PLC5 Addressing Reference Manual

PLC5 Addressing Reference Manual - Allen-Bradley 1785 PLC-5...

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Addressing Reference Manual 1785 PLC-5 Programmable Controllers Allen-Bradley
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2 Because of the variety of uses for the products described in this publication, those responsible for the application and use of this control equipment must satisfy themselves that all necessary steps have been taken to assure that each application and use meets all performance and safety requirements, including any applicable laws, regulations, codes and standards. The illustrations, charts, sample programs and layout examples shown in this guide are intended solely for purposes of example. Since there are many variables and requirements associated with any particular installation, Allen-Bradley does not not assume responsibility or liability (to include intellectual property liability) for actual use based upon the examples shown in this publication. Allen-Bradley publication SGI–1.1, Safety Guidelines for the Application, Installation, and Maintenance of Solid-State Control (available from your local Allen-Bradley office), describes some important differences between solid-state equipment and electromechanical devices that should be taken into consideration when applying products such as those described in this publication. Reproduction of the contents of this copyrighted publication, in whole or in part, without written permission of Allen-Bradley company, Inc., is prohibited. Throughout this manual we use notes to make you aware of safety considerations. ATTENTION: Identifies information about practices or circumstances that can lead to personal injury or death, property damage or economic loss. Attention statements help you to: identify a hazard avoid the hazard recognize the consequences Important: Identifies information that is critical for successful application and understanding of the product. Important User Information
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i Summary of Changes This release of the publication contains new and revised information. To help you find this information, we have included change bars as shown to the left of this paragraph. For This Specific Revised Information Refer to: updated product and documentation references throughout this manual updated status file description page 6 New Information
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1 Addressing for 1785 PLC-5 Processors This addressing reference guide helps you specify the address in a 1785 PLC-5 data table. This reference contains: For This Subject: Refer to: a memory map page 2 general format for direct logical ASCII addressing page 4 logical addressing for I/O image tables page 5 logical addressing for the I/O status file page 6 logical addressing for ASCII, binary, decimal, floating-point, and integer files page 9 addressing structured data page10 A 1785 PLC-5 processor may include the following processors: PLC-5/10 t PLC-5/11 t PLC-5/12 t PLC-5/15 t PLC-5/20 t PLC-5/25 t PLC-5/30 t PLC-5/40 t PLC-5/40L t PLC-5/60 t PLC-5/60L t PLC-5/80 t For more information about the specific contents of the various sections of memory, consult the: PLC programmer, who assigns specific data items to specific memory locations
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This note was uploaded on 03/21/2012 for the course EE 369 taught by Professor Khan during the Fall '10 term at Mohawk College.

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PLC5 Addressing Reference Manual - Allen-Bradley 1785 PLC-5...

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