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Transcript of HMI intouch

InTouch HMI Data Management Guide

Invensys Systems, Inc.

Revision A Last Revision: 7/25/07

Copyright 2007 Invensys Systems, Inc. All Rights Reserved. All rights reserved. No part of this documentation shall be reproduced, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of Invensys Systems, Inc. No copyright or patent liability is assumed with respect to the use of the information contained herein. Although every precaution has been taken in the preparation of this documentation, the publisher and the author assume no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein. The information in this documentation is subject to change without notice and does not represent a commitment on the part of Invensys Systems, Inc. The software described in this documentation is furnished under a license or nondisclosure agreement. This software may be used or copied only in accordance with the terms of these agreements. Invensys Systems, Inc. 26561 Rancho Parkway South Lake Forest, CA 92630 U.S.A. (949) 727-3200 http://www.wonderware.com For comments or suggestions about the product documentation, send an e-mail message to productdocs@wonderware.com.

TrademarksAll terms mentioned in this documentation that are known to be trademarks or service marks have been appropriately capitalized. Invensys Systems, Inc. cannot attest to the accuracy of this information. Use of a term in this documentation should not be regarded as affecting the validity of any trademark or service mark. Alarm Logger, ActiveFactory, ArchestrA, Avantis, DBDump, DBLoad, DT Analyst, FactoryFocus, FactoryOffice, FactorySuite, FactorySuite A2, InBatch, InControl, IndustrialRAD, IndustrialSQL Server, InTouch, MaintenanceSuite, MuniSuite, QI Analyst, SCADAlarm, SCADASuite, SuiteLink, SuiteVoyager, WindowMaker, WindowViewer, Wonderware, and Wonderware Logger are trademarks of Invensys plc, its subsidiaries and affiliates. All other brands may be trademarks of their respective owners.

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Contents

Welcome.......................................... 11Documentation Conventions.............................................11 Technical Support .............................................................12

Chapter 1 Data Management Overview .................. 13Working with InTouch Tags .............................................14 Types of InTouch Tags ......................................................15 Memory Tags ..................................................................16 I/O Tags...........................................................................17 Indirect Tags...................................................................18 Miscellaneous Tags ........................................................19 Hist Trend tags...........................................................19 Tag ID Tags ................................................................19 SuperTags ...................................................................19 Obsolete Tags..............................................................20 Tag Properties ...................................................................20 Memory Tag Properties..................................................21 I/O Tag Properties ..........................................................22 Remote Tag References .....................................................24

InTouch HMI Data Management Guide

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Contents

Chapter 2 Managing Tags with the Tagname Dictionary ........................................25Planning Tag Usage ..........................................................26 Creating New Tags............................................................27 Configuring Tag Properties ..............................................28 Common Tag Properties ................................................28 Tag Name Conventions .............................................. 28 Automatically Naming Tags ......................................29 Tag Comments............................................................ 29 Understanding Tag Properties ......................................30 Value Ranges, Measurement Units, and an Initial Value ............................................................. 30 Tag Deadbands ...........................................................31 Tag Value Retention .................................................. 32 I/O Connection ............................................................ 33 Tag Logging ................................................................ 33 Creating Discrete Tags ..................................................34 Creating Integer and Real Tags ....................................36 Creating Message Tags ..................................................37 Creating I/O Tags ...........................................................37 Modifying Tags ..................................................................38 Deleting Tags.....................................................................38 Printing a Tag List and Usage Information ....................39

Chapter 3 System Tags........................................41System Tags.......................................................................41

Chapter 4 Using Tag Dotfields to View or Change Tag Properties ...................................47Available Dotfields for Tag Types ....................................48 Changing the Value Limits of a Tag ................................56 Viewing the Raw Value Limit .......................................57 .MinRaw Dotfield ....................................................... 57 .MaxRaw Dotfield....................................................... 58 Viewing the Raw Value of a Tag ...................................59 .RawValue Dotfield .................................................... 59 Viewing the Engineering Units Value Limit ................60 .MaxEU Dotfield......................................................... 60 .MinEU Dotfield ......................................................... 61 Changing the Engineering Units of a Tag ....................62 .EngUnits Dotfield ..................................................... 62

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Viewing the Value of a Tag in Engineering Units........63 .Value Dotfield ............................................................63 Viewing or Changing Discrete Tag Messages...............64 .OnMsg Dotfield..........................................................64 .OffMsg Dotfield .........................................................65 Viewing or Changing the Comment of a Tag ................66 .Comment Dotfield .....................................................66

Chapter 5 Data Access with I/O ............................ 67Supported InTouch Communication Protocols ................69 Dynamic Data Exchange................................................69 Wonderware SuiteLink ..................................................69 Troubleshooting SuiteLink Communication Problems ...................................................................70 Setting Up Access Names .................................................70 Deleting Access Names ..................................................74 Accessing I/O Data with I/O Tags.....................................75 Configuring I/O Tag Properties .....................................75 Specifying a Discrete I/O Tag ....................................75 Specifying Integer and Real I/O Tags .......................77 Specifying a Message I/O Tag ....................................79 Setting I/O Access Parameters ..................................80 Retrieving Information About I/O Tags at Run Time ..81 IOGetNode() Function................................................81 IOGetApplication() Function .....................................82 IOGetTopic() Function ...............................................82 Dynamically Changing I/O Tag References at Run Time ....................................................................83 .Reference Dotfield .....................................................83 IOSetItem() Function .................................................84 IOSetAccessName() Function ....................................85 Converting Tags to Remote References............................87 Accessing I/O Data by Remote References.......................91 Redirecting Remote References During Run Time.......93 IOSetRemoteReferences() Function ..........................93 Restoring References..................................................96 Accessing Application Server Data from InTouch...........97 Using Application Server Object Attributes with InTouch Tags..............................................................98 Browsing Application Server Object Attributes from InTouch.......................................................................99 Application Server Browser Restrictions ....................100 Special Extensions in Application Server Objects......100

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Mapping Application Server Data Types to InTouch Data Types ................................................ 102 Read/Write Behavior of Application Server Attributes...................................................................... 104 Configuring the InTouch HMI to Use a Galaxy as a Remote Tag Source........................................... 106 Viewing Timestamp and Quality Information for an I/O Tag..................................................................... 110 Viewing Timestamp Information for an I/O Tag ........ 110 .TimeDate Dotfield .......