E, SFC and ST Programming Languages ...

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Important User Information 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.ab.com/manuals/gi) 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 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. ATTENTION 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 • recognize the consequence SHOCK HAZARD Labels may be located on or inside the drive to alert people that dangerous voltage may be present. BURN HAZARD Labels may be located on or inside the drive to alert people that surfaces may be dangerous temperatures.
Preface Purpose of this Manual This manual contains excerpts from Logix5000 Controllers Common Procedures, publication 1756-PM001H-EN-P and Logix5000 Controllers General Instructions Reference Manual, publication 1756-RM003H-EN-P. This manual provides information on: • Sequential Function Chart (SFC) programming language • Structured Text (ST) programming language • Jump to Subroutine (JSR), Subroutine (SBR), and Return (RET) instructions needed to access SFC and ST logic The term Logix5000 controller refers to any controller that is based on the Logix5000 operating system, such as: • CompactLogix controllers • ControlLogix ® controllers • FlexLogix controllers • PowerFlex® 700S with DriveLogix controllers • SoftLogix5800 controllers Who Should Use this Manual This manual is intended for those individuals who program applications that use Logix5000 controllers, such as: • software engineers • control engineers • application engineers • instrumentation technicians When to Use this Manual Use this manual when you perform these actions: • develop the basic code for your application • modify an existing application • perform isolated tests of your application As you integrate your application with the I/0 devices, controllers, and networks in your system: • Refer to the user manual for your specific type of controller. • Use this manual as a reference, when needed. 1 Publication 1756-PM003H-EN-E - August 2005
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