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Schneider Electric SR2MAN01 user manual LD Language Elements, At a Glance, Topic, Page

Models: SR2MAN01

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LD Language Elements

At a Glance

Subject of this Chapter

What's in this Chapter?

This chapter describes the different automation functions of the LD language.

This chapter contains the following topics:

Topic	Page

Introduction	88

Discrete Inputs	89

Zx Keys	91

Auxiliary Relays	93

Discrete (DISCR) Outputs	98

Timers	101

Counters	111

Fast Counter	118

Counter Comparators	128

Analog Comparators	129

Clocks	134

Texts	138

LCD Screen Backlighting	140

Change to Summer / Winter Time	141

Modbus Inputs/Outputs	143

Message	144

SR2MAN01 11/2007

Page 74

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Schneider Electric SR2MAN01 LD Language Elements, At a Glance, Subject of this Chapter Whats in this Chapter?, Topic, Page

Contents

Zelio Logic Smart Relay User Manual SR2MAN01 11/2007Part II Functions Accessible from the Front Panel Table of ContentsPart I Initial Power up and Discovering Chapter 1 Initial Power up and DiscoveringPart III LD Language Chapter 8 CONFIGURATION MenuChapter 13 DEFAULT Menu Chapter 9 CLEAR PROGRAM MenuPart IV Creating and Debugging an Application Part V DiagnosticsChapter 21 Diagnostics AppendicesDANGER Safety InformationImportant Information SR2MAN01 11/2007 Safety Information2007 Schneider Electric. All Rights Reserved About the Book At a GlanceInitial Power up and Discovering Initial Power up and DiscoveringPresentation Subject of thisSubject of this Chapter Whats in this Chapter? Initial Power up and DiscoveringPresentation TopicSafety Preliminary AdviceRISK OF EXPLOSION DANGERRISK OF ELECTRIC SHOCK, EXPLOSION OR ELECTRIC ARCING RISK OF ELECTRIC SHOCK OR FIREINVOLUNTARY OPERATION OF EQUIPMENT RISK OF UNEXPECTED OPERATIONPresentation of the Smart Relay Front Panel Introduction Description of the Smart Relay Front PanelPrompt Description of the LCDMenu / OK ElementRECOMMENDED Characteristics and ConnectionsInitial Power up and Discovering POSSIBLEMenu / OK Control Keys on the Front Panel of the Smart RelayDescription Shift Keyare marked above the keys z Round for a link only in programming modeZx Keys The navigation keys are used to move left or right, down or upcontextual menu appears ContextualMenus IllustrationMenu / OK ExamplesIntroduction Language Selection Step ActionStep Action Menu / OKMenu / OK ViewStep Action Initial Power up and Discovering5 Return to the INPUT-OUTPUT screen using the left navigation key ViewMenu / OK Modification of Date and HourMenu / OK Step ActionView Menu / OKStep Action V E R S I O N L A N G U A G E D E F A U L T C H A N G E D / HSubject of this Section Whats in this Part? Functions Accessible from the Front PanelAt a Glance ChapterOverview of the Functions Accessible from the Front PanelFunctions Accessible from the Front Panel of the Smart Relay DescriptionExtensions ConfiguringDifferences Between LD and FBD Modes Subject of this Chapter Whats in this Chapter? Input/Output ScreenAt a Glance TopicMenu / OK Inputs-Outputs ScreenDescription Access to the Main MenuSwitching Between the Screens TEXT and DISPLAY screenpreset value, etc. on the LCD display instead of the INPUTS-OUTPUTS DescriptionPress the Shift key white key to display the contextual menu Menu / OKStep Result Param is displayed at the bottom of the screenSubject of this Chapter PROGRAMMING MenuPresentation Menu / OKPROGRAMMING Menu Whats in thisChapter? TopicDescription Rules for Entering Ladder DiagramsI1-H1-C1-M1- T2- CC1 I2 Z1 Z3 Correct RulesIncorrect Menu / OK Method for Entering a Contact or CoilDescription Entering an Element Modifying an element Initialization Deleting an Element Description Entering a Link Entering a LinkNote Accessible only in LD mode / smart relay in STOP mode Menu / OKDeleting a Link Replacing a Link with a Contact Entry of Function Block Parameters Description Accessibility of parametersMenu / OK Entering Parameters on Creation of the Blockins. - + Param Del Modifying the Parameters of Existing Blocksdeletion of all the control diagram lines Deletion and Insertion of Diagram LinesNote Accessible only in LD mode / smart relay in STOP mode DeletionLD mode PARAMETERS MenuPARAMETERS Menu DescriptionParameters in FBD mode Parameter ModificationRUN Mode z From the PARAMETERS see PARAMETERS Menu, p. 51 menuDescription MONITORING MenuMONITORING Menu Step Action Parameter ModificationTo modify the parameters, proceed as follows R U N P R O G RUN/STOP MenuRUN/STOP Menu W I T H L A T C H I N G I N I TY E S S T O PP R O G Off Smart Relays Without ScreenPresentation CONFIGURATION MenuNote The CONFIGURATION menu is only available in STOP mode Subject of this Chapter Whats in this Chapter?E N T E R PASSWORD MenuP A S S W O R D 0 0 0Password Entering PasswordThe ENTER message appears in the window Entry procedure Initially, the key is not displayed and each digit is set toMenu / OK PasswordIllustration IllustrationFILTER Menu Description Filter-Type SelectionS T O P L D Zx KEYS Menu1 2 3 4 5 M O N 2 2 S E P 1 5 5Illustration WATCHDOG CYCLE MenuDescription C Y C L E = 0 5 x 0 2 m SC Y C L E = 0 5 x 0 2 m S Actions Cycle Time WATCHDOG ConfigurationThe WATCHDOG can perform the following different actions Note Accessible only in LD mode CLEAR PROGRAM MenuCLEAR PROG Menu Description Clearing the ProgramDescription TRANSFER MenuTRANSFER Menu IllustrationModule → Backup Memory Transfer TRANSFER MenuBackup Memory → Module Transfer Application z Absence of backup memoryz Configurations of the hardware and program to transfer incompatible incompatibleUse of SR2 MEM01 and SR2 MEM02 Description VERSION MenuVERSION Menu IllustrationH A R D W A R E 0 1 . 0 E X TX T 1 4 1 B D F I R M W A R E 0 1 . 0E N G L I S H LANGUAGE MenuLANGUAGE Menu F R A N C A I SReset to Zero of the Fault Counter DEFAULT MenuFAULT Menu Description002 Clock write fault Fault TypesNumber Type of fault 000 No faults 001 Fault in writing to EEPROM 053 Link fault between smart relay and bus-type extensionNumber Type of fault Description CHANGE DATE/TIME MenuCHANGE DATE/TIME Menu IllustrationSteps Description Clock ConfigurationExample C H A N G E S U M / W I N CHANGE SUMMER/WINTER MenuCHANGE SUMMER/WINTER Menu E U R O P EStep Action Configuration of the Time ChangeTo configure automatic time change, proceed as follows Subject of this Section Whats in this Part? LD LanguageAt a Glance ChapterSubject of this Chapter Whats in this Chapter? LD Language ElementsAt a Glance TopicDiagram IntroductionLadder Diagrams DescriptionNormally closed mode Discrete InputsNormally open mode Descriptioncontact Modification ofthe state of a InitializationNormally closed mode Zx KeysNormally open mode DescriptionContact Modification ofthe State of a InitializationAuxiliary Relays DescriptionLatch mode Contactor modeImpulse relay mode Unlatch modeNormally closed mode Normally open modeSymbol of an auxiliary relay, used as a contact in normally open mode Initialization Modifying the Mode of a Coil or a ContactExample Latching Impulse relay mode Discrete DISCR OutputsContactor mode DescriptionLatch mode Unlatch modeModifying the Mode of a Coil or a Contact Normally open modeNormally closed mode InitializationTimers DescriptionCommand input z Coil TT Command Inputz Coil RC Reset Input Reset inputType of timer Normally open modeNormally closed mode M S Preset valueTime unit H MA = 0 0 2 0 B = 0 0 4 LatchingM S Menu / OKActive, Press to start/stop type a Off delay type CActive, control held down type A The following diagram shows the operation of the type W timer The following diagram shows the operation of the type A/C timerThe following diagram shows the operation of the type B timer A/C Combination of A and CFlasher unit, Press to start/stop, Synchronous type d Note each pulse on the TTx input resets the current timer value toFlasher unit, control held down synchronously type D Flasher unit, control held down asynchronously type LTime on addition type T Modifying the Mode of a Coil or a ContactFlasher unit, Press to start/stop asynchronously type l InitializationM S ExampleThe stairway light is linked to the Q4 output of the smart relay 0 2 3Description Countersz Coil RC Reset Initial Counter State Input Use of CoilsCounting direction input Reset Initial Counter State inputZ1 RC1 I2 DC1Normally closed mode Normally open modeSymbol of the normally open contact associated with a counter The contact is conducting as long asParameter lock Preset valueType of counting P = 0 0 1 7 LatchingT T O Menu / OKCurrent counter Modifying the Mode of a Coil or a Contactvalue Current counter valueExamples Initializationz The current value is zero The counter is incremented each time input I1 is activatedFast Counter DescriptionEnable function input z coil TK1 Enable function inputz coil RK1 Reset initial counter state input Reset initial counter state inputThe contact is conducting as long as Normally open modeNormally closed mode Cycle type Preset valuez Repetitive In the TO mode, the current value is reinitialized when it reaches the preset value and in FROM mode, it is reset to the preset value when it reaches zero Duration of pulseNon verrouillé Type of countingParameter lock I = 0 0 0 0 counter reset to its initial stateLatching P = + 0 0 0 1Up-Counting in Single Cycle Mode timing Down-Counting in Single Cycle ModeUp-counting in Repetitive Cycle Mode Time £ timingDown-Counting in Repetitive Cycle Mode Confirmationz The current value is zero Modifying the Mode of a Coil or a ContactInitialization ExampleNormally closed mode Counter ComparatorsNormally open mode ConfigurationNormally closed mode Analog ComparatorsNormally open mode Descriptionx1 - H ≤ x2≤ x1 + H Configuration from Front Panelxl Comparison Operator Values to compareParameter locking Reference valueHysteresis parameter Configuration of a single comparator from the front panel Example Modifying the Mode of a Coil or a ContactInitialization A N A L O GThe contact is conducting when the clock is in a validity period ClocksNormally open mode Normally closed mode0 2 5 Configuration from Front PanelH 1 D / W H M O NCombining Example Using the four clock ranges with different modesModifying the Mode of a Coil or a Contact Programming modes can be mixed for the same clockLD Language Elements Texts DescriptionDisplay deactivation z Display Activation coil z Display Deactivation coilDisplay Activation Used as a Coil LCD Screen BacklightingDescription Normally open mode Change to Summer / Winter TimeAccess Normally closed modeThe following operating modes are possible Modifying the Mode of a Coil or a Contact InitializationParameters No no changeParameters Modbus Inputs/OutputsDescription to masterDescription MessageCommand input Use of the CoilModifying the Mode of a Coil or a Contact Normally open modeNormally closed mode Configuration from the Front Panel InitializationSubject of this Section Whats in this Part? Creating and Debugging an ApplicationPresentation ChapterSubject of this Chapter Whats in this Chapter? Implementing a Basic ApplicationPresentation TopicLadder diagram Presentation of Ladder DiagramsNormal electrical diagram DescriptionI4 I5 I6 I7 can be used in place of two position switchesI1 I2 OutputsDescription Using the Reverse Functioninput I wired on the smart relay To illustrate how this function works, we shall use a simple examplePractical Example Electrical diagramLadder diagram 1 Light off when idle I2 I3 I4 I5 I6 I7Electrical diagram Off delayElectrical diagram Implementing a Basic ApplicationElectrical symbol Notation Used by the Smart Relayz Electrical symbols z Ladder symbols z Smart relay symbols Ladder symbolz LCD screen back-light function block This is used to control the backlighting of the LCD by a program Menu / OK Application Implementing a Two-way SwitchDescription Go to the Programming Screen Menu / OKComment Entering the Contacts in the First LineStep Action Screen Implementing a Basic ApplicationStep Action The 2 flashesScreen Entering the Coil and Joining it to the ContactsStep Action CommentScreen Entering the Contacts in the Second LineStep Action Commenti1-I Joining the Second Line to the FirstI1-i2----------Q1 Implementing a Basic ApplicationMenu / OK Launching the ProgramMenu / OK Menu / OKSubject of this Chapter Whats in this Chapter? Debugging an ApplicationPresentation TopicMenu / OK Module in RUN Mode Viewing StatusIntroduction Debugging an ApplicationMenus in RUN modeContextual Menu / OKChanging Ladder Diagrams Dynamic Mode Ladder DiagramsViewing Ladder Diagrams Debugging an Application Using Z Keys as PushbuttonsMenu / OK SR2MAN01 11/2007Presentation Dynamic Mode Function Block ParametersAccessing ModifyingMenus Dynamic Mode MenusDynamic Mode not. Here is a summary tableLatching Smart Relay Reaction to a Power FailureDescription Safety Mode Description Backup and Transfer of Ladder Diagrams19Saving and Transferring Ladder Diagrams Transferring anSubject of this Chapter Whats in this Chapter? Sample ApplicationPresentation TopicAutomatic Gate SpecificationsObjective Counting Vehicles Open TimeInputs Specification AnalysisDescription ButtonName Special function blocksSmart relay label Implementing the Solution Description Implementing the Ladder Diagramblocks Configuring theFunction Blocks R = 8 A 1 s A N A L O GI b ≥ R x 1 = I b = 0Diagnostics DiagnosticsThis chapter will help you find solutions to operating problems PresentationSubject of this Chapter Whats in this Chapter? DiagnosticsPresentation TopicMessage Smart Relay MessagesDescription CauseDescription Frequently Asked QuestionsDiagnostics questions are listed hereAsked Questions Here below are the most frequently asked questions and their answersFrequently AnswerIntroduction AppendicesAt a Glance Whats in thisSubject of this CompatibilityAt a Glance ChapterSmart relay firmware version IntroductionCompatibility Version of theMemory Cartridge to the Smart Relay IntroductionProgram from compatibility is always true the SR2 MEM02 Index Zx Keys Menu CHANGE DATE/TIME CHANGE SUMMER/WINTER, 83 CLEAR PROGModbus LD I/Os SR2MAN01 11/2007