Schneider Electric SR2MAN01 manual

Zelio Logic 2 Smart Relay User Manual SR2MAN01 11/2007[...]

3 Table of Contents Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 About the Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Part I Initial Power up and Discovering . . . . . . . . . . . . . . . . . . 11 Chapter 1 Initial Power up and Discovering . . . . . . . . . . [...]

4 Chapter 8 CONFIGURATION Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 PASSWORD Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 FILTER Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 Zx KEYS Menu . . . . . . . [...]

5 Part IV Creating and De bugging an Application . . . . . . . . . . . 147 Presentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147 Chapter 17 Implementing a Basic Application . . . . . . . . . . . . . . . . . . . . . 149 Presentation of Ladder Diagrams . . . . . . . . . . . . . . . . . [...]

SR2MAN01 11/200 7 7 § Safety Information Important Information NOTICE Read these instructions carefully, and look at the equipment to become familiar with the device before trying to insta ll, operate, or maintain it. The following special messages may appear throughout this documentation or on the equipment to warn of potential hazards or to call[...]

Safety Information 8 SR2MAN 01 11/2 007 PLEASE NOTE Electrical equipment should be installed, o perated, serviced, and maintain ed only by qualified personnel. No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material . © 2007 Schneider Electric. All Rights Reserved.[...]

SR2MAN01 11/200 7 9 About the Book At a Glance Document Scope This manual describes the use of functions accessib le from the front panel of the smart relay. This document is divided into 5 part s and addresses the following topics: z Part I: Powering up and Discovering the Smart Relay z General presentation of the smart relay z Part II: Functions [...]

SR2MAN01 11/200 7 11 I Initial Power up and Discovering Presentation Subject of this Section This section presents the operation and ma in characteristics of the smart relay. What's in this Part? This part contains the following chapters: Chapter Chapter Name Page 1 Initial Power up and Discovering 13[...]

SR2MAN01 11/200 7 13 1 Initial Power up and Discovering Presentation Subject of this Chapter This chapter presents the operation and ma in characteristics of the smart relay. What's in this Chapter? This chapter contains the following topics: Topic Page Safety 14 Presentation of the Smart Relay Front Panel 17 Characteristics and Connections 19[...]

Initial Power up and Discovering 14 SR2MAN 01 11/2 007 Safety Preliminary Advice Preliminary advice and general sa fety precaut ions relating to in stalling smart relays: z Remember that only qualified personnel ar e authorized to implement the smart relay. z Read this instruction sh eet and the User Guide to learn the procedures prior to installin[...]

Initial Power up and Discovering SR2MAN01 11/200 7 15 DANGER RISK OF ELECTRIC SHOCK, EXPLOSION OR ELECTRIC ARCING Power off the smart relay prior to insta lling, removing, wirin g, maintaining or inspecting a smart relay system. Failure to follow thi s instruction wi ll result in death o r serious injury. WARNING RISK OF EXPLOSION Precautions: z Co[...]

Initial Power up and Discovering 16 SR2MAN 01 11/2 007 WARNING INVOLUNTARY OPERATION OF EQUIPMENT Precautions: z Power off the smart relay prior to instal lation, deinsta llation, wiring, maintenance or operation of the unit. z The emergency stop and the locking ci rcuits should be configu red in the software program of the smart re lay. z In the e[...]

Initial Power up and Discovering SR2MAN01 11/200 7 17 Presentation of the Smart Relay Front Panel Introduction Smart relays are designed to simplify the electrical wiring of i ntelligent solutions. A smart relay is very simple to implement. Its flexibility and its high performance allow users to save significant amounts of time and money. This User[...]

Initial Power up and Discovering 18 SR2MAN 01 11/2 007 Description of the LCD The illustration b elow presents an example of LCD display elements when displaying the INPUT-OUTPUT screen: * An ACTIVE input or output is displayed in reverse video. Prompt Elem ent 1 Retractable mounting feet. 2 Screw terminal block for the power supply. 3 LCD display,[...]

Initial Power up and Discovering SR2MAN01 11/200 7 19 Characteristics and Connections Introduction Here is detailed information on the charac teri stics of DC smart relay conne ctions. Recommended connection It is recommended to connect the smart relay to a regulate d DC power supply: Possible Connection It is possible to conne ct the smart relay t[...]

Initial Power up and Discovering 20 SR2MAN 01 11/2 007 Control Keys on t he Front Panel of the Smart Re lay Description Th e keys located on the front panel of the sm art relay are used to configure, progra m and control the a pplication and mo nitor the application's progress. Illustration: Shift Key The Shi ft key is the white key located on[...]

Initial Power up and Discovering SR2MAN01 11/200 7 21 Zx Keys The Zx keys are the gray keys aligned from le ft (Z1) to right (Z4) and locate d under the LCD. The arrows indi cating the movem ent direction asso ciated with navigation are marked above the keys. The navigation keys are used to move left or right, down or up. The position on the screen[...]

Initial Power up and Discovering 22 SR2MAN 01 11/2 007 Contextual Menus When the cursor is placed on a modifiable parameter, if the Shift key is pressed, a contextual menu appears. Illustration: Using the co ntextual menu functio ns: z + / - : Used to scroll through the various possible values of th e selected field (types of inputs, outputs, autom[...]

Initial Power up and Discovering SR2MAN01 11/200 7 23 Examples Introduction We will now see two examples of h ow to use the smart relay’s keys. Language Selection Example 1: Here are details on how to select the language of the smart relay: Step Action 1 Powering up On initial powering-up, the INPUT- OUTPUT screen is displayed (See: Inputs-Output[...]

Initial Power up and Discovering 24 SR2MAN 01 11/2 007 3 Enter in the language selection menu. View: Note : The activated option flashes and it is also indicated by a black diamond. 4 Select and confirm the language (the select ion is shown in flashing text). The Menu/OK button is used to confirm the selection of the new language. The display retur[...]

Initial Power up and Discovering SR2MAN01 11/200 7 25 5 Return to the INPUT-OUTPUT screen using the left navigation key. View: Step Action 1 2 3 4 B C D E S T O P L D F R I 2 5 N O V 1 6 : 4 0 1 2 3 4[...]

Initial Power up and Discovering 26 SR2MAN 01 11/2 007 Modification of Date and Hour Example 2: Here are details on procedure to follow to modify the date and time of the initial power up or followin g a long lasting power failure. Step Action 1 From the INPUT-OUTPUT screen, enter the MAIN menu, then go to the CHANGE D/ H menu: View: 2 Enter the da[...]

Initial Power up and Discovering SR2MAN01 11/200 7 27 3 Select the parameter to modify using the arrows (the sele ction is highlighted by the blinking of the parameter): Modify the parameter using the navigation keys: Then confirm with the Menu/OK key: The Menu/OK button is used to confirm the modifications. The display returns to the MAIN menu whe[...]

SR2MAN01 11/200 7 29 II Functions Accessible from the Front Panel At a Glance Subject of this Section This section describes the f unctions that can be accessed from the front panel of the smart relay. What's in this Part? This part contains the following chapters: Chapter Chapter Name Page 2 Overview of the Functions Ac cessible from the Fron[...]

SR2MAN01 11/200 7 31 2 Overview of the Functions Accessible from the Front Panel Functions Accessible from the Front Panel of t he Smart Relay Description From the front panel of the smart relay, you may: z Program (in LD mode), z Configure, z Control the applic ation, z Monitor the performanc e of the application. Illustration: The line flashes to[...]

Overview of the Functions Accessible from the Front Panel 32 SR2MAN 01 11/2 007 Managing Menus The inputs-outputs screen i s display ed by defaul t whether the mode be LD or FBD . Pressing the Menu/OK key switches the display from the inpu ts-outputs screen to the main menu. The menu on the first row which is select ed by default (flashing). The an[...]

SR2MAN01 11/200 7 33 3 Input/Output Screen At a Glance Subject of this Chapter This chapter describes the characteristics of the input-outpu t screen. What's in this Chapter? This chapter contains the following topics: Topic Page Inputs-Outputs Screen 34 TEXT and DISPLAY screen 36[...]

Input/Output Screen 34 SR2MAN 01 11/2 007 Inputs-Outputs Screen Description Th e inputs-outputs screen is the highest-leve l interface. It is di splayed by default, when no ( TEXT or DISPLAY ) display function is active and regardless of: z The programming type: LD or FBD , z the mode: STO P or RUN . Illustration: The inputs-outputs screen can be u[...]

Input/Output Screen SR2MAN01 11/200 7 35 Access to the Main Menu Pressing the Menu/OK key switches the display from the inputs-outputs screen to the main menu: z PROGRAMMING ( LD STOP mode), z MONITORING ( LD RUN mode), z PARAMETERS, z RUN / STOP, z CONFIGURATION (STOP mode), z CLEAR PROG. ( LD STOP mode), z TRANSFER (STOP mode), z VERSION, z LANGU[...]

Input/Output Screen 36 SR2MAN 01 11/2 007 TEXT and DISPLAY screen Description Th e display functions are used to display te xt or numerical values (current value, preset value, etc.) on the LCD display in stead of the INPUTS-OUTPUTS : z In LD mode: A TEXT function is active, z in FBD mode: A DISPLAY function is active. Illustration: If several disp[...]

Input/Output Screen SR2MAN01 11/200 7 37 Modify Displayed Values In RUN mode, when the TEXT / DISPLAY screen is displayed, it is possible to modify, from the front panel, th e disp layed values whose modifica tion was authorized in the block function parameters window. To do this, proceed as follows: Step Step Action Press the Shift key (white key)[...]

SR2MAN01 11/200 7 39 4 PROGRAMMING Menu Presentation Subject of this Chapter This chapter describes the characteristics of the PROGRAMMING menu sp ecific to LD mode / smart relay in STOP mode. This function lets the use r enter the ladder diagrams that will work on th e smart relay. This program is written only using a ladder diagra m LD. Illustrat[...]

PROGRAMMING Menu 40 SR2MAN 01 11/2 007 What's in th is Chapter? This chapter contains the following topics: Topic Page Rules for Entering Ladder Diagrams 41 Method for Entering a Contact or Coil 43 Entering a Link 45 Entry of Function Block Parameters 47 Deletion and Insertion of Diagram Lines 49[...]

PROGRAMMING Menu SR2MAN01 11/200 7 41 Rules for Entering Ladder Diagrams Description A smart relay allows you to enter 120 line Ladder diagrams. The smart relay’s display screen is used to display these lines, 4 at a time, in the following manner: Each line comprises 5 fields each with 2 characters reserved for contacts (conditions). The 4 centra[...]

PROGRAMMING Menu 42 SR2MAN 01 11/2 007 Data Entry Rules Make sure you respect the following rules when you enter a lad der diagram: Rules Incorrect Correct Each coil must on ly be entered once in the right hand column Elements used as contacts may be entered as many times as necessary in the 5 left hand columns. Links must always run from left to r[...]

PROGRAMMING Menu SR2MAN01 11/200 7 43 Method for Entering a Contact or Co il Description This section describes the procedures for performing the following operations: z Entering an element, z Modifying an element, z Deleting an Element. This is valid for : contact or coil elements, whether the parame ters can be set or not. Entering an Element Whe[...]

PROGRAMMING Menu 44 SR2MAN 01 11/2 007 Modifying an element, To modify an existing control diagram eleme nt, simply: z Position the pointer over the element to modify: Step 1 in the previous table, z Select the desired new element: Ste ps 3 to 6 . Initialization Status of contacts on program initialization: z A contact i n normally-o pen mode (dire[...]

PROGRAMMING Menu SR2MAN01 11/200 7 45 Entering a Link Description This section describes the procedures for performing the following operations: z Entering links between elements, z Deleting links between e lements, z Replacing a link with a contact. Entering a Link Links are entered exclusively usin g the round flashing cursor. Entry procedure: No[...]

PROGRAMMING Menu 46 SR2MAN 01 11/2 007 Modifying a Link To modify an existing lin k, simply: z Place the cursor over the link to modify: step 1 z Modify the link: Steps 2 to 5 . Deleting a Link To delete a link, simply: z Place the cursor over the element to delete: step 1 . z Simultaneously press the Shift and Menu/OK keys. Two scenarios are possi[...]

PROGRAMMING Menu SR2MAN01 11/200 7 47 Entry of Function Block Paramet ers Description When entering a control diagram, the parameters of the configurable automation functions must be completed. The automation functions with parameters are the follow ing: z Auxiliary relays (see Auxiliary Relays, p. 93 ) (latching), z Discrete Outputs (see Discrete [...]

PROGRAMMING Menu 48 SR2MAN 01 11/2 007 Entering Parameters on Creation of the Block Parameters are entered in the same way, wha tever the parameters screen: Modifying the Parameters of Existing Blocks To modify the param eters of an existing elemen t, simply: Step Action 1 Enter the desired automation function: Step 1 of the element entry (see Meth[...]

PROGRAMMING Menu SR2MAN01 11/200 7 49 Deletion and Insertion of Diagram Line s Deletion Diagram lines are d eleted line-by line. The procedure is the following: Insertion The procedure is th e following: Note: Accessible only in LD mode / smart relay in STOP mode. Step Action 1 Place the cursor over the line to delete. 2 Delete all t he elements in[...]

SR2MAN01 11/200 7 51 5 PARAMETERS Menu PARAMETERS Menu Description This menu is used to enter and modify the application paramet ers directly on the screen using the smart relay keys. This function can be accessed in the two modes: LD and FBD , but the contents will be sp ecific to the mode used. If there are non-locked parameters to display they a[...]

PARAMETERS Menu 52 SR2MAN 01 11/2 007 FBD mode Functions with parameters in FBD mode: z Numerical Constant-Type Inputs, z Clocks, z Gain, z Timers: TI MER A/C, TI MER B/H, TIMER Li, z Counters: PRESET COUNT, z Fast counter, z CAM block. To access the parame ters of the FBD bl ocks, you must know end enter the block number. This number appears in th[...]

SR2MAN01 11/200 7 53 6 MONITORING Menu MONITORING Menu Description MONITORING mode can be used to obta in a dynamic view of the state of the smart relay inputs/outputs. In this mode the wiring diagram appears as it does in the PROGRAMMING (see PROGRAMMING Menu, p. 39 ) menu (smart relay in STOP mode), but appear in reverse video when inputs or outp[...]

MONITORING Menu 54 SR2MAN 01 11/2 007 Parameter Modification To modify the parameters, proceed as follows: Step Action 1 Use the navigation keys to move the cu rsor over the element to modify: Step 1 of the element entry (see Method for Entering a Contact or Coil, p. 43 ) procedure. 2 At the same time, hold down Shift and the Param key to open the [...]

SR2MAN01 11/200 7 55 7 RUN/STOP Menu RUN/STOP Menu Description This function is used to start or st op the pro gram in the smart relay: z In STOP mode: The program is stopped and the outputs disabled , z In RUN mode (with or without in itialization of latching parame ters): The program is executed. Startup In STOP mode, when accessing the RUN/ST OP[...]

RUN/STOP Menu 56 SR2MAN 01 11/2 007 Off In RUN mode, when accessing the RU N/STOP menu, the interface asks th e user to confirm the request to stop the program: z YES : The program stops (selected by default), z NO : The program does not stop. Illustration: The navigation keys are used to ch ange the selection. When the mode has been confirmed with[...]

SR2MAN01 11/200 7 57 8 CONFIGURATION Menu Presentation Subject of this Chapter The CONFIGURATION menu provides access to the followi ng 4 functions: z PASSWORD, z FILTER, z Zx KEYS, z WATCHDOG & CYCLE This chapter describes the characteristics of these functions. What's in this Chapter? This chapter contains the following topics: Note: Use[...]

CONFIGU RATION Menu 58 SR2MAN 01 11/2 007 PASSWORD Menu Description If th e program is password-protected (key icon appears), the user must enter the password to perform certain operations. The password protects access to the following menus: z PROGRAMMING ( LD STOP mode), z MONITORING ( LD RUN mode), z CONFIGURATION (STOP mode), z CLEAR PROG. ( LD[...]

CONFIGURATION Menu SR2MAN01 11/200 7 59 Entering Password Initially, the key is not displayed and each digit is set to 0. The ENTER message appe ars in the windo w. Entry procedure: Removing Password To cancel the password, follow the sa me procedure used to enter it. Initially, the key icon is displayed, meaning: Smart rela y protected. The messag[...]

CONFIGU RATION Menu 60 SR2MAN 01 11/2 007 The following scena rios may arise: z Password correct : The password is then inhibited, and the smart rel ay returns to the PASSWORD menu, z Password incorrect : The CLEAR counter is incremented. Illustration: If an incorrect password is entered 5 times consecutively, the security function is locked for 30[...]

CONFIGURATION Menu SR2MAN01 11/200 7 61 FILTER Menu Description This function is used to detect more quickl y any cha nges in states of Discrete inputs. Two choices are available: z Fast, z Slow. Response time: This selection can only be made when the sm art relay is in STOP. By default, the smart relays are configured in SLOW. Filter-T ype Selecti[...]

CONFIGU RATION Menu 62 SR2MAN 01 11/2 007 Zx KEYS Menu Description The Zx KEYS opti on is used to activate or deactivate the use of the navigation keys as pushbuttons. Different functions can be obtai ned depending on th e state of this option: z Inactive : The keys are only avail able for setting, configuring and programming the smart relay. z Act[...]

CONFIGURATION Menu SR2MAN01 11/200 7 63 WATCHDOG CYCLE Menu Description The duration of a progra m cycle depends on its len gth and complexity: In particul ar, the type and number of inputs-outpu ts and the numb er of extensions. The program is executed periodicall y at regu lar ti me interva ls. This time interval is called the cycle time. The pro[...]

CONFIGU RATION Menu 64 SR2MAN 01 11/2 007 Actions The WATCHDOG can perform the following different actions: z INACTIVE : normal operating mode, z ALARM : A warning state is set and the warning number correspondi ng to Cycle time overrun is accessible in the FAULT menu, z ERROR : the program stops (STOP mode) and the error number corresponding to: C[...]

SR2MAN01 11/200 7 65 9 CLEAR PROGRAM Menu CLEAR PROG Menu. Description This function is used to clear the entire program. Clearing the Program On opening, NO is selected by default. Procedure: Note: Accessible only in LD mode . Note: If the program is protected (key di spla yed), th e user must enter the pa ssword (see PASSWORD Menu, p. 58 ) before[...]

SR2MAN01 11/200 7 67 10 TRANSFER Menu TRANSFER Menu Description This function is used to: z Load the firmware and the app lication cont aine d in the smart relay into the backup me mory. z load firmware and applica tion from the backup memory to the smart relay. This backup memory can then be used to loa d the firmware and the application into anot[...]

TRANSFER Menu 68 SR2MAN 01 11/2 007 Module → Backup Memory Transfer Procedure for transferring the applicatio n, from the smart re lay to the backup memory: Note: if an application is already present in the backup memory, it will be overwritten by the new transf er (no test is p erformed to check th e memory is free). Note: It is not possible to [...]

TRANSFER Menu SR2MAN01 11/200 7 69 Backup Memory → Module Transf er Procedure for transferring the ap plication, from th e backup memory to the smart relay, for a smart relay with LCD and keyboard : Procedure for transferring the ap plication, from th e backup memory to the smart relay, for a sma rt relay wi thou t LCD or keyboard : Step Action 1[...]

TRANSFER Menu 70 SR2MAN 01 11/2 007 Possible Errors Below are the possible errors and, for eac h case, the messages that are displayed: z Absence of backup mem ory Error message: TRANSFER ERROR: NO MEMORY z Configurations o f the hardware an d program to transfer incompatible Error message: TRANSFER ERROR: CONFIG INCOMPAT (hardware or software refe[...]

TRANSFER Menu SR2MAN01 11/200 7 71 Use of SR2 MEM01 and SR 2 MEM02 On SR2 MEM01, only the program is loaded whereas on SR2 MEM02 the program and the corresponding firmware is loaded. Consequently: z With the SR2 MEM01 memory cartridge, you ca n perform: z A smart relay to memory transfer if the ve rsion of the firmware on this relay is strictly low[...]

SR2MAN01 11/200 7 73 11 VERSION Menu VERSION Menu Description This function is used to precisely identif y the version of each system component: z Type of ha rdware, z Firmware, z LD functions, z FBD functions. Illustration: 2 Menu / OK -+ M O D U L E S R 3 B 2 6 1 B D H A R D W A R E 0 1 . 0 0 F I R M W A R E 0 1 . 0 0 L D F U N C. 0 1 . 0 0 . 0 0[...]

VERSION Menu 74 SR2MAN 01 11/2 007 This information is available for the smart rela y, but also for the connected extensions. The symbol is present in the bottom right, indicating the exist ence of extensions connected to the smart module. Illustration: To quit, press the Menu/OK button, the display returns to the INPUTS-OUTPUTS screen in RUN mode [...]

SR2MAN01 11/200 7 75 12 LANGUAGE Menu LANGUAGE Menu Description This function is used to select the lang uage used by the smart relay. All messages may be vie wed in 6 langu ages: z English, z French, z German, z Italian, z Spanish, z Portuguese. Illustration: Language Selection The current language is indicated by the selecti on symbol (black diam[...]

SR2MAN01 11/200 7 77 13 DEFAULT Menu FAULT Menu Description This function is used to: z Display on the LCD screen the type of fault detected by the firmware of the smart relay (error or warning: Watchdog overrun, see WATCHDOG CYCLE Menu, p. 63 , cycle time too high, etc.), z Reset the fault counter to zero . Illustration: Reset to Zero of the Fault[...]

DEFAULT Menu 78 SR2MAN 01 11/2 007 Fault Types Below, the description of possible faults: Number Type of fault 000 No faults 001 Fault in writing to EEPROM This fault defines the transfer problems between the me mory cartrid ge and the smart relay. If this fault occurs frequently, contact the after-sales service. 002 Clock write fault If the fault [...]

DEFAULT Menu SR2MAN01 11/200 7 79 061 At the beginning of RUN on the smart relay application: Pro gram incompatible with the Input/ Output extension physically connected to t he power supply. If this problem occurs, cont act the after-sales service. 062 Version (or build numbe r) incompatibility when loading a pro gram from the backup memo ry If th[...]

SR2MAN01 11/200 7 81 14 CHANGE DATE/TIME Menu CHANGE DATE/TIME Menu Description This function is used to configure the date and time of the smart relays that have a clock. Illustration: The modifiable parameters are: z Day / week / month / year, z Hour, minutes, seconds, Values are recorded by pressi ng the Menu/Ok key; if you wish to specify the t[...]

CHANGE DATE/TIME Menu 82 SR2MAN 01 11/2 007 Clock Calibration Th e quartz that controls the real-time clock of the smart relay has a va riable monthly drift depending on the environmental conditions of the smart relay. The maximum value for this drift is approximately one minute per month. To estimate this drift, proceed by obse rving the dr ift on[...]

SR2MAN01 11/200 7 83 15 CHANGE SUMMER/WINTER Menu CHANGE SUMMER/WINTER Menu Description This function is used to change th e time range automatically: Summer/winter, for smart relays with a clock. Illustration: The following op erating modes are possibl e: z NO : no change, z Automatic : The change takes place automat ically, the dates are preset a[...]

CHANGE SUMMER/WINTER Menu 84 SR2MAN 01 11/2 007 Configura tion of the Time Change To configure automatic time chang e, proceed as follows: Step Action 1 Select the parameter to modify using the navigation keys and . Result : The selected parameter flashes. 2 Modify the parameter value. The + and - keys of the contextual menu are used to change the [...]

SR2MAN01 11/200 7 85 III LD Language At a Glance Subject of this Section This section describes the use of LD (Ladder Diagram) programming langu age for the smart relay. What's in this Part? This part contains the following chapters: Chapter Chapter Name Page 16 LD Language Elements 87[...]

SR2MAN01 11/200 7 87 16 LD Language Elements At a Glance Subject of this Chapter This chapter describes the different au tomation functions of the LD languag e. What's in this Chapter? 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 [...]

LD Language Elements 88 SR2MAN 01 11/2 007 Introduction Description In LD programming mode, an application can be created from the interface of the front panel of the smar t relay. Here is detailed information on a ll possible elements of a ladde r diagram in LD mode that are recogni zed and use d by smart relays. To better understand the f unction[...]

LD Language Elements SR2MAN01 11/200 7 89 Discrete Inputs Description The Discrete Inpu ts can be used exclusively as contacts in the program. These contacts repres ent the status of the input for the smart relay conne cted to a sensor (push button, swi tch, sensor, etc.). The contact number corre sponds to the number o f terminals of the associate[...]

LD Language Elements 90 SR2MAN 01 11/2 007 Modification of the state of a contact To modify a contact from the front panel of the smart relay (the programming window is displayed on the screen), simply: z Place the cursor over th e letter of the contact, z Proceed as indicated in the paragraph Modifying an elemen t,, p. 44 , to scroll through the p[...]

LD Language Elements SR2MAN01 11/200 7 91 Zx Keys Description The navigation ke ys behave exac tly like th e I physical inpu ts (Discrete inputs). The only difference is that they do not corre spond to smart relay connecti on terminals, but to the four gray buttons on the front panel. They are used as pushbuttons, a nd can only be used as contacts.[...]

LD Language Elements 92 SR2MAN 01 11/2 007 Deactivation of Zx Keys By default the Zx Keys are active. They may be deactivated in one of the following ways: z From the smart relay front panel : Using : CONFIGURATION → Zx KEYS menu, see Zx KEYS Menu, p. 62 z From the programming software: See on- line help of the programming software for more infor[...]

LD Language Elements SR2MAN01 11/200 7 93 Auxiliary Relays Description Auxiliary relays marked M behave in exactly the sa me way as Q Discrete outputs (see Discrete (DISCR) Outputs, p. 98 ), but do not have an elec trical ou tput contact. They can be used as internal variables. There are 31, numbered from 1 to 9 and from A to Y except for letters I[...]

LD Language Elements 94 SR2MAN 01 11/2 007 Use as a Coil To use an auxil iary relay as a coil, 4 modes are available: z Contactor mode, z Impulse relay mode, z Latch mode, z Unlatch mode. Contactor mode: Symbol of an auxiliary relay, used as a coil in contactor mode: The relay is energized if the contacts to which it is connected are conducting. Ot[...]

LD Language Elements SR2MAN01 11/200 7 95 Use as a Conta ct Auxiliary relays can be used as contacts as ma ny times as necessary. This contact may use the dire ct state of the relay (normally open mode) or its inverse state (mode normally closed), see b elow. Normally open mode: Symbol of an auxiliary relay, used as a contact in normally open mode:[...]

LD Language Elements 96 SR2MAN 01 11/2 007 Example In the following e xample turning on and off a lamp is conditioned by the sta tus of the 6 following inputs: I1, I2, I3, I4, I5 and IB. The is on when: z The I1, I4, I5 and IB inputs are set to the state 1, and z The I2, I3 are set t o state 0. Because the smart relay does not a llow more than five[...]

LD Language Elements SR2MAN01 11/200 7 97 Latching By default, after a power failure , the relay is in the state that corresponds to program initializati on. To restore the state of the output b acked up during power lo ss, the latching must be activated: z From the front panel: From the PARAMETERS (see PARAMETERS Menu, p. 51 ) window, or z In the [...]

LD Language Elements 98 SR2MAN 01 11/2 007 Discrete (DISCR) Outputs Description Discrete Outputs corre spond to the smart relay ou tput relay coils (connected to the actuators). These outputs are numbered from 1 to 9, then from A to G, accordi ng to the smart relay an d any extensions. Any Discrete output can be used, in the program, i ndifferently[...]

LD Language Elements SR2MAN01 11/200 7 99 Latch mode: Symbol of a Discrete output, used as a coil in latch mode: The Se t coil, also call ed the latch coil, is ener gi zed as soon as the contacts to wh ich it is connected are conducting, then stays set even if later th e contacts are no longer conducting. This behavior is identical to t hat of an R[...]

LD Language Elements 100 SR2MAN 01 11/2 007 Use as a Contact An output can be used as an auxili ary contact as many times as necessary. This contact may use the di rect state of the output (normally ope n mode) or its inverse state (normally closed mode), see belo w. Normally o pen mode: Symbol of a Discre te output, used a s a contact in normally [...]

LD Language Elements SR2MAN01 11/200 7 101 Timers Description Use the Timers function to delay, prolong and co ntrol actions over a predetermine d period. Durations can be set using one or two preset values , according to the type of timer. There are 11 types of timers: z On delay (A), z On delay, stop by reset (A), z Off delay (C), z On pulse one [...]

LD Language Elements 102 SR2MAN 01 11/2 007 Use of Coils Two coils are associated with each timer: z Coil TT : Command Input , z Coil RC : Reset Input , The use of these coi ls is described below . Command input: Symbol of the Command input coil of a timer: Each type involves a specific operation, wh ich can be used to manage all possible scenarios[...]

LD Language Elements SR2MAN01 11/200 7 103 Use as a Conta ct The contact associated with the timer i ndicate s whether the timer has stopped. It may be used as many times as necessary in the program. It may be used according to 2 modes: normally open or normally closed, described below. Normally open mode: Symbol of the normally open contact associ[...]

LD Language Elements 104 SR2MAN 01 11/2 007 Preset value: Depending on the type of timer, th ere can be 1 or 2 preset values: z 1 only preset value (types: A, a, C, B, W, D, d and T): : on-delay or off-d elay accordi ng to type. z 2 only preset value (types: A/C , L and l): : Timer on-delay in the case of A/C type; active state in the case of flash[...]

LD Language Elements SR2MAN01 11/200 7 105 Latching: By default, if a power break occurs while a timer function block is running, any information on time alread y elapsed is lo st. When the supply voltage returns, the time function block is reinitialized and ready for a new operating cycle. If the application require s it, the time elapsed before t[...]

LD Language Elements 106 SR2MAN 01 11/2 007 Timing Diagrams Timing diagrams are provided here to illu strate the various behaviors of the Timer function block, according to the type of time r chosen: Active, control he ld down (type A): The following diagram shows th e operation of the type A timer: Active, Press to start/stop (ty pe a): The follow[...]

LD Language Elements SR2MAN01 11/200 7 107 A/C: Combination of A and C, The following diagram shows the opera tion of the type A/C timer: On pulse one shot (ty pe B): The following diagram shows the ope ration of th e type B timer: Timing after puls e (type W): The following diagram shows the ope ration of the type W timer: tB RT TT T tA tB tA t<[...]

LD Language Elements 108 SR2MAN 01 11/2 007 Flasher unit, control held do wn synchronously (type D): The following diagram shows th e operation of the type D timer: Flasher unit, Press to start/stop, Synchronou s (type d): The following diagram shows th e operation of the type d timer: Flasher unit, cont rol held do wn asynchronously (type L): The [...]

LD Language Elements SR2MAN01 11/200 7 109 Flasher unit, Press to start/st op asynchronously (type l): The following diagram shows the ope ration of th e type l timer: Time on addition (type T): The following diagram shows the ope ration of the type T timer: With addition type, the preset value can be reached: z In one step: t, z In several steps: [...]

LD Language Elements 110 SR2MAN 01 11/2 007 Example 1 Creating a timer device for a stairway. The stairway light should remain on for two minutes and thirty seconds when on e of the push buttons is activated. On each floor, the buttons are linked to the I1 input of the smart relay. The stairway light is linked to the Q4 output of the smart relay. Y[...]

LD Language Elements SR2MAN01 11/200 7 111 Counters Description The Counters function is used to upcount or downcount pulses. The smart relay has 16 timers, numbered from 1 to 9 then from A to G. The Counters function ca n be reset to zero or to the preset valu e (depending on the chosen parameter) during use. It may be used as a contact to find ou[...]

LD Language Elements 112 SR2MAN 01 11/2 007 Reset Initial Counter State input: Symbol of the Reset Initial C ounter State Input coil: When used as a coil in a control diagram, this element rep resents an input that resets the counting function to its initial state. Energizing the coil h as the following effect: z Reset the current count value to ze[...]

LD Language Elements SR2MAN01 11/200 7 113 Use as a Conta ct The contact associated with the counte r indicates whether the preset value ( TO mode) or zero ( FROM mode) has been reached. It may be used as many times as necessa ry as many times as necessary in the program. It may be used according to 2 modes: normally op en or normally closed, descr[...]

LD Language Elements 114 SR2MAN 01 11/2 007 Configura tion from Front Panel The block's paramete r settings can be accessed ei ther when enterin g the command line or from the PARAMETERS menu if the block has not been padlocked. The parameters to e nter are the foll owing: z Type of counti ng, z Preset value, z Parameter lock, z Latching. Type[...]

LD Language Elements SR2MAN01 11/200 7 115 Latching: Symbol of the Latching parameter: This function is used to save the status of the counter's current values in the event of a power failure. Illustration : Configuring a counter from the front panel of the smart relay: Description: Current Counter Value The current value is the value at any g[...]

LD Language Elements 116 SR2MAN 01 11/2 007 Timing Diagrams In the timing diag rams the blue curves represent th e current value of the counter: The following figure shows the op eration of the counter in up-counting mo de with toward the preset value: TO mode: The following figure shows the o peration of the coun ter in upcounti ng mode from the p[...]

LD Language Elements SR2MAN01 11/200 7 117 Initializa tion Status of the contacts and current va lue on initial ization of the program: z The normally op en mode (direct state) is inactive , z The normally closed mode (inverse state) is active , z The current value is zero . Examples Below, three simple examples of the us e of a counter (configure [...]

LD Language Elements 118 SR2MAN 01 11/2 007 Fast Counter Description Th e Fast Coun ter function is used to count pu lses up to a frequency of 1 kHz. Use of the K1 contact indicates: z The preset value has been reached (upcounting ), z The value 0 has been reached (down counting). The Fast counter inputs are implicitly connected to the I1 and I2 sm[...]

LD Language Elements SR2MAN01 11/200 7 119 Use of Coils Two coils are associated with th e fast counter: z coil TK1 : Enable function inpu t , z coil RK1 : Reset initial counter state input . The use of these coils is described below. Enable function input : Symbol of the Enable Functio n In put coil of the fast counter: This element is used to con[...]

LD Language Elements 120 SR2MAN 01 11/2 007 Use as a Contact The contact a ssociated wi th the fast c ounter indicates w hether the p reset value ( TO mode) or zero ( FROM mode) has been reached. It may be used as many times as necessary as many times as necessary in the program. It may be used according to 2 modes: normally open or normally closed[...]

LD Language Elements SR2MAN01 11/200 7 121 Configuration from Front Panel The block's parameter settings can be a ccessed ei ther when enteri ng the comma nd line or from the PARAMETERS menu if the block has not bee n padlocked. The parameters to enter are the following: z Cycle type, z Duration of pulse, z Preset value, z Type of counting, z [...]

LD Language Elements 122 SR2MAN 01 11/2 007 Type of counting : Symbol of the Type of coun ting parameter: This parameter is used to select the operating mode of the counter: z TO : up-countin g towards the pr eset value. When the counter's current value is greater th an or equal to the preset value, contact K1 of the fast counter is conducting[...]

LD Language Elements SR2MAN01 11/200 7 123 Latching: Symbol of the Latching parameter: This function is used to save the status of the fast counter's current values in the event of a power failure. Illustration : configuring a counter from the front panel of the smart relay: Description: Current Counter Value Value at any given in stant result[...]

LD Language Elements 124 SR2MAN 01 11/2 007 Timing Diagrams Timing diagrams are provided here to illu strate the various behaviors of the fast counter according to its paramete rs: z up-counting function TO , in single cycle mode, z down-counting functi on FROM , in single cycle mode, z up-counting function TO , in repetiti ve cycle mode, z down-co[...]

LD Language Elements SR2MAN01 11/200 7 125 Down-Counting in Single Cycle Mode : The figure below illustrates the counter func tion in down-counting and single cycle mode: Up-counting in Repe titive Cycle Mode: The figure below illustrates the counter functi on in up-counting and repetitive cycle mode: The output switches to the Inactive state when [...]

LD Language Elements 126 SR2MAN 01 11/2 007 Down-Counting in Repe titive Cycle Mode: The figure below illustra tes the counter function in down-co unting and repetitive cycle mode: The output switches to th e Inactive state when the predefin ed p ulse duration value has run out. If the switch condition is Acti ve before the switch to the Inactive s[...]

LD Language Elements SR2MAN01 11/200 7 127 Modifying th e Mode of a Coil or a Contact To modify the operating mode of a coil or a contact from the front panel of the smart relay (the programming window displayed on screen), simply: z Position the curso r on the symbol repr esenting the coil mo de or on the letter of the contact, z Proceed as indica[...]

LD Language Elements 128 SR2MAN 01 11/2 007 Counter Comparators Description This function is used to compare the current counting val ues of two counte rs or of a counter and a constant value. Use as a Contact Th e counter comparator indicates whethe r th e chosen condi tion is verified. It is used as a contact, in normally open mode or in normally[...]

LD Language Elements SR2MAN01 11/200 7 129 Analog Comparators Description The Analog Comparators function bl ock is used to: z Compare a measured analog value with an i nternal reference value. z Compare two measured analog values. z Compare two measured analog values with hysteresis parameter. The result of this comparison is used in the form of a[...]

LD Language Elements 130 SR2MAN 01 11/2 007 Configura tion from Front Panel The simple comparis on formula is as follows: The comparison formula , for a comparison with hysteresis: The parameters to e nter are the foll owing: z Values to compare, z Comparison operator, z Reference value, z Hysteresis parameter, z Parameter lock. Values to compare: [...]

LD Language Elements SR2MAN01 11/200 7 131 Reference valu e: Symbol of the reference value: The reference value is a co nstant to whic h a measured valu e may be compared. It must be between 0 a nd 9.9. Hysteresis para meter: Symbol of the hysteresis parameter: The hysteresis parameter is a constant used to define an interval in which the 2x variab[...]

LD Language Elements 132 SR2MAN 01 11/2 007 Illustration : Configuration from the front panel of th e smart relay, of the hysteresis-type comparator with constant reference value: In this case: Th e comparison con dition is verified when the power to the input terminal Ie is between 2.5 Vand 5.5 V. Configuration of a single comparator from the fron[...]

LD Language Elements SR2MAN01 11/200 7 133 Modifying th e Mode of a Coil or a Contact To modify a contact from the front pan el of the smart relay (the programming window is displayed on the screen), simply: z Place the cursor over the letter of the contact, z Proceed as indicated in the parag raph Modifyin g an element,, p. 44 , to scroll through [...]

LD Language Elements 134 SR2MAN 01 11/2 007 Clocks Description Use the Clocks function to validate the time ranges during which actions can be executed. The smart relay has 8 Clocks function blocks numbered from 1 to 8. Each of these has four programming ranges and behav es like a weekly programmer. The C locks function blocks are used like contact[...]

LD Language Elements SR2MAN01 11/200 7 135 Configuration from Front Panel Configuration scre en of a Clock function block from the front panel of the smart relay: If the clock is se t to ON on Mond ay at 23:00 and set to OFF on Monday at 1:00, then it does not change to OFF on Tuesday at 1:00 but effectively on the following Monday at 1:00. Moreove[...]

LD Language Elements 136 SR2MAN 01 11/2 007 Combinin g Modes Programming modes can be mixed for the same clock. Example: Using the four clock ranges with different mod es. Modifying the Mode of a Coil or a Contact To modify the operating mode of a coil or a contact from the fro nt panel of the smart relay (the programming wind ow displayed on scree[...]

LD Language Elements SR2MAN01 11/200 7 137 Example You wish to control a device conne cted to th e Q2 output of the smart relay. You want it to be active on the fol lowing two clock ra nges: z from Monday to Saturd ay , from 09:00 to 13:00. z from Monday to Friday, fro m 15:00 to 19:00, For this, the H1 Clock block is used and the follow ing wiring[...]

LD Language Elements 138 SR2MAN 01 11/2 007 Texts Description Th e Text automa tion function is used to display texts and /or digital values (current value, pres et value, etc.) on th e LCD inste ad of the inputs-out puts screen. The smar t relays have 16 Text blocks, numbered from 1 to 9 then from A to G. These function blocks are used as coils. T[...]

LD Language Elements SR2MAN01 11/200 7 139 Used as a Coil Two coils are associated with each Text block: z Display Activation coil, z Display Deactivatio n coil. The use of these coils is described below. Display Activation Symbol of the Display Activation coil of a Text functi on block: This coil displays on the screen the text an d/or the values [...]

LD Language Elements 140 SR2MAN 01 11/2 007 LCD Screen Backlighting Description Th e LCD screen backl ighting output is used to control the backlig hting of the LCD by a program. In STOP and RUN modes, the LCD screen is lit for 30 secon ds when the user presses any of the buttons on the front panel. Used as a Coil Used as a coil, it lights up the L[...]

LD Language Elements SR2MAN01 11/200 7 141 Change to Summer / Winter Time Description The output of this function is in an OFF state over the entire dura tion of winter time, and switches to ON for the ent ire dura tion of summer time. By default, there is no change in winter / summ er time. This functio n must be activated, either from the program[...]

LD Language Elements 142 SR2MAN 01 11/2 007 Parameters The followi ng operating modes are possible: z No : no change, z Automatic change: Dates are preset according to geographic zone: z EUROPE : Europe, z USA . z OTHER ZONE : The change is automatic, but you must specify the month: M and the Sunday: S (1, 2, 3, 4 or 5 ) on which the summer/winter [...]

LD Language Elements SR2MAN01 11/200 7 143 Modbus Inputs/Outputs Description A Modbus SR3 MBU01BD extension module may be added onto an extensible smart relay. In LD mode, the application cannot access the four 16-bit d ata exchange words. Data transfer between master and slave is implicit and completely transparent. Parameters The Modbus module ca[...]

LD Language Elements 144 SR2MAN 01 11/2 007 Message Description When activated, the Message function bl ock can be used to: z Send alarm messages to mobile phones, th e Zelio Logic Al arm alarm operations tool or Email addresses via th e SR2COM01communication interface z Provide remote access to a D ISCR and/or a digital vari able for reading or mo[...]

LD Language Elements SR2MAN01 11/200 7 145 Use as a Conta ct The contact associated with the Message function block indicates whether the function block is activa ted. It may be used as many times as necessa ry as many times as necessary in the program. It may be used according to 2 modes: normally op en or normally closed, described below. Normall[...]

SR2MAN01 11/200 7 147 IV Creating and Debugging an Application Presentation Subject of this Section This section describes, using d etailed examples, how to create, d ebug and save an application. What's in this Part? This part contains the following chapters: Chapter Chapter Name Page 17 Implementing a Basic App lication 149 18 Debugging an A[...]

SR2MAN01 11/200 7 149 17 Implementing a Basic Applicatio n Presentation Subject of this Chapter This chapter describes in detail the implem entation of a basic applicati on from the front panel of the smart relay. What's in this Chapter? This chapter contains the following topics: Topic Page Presentation of Ladder Diagrams 150 Using the Revers[...]

Implementing a Basic Application 150 SR2MAN 01 11/2 007 Presentation of Ladder Diag rams Description In this section, we will use a simple example to understand how a lad der diagram works: A two-way switch. Normal electrical diagram Ladder diagram The two position switches VV1 and VV2 control turning lamp L1 on and off. I1 and I2 are two contacts [...]

Implementing a Basic Application SR2MAN01 11/200 7 151 Module Wirin g Below, an i llustration of smart relay wiring: Applicatio n Operation Using a smart relay means that ordinary switches (with open or closed positions) can be used in place of two position switches. The switches are identified as S1 and S2 in the wiring diagram above. S1 and S2 ar[...]

Implementing a Basic Application 152 SR2MAN 01 11/2 007 Using the Reverse Function Description Th e reverse function, noted i in the smart relay is used to obtain the reverse state of input I wired on the smart relay. To illustrate how this function works, we shall use a simple example:[...]

Implementing a Basic Application SR2MAN01 11/200 7 153 Practical Example Below is the electrical diagram of the exam ple and an illustration of the smart relay wiring: Depending on the ladder diagram, two solutions are po ssible: Electrical diagra m Connection to the sm art relay Ladder diagram 1: Light of f when idle Ladder diagram 2: Light on whe[...]

Implementing a Basic Application 154 SR2MAN 01 11/2 007 General Case The tab le below illustrates the operation of a pushb utton connected to the smart relay. Pushbutton BP1 is conne cted to input I1 and lamp L1 is connected to output Q1 on the smart relay. Off delay Operating Electrical diagram Smart relay s ymbols Electrical diag ram Smart relay [...]

Implementing a Basic Application SR2MAN01 11/200 7 155 Notation Used by the Smart Relay Description The smart relay has a four line display used to show ladder dia grams. Equivalencies Between Notations In the table below are the equivalencies betwe en representations of the most common elements of the ladder language, in the 3 formats: Note: The p[...]

Implementing a Basic Application 156 SR2MAN 01 11/2 007 Other Elements Other elements are also available using a smart relay, such as: z Timer functi on bloc k : Used to delay, p rolong and control and action for a set length of time, z Counter functi on block : Used to count the pulses received on an input, z Clock functi on block : Used to trigge[...]

Implementing a Basic Application SR2MAN01 11/200 7 157 Application: Implementing a Two-way Switch Description In the text that follow s you will find detailed information on the procedure for enterin g a ladder diagram for a two-way switch. You should proceed a s follows: z Go to the programming screen, z Enter the contacts in the first line, z Ent[...]

Implementing a Basic Application 158 SR2MAN 01 11/2 007 Entering the Contacts in the First Line To enter the contac ts in the first lin e, proceed as follo ws: Step Action Screen Comment 1 The flashing cursor is positioned on the I . The smart relay prompts you to select the type of contact. 2 The 1 flashes. The user has implicitly selected a conta[...]

Implementing a Basic Application SR2MAN01 11/200 7 159 8 The 2 flashes. Step Action Screen Comment + + I1-i2[...]

Implementing a Basic Application 160 SR2MAN 01 11/2 007 Entering the Coil and Join ing it to the Contacts To enter the coil in the first line and connect it to the coil s, proceed as follows: Step Action Screen Comment 1 ... then The cursor flashes in succ ession: z At a link point: , z At a contact point: . Until positioned at the e nd of the line[...]

Implementing a Basic Application SR2MAN01 11/200 7 161 Entering the Contacts in the Second Line To enter the contacts in the second line, proceed as follows: Step Action Screen Comment 1 as many times as necessary until positioned at the start of the line. The is at the start of the following line. 2 The I located on the second line flashes. 3 The [...]

Implementing a Basic Application 162 SR2MAN 01 11/2 007 Joining the Second Line to the First To join the second line to the first, proceed as follows: 7 The second 1 in the second line flashes. 8 The 2 located on the second line flashes. Step Action Screen Comment I1-i2----------[Q1 i1-I1 + + I1-i2----------[Q1 i1-I2 Step Action Screen Comment 1 Th[...]

Implementing a Basic Application SR2MAN01 11/200 7 163 Launching the Program To launch the pr ogram, procee d as follows: The Basic Points This simple applica tion example teaches the user how to enter a ladder diagra m. The following po ints should be remembered : z When a or a is flashing, use the Shif t button to add an ele ment (contact, coil o[...]

SR2MAN01 11/200 7 165 18 Debugging an Application Presentation Subject of this Chapter This chapter presents the t ools available for de bugging an application loaded in the memory of the smart relay. What's in this Chapter? This chapter contains the following topics: Topic Page Introduction 166 Dynamic Mode Ladder Diagrams 168 Dynamic Mode Fu[...]

Debugging an Application 166 SR2MAN 01 11/2 007 Introduction Module in RUN Mode Once an application ha s been entered in la dder diagram form, debu gging tests still must be run. The first step is to set the smart relay to RUN. To do this, in the RUN/STOP optio n in main menu and select RUN. From this moment on, the smart rela y handles the physica[...]

Debugging an Application SR2MAN01 11/200 7 167 Contextual Menus Below is an illustration of the icons in the contextual me nu when the smart relay is in RUN mode: Prompt Element 1 Status of the smart relay: In RUN it is in motion, in STOP it is immobile. 2 Indicates that faults have appeared (see FAULT Menu, p. 77 ). 3 Indicates that the smart rela[...]

Debugging an Application 168 SR2MAN 01 11/2 007 Dynamic Mode Ladder Diagrams Viewing Ladde r Diagrams The smart relay can dynamically display the performance of a ladder diagram. To do this, simply call u p the MONITORING menu and position the cu rsor over the lines to display using the navigation keys. Each conducting contact or energize d coil is[...]

Debugging an Application SR2MAN01 11/200 7 169 Using Z Keys as Pushbuttons On the INPUTS-OUTPUTS screen in RUN mode, the numbers of the Z keys used in the progra m are displayed in the co ntextual menu. Press a nd hold down the Shift key to display this menu. To enable a Z key, press on the button located under the number. Illustration: Note: The Z[...]

Debugging an Application 170 SR2MAN 01 11/2 007 Dynamic Mode Function Block Parameters Presentation In RUN mode a function blo ck preset value may be changed dynamically if it is not loc ked. Functions with parameters in LD mode: z Auxiliary relays (latch ing), z Discrete Outputs (latching), z Clocks z Analog comparators, z Timers z Counters z Fast[...]

Debugging an Application SR2MAN01 11/200 7 171 Dynamic Mode Menus Dynamic Mode Menus Some menus are accessible when th e smar t relay is in RUN mode, while others are not. Here is a summary table. Menu LD FBD PROGRAMMING MONITORING PARAMETERS RUN / STOP CHANGE D/H CHANGE SUMM/WINT CONFIGURATION PASSWORD FILTER Zx KEYS WATCHDOG CYCLE CLEAR PROG. TRA[...]

Debugging an Application 172 SR2MAN 01 11/2 007 Smart Relay Reaction to a Power Fai lure Description A power failure may cause the smart rel ay to restart and lose any d ata not saved. Smart relays have the ability to save the current time for at least 10 years. In addition, it is also possible to ba ck up the variable s configured with the Latchin[...]

Debugging an Application SR2MAN01 11/200 7 173 Safety Mode If the result of losing the time setting is to lock coil control, t hen simply use a clock contact without a stop order in series with the action coils. Example of a non -l ocked coil: The contact line for coil Q1 will be active ev en if the time and date setting is lost. Example of a locke[...]

SR2MAN01 11/200 7 175 19 Backup and Transfer of Ladder Diagrams" Saving and Transferring Ladder Di agrams Description It is possible to transfer a ladder diag ram from the smart relay toward a backup memory (optional) and vice-versa. This allows: z To backup an application, then restor e it later on if necessa ry, z To make a copy of an applic[...]

SR2MAN01 11/200 7 177 20 Sample Application Presentation Subject of this Chapter In this chapter we'll use the example of an u nderground car park co ntrol. From given specifications, we will develop the appli cation to program in the smart relay. What's in this Chapter? This chapter contains the following topics: Topic Page Specification[...]

Sample Application 178 SR2MAN 01 11/2 007 Specifications Objective We wish to complete and centralize the control of the underground car park of an administrative build ing. Automatic Gate The entrance and the exit of the car park ar e controlled by an ordinary automatic gate. The gate has the usual basic featu res such as: z Gate timing (opening a[...]

Sample Application SR2MAN01 11/200 7 179 Specification Analysis Description Analysis of the specifications includes listi ng inputs, bu ttons, outputs and function blocks necessary to complete the application. Inputs Below is the list of inputs that the appli cation will use: Button Below is the list of buttons that the application will use: Output[...]

Sample Application 180 SR2MAN 01 11/2 007 Special function blocks Below is the list of special functi on blocks that t he application will use: Smart relay label Name Counter C1 Counts the number of vehicles in the car pa rk (93 maximum). Clock function block H1 Manages car park access hours. Timer function block T1 Lighting timer (10 minutes). Ana[...]

Sample Application SR2MAN01 11/200 7 181 Implementing the Solution Description Presented here are the control diagrams to pro gram, as well as the parameters to use for the functi on blocks. Implementi ng the Ladder Diagram Below is the cont rol diagram to pro gram: When upcounting and downcounting, the counter locks up when the car park becomes fu[...]

Sample Application 182 SR2MAN 01 11/2 007 Configuri ng the Function Block s The table below provides details on the parameters to use for each of the function blocks: Function block Comment Counter function block C1 The preset value is 93 (the maximum number of vehicles allowed in this car park). Where necessary, this value may be changed during op[...]

Sample Application SR2MAN01 11/200 7 183 Analog function block A1 Compares the measured CO 2 level with the threshold value: 8.5 V. Timer function block T2 Fan operating duration if the CO 2 threshold is exceeded. 15 minutes. Function block Comment Menu / O K -+ A 1 s A N A L O G 2 I b ≥ R R = 8 . 5 x 1 = I b = 0 . 0 x 2 = R = 8 . 5 Menu / OK -+ [...]

SR2MAN01 11/200 7 185 V Diagnostics Presentation Subject of this Section This chapter will help you find solutions to operating prob lems. What's in this Part? This part contains the following chapters: Chapter Chapter Name Page 21 Diagnostics 187[...]

SR2MAN01 11/200 7 187 21 Diagnostics Presentation Subject of this Chapter This chapter will help you find solutions to operating prob lems. What's in this Chapter? This chapter contains the following topics: Topic Page Smart Relay Messages 188 Frequently Asked Questions 189[...]

Diagnostics 188 SR2MAN 01 11/2 007 Smart Relay Messages Description Here is detai led information on th e error messages that are return ed by the smart relay, their possible causes and how to remedy the problem. Error Messages The table below lis ts the error messages that a smart re lay could re turn. Thes e messages general ly indicate i ncompat[...]

Diagnostics SR2MAN01 11/200 7 189 Frequently Asked Questions Description To assist the user in understanding the smart relay, the most frequently aske d questions are listed here.[...]

Diagnostics 190 SR2MAN 01 11/2 007 Frequently Asked Questions Here below are the most frequently asked questions and their answers: Question Answer I cannot access some parameters. Some parameters are no t accessible. See th e documentation to find out whether these elements can be chang ed. Example of a n element that cannot be changed : Counter f[...]

SR2MAN01 11/200 7 191 Appendices At a Glance Introduction This section contains product-related appendices. What's in this Appendix? The appendix contains the fo llowing chapters: Chapter Chapter Name Page A Compatibility 193[...]

SR2MAN01 11/200 7 193 A Compatibility At a Glance Subject of this Chapter This appendix provides information on the co mpatibility between the ve rsions of the firmware, the versions of the programm ing software and the different memory cartridges. What's in this Chapter? This chapter contains the following topics: Topic Page Compatibility bet[...]

Compatibility 194 SR2MAN 01 11/2 007 Compatibility between the version o f the programming software and the version of the firmware on the smart relay Introd uction Th e section below describe s the compat ibility between the ve rsions of the programming software and the version s of the firmwa re on the smart relay. In the Case of a Transfer of th[...]

Compatibility SR2MAN01 11/200 7 195 Compatibility between the memory cartridges and the version of the firmware on the smart relay Introduction The section below describes the compatib ility between the memory cartridges and the versions of the firmware on th e smart relay. Compatibility of the Memory Cartridge with the Version of the firmware The [...]

C B A SR2MAN01 11/ 2007 197 A Auxiliary Relays, 93 C Clocks, 134 Compatibility Firmware, 194, 195 Memory Cartridges, 195 Programming Software, 194 D Discrete Inputs, 89 Discrete Outputs, 98 F Firmware Compatibility, 194, 195 I inputs -outputs, 3 4 L LD Analog Comparator, 129 LD Change to Summer / Winter Time, 14 1 LD Counter Comp arators, 128 LD Co[...]

Index 198 SR2MAN01 11/ 2007 M Menu CHANGE DATE/TIME, 81 CHANGE SUMMER/WINTER, 83 CLEAR PROG., 65 CONFIGURATION, 57 FAULT, 77 LANGUAGE, 75 MONITORING, 53 PARAMETERS, 51 PASSWORD, 58 PROGRAMMING, 39 RUN / STOP, 55 TRANSFER, 67 VERSION, 73 WATCHDOG CYCLE, 63 Zx KEYS, 62 Modbus LD I/Os, 143 Z Zx Keys, 91[...]

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