Rockwell Automation Allen-Bradley Logix5000 Betriebsanleitung

Programming Manual

Logix5000 Controllers ASCII Strings

CatalogNumbers

1756-L1,1756-L55,1756-L61,1756-L62,1756-L63,1769-L31,1769-L32C,1769-L32E,1769-L35CR,1769-L35E,

1789-L60, 1794-L34, PowerFlex 700S/SE

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.rockwellautomation.com/literature/) 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, when necessary, we use notes to make you aware of safety considerations.

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.

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.

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

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.

IMPORTANT

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

Rockwell Automation Publication 1756-PM013C-EN-P - November 2012 3

Summary of Changes

This manual contains new and updated information.

The following controllers are no longer supported in the Logix Designer

application, version 21.

Changes throughout this revision are marked by change bars, as shown in the

margin of this page.

There are a number of minor changes throughout this publication that were

made to clarify existing information. The major changes are listed below.

IMPORTANT

RSLogix 5000 programming software is now known as Studio 5000™ Logix Designer application, a

component of Studio 5000 Engineering and Design Environment.

Catalog Number Description

1756-L61 ControlLogix 5561 Controller

1756-L61S ControlLogix 5561S Controller

1756-L62 ControlLogix 5562 Controller

1756-L62S ControlLogix 5562S Controller

1756-L63 ControlLogix 5563 Controller

1756-L63S ControlLogix 5563S Controller

1756-L64 ControlLogix 5564 Controller

1756-L65 ControlLogix 5565 Controller

1768-L43 CompactLogix 5343 Controller

1768-L43S CompactLogix 5343S Controller

1768-L45 CompactLogix 5345 Controller

1768-L45S CompactLogix 5345S Controller

1769-L23E-QBF1 CompactLogix 5323E-QB1 Controller

1769-L23E-QBFC1 CompactLogix 5323E-QBFC1 Controller

1769-L23-QBFC1 CompactLogix 5323-QBFC1 Controller

1769-L31 CompactLogix 5331 Controller

1769-L32C CompactLogix 5332C Controller

1769-L32E CompactLogix 5332E Controller

1769-L35CR CompactLogix 5335CR Controller

1769-L35E CompactLogix 5335E Controller

Change Page

Updated sample project folder location. page 22

Updated data type editor image. page 23

4Rockwell Automation Publication 1756-PM013C-EN-P - November 2012

Summary of Changes

Notes:

Rockwell Automation Publication 1756-PM013C-EN-P - November 2012 5

Table of Contents

Preface

Studio 5000 Engineering and Design Environment and

Logix Designer Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

In This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Chapter 1

Communicating with an ASCII Device

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Connect the ASCII Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Configure the Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Configure the User Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Create String Data Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Read Characters from the Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Send Characters to the Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Enter ASCII Characters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Chapter 2

Processing ASCII Characters

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Extract a Part of a Bar Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Look Up a Bar Code. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Create the PRODUCT_INFO Data Type . . . . . . . . . . . . . . . . . . . . . 23

Search for the Characters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Identify the Lane Number. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Reject Bad Characters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Enter the Product IDs and Lane Numbers . . . . . . . . . . . . . . . . . . . . . . 25

Check the Bar Code Characters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Convert a Value. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Decode an ASCII Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Build a String . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

ASCII Character Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

6Rockwell Automation Publication 1756-PM013C-EN-P - November 2012

Table of Contents

Rockwell Automation Publication 1756-PM013C-EN-P - November 2012 7

Preface

Studio 5000 Engineering and

Design Environment and

Logix Designer Application

The Studio 5000™ Engineering and Design Environment combines engineering

and design elements into a common environment. The first element in the

Studio 5000 environment is the Logix Designer application. The Logix Designer

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

the product to program Logix5000™ 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. It is the one

place for design engineers to develop all the elements of their control system.

In This Manual This manual shows how to manipulate ASCII strings in Logix5000 controllers.

This manual is one of a set of related manuals that show common procedures for

programming and operating Logix5000 controllers. For a complete list of

common procedures manuals, see the Logix 5000 Controllers Common Procedures

Programming Manual, publication 1756-PM001.

The term Logix5000 controller refers to any controller that is based on the

Logix5000 operating system, such as:

·CompactLogix controllers

·ControlLogix controllers

·DriveLogix controllers

·FlexLogix controllers

·SoftLogix5800 controllers

8Rockwell Automation Publication 1756-PM013C-EN-P - November 2012

Preface

Notes:

Rockwell Automation Publication 1756-PM013C-EN-P - November 2012 9

Chapter

Communicating with an ASCII Device

Introduction

You can exchange ASCII data with a device through the serial port of the

controller. For example, you can use the serial port to:

·read ASCII characters from a weigh scale module or bar code reader.

·send and receive messages from an ASCII triggered device, such as a

MessageView terminal.

In addition to the controller serial port, firmware revision 3.1 and greater of the

1756-EWEB EtherNet/IP Web Server module supports a socket interface that

lets Logix5000 controllers exchange ASCII data using TCP or UDP socket

services. See the EtherNet/IP Web Server User Manual, publication ENET-

UM0527, revision C or later.

Connection from the serial port of the controller to the ASCII device

42237

10 Rockwell Automation Publication 1756-PM013C-EN-P - November 2012

Chapter 1 Communicating with an ASCII Device

Connect the ASCII Device

1. On the serial port of the ASCII device, determine which pins send signals

and which pins receive signals.

2. Connect sending pins to corresponding receiving pins and attach jumpers.

3. Attach the cable shield to both connectors.

4. Connect the cable to the controller and the ASCII device.

If the communications Then wire the connectors

Handshake

Do not handshake

2 RDX

3 TXD

4 DTR

COMMON

6 DSR

7 RTS

8 CTS

1 CD

2 RDX

3 TXD

4 DTR

COMMON

6 DSR

7 RTS

8 CTS

1 CD

ASCII Device Controller

42231

2 RDX

3 TXD

4 DTR

COMMON

6 DSR

7 RTS

8 CTS

1 CD

2 RDX

3 TXD

4 DTR

COMMON

6 DSR

7 RTS

8 CTS

1 CD

ASCII Device Controller

42232

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Beliebte Controller Handbücher anderer Marken

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Sinope

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Isimet

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LSIS

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ABB

ABB ACS580-01 drives Bedienungsanleitung

Panasonic

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Emerson

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AutoAqua

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Alpha IP

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