49144839 Vijeo Cicode Course v7

Cicode Programming

This Presentation is 2005 2007 Citect Pty Ltd

ObjectivesGood Understanding & Competent in Use of CicodeBe Able to Use Cicode in Commands and ExpressionsApply Learning to Your Own Site or ProjectBe Able to Write Your Own Cicode FunctionsKnow How to Debug Your Own Cicode FunctionsThis Presentation is 2005 2007 Citect Pty Ltd


Agenda - Day 1WelcomeIntroduction to CicodeVariable Operators Used in CicodeThe Cicode EditorWriting Simple FunctionsUsing Cicode VariablesConversion FunctionsInclude Files


Agenda - Day 2Conditional ExecutorsCicode Return FunctionsArraysDebugging Your Code


Training Facilities

Emergency ExitsLadies & GentsKitchenBreaks / lunchMobile PhonesCompendium


Welcome

Introduce trainerStudents introduce selfNameEmployerCurrent Citect or SCADA experienceExpected outcomes from training


Training AgreementIts OK to.Express ideasChallenge the facilitatorOffer examplesQuestion Relax


Training AgreementTrainers roleStart and end on timeProfessionally facilitate the exchange of information and knowledge Allow time for (and encourage) inputListen non-defensivelyHelp you learn


Training AgreementYour roleBe on timeParticipateLearn in your own wayProvide honest open feedbackEnjoy yourself


ErgonomicsDesks and chairsAdjust to your comfort levelRelocate screen, keyboard, mouse as requiredEnvironmental conditionsLightingAir conditioningRest and relaxationRegular movementEye strain


Introduction to Cicode Chapter 2


Introduction to CicodeChapter OverviewCommands, Expressions and FunctionsUse Commands to Control ProcessesDisplay Data from Expressions


What is Cicode?A programming language!

A means of extending the functionality of Vijeo Citect projectsInteract with variable tagsExchange data with external sourcesCreate complex formulae

Why do we need it?When we are unable to achieve the required outcome by configuring graphics pages

For the programmers in the audience:Its like any high-level language, but without complex structures, pointers, recursion or inheritance


Cicode Project Pre-configured project: Cicode_Milk


Pasteurisation Page


Chapters Page


Restore Milk ProjectRestore Milk project from the folder supplied by your facilitator

Compile the project and then run the Computer Setup Wizard (express)

Run Milk project

Test Pasteurisation page

View Chapters page


CommandsCicode Commands can be issued:

ManuallyOperator types in commandsClicking on a button or object on a graphics page

AutomaticallyOperator logs in or out of the runtime systemA graphics page is opened or closedAn alarm is triggeredIn a reportWhen an event is triggered


Cicode CommandsSingle statement or group of statements


Open Chapters PageCreate buttons to turn Silo Agitator off and on


Create 2 buttons in the Chapters Page

Compile and Test by switching to the Chapters Page to view results


Setting VariablesExecute CommandDigital TagChange status of Tag

Analog TagSet value of TagVariable1=valueVariable1=Variable2Plant1_Pump=1 ;Plant1_Pump=0 ;Oven_Temp=10 ;Oven_Temp=Kettle_Temp;


String VariablesSet variable

BATCH_NAME = Bread

Literal strings must be enclosed in quotation marks


ExpressionsAny combination of variables, operators, and statements which evaluate to some result

8 + 4Motor_Speed / 5

Calculations in a Cicode statementResult = Operand1 + Operand2 Operand3


Displaying DataDisplayed Value changes as value of expression changesExpressionchangesValuechanges


Multiple StatementsMultiple statements can be separated by a semi-colon ; Kettle_Temp=10 ;Oven_Temp=Kettle_Temp ;Batch_Name=Bread ;


Multiple statementsAdd a prompt

TIC_P4_PV = TIC_P1_PV + TIC_P2_PV ;Prompt("Calculation is Finished")


Operator InputDefine keyboard Command as a Key sequenceKey Sequence ending in ENTERAllows up to 3 characters to be enteredF2 signals start ofKey Sequence


ArgumentsArg1 provides input to variables by Keyboard entry Conveyor_Speed=Arg1

Conveyor_Speed=ArgValue1

DoThisThenDoThat(Arg1,Arg2)VariableArgument #1Argument #1Checks for Numeric valueArgument #1Argument #2 123 , 345


Enter Keyboard Key DefinitionChange Misc1 properties


Calling FunctionsDefinitionFunction A general term used for a subroutineParentheses identifies statement as functionFunctionName(Arg1,Arg2 )

Prompt(Shutdown)Shutdown()Arguments passedto the functionName of the Function


Calling functions


Function InformationLook up in online help PromptShutdownPageDisplay


Passing Data to FunctionsFunctions can support 0,1 or many argumentsPrompt(Press F1 for Help)

JunkFunction(1st Argument,2nd Argument)

Arguments passedto the functionPlace double quotes around any string passed to a function


Add Key sequence to projectRBUTTON_UP executes command anywhere on pageNot RBUTTON_CMD_UPSearch capability


Invoke external programs from within Vijeo Citect1. Find Excel in Windows Explorer2. Click & Drag to a CommandWindow3. Copy & Paste to Vijeo Citect


Multiple ArgumentsAll arguments must be listedSeparate arguments with a comma ,Argument order is importantStrings are quotedLogin(Manager, ABC)

Login IDPassword


Passing Numeric ArgumentsBoth Integers and Floating Point numbers can be passed to a functionINTREAL


AssWin("!Valve",580,150,512+8+1,Valve_Cool_CMD")Name of Popup windowLocation on screenMode of Popup windowTag


Passing Variable ArgumentsWhen variables are used as argumentsValue of variable is passed, not variable string itselfDspStr - Displays a string at a specified AN DspStr(25,TextFont, COAL_LEVEL);

DspStr(25,TextFont, COAL_LEVEL);Animation Point numberDisplay using this fontValue of COAL_LEVEL variable will DisplayCOAL_LEVEL string will Display as its quoted


DspStr(326, "ControlLimits", Recipe)AN 326


Returning DataFunctions can return a value to the calling statementSuccess 0 Failure error numberorDataAs in: date()Prompt(Hello, + FullName() )Result of FullName used as a parameter to Prompt


%Tag%=FormNumPad("Enter",%Tag%,0)Pass Value from num-pad into Tag variableTitle given to number padValue passed if cancelledMode standard in this case


Execute Function on StartupMessage(Startup,Hello World,64)Select Custom Mode

Modify


Summary of VariablesDigital (a.k.a. Boolean or Logical)Digital_Variable = 0Digital_Variable = 1Digital_Variable1 = Digital_Variable2

Integer (-32768 - +32767)Integer_Variable = 34Integer_Variable = -1274Integer_Variable1 = Integer_Variable2 + 3

Strings (Up to 255 characters)String_Variable = appleString_Variable = string variableString_Variable1 = String_variable2 + more text

Datatypes MUST match during assignments


Data TypesFredVariablePLC variableCicode variableFredStringFred()Function[Fred]Path substitutionArray index{Fred}Field definitionCompile error context


Chapter 2 - Summary QuestionsWhat are the two mechanisms to activate a command?

What is a Cicode expression?

What character is used to combine several tasks?

What is the syntax to call a function?

What is the result of enclosing a tag in double-quotes?

How do you set a system start-up function?


Introduction to CicodeChapter SummarySetting variablesUsing expressionsOperator inputPassing data to functionsReturning data from functions


Variable Operators Chapter 3


Variable OperatorsChapter OverviewClasses of Operators in CicodeOrder of Precedence


Classes of OperatorsMathematical


IntToStr() functionUsed where function only accepts stringsUse a function like IntToStr()

Prompt( Value + IntToStr(Tag_1))


MOD Operator TIC_P2_PV = TIC_P4_PV MOD 10

ConcatenationMessage(P2" , TIC_P2_PV = " + IntToStr(TIC_P2_PV) , 64)


Logical OperatorsOperator True returns1Operator False returns0

OperatorDescriptionOperatorANDLogical ANDBinaryORLogical ORBinaryNOTLogical NOTUnaryXORLogical XORBinary


Truth Tables


Agitator_Silo_V = Agitator_Alfast_V AND Centrifuge_Clar_VAgitator_Silo_V will be turned on ONLY when both Agitator_Alfast_V and Centrifuge_Clar_V are turned on.


Create multi-state text object


Bit OperatorsStandard bit operators

11011AND 1101 = 01001


Relational OperatorsTests the relationship between two values

OperatorDescription=is equal tois not equal tois greater than=is greater than or equal to


Create advanced alarm


Format OperatorConvert numeric values into formatted stringsTag1 : ###.#

Display tag1 as three digits before and one digit after the decimal point

OperatorDescription: (colon)String Format


Format Operators


Format Operator

Message(P3" , TIC_P3_PV:###.##,64)TAGFormat


Operator order of Precedence

OrderOperator1()2NOT3* , / , MOD4:5+ , -6< , > , =7= , 8AND9OR10BITAND, BITOR, BITXOR


Precedence ExamplesTag_1 OR Tag_2 AND NOT Tag_3 NOT Tag_3AND Tag_2OR Tag_1 (Tag_1 OR (Tag_2 AND (NOT Tag_3)))


Test Order of Precedence

Centrifuge_Clar_V = NOT Agitator_Silo_V AND Agitator_Alfast_V


Chapter 3 - Summary QuestionsName two of the classes of operators used in Cicode.

How do you test the relationship between two values?

How do you convert numeric values into formatted strings?

Why are brackets used in formulas?


Variable OperatorsChapter SummaryMathematical operatorsLogical operatorsRelational operatorsOrder of precedence


The Cicode Editor Chapter 4


The Cicode EditorChapter OverviewStarting the Cicode EditorCompile, Run and Debug Your CodeFile Navigation FeaturesCode Editing ToolsDockable Windows and ToolbarsChanging Preferences


Starting the Cicode EditorClick on Cicode Editor iconSelect New Cicode page


Context Sensitive HelpM

Cursor anywhere on Logout termHit Key


Open the Cicode EditorSave as Training


Compile & RunGoTo button providedProvides line number where error occurred

Compile & RunCompile onlyError shown

GoTo error


GoTo ErrorsCompiler points to errorClick GoTo ButtonError Condition


FUNCTIONChangeValue()TagValue1=10ENDFUNCTIONChangeValue()TagValue1=10ENDERROR


New Editor FeaturesColour CodingAuto IndentingComment / Uncomment feature


Enhanced File NavigationTabs give 3 different viewsView open Files


Changing ToolbarsClick and drag to reposition toolbarsRight Click toolbar area backgroundAdds New toolbars


Indent and CommentOutdentUncommentIndentCommentSelect textClick comment icon


CommentsComment your code constantlyPreface every Cicode file with

/*DESCRIPTION:Function to do this and thatMore description here*///REVDATEAUTHORDESCRIP//1.002/12/04B.BobOriginal//2.001/04/05I.RabbittAdd BlowUpIkea() function////NOTES:All functions will be written in Cicode //project given in the courses

FUNCTION DoThisAndThat()! Function starts here

Int iCounter// Local loop counterC-style block comments (dangerous! What about overlap?)C++ style commentsLine comments


Bookmarks & BreakpointsClearPreviousToggle BookmarkNextLeft Click - BreakpointRight Click - Bookmark


nAN = ANbyName(WebBrowser) ;DspSetTip(nAN, My Web Browser) ;Experiment with bookmarks comments and indentsUse Comments Liberally


List FunctionsContext sensitive function list Select List Functions

Right Click in text


Intellisense AutopromptTyping function and opening bracket displays AutopromptFunction list displays Autoprompt


REALFUNCTIONAreaOfCircle(REAL rRadius)RETURN (3.141 * Pow(rRadius,2)) ;END_______________________________________FunctionTest()AreaOfCircle(20)END


PreferencesCustomising Cicode EditorView | PreferencesTo change options


Cicode Preferences


Chapter 4 - Summary QuestionsHow can you view files easily?

Why use bookmarks and breakpoints?

How can you change the look of the code window?


The Cicode EditorChapter SummaryStarting the editorGoto errorsFile navigationEditing toolsFunction toolsPreferences


Cicode Functions Chapter 5


Cicode FunctionsChapter OverviewSimple FunctionsStructure of a FunctionPublic & Private FunctionsDeclaring & Naming FunctionsStatementsVoid FunctionsCicode VariablesInclude Files


Simple FunctionsPUBLICFUNCTIONIncCounter()IF Count < 100 THENCOUNT=COUNT + 1;ELSECOUNTER = 0 ;ENDENDScope of Function Public or PrivateStart of FunctionName of FunctionStart of Code

End of IF statementEnd of Code


Function Syntax PseudocodeHELLOStandUp()IF told THENStand Up ;ELSERemain Seated;FinishedGOODBYE


Function ElementsScopeDeclarationNameStatement


ScopePUBLICDefaultShared across ProjectPRIVATEOnly works within Cicode file where written


Declaring FunctionsIndicates beginning and end of function code

ScopeFUNCTIONFunctionName()Statement ;END


Naming FunctionsUp to 32 charactersDo not use reserved wordsCase insensitiveUse CamelCaseUpperCamelCaselowerCamelCase

ScopeFUNCTIONFunctionName()Statement ;END


StatementsPerform the work in the function

PUBLICFUNCTIONStatementExample()IF MASH_PUMP THENPROMPT(Mash Pump On);ELSE PROMPT(Mash Pump Off); ENDEND

Statements


Void FunctionsDo not return any data to the calling function

PUBLICFUNCTIONVoidExample()IF MASH_PUMP THENPROMPT(Mash Pump On);ELSE PROMPT(Mash Pump Off); ENDEND


PUBLICFUNCTIONMyDateTime()MISC1=Date(3);MISC2=Time(1);END

PUBLICFUNCTIONAudAlarm()DspPlaySound([RUN]:Tada.wav,0);Message(Alarm,Holding Tube too Hot,48);ENDHTA.H OR HTA.HH


FUNCTIONAverageEx1()TIC_P2_PV = (TIC_P1_PV + TIC_P4_PV) / 2END


Cicode VariablesLocated in Computer memoryTemporary data storageData TypesStrings - STRINGIntegers - INTReal Numbers - REALPLC RegistersComputer Memory


Declaring Cicode VariablesLike Variable Tags a Data Type must be specified for Cicode Variables

Global, Module, Local


Cicode Variable SyntaxSyntax: SCOPE DATATYPE NAME = INITIALVALUE

GLOBAL STRING sMyString = ! Null Value GlobalModuleLocalSTRINGINTREALVariable NameInitialize Variable


Global Cicode VariablesValid across all Cicode files and all include projectsMaintenance more difficultLocal variables preferred

GLOBAL STRING gsDefaultPage = MIMIC ;INTFUNCTIONGlobalExample(String sPage)

INT iStatus ;iStatus = PageDisplay(sPage) ;IF iStatus 0 THENPageDisplay(gsDefaultPage) ;ENDRETURN iStatus ;END


Module Cicode VariablesSpecific to the file where it is declaredDefault for Cicode variablesDeclare before functions use itMultiplies maintenance issues


Local Cicode VariablesSpecific to function where declaredAny variable defined within a function is local by default (no prefix required)Only valid while function executesLocal variables take precedence if name conflict occurs


Local Cicode Variables

PUBLICINTFUNCTIONLocalExample()INT iAverage ;iAverage=(TAG1 + TAG2) /2;RETURN iAverageEND


Variable Naming Standards Hungarian Notation Initial (lowercase) letter describes variable usageCoined by Charles Simonyi of MicrosoftApplications Hungarian vs. System Hungarian


FUNCTIONAudAlarm2(STRING sFile, STRING sTitle, STRING sMessage)DspPlaySound(sFile,0);Message(sTitle,sMessage,48);END

AudAlarm2("C:\WINDOWS\Media\chimes.wav", Oven Temp", Holding Tube Too Cold")Button


Converting Cicode VariablesConvert Data Types for further processing

IntToStr()RealToStr()StrToInt()StrToReal()

Input()StrToInt()Calculations+-*/


Use RealToStr functionNeed to convert number to string for use by message() functionRealToStr(Number, Width, Places) Number: The floating-point number to convertWidth: The width of the entire stringPlaces: Number of decimal places in the string

Message(Holding Tube,RealToStr(TIC_HOLD_PV,6,3),64)

Eg the specification 6,3 can store 12.345


Enter a value into a Tag

FUNCTIONOperatorInput()STRING sTag//sTag is a stringsTag=Input("ENTER","Enter a value","");// Displays dialog box, operator can input a // single value (Title, Prompt, Default)LIC_Silo_PV=StrToInt(sTag);// Convert sTag value to string and place in // LIC_Silo_PV variableEND


Display Time

Cent_RT is the accumulator TimeToStr(Time, Format, UTC)

TimeToStr(Cent_RT,5)


Include FilesCommand field limited to 128 CharactersInclude Files accommodate a single complex statement sequenceAny valid DOS filename Convention: Filename.cii Referenced by:@DO Include


Create an Include fileUse Notepad

AudAlarm2(C:\WINDOWS\Media\chimes.wav, Holding Tube, Holding Tube Too Cold)


Chapter 5 - Summary QuestionsHow many built-in functions are supplied with Vijeo Citect?

What are the four basic elements of Functions?

How and why use the Private function attribute?

What is declaring a function?

How many characters can be used in a function name?

What is the statement?

What are Void functions?

What is a Cicode variable?

What is an include file?


Cicode FunctionsChapter SummaryElements of a functionVoid functionsCicode variablesConverting and formatting variablesInclude files


Conditional Executors Chapter 6


Conditional ExecutorsChapter OverviewFour conditional executorsIFFORWHILESELECT CASE


IF StatementExecute code based on result of a test

IF .. THEN or IF .. THEN .. ELSE

IF test expression THENTrue Statements ;END

- Or -

IF test expression THENTrue Statements ;ELSEFalse Statements ;END


Use IF .. THEN .. ELSE statement FUNCTIONIF_Example1()IF Centrifuge_Clar_V = 1 THENMessage(Clarifier Status, Running,64)ELSEMessage(Clarifier Status,Stopped,64)ENDEND


Use IF THEN ELSE using Cicode variables FUNCTION// set data types for variables in this functionIF_Example2(INT iTag1, STRING sTitle, STRING sOnMessage, STRING sOffMessage)// If Tag1 is on then display On popupIF iTag1 = 1 THENMessage(sTitle , sOnMessage ,64)ELSE// Tag is 0 display Off PopupMessage(sTitle , sOffMessage ,64)// End of IF statementEND// End of FunctionEND


FOR LoopExecute statements a number of times

FOR variable = expression1 TO expression2 DOStatements ;ENDVariable used as counterStart Count ValueEnd Count ValueCountExp1++ ++++Exp2Statements


Sleep & SleepMS// Sleep for 1 secondSleep(1)

// Sleep for 500 millisecondsSleepMS(500)


FOR LoopExecute statements a number of times FUNCTIONIncrementLevel()// Counter is an IntegerINT Counter ; // Set Counter to count 10 levels FOR Counter = 0 TO 9 DO// Add 1 to counterTagX = tagX + 1; Sleep(2);// End of FOR loopENDEND


FUNCTIONFOR_ExampleX()INT Counter;INT iSP;INT iPV;iSP = LIC_Balance_SP;iPV = LIC_Balance_PV; Use sleep(1) to delay the loop


Increase LIC_Balance_PV

FUNCTIONFOR_Example1()INT Counter;INT iSP;INT iPV;iSP = LIC_Balance_SP;iPV = LIC_Balance_PV;FOR Counter = iPV TO iSP - 1 DO LIC_Balance_PV = LIC_Balance_PV + 1;SleepMS(300);ENDEND


Decrease LIC_Balance_PV

FUNCTIONFOR_Example2()INT Counter;INT iSP;INT iPV;iSP = LIC_Balance_SP;iPV = LIC_Balance_PV;FOR Counter = iSP TO iPV - 1 DO LIC_Balance_PV = LIC_Balance_PV - 1;SleepMS(300);ENDEND


FUNCTIONFOR_Example3()INT Counter;INT iSP;INT iPV;iSP = LIC_Balance_SP;iPV = LIC_Balance_PV;IF LIC_Balance_PV > LIC_Balance_SP THENFOR Counter = iSP TO iPV - 1 DO LIC_Balance_PV = LIC_Balance_PV - 1; SleepMS(300);ENDELSEFOR Counter = iPV TO iSP-1 DO LIC_Balance_PV = LIC_Balance_PV + 1; SleepMS(300); ENDENDEND


WHILE LoopExecute statements while condition is true

WHILE Expression DOStatements ;END

WHILE Trigger DOCount = Count + 1 ;Sleep(1) ;END


Decrement LIC_Balance_PV while Pump_Feed_CMD is trueSet LIC_Balance_PV to 100 when Pump_Feed_CMD is false

FUNCTIONWHILE_Example1()WHILE Pump_Feed_CMD = 1 AND LIC_Balance_PV > 20 DO LIC_Balance_PV = LIC_Balance_PV -1;SleepMS(500);END LIC_Balance_PV = 100 Pump_Feed_CMD = 0 !optionalEND


Select Case StatementExecutes one of a choice of statements

SELECT CASE ExpressionCASE CaseExpression1,CaseExpression2Statements ;CASE CaseExpression3 TO CaseExpression4Statements ;CASE IS > CaseExpression5 , IS < CaseExpression6Statements ;CASE ELSEStatements ; ! nothing satisfiedEND SELECT


Case Expressions


FUNCTIONWhatDayIsIt()

SELECT CASE Delivery_Day CASE 0 MISC2 = "SUNDAY"; CASE 1 MISC2 = "MONDAY"; CASE 2 MISC2 = "TUESDAY"; CASE 3 MISC2 = "WEDNESDAY"; CASE 4 MISC2 = "THURSDAY"; CASE 5 MISC2 = "FRIDAY"; CASE 6 MISC2 = "SATURDAY";CASE ELSEMessage(" Invalid ",Not a valid number",64);END SELECTEND


Chapter 6 - Summary QuestionsWhat are the two formats of the IF statement?

Why is the FOR loop used?

Why is the WHILE loop used?

Which statement is used to execute one of several groups of statements, depending on the result of an expression?


Conditional ExecutorsChapter SummaryIF statementFOR loopWHILE loopSELECT CASE statement


More Cicode Functions Chapter 7


More Cicode FunctionsChapter OverviewReturn FunctionsCicode ArraysComments


Return FunctionsReturn functions return data to calling function

HowAreYou()RETURN(I am fine)


Return FunctionsMust declare the returning Data typeFunction CalledEvaluate Statements & store in memoryResult returned& Stored in Tag or Variable


Functions Returning ValuesReturn Values

PUBLICINTFUNCTIONReturnExample()Blah;Return(3);END

Return Values

PUBLICSTRINGFUNCTIONCurrentRecipe() Blah; Return(Full Cream Milk);ENDData Type returnedData Type returned


Create FunctionFUNCTIONAverageEx1()TIC_P2_PV = (TIC_P1_PV + TIC_P4_PV) /2ENDReturn FunctionINT ! return data type is IntegerFUNCTIONAverageEx2()RETURN (TIC_P1_PV + TIC_P4_PV) /2 ! return expressionEND


Create Function AverageEx3() INTFUNCTIONAverageEx3(INT iTagX, INT iTagY)RETURN (iTagX + iTagY)/2END


Change OperatorInput() to a Return function INTFUNCTIONEnterTagValue()STRING sTagsTag=Input("ENTER","Enter a value","");RETURN StrToInt(sTag);END


Bugs Part 1// Return the area of a circle into Pizza_Area given the// radius in Pizza_Size// Note the use of local variables and database variables

FUNCTIONAreaofPizza() rArea = pi()* POW(Pizza_Size,2); Pizza_Area = rArea;

END


Bugs Part 1, Answers// Return the area of a circle into Pizza_Area given the// radius in Pizza_Size// Note the use of local variables and database variables

FUNCTIONAreaofPizza()real rArea; rArea = pi()* POW(Pizza_Size,2); Pizza_Area = rArea;

END

What about Pizza_Area & Pizza_Size? Probably a Variable tag or a global variable, judging by the usage


Bugs Part 2// This function will convert the diameter of the variable// tag from inches to centimetres// This is a RETURN function.

FUNCTIONInchToCent(REAL a)

REAL rCent rCent=a*2.54

END


Bugs Part 2, Answers// This function will convert the diameter of the variable// tag from inches to centimetres// This is a RETURN function.

REALFUNCTIONInchToCent(REAL a)

REAL rCent; rCent=a*2.54;RETURN(rCENT)

END


Bugs Part 3// Show the value of Pizza_Area on the prompt line.

FUNCTIONPromptPizza(REAL rRealValue)

Prompt("The area of the Pizza is " + rRealValue); Sleep(3); Prompt("");

END


Bugs Part 3, Answers// Show the value of Pizza_Area on the prompt line.

FUNCTIONPromptPizza(REAL rRealValue)

Prompt("The area of the Pizza is " + RealToStr(rRealValue,6,3)); Sleep(3); Prompt("");

END

Alternate: ...Pizza is " + rRealValue:##.###)


ArraysArrays hold equally-sized data elements, of the same data type. Individual elements are accessed by index using a consecutive range of integers

INT Apartment[4]Unit A Apartment[0]Unit B Apartment[1]Unit C Apartment[2]Unit D Apartment[3]

ABCDIndex[0]Index[1]Index[2]Index[3]


ArraysINT MyArray[10]INT Count ;For Count = 0 to 9 doMyArray[Count]=Count+1 ;END


Initialising an ArraySTRING Array[5]=This,is,a,string,array;

Array is satisfied as:

Array[0]=ThisArray[1]=isArray[2]=aArray[3]=stringArray[4]=array


Array DimensionsArrays can have more than one dimension

INT MyArray[Dim1Size][Dim2Size][Dim3Size] = Values ;

STRING StrArray[5] ; ! ListREAL Result[5][2] ; ! 2-D TableINT IntArray[4][3][2] ; ! 3-D Table


Using ArraysArrays are declared as Module or Global (cannot be declared locally)Placed at the beginning of a Cicode fileDo not exceed the bounds of the arrayYou cannot pass an entire array into a Cicode function


Assign text description to numeric Tag

STRING sRecipeArray[5] = Full Cream", Lite", Sport", Skim", High protein";

STRING FUNCTIONRecipeSelection()END


STRING sRecipeArray[5] = Full Cream", Lite", Sport", Skim", High protein";

STRINGFUNCTIONRecipeSelection()STRING sRecipe;INT iRecipe;

sRecipe = Input("Recipe Number","Enter a number between 0 and 4","");iRecipe = StrToInt(sRecipe);SELECT CASE iRecipeCASE 0 TO 4RETURN sRecipeArray[iRecipe];CASE ELSEMessage("Error","Not a valid number",64);END SELECTEND


CommentsComment ,Comment and Comment again

! Single Line CommentFunction()/* Multiple Line commentsCan extend over several linesEnd comment block with a delimiter- Cannot be started on the same line as a statement*/Function2()// Another style of comment// Begin each line with forward slashes


Chapter 7 - Summary QuestionsWhat does a return function do?

What is an Array?

Why should comments be included in all Cicode files?


More Cicode FunctionsChapter SummaryReturn functionsDebugging codeArraysComments


Cicode Debugger Chapter 8


Cicode DebuggerChapter OverviewStarting the DebuggerDebug OptionsDebug your Code


Citect KernelCovered in Intermediate CourseCore of the Vijeo Citect systemLow-level diagnostic and debuggingUse with extreme careSecure access over-rides all other security measuresCommand Line interface


Cicode Editor in Debug ModeOpen Debug ToolbarRight-Click on blank area of toolbar


Open and test Pizza pageToggle Breakpoints


Find ErrorsFromDevFind(hDev,sPizzaNumber,NUMBER) ;ToDevFind(hDev,sPizzaNumber,NUM) ;


Advanced Stepping


Chapter 8 - Summary QuestionsExplain debug mode.

There are three tools to control stepping through functions. What are they?


Cicode DebuggerChapter SummaryCicode editor environmentAdvanced stepping


Did we Achieve the Objectives?Good Understanding & Competent in Use of CicodeBe Able to Use Cicode in Commands and ExpressionsApply Learning to Your Own Site or ProjectBe Able to Write Your Own Cicode FunctionsKnow How to Debug Your Own Cicode Functions


SCADA Training RoadmapUpgrade & New FeaturesNetworking & ArchitectureCustomisation & DesignCicode ProgrammingVijeo Citect Configuration


End of CourseQuestionsCertificatesCCSE CertificationCourse evaluationwww.citect.com/evaluation


This Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis Presentation is 2005 2007 Citect Pty LtdThis 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49144839 Vijeo Cicode Course v7

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Transcript of 49144839 Vijeo Cicode Course v7