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Allen-Bradley

MicroLogixt 1000 Programmable Controllers
(Bulletin 1761 Controllers)

User Manual

Important User Information
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 meetsall 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 assume responsibility or liability (to includeintellectual property liability) for actual use based on 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 intoconsideration 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: Identifies information about practices or circumstances that can lead to personalinjury or death, property damage, or economic loss.

Attention statements help you to:

• • •
Note

identify a hazard avoid the hazard recognize the consequences

Identifies information that is critical for successful application and understanding of the product.
SLC 500, SLC 5/01, SLC 5/02, SLC 5/03, SLC 5/04, MicroLogix, DTAM, DTAM Micro, PanelView, RediPANEL, Dataliner, DH+, and DataHighway Plus are trademarks of Rockwell Automation. PLC-2, PLC-5 are registered trademarks of Rockwell Automation. A.I. Series and WINtelligent LINX are trademarks of Rockwell Software Inc.

Table of Contents

Table of Contents
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P–1 Who Should Usethis Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P–2 Purpose of this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P–2 Common Techniques Used in this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P–6 Allen-Bradley Support . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P–6

Hardware
1 Installing Your Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1 Compliance to European Union Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2 Hardware Overview . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–3 Master Control Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–4 Using Surge Suppressors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–8 Safety Considerations . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–11 Power Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–12 Preventing Excessive Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–13 Controller Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
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