156 | Schneider Electric SR2MAN01 instruction

Implementing a Basic Application

Other Elements Other elements are also available using a smart relay, such as:

zTimer function block: Used to delay, prolong and control and action for a set length of time,

zCounter function block: Used to count the pulses received on an input,

zClock function block: Used to trigger or release actions on precise days or at precise times,

zAnalog comparator function block: Used to compare an analog value with a reference value or with another analog value after allowing for a hysteresis factor,

zAuxiliary relays: These are used to save or relay the status of the smart relay,

zZx keys: After confirming this function, Z keys may be used as pushbuttons,

zFast counter function block: The fast counter function is used to count pulses up to a frequency of 1 kHz.

zLCD screen back-light function block: This is used to control the backlighting of the LCD by a program,

zSummer/winter time change function block: The output of this function is in an OFF state over the entire duration of winter time, and switches to ON for the entire duration of summer time,

zCounter Comparator block: This function is used to compare the current counting values of two counters,

zText block: This is used to display text or numerical values (current value or preset value).

Note: Blocks Counter Comparator and Text are not programmable from the front panel.

Note: For the list of all ladder diagram elements available when using smart relays, as well as details on their functions and parameters, see the chapter entitled LD Language Elements, p. 87.

156	SR2MAN01 11/2007

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Schneider Electric SR2MAN01 user manual 156

Contents

11/2007 Zelio Logic Smart Relay Table of Contents Default Menu Configuration MenuClear Program Menu Transfer Menu Implementing a Basic Application DiagnosticsDebugging an Application Sample Application Important Information Safety Information Safety Information At a Glance About the Book Initial Power up and Discovering Chapter Name Initial Power up and DiscoveringPresentation Topic Subject of this Chapter Whats in this Chapter? Preliminary Advice Safety Risk of Electric SHOCK, Explosion or Electric Arcing Involuntary Operation of Equipment Presentation of the Smart Relay Front Panel U 2 5 S E P 1 6 4Introduction Description Smart Relay Front Panel Description of the LCD An Active input or output is displayed in reverse videoPrompt Element Characteristics and Connections RegulatedRectified and filtered N / S T O P Control Keys on the Front Panel of the Smart RelayShift Key Menu/OK Key Zx Keys Round for a link only in programming modeAre marked above the keys Navigation keys are used to move left or right, down or up Using the contextual menu functions ContextualMenus Contextual menu appears Illustration Ins + Param Del Introduction Language Selection ExamplesStep Action View E a R P R O G A N S F E R R S I O N N G U a G E Or then D E O P Then Times in LD mode Modification of Date and HourView A N G E D / H U L 2 0 0 2 7 3 0 s Secs / WK View 3 4 B C D E Functions Accessible from the Front Panel Subject of this Section Whats in this Part?Chapter Chapter Name Overview of the Functions Accessible from the Front Panel Line flashes to indicate where you are positionedTo return to the previous menu, press left navigation key Configuring Certain menus are specific to either LD or FBD modeDifferences Between LD FBD Modes Extensions Input/Output Screen Inputs-Outputs Screen Programming type LD or FBD Mode Stop or RUN3 4 5 N 2 2 S E P 1 5 5 Main Menu Access to Text and Display screen Switching Between ScreensL u e c o u n t e r T e 1 1 / 2 0 0 Result Param is displayed at the bottom of the screen Press the Shift key white key to display the contextual menu Subject of this Chapter Programming Menu Chapter? Rules for Entering Ladder Diagrams Smart relay allows you to enter 120 line Ladder diagramsFollowing manner Rules Incorrect Correct M1----I4-I5-I6-Q1 Method for Entering a Contact or Coil Description Entering an ElementIns Del Modifying an element Initialization Deleting an Element Steps 7 to 9 are only necessary when entering a coil Description Entering a Link Entering a Link Deleting a Link Replacing a Link with a Contact Entry of Function Block Parameters Description Accessibility of parameters Ins. + Param Del Entering Parameters on Creation of the BlockModifying Parameters Existing Blocks To modify the parameters of an existing element, simply Deletion and Insertion of Diagram Lines DeletionInsertion LD mode Parameters MenuParameters menu RUN Mode FBD mode Parameter Modification Monitoring Menu To modify the parameters, proceed as follows RUN/STOP Menu StartupFollowing three choices for starting the program Off Smart Relays Without Screen O P Configuration Menu Password to perform certain operations Password Menu Password Entering PasswordE a R 1 Removing 3 0 M I N U T E S E a R 2 Description Filter-Type Selection Filter MenuFiltering Commutation Response time Slow Fast Zx Keys Menu Description Zx Keys in RUN Mode Illustration C L E = 0 5 x 0 2 m S Watchdog Cycle Menu Actions Cycle Time Watchdog Configuration Clear Program Menu Clear Prog MenuDescription Clearing the Program Transfer Menu L I O M E M O R YM O R Y Z E L I O Module → Backup Memory Transfer RUN, remove the Eeprom cartridge SR2 MEM02 Backup Memory → Module Transfer Application Absence of backup memoryIncompatible With firmware on MEM02 Use of SR2 MEM01 and SR2 D U L E S R 3 B 2 6 1 B D Version MenuR D W a R E 0 1 R M W a R E 0 1 1 4 1 B D A L I a N O Language Menu Fault Menu Default MenuFault 0 0 Reset to Zero of the Fault Counter Illustration Fault Types Default Menu A N G E Change DATE/TIME Menu Clock Configuration ExampleSteps Description Smart relays with a clock Change SUMMER/WINTER Menu To configure automatic time change, proceed as follows Configuration of the Time Change Chapter Chapter Name LD Language Elements LD Language LD Language Elements Diagram Panel of a smart relay Ladder DiagramsIntroduction Composition Normally closed mode Normally open modeDiscrete Inputs Use as a Contact Modification State of aContact Zx Keys Normally open mode direct state is inactive Normally closed mode reverse state is activePlace the mouse over the letter representing the contact Auxiliary Relays They can be used as internal variablesContact Impulse relay mode Contactor modeLatch mode Unlatch mode Normally open mode Following inputs I1, I2, I3, I4, I5 and IB Modifying the Mode of a Coil or a Contact Initialization LatchingActivated Window Smart relay and any extensions Discrete Discr Outputs SQ1 Window associated with the output Timers Coil RC Reset Input Coil TT Command InputCommand input Reset input Type of timer Unit Symbol Form Maximum value Preset valueTime unit Parameter lock Timer type Command input timing diagramNumber Parameter Description Time unit Off delay type C Following diagram shows the operation of the type a timerFollowing diagram shows the operation of the type C timer Active, control held down type a Combination of a and C On pulse one shot type BTiming after pulse type W Following diagram shows the operation of the type L timer Following diagram shows the operation of the type D timerFlasher unit, control held down synchronously type D Flasher unit, Press to start/stop, Synchronous type d Normally closed mode inverse state is active Following diagram shows the operation of the type T timerTime on addition type T Current values is are zeros Preset value t Illustration Timers configuration screen Counters Coil RC Reset Initial Counter State InputCoil CC Counting Pulse Input Coil DC Counting Direction input Reset Initial Counter State input Every time key Z1 is pressed, the counter starts fromCounting direction input Contact is conducting as long as Type of counting Number Parameter Description Command input Counter reset input timing diagramCounter output Counter output timing diagram Initialization R Counting Mode toward the preset value Current value is zeroExamples Fast Counter Coil TK1 Enable function input Coil RK1 Reset initial counter state inputEnable function input 120 Symbol of the Duration of pulse parameter Cycle typeDuration of pulse Symbol of the Parameter Lock parameter Verrouillé Value Counter reset to its initial state Current CounterNumber Parameter Description Cycle type Single/Repetitive Up-Counting in Single Cycle Mode Up-counting in Repetitive Cycle Mode Down-Counting in Single Cycle Mode Down-Counting in Repetitive Cycle Mode TK1 RK1 Counter Comparators Analog Comparators Xl Comparison Operator Configuration from Front PanelX1 H ≤ x2≤ x1 + H Values to compare Reference value Hysteresis parameterParameter locking ≤ ξ 2 ≤ x 1 + H N a L O G= 4 = R = 1 = I e N a L O G ≤ x = I d = I e Comparison operator no is chosen, that is ≤ Temperature is below 20 C Symbol of the normally open contact, representing a clock Mode or its inverse state mode normally closed, see belowSymbol of the normally closed contact, representing a clock Clocks Relay D / W O N O F FNumber Parameter Operating ranges Interval Start on Friday at End on Monday at Day at 2 3 2 3 4 These function blocks are used as coils TextsOnly the block with the highest number is displayed Display from the Text screen to the inputs-outputs screen Display Activation coil Display Deactivation coil Display ActivationDisplay deactivation Used as a Coil LCD Screen Backlighting Access Change to Summer / Winter TimeCheck the Activate Summer/Winter Time Change box Europe Europe Modifying the Mode of a Coil or a Contact Initialization Modbus Inputs/Outputs Smart relayWords sent by the master Message Use of the Coil Command input Configuration from the Front Panel Initialization Creating and Debugging an Application Implementing a Basic Application Presentation of Ladder Diagrams Works a two-way switchNormal electrical diagram Ladder diagram Module Wiring Below, an illustration of smart relay wiring Operation Can be used in place of two position switchesMon Input I wired on the smart relay Using the Reverse Function Electrical diagram Connection to the smart relay Ladder diagram 1 Light off when idlePractical Example Off delay Operating Electrical diagram Electrical symbol Ladder symbol Notation Used by the Smart RelayEquivalencies Between Notations 156 Application Implementing a Two-way Switch Description Go to the Programming ScreenStep Action Screen Comment To enter the contacts in the first line, proceed as follows Entering Contacts First Line Step Action Screen Fois Entering the Coil and Joining it to the Contacts To enter the contacts in the second line, proceed as follows Entering Contacts Second Line To join the second line to the first, proceed as follows Joining the Second Line to the FirstSecond 1 in the second line Flashes Launching the Program To launch the program, proceed as followsProgramming is selected Debugging an Application N L D Module in RUN Mode Viewing Status Menus RUN mode Dynamic Mode Ladder Diagrams Viewing Ladder DiagramsChanging Ladder Diagrams 3 4 5 N 2 2 S E P 1 5 5 Using Z Keys as Pushbuttons Dynamic Mode Function Block Parameters AccessingPresentation Dynamic Mode Menus Dynamic ModeMenus Not. Here is a summary table Smart Relay Reaction to a Power Failure Event of a power failureOption defined in the parameters window Safety Mode With the clock function block 1 configured as followsExample of a non-locked coil Saving and Transferring Ladder Diagrams Backup and Transfer of Ladder Diagrams19Memory optional and vice-versa This allows Sample Application Specifications Inputs Specification AnalysisButton Outputs Smart relay label Name Special function blocks Description Implementing Ladder Diagram Implementing the Solution Function Blocks O F F 1 2 0 Compares the measured CO 2 level Function block Comment Analog function block A1With the threshold value 8.5 Fan operating duration if the CO Chapter Name Diagnostics 187 Diagnostics Smart Relay Messages 188 Frequently Asked Questions 189 Relay, their possible causes and how to remedy the problem Smart Relay MessagesMessage Cause Corrective action Questions are listed here Frequently Asked Questions Frequently Asked QuestionsAnswer This section contains product-related appendices AppendicesAppendix contains the following chapters Appendix? Compatibility Subject of thisChapter Version Smart relay firmware version Type of memory cartridge Version of firmware compatible Memory Cartridge to Smart RelaySmart relay firmware language Memory cartridge Index Change DATE/TIME Change SUMMER/WINTER, 83 Clear Prog Menu 35007143