National Instruments BridgeVIEW Uživatelský manuál Strana 1

User ManualBridgeVIEW User ManualMay 1998 EditionPart Number 321294C-01

Contents© National Instruments Corporation xi BridgeVIEW User ManualHow Do You Programmatically Log an Operator Into Your Application?...

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-42 © National Instruments Corporation9. Save the configuration by selecting File»Save. The modifie

Chapter 3 Tag Configuration© National Instruments Corporation 3-43 BridgeVIEW User ManualThe Tag Monitor is a quick way to look at tag values and alar

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-44 © National Instruments CorporationHow Do You Configure Other Engine Parameters?There are other

Chapter 3 Tag Configuration© National Instruments Corporation 3-45 BridgeVIEW User ManualNote Although you can configure these parameters, it is highl

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-46 © National Instruments CorporationHow Do You Launch Server Configuration Utilities from the Tag

© National Instruments Corporation 4-1 BridgeVIEW User Manual4Human Machine InterfaceThis chapter explains what a Human Machine Interface (HMI) is and

Chapter 4 Human Machine InterfaceBridgeVIEW User Manual 4-2 © National Instruments CorporationThere are several general G programming principles with

Chapter 4 Human Machine Interface© National Instruments Corporation 4-3 BridgeVIEW User ManualFront Panel ObjectsA front panel is the user interface o

Chapter 4 Human Machine InterfaceBridgeVIEW User Manual 4-4 © National Instruments CorporationThe HMI G Wizard associates a front panel control or ind

Chapter 4 Human Machine Interface© National Instruments Corporation 4-5 BridgeVIEW User ManualDisplay discrete values Indicate an alarm stateBoolean I

ContentsBridgeVIEW User Manual xii © National Instruments CorporationPART IIG TutorialChapter 9Creating VIsWhat is a Virtual Instrument?...

Chapter 4 Human Machine InterfaceBridgeVIEW User Manual 4-6 © National Instruments CorporationDisplay event history informationEvent History Display o

Chapter 4 Human Machine Interface© National Instruments Corporation 4-7 BridgeVIEW User ManualTo invoke the Wizard, pop up on a front panel object, an

Chapter 4 Human Machine InterfaceBridgeVIEW User Manual 4-8 © National Instruments CorporationGenerate the Block DiagramOnce you associate a front pan

Chapter 4 Human Machine Interface© National Instruments Corporation 4-9 BridgeVIEW User ManualFor this activity, you will use the tags configured in m

Chapter 4 Human Machine InterfaceBridgeVIEW User Manual 4-10 © National Instruments Corporation If you do not see a list of available tags or the tag

Chapter 4 Human Machine Interface© National Instruments Corporation 4-11 BridgeVIEW User Manual5. Return to the front panel and run the VI. It launche

Chapter 4 Human Machine InterfaceBridgeVIEW User Manual 4-12 © National Instruments CorporationHow Do You Customize Front Panel Objects?You can custom

Chapter 4 Human Machine Interface© National Instruments Corporation 4-13 BridgeVIEW User ManualIf you want to use the control in other VIs, you can sa

Chapter 4 Human Machine InterfaceBridgeVIEW User Manual 4-14 © National Instruments Corporation4. Click on the Edit Mode button in the Control Editor

Chapter 4 Human Machine Interface© National Instruments Corporation 4-15 BridgeVIEW User Manual7. Click on the pair of tweezers to return to Edit mode

Contents© National Instruments Corporation xiii BridgeVIEW User ManualShift Registers...

Chapter 4 Human Machine InterfaceBridgeVIEW User Manual 4-16 © National Instruments CorporationHow Do You Monitor and Control Tags? The Tags VI librar

Chapter 4 Human Machine Interface© National Instruments Corporation 4-17 BridgeVIEW User ManualTag Data TypeBridgeVIEW has a special data type called

Chapter 4 Human Machine InterfaceBridgeVIEW User Manual 4-18 © National Instruments CorporationYou also can enter the name of the tag you want to use.

Chapter 4 Human Machine Interface© National Instruments Corporation 4-19 BridgeVIEW User ManualThe tag data type imports tag and tag group names from

Chapter 4 Human Machine InterfaceBridgeVIEW User Manual 4-20 © National Instruments CorporationTag constants in your diagram (and tag controls and ind

Chapter 4 Human Machine Interface© National Instruments Corporation 4-21 BridgeVIEW User Manualperiod is exceeded, whichever occurs first, then reads

Chapter 4 Human Machine InterfaceBridgeVIEW User Manual 4-22 © National Instruments CorporationBlock Diagram2. To create the block diagram, pop up on

Chapter 4 Human Machine Interface© National Instruments Corporation 4-23 BridgeVIEW User Manual3. The HMI G Wizard generates a diagram for you that ca

Chapter 4 Human Machine InterfaceBridgeVIEW User Manual 4-24 © National Instruments Corporation9. Save the VI as Monitor Product.vi in the BridgeVIEW\

Chapter 4 Human Machine Interface© National Instruments Corporation 4-25 BridgeVIEW User ManualGeneral Principles of G HMI ProgrammingYou can choose h

ContentsBridgeVIEW User Manual xiv © National Instruments CorporationChapter 16Program DesignUse Top-Down Design...

Chapter 4 Human Machine InterfaceBridgeVIEW User Manual 4-26 © National Instruments Corporationalarm state indicator, and controls the blinking of the

Chapter 4 Human Machine Interface© National Instruments Corporation 4-27 BridgeVIEW User ManualHow Do You Implement Polled Programming in G?You do not

Chapter 4 Human Machine InterfaceBridgeVIEW User Manual 4-28 © National Instruments CorporationFigure 4-4. Process View Display VIHow Do You Initiali

Chapter 4 Human Machine Interface© National Instruments Corporation 4-29 BridgeVIEW User ManualHow Do You Display Real-Time Trends?You can build a rea

Chapter 4 Human Machine InterfaceBridgeVIEW User Manual 4-30 © National Instruments Corporation Figure 4-5. Two Trend Display VIThe real-time trend i

Chapter 4 Human Machine Interface© National Instruments Corporation 4-31 BridgeVIEW User ManualThis example illustrates the use of dataflow programmin

Chapter 4 Human Machine InterfaceBridgeVIEW User Manual 4-32 © National Instruments CorporationFigure 4-7. Using the Tag Attributes VIs to Initialize

Chapter 4 Human Machine Interface© National Instruments Corporation 4-33 BridgeVIEW User ManualFigure 4-8. Using the Tag Attributes VIs to Initialize

© National Instruments Corporation 5-1 BridgeVIEW User Manual5Alarms and EventsThis chapter introduces the basic concepts of alarms and events, and ex

Chapter 5 Alarms and EventsBridgeVIEW User Manual 5-2 © National Instruments CorporationAlarm PriorityAn alarm priority indicates the severity of an a

Contents© National Instruments Corporation xv BridgeVIEW User ManualFigure 2-6. Select Tags to Monitor Dialog Box...

Chapter 5 Alarms and Events© National Instruments Corporation 5-3 BridgeVIEW User Manualcan change the default colors of alarms, acknowledged alarms a

Chapter 5 Alarms and EventsBridgeVIEW User Manual 5-4 © National Instruments Corporation3. Now, you can select the tags to monitor. In the tag list, s

Chapter 5 Alarms and Events© National Instruments Corporation 5-5 BridgeVIEW User ManualThe diagram above uses event-driven programming to wait for an

Chapter 5 Alarms and EventsBridgeVIEW User Manual 5-6 © National Instruments CorporationHow Do You Display Event History Information?To read all the a

Chapter 5 Alarms and Events© National Instruments Corporation 5-7 BridgeVIEW User Manualremains at UNACK until the user presses the ACK button on the

Chapter 5 Alarms and EventsBridgeVIEW User Manual 5-8 © National Instruments Corporation3. Select Alarm Acknowledgement for the Attach Control to: opt

Chapter 5 Alarms and Events© National Instruments Corporation 5-9 BridgeVIEW User ManualThe Acknowledge Alarm VI is called when the front panel ACK bu

Chapter 5 Alarms and EventsBridgeVIEW User Manual 5-10 © National Instruments CorporationHow Do You Configure Logging and Printing of Alarms and Event

Chapter 5 Alarms and Events© National Instruments Corporation 5-11 BridgeVIEW User ManualThere are various format options for logging and printing. Th

Chapter 5 Alarms and EventsBridgeVIEW User Manual 5-12 © National Instruments CorporationHow Do You Log Alarms and Events?Events are logged in ASCII f

ContentsBridgeVIEW User Manual xvi © National Instruments CorporationFigure 8-1. Server Browser...

Chapter 5 Alarms and Events© National Instruments Corporation 5-13 BridgeVIEW User Manualmonth, DD is the day, HH is the hour, MM is the minute and .e

Chapter 5 Alarms and EventsBridgeVIEW User Manual 5-14 © National Instruments CorporationThere are three techniques for turning event printing on or o

© National Instruments Corporation 6-1 BridgeVIEW User Manual6Historical Data Logging and ExtractionThis chapter explains the concept of a trend, how

Chapter 6 Historical Data Logging and ExtractionBridgeVIEW User Manual 6-2 © National Instruments Corporationmanipulate, and analyze historical data a

Chapter 6 Historical Data Logging and Extraction© National Instruments Corporation 6-3 BridgeVIEW User ManualHow Do You Configure Historical Logging?Y

Chapter 6 Historical Data Logging and ExtractionBridgeVIEW User Manual 6-4 © National Instruments CorporationHow Do You Extract and View Data from His

Chapter 6 Historical Data Logging and Extraction© National Instruments Corporation 6-5 BridgeVIEW User ManualIf the Citadel Path is empty, the File Di

Chapter 6 Historical Data Logging and ExtractionBridgeVIEW User Manual 6-6 © National Instruments CorporationActivity 6-1. Use the Historical Data VIs

Chapter 6 Historical Data Logging and Extraction© National Instruments Corporation 6-7 BridgeVIEW User ManualYou will display previously logged data,

Chapter 6 Historical Data Logging and ExtractionBridgeVIEW User Manual 6-8 © National Instruments Corporation6. On the front panel, create an array of

Contents© National Instruments Corporation xvii BridgeVIEW User ManualActivitiesActivity 2-1. Open and Run a VI...

Chapter 6 Historical Data Logging and Extraction© National Instruments Corporation 6-9 BridgeVIEW User Manualon the data that is displayed. You can us

Chapter 6 Historical Data Logging and ExtractionBridgeVIEW User Manual 6-10 © National Instruments CorporationHow Do You Select the Tags to Display?Se

Chapter 6 Historical Data Logging and Extraction© National Instruments Corporation 6-11 BridgeVIEW User ManualPanning ButtonsThe Panning buttons allow

Chapter 6 Historical Data Logging and ExtractionBridgeVIEW User Manual 6-12 © National Instruments CorporationHow Do You Change the Timespan of Data D

Chapter 6 Historical Data Logging and Extraction© National Instruments Corporation 6-13 BridgeVIEW User ManualHow Do You Change the Plot Colors and St

Chapter 6 Historical Data Logging and ExtractionBridgeVIEW User Manual 6-14 © National Instruments Corporation Select the Remember settings on exit ch

Chapter 6 Historical Data Logging and Extraction© National Instruments Corporation 6-15 BridgeVIEW User ManualActivity 6-2. Use the Historical Trend V

Chapter 6 Historical Data Logging and ExtractionBridgeVIEW User Manual 6-16 © National Instruments Corporation The HTV displays the trends for the Pow

Chapter 6 Historical Data Logging and Extraction© National Instruments Corporation 6-17 BridgeVIEW User Manual7. To see the value of a particular data

© National Instruments Corporation 7-1 BridgeVIEW User Manual7Advanced Application TopicsThis chapter explains advanced topics you need to understand

© National Instruments Corporation xix BridgeVIEW User ManualAbout This ManualThe BridgeVIEW User Manual contains the information you need to get star

Chapter 7 Advanced Application TopicsBridgeVIEW User Manual 7-2 © National Instruments CorporationHow Do You Use the Panel G Wizard?The Panel G Wizard

Chapter 7 Advanced Application Topics© National Instruments Corporation 7-3 BridgeVIEW User ManualYou can configure the Panel G Wizard to store the fi

Chapter 7 Advanced Application TopicsBridgeVIEW User Manual 7-4 © National Instruments Corporation2. Save the VI as My Menu Bar.vi in the BridgeVIEW\A

Chapter 7 Advanced Application Topics© National Instruments Corporation 7-5 BridgeVIEW User Manual5. Make a copy of the Alarms button. Click on the bu

Chapter 7 Advanced Application TopicsBridgeVIEW User Manual 7-6 © National Instruments CorporationFor example, you might find it unnecessary to load c

Chapter 7 Advanced Application Topics© National Instruments Corporation 7-7 BridgeVIEW User ManualHow Do You Control Panel Visibility?There are severa

Chapter 7 Advanced Application TopicsBridgeVIEW User Manual 7-8 © National Instruments CorporationHow Do You Start or Stop the BridgeVIEW Engine from

Chapter 7 Advanced Application Topics© National Instruments Corporation 7-9 BridgeVIEW User ManualTag Attributes VIsThere is a set of VIs in the Tag A

Chapter 7 Advanced Application TopicsBridgeVIEW User Manual 7-10 © National Instruments CorporationWhen you change programmatic attributes with the Ta

Chapter 7 Advanced Application Topics© National Instruments Corporation 7-11 BridgeVIEW User Manual4. Run the VI. Because the Product tag is configure

About This ManualBridgeVIEW User Manual xx © National Instruments Corporationprogramming language upon which BridgeVIEW is built, the BridgeVIEW Engin

Chapter 7 Advanced Application TopicsBridgeVIEW User Manual 7-12 © National Instruments Corporation8. Save the VI as Change Alarm Limit.vi in the Brid

Chapter 7 Advanced Application Topics© National Instruments Corporation 7-13 BridgeVIEW User ManualBridgeVIEW SecurityBridgeVIEW security is broken in

Chapter 7 Advanced Application TopicsBridgeVIEW User Manual 7-14 © National Instruments CorporationA user’s BridgeVIEW Environment privileges are comp

Chapter 7 Advanced Application Topics© National Instruments Corporation 7-15 BridgeVIEW User ManualHow Do You Log In and Out?To log in, choose Project

Chapter 7 Advanced Application TopicsBridgeVIEW User Manual 7-16 © National Instruments CorporationFigure 7-3. Privileges Dialog BoxFor more informat

Chapter 7 Advanced Application Topics© National Instruments Corporation 7-17 BridgeVIEW User Manualinformation about this or any other VI, refer to Ap

Chapter 7 Advanced Application TopicsBridgeVIEW User Manual 7-18 © National Instruments Corporationchoose Project»Security»Edit User Accounts…, and th

Chapter 7 Advanced Application Topics© National Instruments Corporation 7-19 BridgeVIEW User Manualexample, change the access level of several account

Chapter 7 Advanced Application TopicsBridgeVIEW User Manual 7-20 © National Instruments Corporationfile is that all user account information, includin

Chapter 7 Advanced Application Topics© National Instruments Corporation 7-21 BridgeVIEW User ManualFor example, a user named user, having access level

About This Manual© National Instruments Corporation xxi BridgeVIEW User Manual• Chapter 12, Case and Sequence Structures and the Formula Node, introdu

Chapter 7 Advanced Application TopicsBridgeVIEW User Manual 7-22 © National Instruments CorporationIf you choose File»Import»Network BridgeVIEW, a dia

Chapter 7 Advanced Application Topics© National Instruments Corporation 7-23 BridgeVIEW User ManualHow Do You Limit User Access to HMI Objects?You can

Chapter 7 Advanced Application TopicsBridgeVIEW User Manual 7-24 © National Instruments Corporationthe security loop. This ensures that the security l

Chapter 7 Advanced Application Topics© National Instruments Corporation 7-25 BridgeVIEW User Manual3. After creating the two accounts, select <<

Chapter 7 Advanced Application TopicsBridgeVIEW User Manual 7-26 © National Instruments Corporatione. Wire the “Disabled” attribute value output of th

Chapter 7 Advanced Application Topics© National Instruments Corporation 7-27 BridgeVIEW User Manual8. Log in as Anyone with Password Viewer by selecti

© National Instruments Corporation 8-1 BridgeVIEW User Manual8ServersThis chapter explains how to use servers with BridgeVIEW. BridgeVIEW supports sev

Chapter 8 ServersBridgeVIEW User Manual 8-2 © National Instruments CorporationThe device servers also handle and report communications and device erro

Chapter 8 Servers© National Instruments Corporation 8-3 BridgeVIEW User ManualWhen you register a device server, its name appears in the list of serve

Chapter 8 ServersBridgeVIEW User Manual 8-4 © National Instruments CorporationAll Channels created with the NI-DAQ Channel Wizard appear as items when

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About This ManualBridgeVIEW User Manual xxii © National Instruments CorporationConventions Used in This ManualThe following conventions are used in th

Chapter 8 Servers© National Instruments Corporation 8-5 BridgeVIEW User ManualBrowser utility. You can remove these servers from the server list by se

Chapter 8 ServersBridgeVIEW User Manual 8-6 © National Instruments CorporationFigure 8-1. Server BrowserWhen an OPC server is selected in the Servers

Chapter 8 Servers© National Instruments Corporation 8-7 BridgeVIEW User ManualThis dialog box displays general information about the OPC Server as rea

Chapter 8 ServersBridgeVIEW User Manual 8-8 © National Instruments Corporationto use the server on another machine from your machine, use the network

Chapter 8 Servers© National Instruments Corporation 8-9 BridgeVIEW User ManualHow Do You Use DDE Servers with BridgeVIEW?BridgeVIEW can communicate wi

Chapter 8 ServersBridgeVIEW User Manual 8-10 © National Instruments CorporationUse the Server Browser to unregister a device server that you no longer

Chapter 8 Servers© National Instruments Corporation 8-11 BridgeVIEW User ManualNote Unregistering a server means that BridgeVIEW can no longer access

Chapter 8 ServersBridgeVIEW User Manual 8-12 © National Instruments CorporationHow Do You Develop an IA Device Server?You can write an IA Device Serve

Part IIG TutorialThis section contains information about the functionality of G that you need to get started with most BridgeVIEW applications.Part II

© National Instruments Corporation 9-1 BridgeVIEW User Manual9Creating VIsThis chapter introduces the basic concepts of virtual instruments and provid

About This Manual© National Instruments Corporation xxiii BridgeVIEW User ManualThis icon to the left of bold text denotes the beginning of an activit

Chapter 9 Creating VIsBridgeVIEW User Manual 9-2 © National Instruments Corporationusing a VI library. For a list of the advantages and disadvantages

Chapter 9 Creating VIs© National Instruments Corporation 9-3 BridgeVIEW User ManualYou can create an indicator and wire it to an output terminal by po

Chapter 9 Creating VIsBridgeVIEW User Manual 9-4 © National Instruments Corporationfloating-point numbers, green wires carry Booleans, and pink wires

Chapter 9 Creating VIs© National Instruments Corporation 9-5 BridgeVIEW User ManualNote When you place the Wiring tool over a node, G displays wire st

Chapter 9 Creating VIsBridgeVIEW User Manual 9-6 © National Instruments CorporationBad WiresA dashed wire represents a bad wire. You can get a bad wir

Chapter 9 Creating VIs© National Instruments Corporation 9-7 BridgeVIEW User ManualActivity 9-1. Create a VIYour objective is to build a VI.Imagine th

Chapter 9 Creating VIsBridgeVIEW User Manual 9-8 © National Instruments Corporation7. Open the block diagram by choosing Windows»Show Diagram. Select

Chapter 9 Creating VIs© National Instruments Corporation 9-9 BridgeVIEW User Manual10. Using the Wiring tool, wire the objects as shown.Note To move o

Chapter 9 Creating VIsBridgeVIEW User Manual 9-10 © National Instruments CorporationThe following illustration is an example pop-up menu that appears

Chapter 9 Creating VIs© National Instruments Corporation 9-11 BridgeVIEW User Manual3. Pop up on the tank and choose Data Operations»Description…. Typ

Part IBridgeVIEW ConceptsThis section contains information about the BridgeVIEW environment, tag configuration, Human Machine Interface, alarms and ev

Chapter 9 Creating VIsBridgeVIEW User Manual 9-12 © National Instruments Corporation4. Pop up on the thermometer and choose Data Operations»Descriptio

Chapter 9 Creating VIs© National Instruments Corporation 9-13 BridgeVIEW User ManualYou can use buttons on the Hierarchy window toolbar or the View me

Chapter 9 Creating VIsBridgeVIEW User Manual 9-14 © National Instruments Corporationcan pop up on a VI or subVI node to access a menu with options, su

Chapter 9 Creating VIs© National Instruments Corporation 9-15 BridgeVIEW User ManualThe tools to the left of the editing area perform the following fu

Chapter 9 Creating VIsBridgeVIEW User Manual 9-16 © National Instruments CorporationThe buttons at the right of the editing screen perform the followi

Chapter 9 Creating VIs© National Instruments Corporation 9-17 BridgeVIEW User ManualThe icon of a VI represents it as a subVI in the block diagram of

Chapter 9 Creating VIsBridgeVIEW User Manual 9-18 © National Instruments Corporation8. Pop up on the connector pane and select Rotate 90 Degrees. Noti

Chapter 9 Creating VIs© National Instruments Corporation 9-19 BridgeVIEW User ManualOpening, Operating, and Changing SubVIsYou can open a VI used as a

Chapter 9 Creating VIsBridgeVIEW User Manual 9-20 © National Instruments CorporationBlock Diagram5. Go to the block diagram by selecting Windows»Show

Chapter 9 CreatingVIs© National Instruments Corporation 9-21 BridgeVIEW User ManualHow Do You Debug a VI?A VI cannot compile or run if it is broken. N

Part I BridgeVIEW ConceptsBridgeVIEW User Manual I-2 © National Instruments Corporation• Chapter 6, Historical Data Logging and Extraction, explains

Chapter 9 Creating VIsBridgeVIEW User Manual 9-22 © National Instruments CorporationActivity 9-5. Debug a VI in BridgeVIEWYour objective is to use the

Chapter 9 Creating VIs© National Instruments Corporation 9-23 BridgeVIEW User Manual6. Close the Probe window by clicking in the close box at the top

© National Instruments Corporation 10-1 BridgeVIEW User Manual10Customizing VIsThis chapter introduces the basic concepts used for customizing VIs.The

Chapter 10 Customizing VIsBridgeVIEW User Manual 10-2 © National Instruments Corporationcalling VI), and choosing SubVI Node Setup…. The following ill

Chapter 10 Customizing VIs© National Instruments Corporation 10-3 BridgeVIEW User ManualBlock Diagram2. Build the block diagram shown in the following

Chapter 10 Customizing VIsBridgeVIEW User Manual 10-4 © National Instruments Corporationthe icon, as shown in the following illustration. After creati

Chapter 10 Customizing VIs© National Instruments Corporation 10-5 BridgeVIEW User Manualb. Select Window Options and make the selections shown in the

Chapter 10 Customizing VIsBridgeVIEW User Manual 10-6 © National Instruments CorporationFront Panel10. Open a new front panel.11. Place a Waveform Cha

Chapter 10 Customizing VIs© National Instruments Corporation 10-7 BridgeVIEW User ManualBlock Diagram14. Create a Sequence structure and add the follo

Chapter 10 Customizing VIsBridgeVIEW User Manual 10-8 © National Instruments Corporation17. Add the objects shown in the following illustration.Temp &

© National Instruments Corporation 1-1 BridgeVIEW User Manual1IntroductionThis chapter describes the unique BridgeVIEW approach to Human Machine Inter

© National Instruments Corporation 11-1 BridgeVIEW User Manual11Loops and ChartsThis chapter introduces structures and explains the basic concepts of

Chapter 11 Loops and ChartsBridgeVIEW User Manual 11-2 © National Instruments CorporationChartsA chart is a numeric plotting indicator which is update

Chapter 11 Loops and Charts© National Instruments Corporation 11-3 BridgeVIEW User ManualFaster Chart UpdatesYou can pass an array of multiple values

Chapter 11 Loops and ChartsBridgeVIEW User Manual 11-4 © National Instruments CorporationWhile LoopsA While Loop is a structure that repeats a section

Chapter 11 Loops and Charts© National Instruments Corporation 11-5 BridgeVIEW User ManualFront Panel1. Open a new front panel by selecting File»New.2.

Chapter 11 Loops and ChartsBridgeVIEW User Manual 11-6 © National Instruments Corporation8. Rescale the knob. Using the Labeling tool, double-click on

Chapter 11 Loops and Charts© National Instruments Corporation 11-7 BridgeVIEW User Manual13. Stop the VI by clicking on the vertical switch. Turning t

Chapter 11 Loops and ChartsBridgeVIEW User Manual 11-8 © National Instruments Corporationa check mark in a dialog box; it becomes highlighted but does

Chapter 11 Loops and Charts© National Instruments Corporation 11-9 BridgeVIEW User Manualb. Pop up on the switch and choose Data Operations»Make Curre

Chapter 11 Loops and ChartsBridgeVIEW User Manual 11-10 © National Instruments CorporationWait Until Next ms Multiple function (Functions»Time & D

Chapter 1 IntroductionBridgeVIEW User Manual 1-2 © National Instruments CorporationRequired System ConfigurationBridgeVIEW is distributed on a CD-ROM

Chapter 11 Loops and Charts© National Instruments Corporation 11-11 BridgeVIEW User ManualThe subdiagram for the TRUE condition contains the work of t

Chapter 11 Loops and ChartsBridgeVIEW User Manual 11-12 © National Instruments CorporationThe shift register contains a pair of terminals directly opp

Chapter 11 Loops and Charts© National Instruments Corporation 11-13 BridgeVIEW User ManualFor example, if a shift register contains three elements in

Chapter 11 Loops and ChartsBridgeVIEW User Manual 11-14 © National Instruments Corporation3. After adding the vertical switch, pop up on it and select

Chapter 11 Loops and Charts© National Instruments Corporation 11-15 BridgeVIEW User ManualWait Until Next ms Multiple function (Functions»Time & D

Chapter 11 Loops and ChartsBridgeVIEW User Manual 11-16 © National Instruments CorporationEach time the VI is called, running average is computed from

Chapter 11 Loops and Charts© National Instruments Corporation 11-17 BridgeVIEW User ManualActivity 11-6. Create a Multiplot Chart and Customize Your T

Chapter 11 Loops and ChartsBridgeVIEW User Manual 11-18 © National Instruments CorporationBlock Diagram3. Modify the block diagram, as shown in the fo

Chapter 11 Loops and Charts© National Instruments Corporation 11-19 BridgeVIEW User Manualbuttons to explore their operation, scroll the area displaye

Chapter 11 Loops and ChartsBridgeVIEW User Manual 11-20 © National Instruments Corporation9. Run the VI. 10. Save the VI as Multiple Random Plot.vi in

Chapter 1 Introduction© National Instruments Corporation 1-3 BridgeVIEW User ManualWhat Is BridgeVIEW?BridgeVIEW is a software package specifically ta

Chapter 11 Loops and Charts© National Instruments Corporation 11-21 BridgeVIEW User ManualThe For Loop executes the diagram inside its border a predet

Chapter 11 Loops and ChartsBridgeVIEW User Manual 11-22 © National Instruments Corporationterminal. As a reminder, G places a gray dot, called a coerc

Chapter 11 Loops and Charts© National Instruments Corporation 11-23 BridgeVIEW User Manuala. Place a digital indicator on the front panel and label it

Chapter 11 Loops and ChartsBridgeVIEW User Manual 11-24 © National Instruments Corporationrun of the VI. Therefore, you could get a maximum output val

© National Instruments Corporation 12-1 BridgeVIEW User Manual12Case and Sequence Structures and the Formula NodeThis chapter introduces the basic con

Chapter 12 Case and Sequence Structures and the Formula NodeBridgeVIEW User Manual 12-2 © National Instruments CorporationCase StructureThe Case struc

Chapter 12 Case and Sequence Structures and the Formula Node© National Instruments Corporation 12-3 BridgeVIEW User ManualBlock Diagram2. Build the di

Chapter 12 Case and Sequence Structures and the Formula NodeBridgeVIEW User Manual 12-4 © National Instruments CorporationOne Button Dialog function (

Chapter 12 Case and Sequence Structures and the Formula Node© National Instruments Corporation 12-5 BridgeVIEW User ManualSequence StructuresThe Seque

Chapter 12 Case and Sequence Structures and the Formula NodeBridgeVIEW User Manual 12-6 © National Instruments CorporationThe Number to Match control

Chapter 1 IntroductionBridgeVIEW User Manual 1-4 © National Instruments Corporationinformation, acknowledge alarms, view real-time trends and retrieve

Chapter 12 Case and Sequence Structures and the Formula Node© National Instruments Corporation 12-7 BridgeVIEW User ManualSetting the Data RangeWith t

Chapter 12 Case and Sequence Structures and the Formula NodeBridgeVIEW User Manual 12-8 © National Instruments Corporation

Chapter 12 Case and Sequence Structures and the Formula Node© National Instruments Corporation 12-9 BridgeVIEW User ManualFrame 0 in the previous illu

Chapter 12 Case and Sequence Structures and the Formula NodeBridgeVIEW User Manual 12-10 © National Instruments CorporationRound to Nearest function (

Chapter 12 Case and Sequence Structures and the Formula Node© National Instruments Corporation 12-11 BridgeVIEW User ManualFormula NodeThe Formula Nod

Chapter 12 Case and Sequence Structures and the Formula NodeBridgeVIEW User Manual 12-12 © National Instruments CorporationThe following example shows

Chapter 12 Case and Sequence Structures and the Formula Node© National Instruments Corporation 12-13 BridgeVIEW User ManualActivity 12-3. Use the Form

Chapter 12 Case and Sequence Structures and the Formula NodeBridgeVIEW User Manual 12-14 © National Instruments CorporationBlock Diagram3. Build the b

Chapter 12 Case and Sequence Structures and the Formula Node© National Instruments Corporation 12-15 BridgeVIEW User Manual5. Save the VI as Equations

© National Instruments Corporation 13-1 BridgeVIEW User Manual13Front Panel Object AttributesThis chapter describes objects called attribute nodes, wh

Chapter 1 Introduction© National Instruments Corporation 1-5 BridgeVIEW User Manual• Attribute Nodes—Attribute nodes are special block diagram nodes t

Chapter 13 Front Panel Object AttributesBridgeVIEW User Manual 13-2 © National Instruments CorporationBecause there are many different attributes for

Chapter 13 Front Panel Object Attributes© National Instruments Corporation 13-3 BridgeVIEW User ManualActivity 13-1. Use an Attribute NodeYour objecti

Chapter 13 Front Panel Object AttributesBridgeVIEW User Manual 13-4 © National Instruments CorporationNot function (Functions»Boolean)—In this exercis

© National Instruments Corporation 14-1 BridgeVIEW User Manual14Arrays, Clusters, and GraphsThis chapter introduces the basic concepts of polymorphism

Chapter 14 Arrays, Clusters, and GraphsBridgeVIEW User Manual 14-2 © National Instruments CorporationNote You also can create an array and its corresp

Chapter 14 Arrays, Clusters, and Graphs© National Instruments Corporation 14-3 BridgeVIEW User ManualBy default, auto-indexing is disabled for every a

Chapter 14 Arrays, Clusters, and GraphsBridgeVIEW User Manual 14-4 © National Instruments Corporation3. Place a digital indicator from Controls»Numeri

Chapter 14 Arrays, Clusters, and Graphs© National Instruments Corporation 14-5 BridgeVIEW User ManualBundle function (Functions»Cluster)—Assembles the

Chapter 14 Arrays, Clusters, and GraphsBridgeVIEW User Manual 14-6 © National Instruments CorporationIn the previous block diagram, you specified an i

Chapter 14 Arrays, Clusters, and Graphs© National Instruments Corporation 14-7 BridgeVIEW User Manual15. Continue building your block diagram as shown

Chapter 1 IntroductionBridgeVIEW User Manual 1-6 © National Instruments CorporationConnectionConnection includes the following tag attributes: • Acces

Chapter 14 Arrays, Clusters, and GraphsBridgeVIEW User Manual 14-8 © National Instruments CorporationActivity 14-2. Use Auto-Indexing on Input ArraysY

Chapter 14 Arrays, Clusters, and Graphs© National Instruments Corporation 14-9 BridgeVIEW User ManualUsing Auto-Indexing to Set the For Loop CountNoti

Chapter 14 Arrays, Clusters, and GraphsBridgeVIEW User Manual 14-10 © National Instruments CorporationBuild Array function (Functions»Array)—You can u

Chapter 14 Arrays, Clusters, and Graphs© National Instruments Corporation 14-11 BridgeVIEW User Manualif element is a long integer with the value of f

Chapter 14 Arrays, Clusters, and GraphsBridgeVIEW User Manual 14-12 © National Instruments CorporationArray SubsetYou can use this function to extract

Chapter 14 Arrays, Clusters, and Graphs© National Instruments Corporation 14-13 BridgeVIEW User ManualIndex ArrayThe Index Array function accesses an

Chapter 14 Arrays, Clusters, and GraphsBridgeVIEW User Manual 14-14 © National Instruments CorporationNotice that the index terminal symbol changes fr

Chapter 14 Arrays, Clusters, and Graphs© National Instruments Corporation 14-15 BridgeVIEW User ManualThus, you can interpret the lower left preceding

Chapter 14 Arrays, Clusters, and GraphsBridgeVIEW User Manual 14-16 © National Instruments CorporationBlock Diagram7. Place a Build Array function (Fu

Chapter 14 Arrays, Clusters, and Graphs© National Instruments Corporation 14-17 BridgeVIEW User ManualWhat is Polymorphism?Polymorphism is the ability

Important InformationWarrantyThe media on which you receive National Instruments software are warranted not to fail to execute programming instructio

Chapter 1 Introduction© National Instruments Corporation 1-7 BridgeVIEW User ManualEventsAn event is something that happens within the BridgeVIEW syst

Chapter 14 Arrays, Clusters, and GraphsBridgeVIEW User Manual 14-18 © National Instruments Corporationblock diagram). In G, use the Bundle function to

Chapter 14 Arrays, Clusters, and Graphs© National Instruments Corporation 14-19 BridgeVIEW User ManualGraph CursorsYou can place cursors and a cursor

Chapter 14 Arrays, Clusters, and GraphsBridgeVIEW User Manual 14-20 © National Instruments CorporationGraph AxesYou can format the scales of a graph t

Chapter 14 Arrays, Clusters, and Graphs© National Instruments Corporation 14-21 BridgeVIEW User ManualThe Temperature waveform chart displays the temp

Chapter 14 Arrays, Clusters, and GraphsBridgeVIEW User Manual 14-22 © National Instruments CorporationWait Until Next ms Multiple function (Functions»

Chapter 14 Arrays, Clusters, and Graphs© National Instruments Corporation 14-23 BridgeVIEW User ManualIntensity PlotsBridgeVIEW has two methods for di

© National Instruments Corporation 15-1 BridgeVIEW User Manual15Application ControlThis chapter introduces the VI Server and provides an activity that

Chapter 15 Application ControlBridgeVIEW User Manual 15-2 © National Instruments CorporationWhat is the VI Server?The VI Server is a G programming mec

Chapter 15 Application Control© National Instruments Corporation 15-3 BridgeVIEW User Manualthe TRUE value is passed into a Case structure and each ca

Chapter 15 Application ControlBridgeVIEW User Manual 15-4 © National Instruments CorporationActivity 15-1. Use the VI ServerYour objective is to buil

Chapter 1 IntroductionBridgeVIEW User Manual 1-8 © National Instruments CorporationWhat Is the BridgeVIEW System Architecture?The BridgeVIEW system co

Chapter 15 Application Control© National Instruments Corporation 15-5 BridgeVIEW User Manual3. Save this VI as VI Control2.vi in the BridgeVIEW\Activi

Chapter 15 Application ControlBridgeVIEW User Manual 15-6 © National Instruments CorporationThe elements of the VI are described below.Open VI Referen

Chapter 15 Application Control© National Instruments Corporation 15-7 BridgeVIEW User ManualNot Function (Functions»Comparison)—The node inverts the B

© National Instruments Corporation 16-1 BridgeVIEW User Manual16Program DesignNow that you are familiar with many aspects of G programming, you need t

Chapter 16 Program DesignBridgeVIEW User Manual 16-2 © National Instruments Corporation In some cases you might not need all these blocks or you might

Chapter 16 Program Design© National Instruments Corporation 16-3 BridgeVIEW User ManualCreate the ProgramNow you are ready to create the program in G:

Chapter 16 Program DesignBridgeVIEW User Manual 16-4 © National Instruments Corporationoutput that is used as the input to another subVI, try to align

Chapter 16 Program Design© National Instruments Corporation 16-5 BridgeVIEW User ManualFor example, examine the following diagram in which three simil

Chapter 16 Program DesignBridgeVIEW User Manual 16-6 © National Instruments CorporationThe BridgeVIEW Engine handles system events and errors reported

Chapter 16 Program Design© National Instruments Corporation 16-7 BridgeVIEW User ManualOne of the main advantages in using the error input and output

Chapter 1 Introduction© National Instruments Corporation 1-9 BridgeVIEW User Manualwiththe BridgeVIEW Engine to read and write tag values, acknowledge

Chapter 16 Program DesignBridgeVIEW User Manual 16-8 © National Instruments CorporationNotice that the preceding example still does not check for erro

© National Instruments Corporation A-1 BridgeVIEW User ManualAHMI Function ReferenceThis appendix describes error handling for BridgeVIEW VIs and cont

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-2 © National Instruments Corporationmessage. Using error in and error out clusters is a conv

Appendix A HMI Function Reference© National Instruments Corporation A-3 BridgeVIEW User ManualBridgeVIEW VI Library Many of the VIs in the BridgeVIEW

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-4 © National Instruments CorporationAlarms and Events VIsUse the Alarms and Events VIs to ac

Appendix A HMI Function Reference© National Instruments Corporation A-5 BridgeVIEW User ManualAcknowledge AlarmUse the Acknowledge Alarm VI to acknowl

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-6 © National Instruments CorporationGet Alarm Summary StatusUse the Get Alarm Summary Status

Appendix A HMI Function Reference© National Instruments Corporation A-7 BridgeVIEW User ManualRead Alarm SummaryUse the Read Alarm Summary VI to displ

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-8 © National Instruments Corporationmax priority is the maximum priority of alarms to read.

Appendix A HMI Function Reference© National Instruments Corporation A-9 BridgeVIEW User ManualAlarm Message determines whether to display the user-con

Chapter 1 IntroductionBridgeVIEW User Manual 1-10 © National Instruments Corporationthe value, the timestamp of when the item was sampled, and status

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-10 © National Instruments Corporationshutdown indicates that the BridgeVIEW Engine is shutti

Appendix A HMI Function Reference© National Instruments Corporation A-11 BridgeVIEW User ManualRead Event HistoryUse the Read Event History VI to disp

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-12 © National Instruments Corporationmax priority is the maximum priority of alarms read. If

Appendix A HMI Function Reference© National Instruments Corporation A-13 BridgeVIEW User ManualOperator Name determines whether to display the operato

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-14 © National Instruments Corporationerror indicates that an error occurred when executing t

Appendix A HMI Function Reference© National Instruments Corporation A-15 BridgeVIEW User ManualRead Tag AlarmUse the Read Tag Alarm VI to read detaile

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-16 © National Instruments Corporationerror indicates that an error occurred when executing R

Appendix A HMI Function Reference© National Instruments Corporation A-17 BridgeVIEW User ManualHistorical Data VIsUse the Historical Data VIs to obtai

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-18 © National Instruments CorporationCall HTVUse the Call HTV VI to include the Historical T

Appendix A HMI Function Reference© National Instruments Corporation A-19 BridgeVIEW User Manualerror in is a cluster that describes the error status b

Chapter 1 Introduction© National Instruments Corporation 1-11 BridgeVIEW User Manual(BridgeVIEW\Activity\Solutions) that contains the completed VIs fo

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-20 © National Instruments CorporationDecimate Historical TrendUse the Decimate Historical Tr

Appendix A HMI Function Reference© National Instruments Corporation A-21 BridgeVIEW User ManualDecimate Historical TrendsUse the Decimate Historical T

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-22 © National Instruments Corporationdecimated trends is a list of decimated historical tren

Appendix A HMI Function Reference© National Instruments Corporation A-23 BridgeVIEW User ManualGet Historical Tag ListUse the Get Historical Tag List

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-24 © National Instruments CorporationGet Historical Trend InfoUse the Get Historical Trend I

Appendix A HMI Function Reference© National Instruments Corporation A-25 BridgeVIEW User ManualHistorical Trend StatisticsUse the Historical Trend Sta

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-26 © National Instruments CorporationThe last point in the trend is not included in the stan

Appendix A HMI Function Reference© National Instruments Corporation A-27 BridgeVIEW User ManualHistorical Trends to SpreadsheetUse the Historical Tren

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-28 © National Instruments Corporationsample interval (1 sec) determines the time interval fo

Appendix A HMI Function Reference© National Instruments Corporation A-29 BridgeVIEW User ManualHistorical Trends to Spreadsheet FileThis VI stores the

© National Instruments Corporation 2-1 BridgeVIEW User Manual2BridgeVIEW EnvironmentThis chapter describes the BridgeVIEW environment. It explains the

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-30 © National Instruments Corporationtime format (System default) determines whether a 12-ho

Appendix A HMI Function Reference© National Instruments Corporation A-31 BridgeVIEW User ManualRead Historical TrendUse the Read Historical Trend VI t

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-32 © National Instruments Corporationhistorical trend is the tag trend data read from the hi

Appendix A HMI Function Reference© National Instruments Corporation A-33 BridgeVIEW User ManualRead Historical TrendsUse the Read Historical Trends VI

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-34 © National Instruments Corporationhistorical trends is the tag trend data read from the h

Appendix A HMI Function Reference© National Instruments Corporation A-35 BridgeVIEW User ManualSystem VIsUse the System VIs to obtain information or m

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-36 © National Instruments CorporationEnable Event LoggingUse the Enable Event Logging VI to

Appendix A HMI Function Reference© National Instruments Corporation A-37 BridgeVIEW User ManualEnable Historical Data LoggingUse the Enable Historical

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-38 © National Instruments CorporationEnable PrintingUse the Enable Printing VI to turn on or

Appendix A HMI Function Reference© National Instruments Corporation A-39 BridgeVIEW User ManualEngine LaunchUse the Engine Launch VI to launch the Bri

Chapter 2 BridgeVIEW EnvironmentBridgeVIEW User Manual 2-2 © National Instruments CorporationVirtual InstrumentsVIs have both an interactive user inte

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-40 © National Instruments CorporationEngine ShutdownUse the Engine Shutdown VI to shut down

Appendix A HMI Function Reference© National Instruments Corporation A-41 BridgeVIEW User ManualGet Engine StatusUse this VI to query the BridgeVIEW en

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-42 © National Instruments CorporationGet Tag Status InfoUse the Get Tag Status Info VI to ob

Appendix A HMI Function Reference© National Instruments Corporation A-43 BridgeVIEW User ManualPost System Error or EventUse this VI to post an error

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-44 © National Instruments CorporationTag Status HandlerUse the Tag Status Handler VI to obta

Appendix A HMI Function Reference© National Instruments Corporation A-45 BridgeVIEW User Manualreturned by the device server. The part of the message

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-46 © National Instruments CorporationSecurity VIs

Appendix A HMI Function Reference© National Instruments Corporation A-47 BridgeVIEW User ManualCheck Operator PrivilegesUse this VI to check the curre

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-48 © National Instruments CorporationGet Operator NameUse the Get Operator Name VI to obtain

Appendix A HMI Function Reference© National Instruments Corporation A-49 BridgeVIEW User ManualInvoke Login DialogUse the Invoke Login Dialog VI to la

Chapter 2 BridgeVIEW Environment© National Instruments Corporation 2-3 BridgeVIEW User ManualStop button—Aborts VI execution.Pause/Continue button—Pau

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-50 © National Instruments CorporationProgrammatic LoginUse the Programmatic Login VI to prog

Appendix A HMI Function Reference© National Instruments Corporation A-51 BridgeVIEW User ManualProgrammatic LogoutUse this VI to log out the current u

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-52 © National Instruments CorporationSecurity MonitorUse this VI to monitor the access level

Appendix A HMI Function Reference© National Instruments Corporation A-53 BridgeVIEW User ManualUser Account ListUse this VI to generate a list of Brid

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-54 © National Instruments CorporationRead TagUse the Read Tag VI to read the latest value of

Appendix A HMI Function Reference© National Instruments Corporation A-55 BridgeVIEW User Manualvalue timestamp returns the timestamp for when the tag

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-56 © National Instruments CorporationRead Tag (bit array)Use the Read Tag (bit array) VI to

Appendix A HMI Function Reference© National Instruments Corporation A-57 BridgeVIEW User Manualvalue is the latest bit array value of the bit array ta

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-58 © National Instruments CorporationRead Tag (discrete)Use the Read Tag (discrete) VI to re

Appendix A HMI Function Reference© National Instruments Corporation A-59 BridgeVIEW User Manualvalue is the latest value of the discrete tag read from

Chapter 2 BridgeVIEW EnvironmentBridgeVIEW User Manual 2-4 © National Instruments CorporationTools PaletteBridgeVIEW has a floating Tools palette, whi

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-60 © National Instruments CorporationRead Tag (string)Use the Read Tag (string) VI to read t

Appendix A HMI Function Reference© National Instruments Corporation A-61 BridgeVIEW User Manualvalue timestamp returns the timestamp for when the tag

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-62 © National Instruments CorporationTrend TagsUse the Trend Tags VI to set data for a real-

Appendix A HMI Function Reference© National Instruments Corporation A-63 BridgeVIEW User ManualWrite TagUse the Write Tag VI to update the Real-Time D

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-64 © National Instruments CorporationWrite Tag (bit array)Use the Write Tag (bit array) VI t

Appendix A HMI Function Reference© National Instruments Corporation A-65 BridgeVIEW User ManualWrite Tag (discrete)Use the Write Tag (discrete) VI to

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-66 © National Instruments CorporationWrite Tag (string)Use the Write Tag (string) VI to upda

Appendix A HMI Function Reference© National Instruments Corporation A-67 BridgeVIEW User ManualWrite Tag on ChangeUse the Write Tag on Change VI to up

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-68 © National Instruments CorporationWrite Tag on Change (bit array)Use the Write Tag on Cha

Appendix A HMI Function Reference© National Instruments Corporation A-69 BridgeVIEW User ManualWrite Tag on Change (discrete)Use the Write Tag on Chan

Chapter 2 BridgeVIEW Environment© National Instruments Corporation 2-5 BridgeVIEW User ManualControls PaletteThe Controls palette consists of a graphi

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-70 © National Instruments CorporationWrite Tag on Change (string)Use the Write Tag on Change

Appendix A HMI Function Reference© National Instruments Corporation A-71 BridgeVIEW User ManualTag Attributes VIsUse the Tag Attributes VIs to get and

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-72 © National Instruments CorporationGet Analog Tag Alarm LimitUse the Get Analog Tag Alarm

Appendix A HMI Function Reference© National Instruments Corporation A-73 BridgeVIEW User ManualGet Bit Array Tag Alarm SettingUse the Get Bit Array Ta

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-74 © National Instruments CorporationGet Discrete Tag Alarm SettingUse the Get Discrete Tag

Appendix A HMI Function Reference© National Instruments Corporation A-75 BridgeVIEW User ManualGet Group ListUse the Get Group List VI to returns a li

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-76 © National Instruments CorporationGet Tag Alarm EnabledUse the Get Tag Alarm Enabled VI t

Appendix A HMI Function Reference© National Instruments Corporation A-77 BridgeVIEW User ManualGet Tag AttributeUse the Get Tag Attributes VI to obtai

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-78 © National Instruments CorporationGet Tag Bad Status Alarm InfoUse the Get Tag Bad Status

Appendix A HMI Function Reference© National Instruments Corporation A-79 BridgeVIEW User ManualGet Tag Description GroupUse the Get Tag Description Gr

© National Instruments Corporation v BridgeVIEW User ManualContentsAbout This ManualOrganization of This Manual...

Chapter 2 BridgeVIEW EnvironmentBridgeVIEW User Manual 2-6 © National Instruments Corporation Controls and IndicatorsControls and indicators in G are

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-80 © National Instruments CorporationGet Tag I/O Connection InfoUse the Get Tag I/O Connecti

Appendix A HMI Function Reference© National Instruments Corporation A-81 BridgeVIEW User ManualGet Tag ListUse the Get Tag List VI to return a list of

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-82 © National Instruments CorporationGet Tag Logging InfoUse the Get Tag Logging Info VI to

Appendix A HMI Function Reference© National Instruments Corporation A-83 BridgeVIEW User ManualGet Tag Range and UnitsUse the Get Tag Range and Units

Appendix A HMI Function ReferenceBridgeVIEW User Manual A-84 © National Instruments CorporationSet Multiple Tag AttributesUse the Set Multiple Tag Att

Appendix A HMI Function Reference© National Instruments Corporation A-85 BridgeVIEW User ManualSet Tag AttributeUse the Set Tag Attribute VI to reconf

© National Instruments Corporation B-1 BridgeVIEW User ManualBCitadel and Open Database ConnectivityThis appendix describes the Citadel database and t

Appendix B Citadel and Open Database ConnectivityBridgeVIEW User Manual B-2 © National Instruments Corporation 5. Choose the Citadel driver and select

Appendix B Citadel and Open Database Connectivity© National Instruments Corporation B-3 BridgeVIEW User Manual Note Some applications are not complete

Appendix B Citadel and Open Database ConnectivityBridgeVIEW User Manual B-4 © National Instruments CorporationHow Do You Access Citadel Data?The ODBC

Chapter 2 BridgeVIEW Environment© National Instruments Corporation 2-7 BridgeVIEW User ManualBooleanYou use Boolean controls and indicators for enteri

Appendix B Citadel and Open Database Connectivity© National Instruments Corporation B-5 BridgeVIEW User ManualThese data transforms allow you to direc

Appendix B Citadel and Open Database ConnectivityBridgeVIEW User Manual B-6 © National Instruments CorporationAssume, for example, that you want to fi

Appendix B Citadel and Open Database Connectivity© National Instruments Corporation B-7 BridgeVIEW User Manual• Retrieves an oven’s temperature set po

Appendix B Citadel and Open Database ConnectivityBridgeVIEW User Manual B-8 © National Instruments Corporation Note If MS Query is unable to connect t

Appendix B Citadel and Open Database Connectivity© National Instruments Corporation B-9 BridgeVIEW User Manual To view a data transform value, enter t

Appendix B Citadel and Open Database ConnectivityBridgeVIEW User Manual B-10 © National Instruments Corporation When you enter qualifying criteria val

Appendix B Citadel and Open Database Connectivity© National Instruments Corporation B-11 BridgeVIEW User ManualUsing Microsoft Excel with CitadelNoteT

Appendix B Citadel and Open Database ConnectivityBridgeVIEW User Manual B-12 © National Instruments CorporationUsing Microsoft Access with CitadelThe

Appendix B Citadel and Open Database Connectivity© National Instruments Corporation B-13 BridgeVIEW User Manual In the Import Objects dialog box, choo

Appendix B Citadel and Open Database ConnectivityBridgeVIEW User Manual B-14 © National Instruments CorporationUsing the Citadel ODBC Driver in Visual

Chapter 2 BridgeVIEW EnvironmentBridgeVIEW User Manual 2-8 © National Instruments CorporationTagYou use tag controls and indicators for entering and d

© National Instruments Corporation C-1 BridgeVIEW User ManualCCustomer CommunicationFor your convenience, this appendix contains forms to help you gat

BridgeVIEW User Manual C-2 © National Instruments CorporationFax-on-Demand SupportFax-on-Demand is a 24-hour information retrieval system containing a

Technical Support FormPhotocopy this form and update it each time you make changes to your software or hardware, and use the completed copy of this fo

BridgeVIEW Hardware and Software Configuration FormRecord the settings and revisions of your hardware and software on the line to the right of each it

Documentation Comment FormNational Instruments encourages you to comment on the documentation supplied with our products. This information helps us pr

© National Instruments Corporation G-1 BridgeVIEW User ManualGlossaryPrefix Meanings Valuem- milli- 10–3µ- micro- 10–6n- nano- 10–9Aaccess level Numer

GlossaryBridgeVIEW User Manual G-2 © National Instruments CorporationBbit array tag A multibit value representation of a connection to a real-world I/

Glossary© National Instruments Corporation G-3 BridgeVIEW User Manualcluster A set of ordered, unindexed data elements of any data type including nume

GlossaryBridgeVIEW User Manual G-4 © National Instruments Corporationdynamic attributes Tag attributes that do not require the BridgeVIEW Engine to be

Glossary© National Instruments Corporation G-5 BridgeVIEW User ManualGG The graphical programming language used to develop BridgeVIEW applications.gro

Chapter 2 BridgeVIEW Environment© National Instruments Corporation 2-9 BridgeVIEW User Manual2. Run the VI by clicking on the Run button in the toolba

GlossaryBridgeVIEW User Manual G-6 © National Instruments Corporationitem A channel or variable in a real-world device that is monitored or controlled

Glossary© National Instruments Corporation G-7 BridgeVIEW User Manualoperator The person who initiates and monitors the operation of a process.output

GlossaryBridgeVIEW User Manual G-8 © National Instruments CorporationRrange The region between the limits within which a quantity is measured, receive

Glossary© National Instruments Corporation G-9 BridgeVIEW User Manualstatic attributes Tag attributes that require the BridgeVIEW Engine to be restart

GlossaryBridgeVIEW User Manual G-10 © National Instruments CorporationTag Monitor A utility to view the current value of a tag, along with its status

Glossary© National Instruments Corporation G-11 BridgeVIEW User ManualWWhile Loop Post-iterative test loop structure that repeats a section of code un

© National Instruments Corporation I-1 BridgeVIEW User ManualIndexAaccess levels and privileges, 7-1See also security.defaults (table), 7-13finding ac

IndexBridgeVIEW User Manual I-2 © National Instruments Corporationarray functionsArray Size, 14-11Array Subset, 14-12Build Array, 14-9Index Array, 14-

Index© National Instruments Corporation I-3 BridgeVIEW User ManualBoolean switcheschanging mechanical action (activity), 11-8possible choices for mech

IndexBridgeVIEW User Manual I-4 © National Instruments CorporationSecurity VIsCheck Operator Privileges, A-47Get Operator Name, A-48Invoke Login Dialo

Chapter 2 BridgeVIEW EnvironmentBridgeVIEW User Manual 2-10 © National Instruments Corporationdiagram as source code. The components of the block diag

Index© National Instruments Corporation I-5 BridgeVIEW User Manualcharts, 11-2See also graphs.activity, 11-3creating multiplot chart and customizing t

IndexBridgeVIEW User Manual I-6 © National Instruments Corporationdiscrete tagsalarm configuration, 3-35creating, 3-5purpose and use, 3-10Distribution

Index© National Instruments Corporation I-7 BridgeVIEW User Manualstopping and starting programmatically, 7-8turning on at startup, 3-44printing, 5-13

IndexBridgeVIEW User Manual I-8 © National Instruments CorporationGet Alarm Summary Status VI, A-6Get Analog Tag Alarm Limit VI, A-72Get Bit Array Tag

Index© National Instruments Corporation I-9 BridgeVIEW User ManualHistorical Trends to Spreadsheet File, A-29list of VIs, 6-4locating, A-17Read Histor

IndexBridgeVIEW User Manual I-10 © National Instruments Corporationinitializing and shutting down multiple-loop applications, 4-28polled programming,

Index© National Instruments Corporation I-11 BridgeVIEW User ManualMMan Machine Interface. See Human Machine Interface.manual. See documentation.Max &

IndexBridgeVIEW User Manual I-12 © National Instruments Corporationoperator interface panelcontrolling visibility, 7-7Operator Interface Security, 7-2

Index© National Instruments Corporation I-13 BridgeVIEW User ManualRead Tag (string) VI, A-60Read Tag Alarm VI, A-15Real-Time Database, 1-6, 1-9See al

IndexBridgeVIEW User Manual I-14 © National Instruments Corporationincrementing and decrementing subdiagrams, 12-1overview, 12-5purpose and use, 1-4su

Chapter 2 BridgeVIEW Environment© National Instruments Corporation 2-11 BridgeVIEW User ManualLaunch Engine Launches the BridgeVIEW Engine. The Bridge

Index© National Instruments Corporation I-15 BridgeVIEW User ManualStop button, 2-3string constant, 12-4string controls and indicators, 2-7string tags

IndexBridgeVIEW User Manual I-16 © National Instruments CorporationGet Tag Range and Units, A-83location of, 4-16Set Multiple Tag Attributes, A-84Set

Index© National Instruments Corporation I-17 BridgeVIEW User ManualLO Limit, 3-32LO Priority, 3-32LO_LO Enabled, 3-32LO_LO Limit, 3-32LO_LO Priority,

IndexBridgeVIEW User Manual I-18 © National Instruments CorporationEngine parameter configuration, 3-44configurable memory allocation parameters (tabl

Index© National Instruments Corporation I-19 BridgeVIEW User ManualTemp&Vol VI, 10-8terminals, adding to VIs, 9-3Thermometer VI, 14-21Threads tabl

IndexBridgeVIEW User Manual I-20 © National Instruments Corporationfront panel, 2-2icon/connector, 2-3opening and running (activity), 2-8overview, 1-3

Chapter 2 BridgeVIEW EnvironmentBridgeVIEW User Manual 2-12 © National Instruments CorporationWhat Is the BridgeVIEW Engine Manager?When you run any G

Chapter 2 BridgeVIEW Environment© National Instruments Corporation 2-13 BridgeVIEW User ManualTable 2-2 provides a description of each of the fields i

Chapter 2 BridgeVIEW EnvironmentBridgeVIEW User Manual 2-14 © National Instruments CorporationThe Engine Manager shows the current state of the Engine

Chapter 2 BridgeVIEW Environment© National Instruments Corporation 2-15 BridgeVIEW User ManualThe Server Browser is shown in the following illustratio

ContentsBridgeVIEW User Manual vi © National Instruments CorporationChapter 2BridgeVIEW EnvironmentWhat Is G?...

Chapter 2 BridgeVIEW EnvironmentBridgeVIEW User Manual 2-16 © National Instruments CorporationDetailed system error and event messages are logged to a

Chapter 2 BridgeVIEW Environment© National Instruments Corporation 2-17 BridgeVIEW User ManualTable 2-3. Tag Browser Field DescriptionsField Descript

Chapter 2 BridgeVIEW EnvironmentBridgeVIEW User Manual 2-18 © National Instruments CorporationIf the BridgeVIEW Engine is loaded, you can view the tag

Chapter 2 BridgeVIEW Environment© National Instruments Corporation 2-19 BridgeVIEW User ManualFigure 2-5. Tag Monitor UtilityNoteSelecting the Tag Mo

Chapter 2 BridgeVIEW EnvironmentBridgeVIEW User Manual 2-20 © National Instruments CorporationThe Status Details dialog box, shown in Figure 2-6, disp

Chapter 2 BridgeVIEW Environment© National Instruments Corporation 2-21 BridgeVIEW User ManualFigure 2-6. Status Details Dialog BoxWith the Select Ta

Chapter 2 BridgeVIEW EnvironmentBridgeVIEW User Manual 2-22 © National Instruments CorporationSelect Tag Monitor»Preferences to bring up the Tag Monit

Chapter 2 BridgeVIEW Environment© National Instruments Corporation 2-23 BridgeVIEW User ManualHow Do You Access Online Help?Choose Help»Show Help. Whe

Chapter 2 BridgeVIEW EnvironmentBridgeVIEW User Manual 2-24 © National Instruments CorporationIn the Help window, required inputs appear in bold text,

© National Instruments Corporation 3-1 BridgeVIEW User Manual3Tag ConfigurationThis chapter describes tags, the Tag Configuration Editor, how you edit

Contents© National Instruments Corporation vii BridgeVIEW User ManualWhat Is the Tag Configuration Editor?...

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-2 © National Instruments CorporationGeneral AttributesGeneral attributes include data type, maximu

Chapter 3 Tag Configuration© National Instruments Corporation 3-3 BridgeVIEW User ManualAlarm AttributesAlarm attributes describe abnormal process con

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-4 © National Instruments CorporationFigure 3-1. Tag Configuration EditorThe Tag Configuration Edi

Chapter 3 Tag Configuration© National Instruments Corporation 3-5 BridgeVIEW User ManualNote Communication between the BridgeVIEW Engine and any devic

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-6 © National Instruments CorporationNote If you delete a tag and save the .scf file, the tag and i

Chapter 3 Tag Configuration© National Instruments Corporation 3-7 BridgeVIEW User ManualHow Do You Add Network Tags?On the BridgeVIEW server, all tags

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-8 © National Instruments CorporationThe default values apply when creating a new tag, importing a

Chapter 3 Tag Configuration© National Instruments Corporation 3-9 BridgeVIEW User ManualFor easy viewing and editing in the spreadsheet, press the Use

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-10 © National Instruments CorporationHow Do You Configure Tags?When you configure a tag with the T

Chapter 3 Tag Configuration© National Instruments Corporation 3-11 BridgeVIEW User ManualString TagsA string tag is an ASCII character representation

ContentsBridgeVIEW User Manual viii © National Instruments CorporationAlarms...

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-12 © National Instruments Corporation ConnectionYou associate a tag with its real-world I/O point

Chapter 3 Tag Configuration© National Instruments Corporation 3-13 BridgeVIEW User Manual Figure 3-5. Tag Connection Dialog BoxIf a device server doe

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-14 © National Instruments Corporation I/O Group ConfigurationI/O Groups are used to configure item

Chapter 3 Tag Configuration© National Instruments Corporation 3-15 BridgeVIEW User Manualserver uses devices, with only one device. A server can have

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-16 © National Instruments CorporationTable 3-3 provides descriptions of the operations that can be

Chapter 3 Tag Configuration© National Instruments Corporation 3-17 BridgeVIEW User ManualCommunication Resource Configuration OptionsFor IAK servers,

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-18 © National Instruments CorporationUse the Edit… button to invoke the Edit Device Configuration

Chapter 3 Tag Configuration© National Instruments Corporation 3-19 BridgeVIEW User ManualThe Edit… button invokes a server-dependent configuration dia

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-20 © National Instruments CorporationExample 2When to Use a Memory TagA simple device server retu

Chapter 3 Tag Configuration© National Instruments Corporation 3-21 BridgeVIEW User Manualselecting Append Tags to SCF? (default mode) or you can creat

Contents© National Instruments Corporation ix BridgeVIEW User ManualGeneral Principles of G HMI Programming...

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-22 © National Instruments CorporationYou can use tag groups to help define a subset of tags in the

Chapter 3 Tag Configuration© National Instruments Corporation 3-23 BridgeVIEW User Manual Table 3-4. Operations Configuration AttributesAttributeAppl

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-24 © National Instruments CorporationWhat Is Deadband?In process instrumentation, deadband is the

Chapter 3 Tag Configuration© National Instruments Corporation 3-25 BridgeVIEW User ManualHow Do You Configure a Tag to Log Its Data or Events?While ed

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-26 © National Instruments CorporationThe next sections explain how to scale data. Often your appli

Chapter 3 Tag Configuration© National Instruments Corporation 3-27 BridgeVIEW User ManualAnalog TagsYou can define the raw range and engineering range

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-28 © National Instruments CorporationConfigure the tag for raw range from zero (Raw Zero Scale) to

Chapter 3 Tag Configuration© National Instruments Corporation 3-29 BridgeVIEW User ManualFigure 3-9. Scaling for Discrete Tag ConfigurationBit Array

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-30 © National Instruments CorporationFigure 3-10. Scaling for Bit Array Tag ConfigurationTable 3-

Chapter 3 Tag Configuration© National Instruments Corporation 3-31 BridgeVIEW User ManualAlarmsThese attributes include whether to enable alarms, unde

ContentsBridgeVIEW User Manual x © National Instruments CorporationHow Do You Change the Y Axis? ...

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-32 © National Instruments CorporationHI_HI Limit analog Determines the value, in engineering units

Chapter 3 Tag Configuration© National Instruments Corporation 3-33 BridgeVIEW User ManualAlarm on discrete, bit arrayDetermines whether a discrete tag

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-34 © National Instruments CorporationHow Do You Configure Alarms for a Tag?While editing a tag, cl

Chapter 3 Tag Configuration© National Instruments Corporation 3-35 BridgeVIEW User ManualDiscrete TagsDiscrete tags have one alarm state—either the ta

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-36 © National Instruments CorporationFigure 3-13. Alarms for Bit Array Tag ConfigurationString Ta

Chapter 3 Tag Configuration© National Instruments Corporation 3-37 BridgeVIEW User ManualThis type of situation clogs event files with redundant infor

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-38 © National Instruments CorporationUser Must AckWith this option enabled, an alarm remains unack

Chapter 3 Tag Configuration© National Instruments Corporation 3-39 BridgeVIEW User ManualNote This configuration file uses data simulated by the Tanks

Chapter 3 Tag ConfigurationBridgeVIEW User Manual 3-40 © National Instruments CorporationTable 3-10. Configuration Settings for Activity 3-1Category

Chapter 3 Tag Configuration© National Instruments Corporation 3-41 BridgeVIEW User Manual8. Modify the Mixer, Liquid, and Powder tags, as specified in