ITDataManagement.pdf

InTouch ® HMI Data Management

Guide

Invensys Systems, Inc.

Revision A

Last Revision: 7/25/07

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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.

Trademarks

All 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 A 2 , 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.

Contents

Welcome.......................................... 11

Documentation Conventions.............................................11

Technical Support .............................................................12

Chapter 1 Data Management Overview .................. 13

Working 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

4 Contents

Chapter 2 Managing Tags with the Tagname

Dictionary ........................................25

Planning 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........................................41

System Tags....................................................................... 41

Chapter 4 Using Tag Dotfields to View or Change

Tag Properties ...................................47

Available 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

InTouch HMI Data Management Guide

Contents 5

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 ............................ 67

Supported 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

InTouch HMI Data Management Guide

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