Rockwell Automation Allen-Bradley Logix 5000 Series Bedienungsanleitung

Rockwell Automation Publication 1756-PM009J-EN-P - March 2022

Supercedes Publication 1756-PM009I-EN-P - September 2020

Programming Manual

Original Instructions

Logix 5000 Controllers

Function Block Diagram

1756 ControlLogix, 1756 GuardLogix, 1769 CompactLogix,

1769 Compact GuardLogix, 1789 SoftLogix, 5069

CompactLogix, 5069 Compact GuardLogix, Studio 5000

Logix Emulate

Logix 5000 Controllers Function Block Diagram

2 Rockwell Automation Publication 1756-PM009J-EN-P - March 2022

Important User Information

Read this document and the documents listed in the additional resources section about installation, configuration, and

operation of this equipment before you install, configure, operate, or maintain this product. Users are required to familiarize

themselves with installation and wiring instructions in addition to requirements of all applicable codes, laws,and standards.

Activities including installation, adjustments, putting into service, use, assembly, disassembly, and maintenance are required to

be carried out by suitably trained personnel in accordance with applicable code of practice.

If this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be

impaired.

In no event will Rockwell Automation, Inc. be responsible orliable 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, whichmay lead to personal injury

or death, property damage, or economic loss.

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, and recognize the consequence.

IMPORTANT

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

Labels may also be on or inside the equipment to provide specific precautions.

SHOCK HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that dangerous voltage may be present.

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

ARC FLASH HAZARD: Labels may be on or inside the equipment, for example, a motor control center, to alert people to potential Arc Flash. Arc Flash will cause

severe injury or death. Wear proper Personal Protective Equipment (PPE). Follow ALL Regulatory requirements for safe work practices and for Personal

Protective Equipment (PPE).

Rockwell Automation recognizes that some of the terms that are currently used in our industry and in this publication are not in

alignment with the movement toward inclusive language in technology. We are proactively collaborating with industry peers to

find alternatives to such termsand making changes to our products and content. Please excuse the use of such terms in our

content while we implement these changes.

Rockwell Automation Publication 1756-PM009J-EN-P - March 2022 3

Summary of changes

This manual includes new and updated information. Use these reference

tables to locate changed information.

Grammatical and editorial style changes are not included in this summary.

Global changes

None in this release.

New or enhanced features

This table contains a list of topics changed in this version, the reason for the

change, and a link to the topic that contains the changed information.

Change

Topic

Updated Legal notices.

Legal notices on page 8

Rockwell Automation Publication 1756-PM009J-EN-P - March 2022 5

Table of Contents

Studio 5000 environment ...........................................................................7

Additional resources....................................................................................8

Legal notices.................................................................................................8

Chapter 1

Introduction................................................................................................11

Choose the function block elements ........................................................ 12

Choose a tag name for an element ........................................................... 12

Define the order of execution....................................................................13

Data latching ........................................................................................13

Order of execution ...............................................................................15

Resolve a loop .......................................................................................16

Resolve data flow between two blocks................................................17

Create a one scan delay........................................................................17

Summary...............................................................................................18

Identify any connectors.............................................................................18

Define program/operator control.............................................................18

Add a sheet..................................................................................................21

Add a function block element....................................................................21

Use functions....................................................................................... 22

Create a text box.........................................................................................23

Language switching ............................................................................ 24

Connect elements...................................................................................... 25

Show or hide a pin............................................................................... 25

Wire elements together ...................................................................... 25

Mark a wire with the Assume Data Available indicator ................... 25

Assign a tag ................................................................................................ 26

Create and assign a new tag............................................................... 26

Assign an existing tag......................................................................... 27

Assign an immediate value (constant)..................................................... 28

Use an IREF ......................................................................................... 28

Enter a value in the tag of a block ...................................................... 28

Connect blocks with an OCON and ICON .............................................. 28

Add an OCON...................................................................................... 29

Add an ICON ....................................................................................... 29

Rename a wire connector................................................................... 29

Rename a connector group ................................................................ 29

Verify the routine ...................................................................................... 30

Summary of changes

Preface

Program a Function Block

Diagram

Index

Rockwell Automation Publication 1756-PM009J-EN-P - March 2022 7

Preface

This manual shows how to program Logix 5000 controllers with the function

block diagram (FBD) programming language. This manual is one of a set of

related manuals that show common procedures for programming and

operating Logix 5000 controllers.

For a complete list of common procedures manuals, refer to the Logix 5000

Controllers Common Procedures Programming Manual, publication

1756-PM001.

The term Logix 5000 controller refers to any controller based on the Logix

5000 operating system.

Rockwell Automation recognizes that some of the terms that are currently

used in our industry and in this publication are not in alignment with the

movement toward inclusive language in technology. We are proactively

collaborating with industry peers to find alternatives to such terms and

making changes to our products and content. Please excuse the use of such

terms in our content while we implement these changes.

The Studio 5000 Automation Engineering & Design Environment® combines

engineering and design elements into a common environment. The first

element is the Studio 5000 Logix Designer® application. The Logix Designer

application is the rebranding of RSLogix 5000® software and will continue to

be the product to program Logix 5000™ controllers for discrete, process,

batch, motion, safety, and drive-based solutions.

The Studio 5000® environment is the foundation for the future of

Rockwell Automation® engineering design tools and capabilities. The Studio

5000 environment isthe one place for design engineers to develop all

elements of their control system.

Studio 5000 environment

Preface

8 Rockwell Automation Publication 1756-PM009J-EN-P - March 2022

These documents contain additional information concerning related

Rockwell Automation products.

Resource

Description

Industrial Automation Wiring and Grounding Guidelines,

publication 1770-4.1

Provides general guidelines for installing a Rockwell

Automation industrial system.

Product Certifications webpage, available at

http://ab.rockwellautomation.com

Provides declarations of conformity, certificates, and

other certification details.

View or download publications at

http://www.rockwellautomation.com/literature. To order paper copies of

technical documentation, contact the local Rockwell Automation distributor

or sales representative.

Rockwell Automation publishes legal notices, such as privacy policies, license

agreements, trademark disclosures, and other terms and conditions on the

Legal Notices page of the Rockwell Automation website.

End User License Agreement (EULA)

You can view the Rockwell Automation End User License Agreement (EULA)

by opening the license.rtf file located in your product's install folder on your

hard drive.

The default location of this file is:

C:\Program Files (x86)\Common Files\Rockwell\license.rtf.

Open Source Software Licenses

The software included in this product contains copyrighted software that is

licensed under one or more open source licenses.

You can view a full list of all open source software used in this product and

their corresponding licenses by opening the oss_license.txt file located in your

product's OPENSOURCE folder on your hard drive. This file is divided into

these sections:

•Components

Includes the name of the open source component, its version number,

and the type of license.

•Copyright Text

Includes the name of the open source component, its version number,

and the copyright declaration.

•Licenses

Includes the name of the license, the list of open source components

citing the license, and the terms of the license.

The default location of this file is:

Additional resources

Legal notices

Preface

Rockwell Automation Publication 1756-PM009J-EN-P - March 2022 9

C:\Program Files (x86)\Common Files\Rockwell\Help\<product

name>\Release Notes\OPENSOURCE\oss_licenses.txt.

You may obtain Corresponding Source code for open source packages

included in this product from their respective project web site(s).

Alternatively, you may obtain complete Corresponding Source code by

contacting Rockwell Automation via the Contact form on the Rockwell

Automation website:

http://www.rockwellautomation.com/global/about-us/contact/contact.page.

Please include "Open Source" as part of the request text.

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