ABB DCS 系统 培训课程 系列讲座 Exercises Chapter 7.docx

ABB DCS 系统 培训课程 系列讲座 Exercises Chapter 7.docx

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ABBDCS系统培训课程系列讲座ExercisesChapter7

ExercisestoChapt.7FunctionBlockDiagram（FBD）Language

7.1UsetheFBDlanguage–Exercise7.1

7.1.1Description

ThisexercisedescribestheuseoftheprogramminglanguageFBD.

7.1.2Objectives

Afterthisexerciseyouwillbeableto:

∙ConfigureasmallprogramusingtheFBDlanguage

∙UsepagesintheFBDLanguage.

7.1.3ReferenceDocumentation

IntheOnlineHelp:

Contentstab,FunctionBlockDiagramEditor.

7.1.4Missions

7.1.4.1

UsingtheFBDlanguage

☞UseyourCourseProject

1.OpenProgram2andchangelanguageofthe

codeblocktoFBDlanguage.

Writethemathematicalexpressionbelow,byusingthefunctionAdd.

Sum=Constant1+Integer1

2.Saveandsimulatetheproject

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7.1.4.2Attributesofvariables

☞Thereissomethingwrongabouttheattributesofthevariablesusedinthepreviousexercise.Canyoufindoutwhat?

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7.1.4.3

Variablevalues

☞Changetheattributesonthevariablesinexercise7.1.4.1.

3.ThevariableInteger1shouldretainthevalueafteraColdRestart.

4.IsitnecessarytohavetheattributecoldretainonthevariableSumtomaintainitsvalueaftercoldrestart?

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7.1.4.4Motor_Type

☞Configureaprogramwiththefunctionalitydescribedbelow.

InsertanewcodeblockwithFBDlanguageaftertheexistingcodeblockinProgram2andnameitMotor.

DeclareavariableMotor1ofthestructureddatatypeMotor_Type

Saveandsimulatetheproject

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7.1.5

Solutions–Exercise7.1

7.1.5.1Solution:

UsingtheFBDlanguage

5.OpentheeditorofProgram2.

6.ChangethelanguageofthecodeblockCodefromStructuredTexttoFunctionBlockDiagram.

7.RightclickintheFBDpaneandselectInsertfunction/Functionblock.

8.ExpandtheSystemLibandselectanADDfunctionandclickOK

9.RightclickononeoftheinputpinsoftheADDboxandselectConnect.

10.Anewwindowappears.PressCtrl+J,clickonConstant1,pressEnter.

11.PressApply/Next,PressCtrl+J,clickonInteger1,pressEnter.

12.PressApply/Next,PressCtrl+J,clickonSum,pressEnter.

13.ClickontheOKbutton.

14.

TheFBDpanewillnowlooklikethis.

15.Usetheseicons

and

tocheckandclosethewindow.

16.Select（Tools>SimulateProject）intheprojectexplorermenu.

17.DoubleclickontheProgram2icon.

18.ChangevaluesonthevariableInteger1byrightclickingonitandselectSetValue.

19.Stopthesimulationbyselecting（Tools>StopSimulate）intheprojectexplorermenu.

7.1.5.2Solution:

Attributesofvariables

ThevalueofthevariableSumwillbecalculatedsinceInteger1andConstant1retainstheirvalues.Theorderofthecodewillbesignificant.

7.1.5.3Solution:

Variablevalues

20.GivethevariableInteger1theattributecoldretain.

21.ItisnotnecessarytohavetheattributecoldretainonthevariableSum,becauseafunctiondoesnotsavetheoutputvalue.

7.1.5.4

Solution:

Motor_Type

22.

DeclarethevariableMotor1ofthedatatypeMotor_TypeinthedeclarationpaneofProgram2.

23.InsertanewcodeblockandnameitMotorwiththeFBDlanguage.

24.RightclickintheFBDpaneandselectInsertfunction/Functionblock.

25.ExpandtheSystemLibandselectanORfunctionandclickOK

26.RightclickontheinsertedORboxandselectInsertfunction/Functionblock.

27.InsertanANDfunction,answernotothequestionaboutweretoplacetheelement.

28.

TheFBDpanewillnowlooklikethis:

29.ConnecttheoutputpinfromtheORboxwithoneoftheinputpinsoftheANDboxbyclickingontheoutputpinwiththeleftmousebutton,presstheCtrlkeyandclickononeoftheinputpinsoftheANDbox.

30.RightclickontheunconnectedinputpinoftheANDboxandselectInvert.

31.RightclickontheunconnectedinputpinoftheANDboxandselectConnect.

32.Anewwindowappears.PressCtrl+J,clickonMotor1thenpress.（dot）,ClickonStop,thenpressEnter.ClickontheOKbutton.

33.ConnectMotor1.StarttooneoftheinputsoftheORbox.

34.ConnecttheoutputoftheANDboxtothevariableMotor1.Run.

35.ConnecttheoutputoftheANDboxtotheunconnectedinputoftheORbox:

RightclickontheoutputpintheANDbox,pressCtrlandclickontheunconnectedinputoftheORbox.

36.ClickontheoutputpinoftheANDboxandpressCtrlandtheclickontheunconnectedinputpinoftheORbox.

37.

TheFBDpanewillnowlooklikethis

38.CheckthecodewiththeCheckbutton.

39.ClosethewindowwiththeApplyandClosebutton.

40.Select（Tools>SimulateProject）intheprojectexplorermenu.

41.DoubleclickontheProgram2icon.

42.ChangevaluesonthevariablesbyrightclickingonthemandselectOn/Off.

43.Stopthesimulationbyselecting（Tools>StopSimulate）intheprojectexplorermenu.

7.2

UsepagesintheFBDlanguage–Exercise7.2

7.2.1Description

ThisexercisedescribestheuseoftheFBDlanguagewhenusingmorethanonepageofcode.

7.2.2Objectives

Afterthisexerciseyouwillbeableto:

∙UsepagesintheFBDLanguage.

7.2.3ReferenceDocumentation

IntheOnlineHelp:

Contentstab,FunctionBlockDiagramEditor.

7.2.4Missions

7.2.4.1

Copy/Paste

☞DeclareavariablenamedMotor2ofthedatatypeMotor_Type.

Usethecopyandpastefunctiononthefunctions

（fromexercise7.1.4.3.Motor_Type）

Replace1with2andremovethePastePageBreaksOption,

whenyoupastethecopiedfunctions.

Writecommentslikeitisdonebelow.

Saveandsimulatetheproject

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7.2.5

Solutions–Exercise7.2

7.2.5.1Solution:

Copy/Paste

44.OpentheeditorofProgram2.

45.DeclarethevariableMotor2ofthedatatypeMotor_Type.

46.Expandthestructurepane（thepanetotheleftoftheFBDpanes）.

47.

PressShiftkeyandclickwiththeleftmousebuttonontheORandthenAND.

48.RightclickonAND,selectcopy.（TheORandANDmustbemarkedblue）.

RightclickonAND,selectPaste.

49.

Anewwindowappears.ClickontheOptionstabandremovethePastePageBreakscheckfromthecheckbox.WritelikebelowintheReplaceVariablestab.ClickonReplaceandthenonOK.

50.

Thestructurepanewillnowlooklikethis.

51.RightclickonORonthefirstrowofthestructurepane,

selectEditPageComment…

52.WritethecommentinthewindowandclickOK.

53.RightclickonORonthefirstrowofthestructurepane,selectEditComment…

54.WritethecommentinthewindowandclickOK.

55.

Thestructurepanewillnowlooklikethis.

56.

TheFBDpanewillnowlooklikethis.

57.Saveandsimulate.

58.Stopsimulation

Dukantagbortdennaosynligatextmenlåt

nedanståendePageBreakliggakvar!

Låtävendenefterföljandesidanliggakvar!

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