Down-Counting in Single Cycle Mode | Schneider Electric SR2MAN01

LD Language Elements

Down-Counting in Single Cycle Mode:

The figure below illustrates the counter function in down-counting and single cycle mode:

Confirmation

Initialization

CURRENT_COUN

TER_VALUE

Preset value

0

+32767

-32767

Output

Up-counting in Repetitive Cycle Mode:

The figure below illustrates the counter function in up-counting and repetitive cycle mode:

Confirmation

Initialization

CURRENT_COUN	+32767
TER_VALUE

Preset value

0

-32767

Output

timing

timing

Time £ timing

The output switches to the Inactive state when the predefined pulse duration value

has run out. If the switch condition is Active before the switch to the Inactive state, the output pulse is extended by the Duration of pulse (Timing).

SR2MAN01 11/2007

125

Image 112

Schneider Electric SR2MAN01 user manual Down-Counting in Single Cycle Mode, Up-counting in Repetitive Cycle Mode

Contents

Zelio Logic Smart Relay 11/2007 Table of Contents Configuration Menu Default MenuClear Program Menu Transfer Menu Diagnostics Implementing a Basic ApplicationDebugging an Application Sample Application Safety Information Important Information Safety Information About the Book At a Glance Chapter Name Initial Power up and Discovering Initial Power up and DiscoveringPresentation Subject of this Chapter Whats in this Chapter? Topic Safety Preliminary Advice Risk of Electric SHOCK, Explosion or Electric Arcing Involuntary Operation of Equipment U 2 5 S E P 1 6 4 Presentation of the Smart Relay Front PanelIntroduction Description Smart Relay Front Panel An Active input or output is displayed in reverse video Description of the LCDPrompt Element Regulated Characteristics and ConnectionsRectified and filtered Control Keys on the Front Panel of the Smart Relay N / S T O PShift Key Menu/OK Key Round for a link only in programming mode Zx KeysAre marked above the keys Navigation keys are used to move left or right, down or up Contextual Using the contextual menu functionsMenus Contextual menu appears Illustration Ins + Param Del Examples Introduction Language SelectionStep Action View Or then E a R P R O G A N S F E R R S I O N N G U a G E D E O P Modification of Date and Hour Then Times in LD modeView 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 Subject of this Section Whats in this Part? Functions Accessible from the Front PanelChapter Chapter Name Line flashes to indicate where you are positioned Overview of the Functions Accessible from the Front PanelTo return to the previous menu, press left navigation key Certain menus are specific to either LD or FBD mode ConfiguringDifferences Between LD FBD Modes Extensions Input/Output Screen Programming type LD or FBD Mode Stop or RUN Inputs-Outputs Screen3 4 5 N 2 2 S E P 1 5 5 Access to Main Menu Switching Between Screens Text and Display screenL u e c o u n t e r T e 1 1 / 2 0 0 Press the Shift key white key to display the contextual menu Result Param is displayed at the bottom of the screen Programming Menu Subject of this Chapter Chapter? Smart relay allows you to enter 120 line Ladder diagrams Rules for Entering Ladder DiagramsFollowing manner M1----I4-I5-I6-Q1 Rules Incorrect Correct Description Entering an Element Method for Entering a Contact or CoilIns Del Steps 7 to 9 are only necessary when entering a coil Modifying an element Initialization Deleting an Element Entering a Link Description Entering a Link Deleting a Link Replacing a Link with a Contact Description Accessibility of parameters Entry of Function Block Parameters Entering Parameters on Creation of the Block Ins. + Param DelModifying Parameters Existing Blocks To modify the parameters of an existing element, simply Deletion Deletion and Insertion of Diagram LinesInsertion Parameters Menu LD modeParameters menu FBD mode Parameter Modification RUN Mode Monitoring Menu To modify the parameters, proceed as follows Startup RUN/STOP MenuFollowing three choices for starting the program O P Off Smart Relays Without Screen Configuration Menu Password Menu Password to perform certain operations Entering Password PasswordE a R 1 Removing E a R 2 3 0 M I N U T E S Filter Menu Description Filter-Type SelectionFiltering Commutation Response time Slow Fast Description Zx Keys in RUN Mode Zx Keys Menu Watchdog Cycle Menu Illustration C L E = 0 5 x 0 2 m S Actions Cycle Time Watchdog Configuration Clear Prog Menu Clear Program MenuDescription Clearing the Program L I O M E M O R Y Transfer MenuM O R Y Z E L I O Module → Backup Memory Transfer Backup Memory → Module Transfer RUN, remove the Eeprom cartridge SR2 MEM02 Absence of backup memory ApplicationIncompatible With firmware on Use of SR2 MEM01 and SR2 MEM02 Version Menu D U L E S R 3 B 2 6 1 B DR D W a R E 0 1 R M W a R E 0 1 1 4 1 B D Language Menu A L I a N O Default Menu Fault MenuFault 0 0 Reset to Zero of the Fault Counter Illustration Fault Types Default Menu Change DATE/TIME Menu A N G E Example Clock ConfigurationSteps Description Change SUMMER/WINTER Menu Smart relays with a clock Configuration of the Time Change To configure automatic time change, proceed as follows LD Language Chapter Chapter Name LD Language Elements LD Language Elements Ladder Diagrams Diagram Panel of a smart relayIntroduction Composition Normally open mode Normally closed modeDiscrete Inputs Use as a Contact State of a ModificationContact Zx Keys Normally closed mode reverse state is active Normally open mode direct state is inactivePlace the mouse over the letter representing the contact They can be used as internal variables Auxiliary RelaysContact Contactor mode Impulse relay modeLatch mode Unlatch mode Normally open mode Modifying the Mode of a Coil or a Contact Following inputs I1, I2, I3, I4, I5 and IB Latching InitializationActivated Window Discrete Discr Outputs Smart relay and any extensions SQ1 Window associated with the output Timers Coil TT Command Input Coil RC Reset InputCommand input Reset input Type of timer Preset value Unit Symbol Form Maximum valueTime unit Parameter lock Command input timing diagram Timer typeNumber Parameter Description Time unit Following diagram shows the operation of the type a timer Off delay type CFollowing diagram shows the operation of the type C timer Active, control held down type a On pulse one shot type B Combination of a and CTiming after pulse type W Following diagram shows the operation of the type D timer Following diagram shows the operation of the type L timerFlasher unit, control held down synchronously type D Flasher unit, Press to start/stop, Synchronous type d Following diagram shows the operation of the type T timer Normally closed mode inverse state is activeTime on addition type T Current values is are zeros Preset value t Illustration Timers configuration screen Coil RC Reset Initial Counter State Input CountersCoil CC Counting Pulse Input Coil DC Counting Direction input Every time key Z1 is pressed, the counter starts from Reset Initial Counter State inputCounting direction input Contact is conducting as long as Type of counting Counter reset input timing diagram Number Parameter Description Command inputCounter output Counter output timing diagram Initialization R Counting Current value is zero Mode toward the preset valueExamples Fast Counter Coil RK1 Reset initial counter state input Coil TK1 Enable function inputEnable function input 120 Cycle type Symbol of the Duration of pulse parameterDuration of pulse Symbol of the Parameter Lock parameter Verrouillé Current Counter Value Counter reset to its initial stateNumber Parameter Description Cycle type Single/Repetitive Up-Counting in Single Cycle Mode Down-Counting in Single Cycle Mode Up-counting in Repetitive Cycle Mode Down-Counting in Repetitive Cycle Mode TK1 RK1 Counter Comparators Analog Comparators Configuration from Front Panel Xl Comparison OperatorX1 H ≤ x2≤ x1 + H Values to compare Hysteresis parameter Reference valueParameter locking N a L O G ≤ ξ 2 ≤ x 1 + H= 4 = R = 1 = I e N a L O G ≤ x = I d = I e Temperature is below 20 C Comparison operator no is chosen, that is ≤ Mode or its inverse state mode normally closed, see below Symbol of the normally open contact, representing a clockSymbol of the normally closed contact, representing a clock Clocks D / W O N O F F RelayNumber Parameter Operating ranges Day at Interval Start on Friday at End on Monday at 2 3 4 2 3 Texts These function blocks are used as coilsOnly the block with the highest number is displayed Display from the Text screen to the inputs-outputs screen Display Activation Display Activation coil Display Deactivation coilDisplay deactivation LCD Screen Backlighting Used as a Coil Change to Summer / Winter Time AccessCheck the Activate Summer/Winter Time Change box Modifying the Mode of a Coil or a Contact Initialization Europe Europe Smart relay Modbus Inputs/OutputsWords sent by the master Use of the Coil Command input Message Configuration from the Front Panel Initialization Creating and Debugging an Application Implementing a Basic Application Works a two-way switch Presentation of Ladder DiagramsNormal electrical diagram Ladder diagram Operation Can be used in place of two position switches Module Wiring Below, an illustration of smart relay wiringMon Using the Reverse Function Input I wired on the smart relay Ladder diagram 1 Light off when idle Electrical diagram Connection to the smart relayPractical Example Off delay Operating Electrical diagram Notation Used by the Smart Relay Electrical symbol Ladder symbolEquivalencies Between Notations 156 Description Go to the Programming Screen Application Implementing a Two-way SwitchStep Action Screen Comment Entering Contacts First Line To enter the contacts in the first line, proceed as follows Step Action Screen Entering the Coil and Joining it to the Contacts Fois Entering Contacts Second Line To enter the contacts in the second line, proceed as follows Joining the Second Line to the First To join the second line to the first, proceed as followsSecond 1 in the second line Flashes To launch the program, proceed as follows Launching the ProgramProgramming is selected Debugging an Application Module in RUN Mode Viewing Status N L D Menus RUN mode Viewing Ladder Diagrams Dynamic Mode Ladder DiagramsChanging Ladder Diagrams Using Z Keys as Pushbuttons 3 4 5 N 2 2 S E P 1 5 5 Accessing Dynamic Mode Function Block ParametersPresentation Dynamic Mode Dynamic Mode MenusMenus Not. Here is a summary table Event of a power failure Smart Relay Reaction to a Power FailureOption defined in the parameters window With the clock function block 1 configured as follows Safety ModeExample of a non-locked coil Backup and Transfer of Ladder Diagrams19 Saving and Transferring Ladder DiagramsMemory optional and vice-versa This allows Sample Application Specifications Specification Analysis InputsButton Outputs Special function blocks Smart relay label Name Implementing the Solution Description Implementing Ladder Diagram O F F 1 2 0 Function Blocks Function block Comment Analog function block A1 Compares the measured CO 2 levelWith the threshold value 8.5 Fan operating duration if the CO Diagnostics Chapter Name Diagnostics 187 Smart Relay Messages 188 Frequently Asked Questions 189 Smart Relay Messages Relay, their possible causes and how to remedy the problemMessage Cause Corrective action Frequently Asked Questions Questions are listed here Asked Questions FrequentlyAnswer Appendices This section contains product-related appendicesAppendix contains the following chapters Appendix? Subject of this CompatibilityChapter Smart relay firmware version Version Memory Cartridge to Smart Relay Type of memory cartridge Version of firmware compatibleSmart relay firmware language Memory cartridge Index Menu Change DATE/TIME Change SUMMER/WINTER, 83 Clear Prog 35007143