Rockwell Automation Allen-Bradley Logix 5000 Series Betriebsanleitung

Programming Manual

Logix 5000 Controllers Data Access

1756 ControlLogix, 1756 GuardLogix, 1769 CompactLogix, 1769 Compact GuardLogix, 1789

SoftLogix, 5069 CompactLogix, 5069 Compact GuardLogix, Studio 5000 Logix Emulate

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 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 causean explosion in a hazardous environment, which may 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).

Allen-Bradley, Rockwell Software, Rockwell Automation, and TechConnect are trademarks of Rockwell Automation, Inc.

Trademarks not belonging to Rockwell Automation are property of their respective companies.

Rockwell Automation Publication 1756-PM020F-EN-P - January 2019 3

Summaryof 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

Subject Reason

Tag type service parameters for structure on

page 38

Added link to the Rockwell Automation Type Encoding of Logix

Structures in CIP Data Table R/W document.

Rockwell Automation Publication 1756-PM020F-EN-P - January 2019 5

Tableofcontents

Studio 5000 environment................................................................................ 9

Additional resources ....................................................................................... 9

Legal notices................................................................................................. 10

Chapter 1

CIP Services Overview................................................................................. 13

CIP Data Types ...................................................................................... 13

Atomic data type sizes ..................................................................... 14

Logix 5000 data...................................................................................... 14

Tag type service parameter .................................................................... 15

Tag type service parameter values used with Logix controllers...... 15

Analysis.................................................................................................. 16

Segment Encoding.................................................................................. 16

Logical Segments............................................................................. 16

Symbolic Segments ......................................................................... 17

CIP Service Request/Response Format.................................................. 17

Services Supported by Logix 5000 Controllers............................................ 18

Read Tag Service ................................................................................... 20

Example Using Symbolic Segment Addressing .............................. 20

Example Using Symbol Instance Addressing.................................. 21

Read Tag Service Error Codes......................................................... 21

Read Tag Fragmented Service ............................................................... 22

Example Using Symbolic Segment Addressing .............................. 22

Example Using Symbol Instance Addressing.................................. 24

Read Tag Fragmented Service Error Codes .................................... 26

Write Tag Service................................................................................... 27

Example Using Symbolic Segment Addressing .............................. 27

Example Using Symbol Instance Addressing.................................. 27

Write Tag Service Error Codes........................................................ 28

Write Tag Fragmented Service .............................................................. 28

Example Using Symbolic Segment Addressing .............................. 29

Example Using Symbol Instance Addressing.................................. 31

Write Tag Fragmented Service Error Codes.................................... 33

Read Modify Write Tag Service ............................................................ 33

Service Request Parameters............................................................. 33

Example ........................................................................................... 34

Read Modify Write Tag Service Error Codes ................................. 34

Multiple Service Packet Service...................................................... 35

Example ........................................................................................... 35

Logix Data Structures ................................................................................... 36

Work with Data Structures..................................................................... 37

Tag type service parameters for structure .............................................. 38

Summary of Changes

Preface

CIP services

Table of contents

6Rockwell Automation Publication 1756-PM020F-EN-P - January 2019

Chapter 2

How tags are organized in the controller ...................................................... 41

Symbol object......................................................................................... 42

Template object...................................................................................... 42

Create and maintain a symbol object list ...................................................... 44

Step 1: Find user-created controller scope tags in a Logix 5000 controller . 45

Retrieve all symbol object instances ...................................................... 45

Example of retrieving the first group of tags ......................................... 46

Analysis.................................................................................................. 47

Continue the retrieval process.......................................................... 47

Step 2: Isolate user-created tags from system tags/identifying structured

tags................................................................................................................ 49

Symbol Type Attribute........................................................................... 49

Eliminate tags by applying rules...................................................... 50

Step 3: Determine the structure makeup for a specific structure.................. 51

Example of reading template attributes.................................................. 52

Analysis.................................................................................................. 53

Structure data format ....................................................................... 54

Contents of the member information ............................................... 54

Example of retrieving member information .................................... 55

Example ........................................................................................... 55

More about BOOLS in UDTs.......................................................... 57

Step 4: Determine the data packing of the members of a structure when

accessed as a whole ...................................................................................... 57

Example of reading an entire structure................................................... 58

Step 5: Determine when the tags list and structure information need

refreshing ...................................................................................................... 59

How to detect changes............................................................................ 59

Chapter 3

Atomic Members of Predefined Data Types ................................................ 63

Example 1 (Symbolic Segment Addressing Method) ............................ 63

Example 2 (Symbol Instance Addressing Method)................................ 64

Example 3 (Symbolic Segment Addressing Method) ............................ 64

Example 4 (Symbolic Segment Addressing Method) ............................ 65

Example 5 (Symbol Instance Addressing Method)................................ 65

Example 6 (Symbolic Segment Addressing Method) ............................ 66

Example 7 (Symbolic Segment Addressing Method) ............................ 67

Example 8 (Both Addressing Methods) ................................................. 67

Example 9 (Both Addressing Methods) ................................................. 68

Example 10 (Symbolic Segment Addressing Method) with BOOLs..... 68

Access User-Defined Structures ................................................................... 69

Example 1............................................................................................... 70

Example 2............................................................................................... 70

Example 3............................................................................................... 71

Example 4............................................................................................... 71

Example 5............................................................................................... 72

Example 6............................................................................................... 73

CIP Services and User-created

Tags

CIP Addressing Examples

Table of contents

Rockwell Automation Publication 1756-PM020F-EN-P - January 2019 7

Chapter 4

Unconnected Messaging (UCMM) through PCCC ...................................... 75

Connected Explicit Messages through PCCC............................................... 76

Fragmentation Protocol................................................................................. 78

Chapter 5

Supported Subset of PCCC Commands........................................................ 81

Initial Fields of All PCCC Commands ......................................................... 82

PLC-2 Communication Commands.............................................................. 83

Unprotected Read (CMD=01, 41; FNC not present) ............................. 83

Protected Write (CMD=00, 40; FNC not present) ................................. 84

Unprotected Write (CMD=08, 48; FNC not present)............................. 84

Protected Bit Write (CMD=02, 42; FNC not present) ........................... 84

Unprotected Bit Write (CMD=05, 45; FNC not present)....................... 85

PLC-5 Communication Commands.............................................................. 85

Addressing examples.............................................................................. 86

Read Modify Write N (CMD=0F, 4F; FNC=79) ................................... 87

Typed Read (CMD=0F, 4F; FNC=68)................................................... 88

Typed Write (CMD=0F, 4F; FNC=67) .................................................. 88

Word Range Read (CMD=0F, 4F; FNC=01)......................................... 88

Word Range Write (CMD=0F, 4F; FNC=00)........................................ 89

Bit Write (CMD=0F, 4F; FNC=02) ....................................................... 89

SLC Communication Commands ................................................................. 90

SLC Protected Typed Logical Read with 3 Address Fields (CMD=0F,

4F; FNC=A2) ......................................................................................... 90

SLC Protected Typed Logical Write with 3 Address Fields(CMD=0F,

4F, FNC=AA) ........................................................................................ 91

SLC Protected Typed Logical Read with 2 Address Fields (CMD=0F,

4F; FNC=A1) ......................................................................................... 91

SLC Protected Typed Logical Write with 2 Address Fields (CMD=0F,

4F; FNC=A9) ......................................................................................... 92

CIP Over the Controller Serial

Port

PCCC Commands

Index

Rockwell Automation Publication 1756-PM020F-EN-P - January 2019 9

Preface

Before using this document:

•Have a thorough understanding of CIP and EtherNet/IP.

•Have purchased a copy of the pertinent volumes of the CIP Networks

Library.

•Be properly licensed through ODVA to use the CIP technology.

For more information on the CIP Networks Library and CIP technologies,

contact ODVA at http://www.odva.org/.

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 is the one place for design engineers to develop all

elements of their control system.

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.

Studio 5000 environment

Additional resources

Preface

10 Rockwell Automation Publication 1756-PM020F-EN-P - January 2019

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.

Reserved. Printed in USA.

This document and any accompanying Rockwell Software products are

copyrighted by Rockwell Automation Technologies, Inc. Any reproduction

and/or distribution without prior written consent from Rockwell Automation

Technologies, Inc. is strictly prohibited. Please refer to the license agreement

for details.

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.

Open source licenses

The software included in this product contains copyrighted software that is

licensed under one or more open source licenses. Copies of those licenses are

included with the software. Corresponding Source code for open source

packages included in this product are located at their respective web site(s).

Alternately, 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.

A full list of all open source software used in this product and their

corresponding licenses can be found in the OPENSOURCE folder included

with the Release Notes. The default installed location of these licenses is

C:\Program Files (x86)\Common

Files\Rockwell\Help\<Product>\ReleaseNotes\OPENSOURCE\index.htm.

Trademark Notices

Allen-Bradley, ControlBus, ControlFLASH, Compact GuardLogix, Compact

I/O, ControlLogix, CompactLogix, DCM, DH+, Data Highway Plus,

DriveLogix, DPI, DriveTools, Explorer, FactoryTalk, FactoryTalk

Administration Console, FactoryTalk Alarms and Events, FactoryTalk Batch,

FactoryTalk Directory, FactoryTalk Security, FactoryTalk Services Platform,

FactoryTalk View, FactoryTalk View SE, FLEX Ex, FlexLogix, FLEX I/O,

Guard I/O, High Performance Drive, Integrated Architecture, Kinetix,

Logix5000, Logix 5000, Logix5550, MicroLogix, DeviceNet, EtherNet/IP,

Legal notices

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