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Setting & Monitoring Tool Manual - Automation Systems and Controls

1. Input 1 Input 2 Input 3 Input 4 Input 5 Output 1 0 x x x x 0 x 0 x x x 0 x x 0 x x 0 x x x 0 x 0 x x x x 0 0 1 1 1 1 1 1 Truth table for AND evaluation with six inputs Input 1 Input 2 Input 3 Input 4 Input 5 Input 6 Output 1 0 x x x x x 0 x 0 x x x x 0 x x 0 x x x 0 x x x 0 x x 0 x x x x 0 x 0 x x x x x 0 0 1 1 1 1 1 1 1 Truth table for AND evaluation with seven inputs Input 1 Input 2 Input 3 Input 4 Input 5 Input 6 Input 7 Output 1 0 x x x x x x 0 x 0 x x x x x 0 x x 0 x x x x 0 x x x 0 x x x 0 x x x x 0 x x 0 x x x x x 0 x 0 x x x x x x 0 0 1 Logic programming Function blocks Table 19 Truth table for AND evaluation with eight inputs MELSEC WS Truth table for AND evaluation with eight inputs Input 1 Input 2 Input 3 Input 4 Input 5 Input 6 Input 7 Input 8 Output 1 0 x x x x x x x 0 x 0 x x x X x x 0 x x 0 x x x x x 0 x X x 0 x x x X 0 x x x x 0 x x x 0 x x X x x 0 x x 0 x x X x x x 0 x 0 x x X x x x x 0 0 1 1 1 1 1 1 1 1 1 Error states and information on resetting Logic functions do not carry out monitoring for error conditions 60 MELSEC WS Figure 30 Function block diagram for the function block OR Table 20 Truth table for OR evaluation with one input Table 21 Truth table f
2. 0 means logic Low or Inactive 4 means logic High or Active x means any 0 or 1 Truth table for XNOR evaluation Table 29 Truth table for XNOR evaluation 65 Input 1 Input 2 Output 1 0 0 1 0 1 0 1 0 0 1 Error states and information on resetting Logic functions do not carry out monitoring for error conditions 1 1 Logic programming Function blocks Figure 33 Function block diagram for the Log Generator function block Note Table 30 Input parameters of the Log Generator function block 6 5 6 Function block Log Generator Function block diagram MELSEC WS Input 1 Output 1 Input 2 Output 2 Input 3 Output 3 Input 4 Output 4 Input 5 Output 6 Input 6 Output 6 Input 7 Output 7 Input 8 Output 3 General description The Log Generator function block monitors up to eight inputs If a defined input condition is fulfilled at one of these inputs the function block sets the corresponding output to Active for the duration of one logic cycle and adds a user defined text message to the diagnostics history which can be read out in online mode using the Setting and Monitoring Tool diagnostic function These text messages will be deleted when the voltage supply for the MELSEC WS safety controller is interrupted Input parameters of the Log Generator function block Parameter Possible values Numb
3. 146 MELSEC WS Figure 97 Function block diagram for the function block Eccentric Press Contact 147 Logic programming Function blocks 6 8 Function blocks for press applications 6 8 1 Function block Eccentric Press Contact Function block diagram Control Release Restart Top Overrun Cam Up Run up Cam Restart Required Dynamic Cam Contact Error Overrun Error General description The function block Eccentric Press Contact is used to monitor the Cam input signals of mechanical or eccentric presses If no error was detected the Release signal of the function block Eccentric Press Contact is Active High Normally the Release signal of this function block is connected to the next press element e g Press Setup function block or function block Press Single Stroke The Release signal of the subsequent function block e g Press Setup function block or function block Press Single Stroke is then used both for actuator control and as a feedback for the Control input of this function block The minimum configuration requires an Overrun Cam and the Run up Cam Optionally a Dynamic Cam input can also be connected The function block Eccentric Press Contact monitors the Overrun Cam and the correct Cam signal sequence of presses If any discrepancy is detected the Release output changes to Inactive Low and the corresponding error output changes to Active Logic programming Function blocks T
4. Not applicable Note The signals for Reset resetting Reset Override combined input for Reset and Override and Reset Required Indication resetting required are only available if a Reset function block is used together with the Muting function block 132 MELSEC WS Table 72 Stop to Run transition behaviour for muting functions 133 Logic programming Function blocks 6 7 6 State transition from Stop to Run If the system changes from the Stop state to the Run state the following behavioural patterns can be realised depending on the state of the muting sensors and of the ESPE OSSDs of the sensors e g safety outputs of a safety light curtain Table 72 shows details of the system behaviour during the transition from Stop to Run State after the switch on procedure System behaviour State of the muting ESPE OSSD Start Next action sensors Active High All the muting sensors A normal Muting is possible after e g no object in are Inactive Low muting correct the protective sequence is activation sequence of the field possible muting sensors The muting condition is All the muting sensors partially fulfilled have to return to Inactive The muting condition is Low before the ESPE partially fulfilled OSSDs of the sensors become Inactive Low If the ESPE OSSDs of the sensors become Inactive Low before all the muting sensors have become Inactive Low Override has to be us
5. Increase the protection against manipulation and the safety level by using the following configurable functions Concurrency monitoring Monitoring of the muting total time Mating end via ESPE The wiring of devices is described in Section 6 7 5 142 MELSEC WS Logic programming Function blocks Sequence timing diagram The function block requires that a valid muting sequence takes place Figure 93 shows an example of a valid muting sequence based on the parameter basic setting for this function block The optional signal C1 is not contained in the sequence shown below Figure 93 Valid muting sequence A1 Le using the configuration basic setting l C1 Input without Aa Override Input without ESPE OSSD es i cae en cs ce Conveyer Input without Output Enable a se Muting Error T I E g 143 Logic programming Function blocks MELSEC WS Figure 94 Function block diagram for the function block Cross Muting both directions ATTENTION Figure 95 2 sensor muting with crossed sensors for bidirectional movement of material 6 7 11 Function block Cross Muting Material transport in both directions Function block diagram ESPE OSSD Output Enable Al g Muting Lamp Output 2 Muting Status Override Override Required Conveyer histing Error C1 Representation of the application The sensors can be located as follows in the case of muting applications with 2 cr
6. eeceeeeseeceeeeeeeteeseneeeeees 15 1 5 Symbols and notations used ce ceeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeeseeneeeeeeenaees 16 2 Omsan si fetec cite E verte T E ON 17 2 1 Qualified safety personnel ssssssseeeesrresesrreessrnestennesrnnnesrennesnnnneenenneerenneet 17 2 2 CONECT USO eraa E E E E ete 18 3 Installation ANd romoval eree eer E EE EEEE E 19 3 1 System requirEMent cccececeseecedeeeeesseeteecedeeteecendeseededeeseeeedensendedeetseeeesers 19 3 2 Installation ic eaiai i aa hla aaa ennai ee eds 19 3 3 Updates Te mi 0 areseuatesl ive rtia a ocala ee Ania teat Ses aoe al ae as iat 20 3 4 FREMOVAl tottus areca cecedesice tet cede dee tee iced deat tce eee tehs feeds secede ice Meets dette eee 20 4 The graphical user interface eecceeeeceeeeeeeneeeeeeenneeeeeetaeeeeeenaeeeeeenaeeeeeeaas 21 4 1 SE O E E E T E 21 4 2 Setting the desired language ssseseessesiesesrrestrrssttrrssttrrssttnnsstennssten rnnt 22 4 3 Standard Vi WS nasir iip ei e sided aE a dened i 22 4 4 Positioning WINGOWS o acsinen cniin a e aa r E AA Ai 24 4 5 Hardware configuration standard View ccceecceeeeeeeeeeseeneeeeeeeneeeteeaeees 24 4 5 1 Exercise for configuring the MELSEC WS modules eeeeeeeeee 26 4 5 2 Exercise for configuring the connected devices ec eceeeeeeesteeeeeaes 27 4 6 Logic editor standard view cccccccccceeeeeteeeeeeeneeeeesnieeeeeteeeeetiaeeeeetieeeeee 28 4 6 1 Exercise for usi
7. Output of the function block No error outputs are available Sequence timing diagram mtd LGS LNN Setpoint 0 Output Enbe tT UAU LS LL Stop gt Start 98 MELSEC WS Figure 69 Function block diagram for the function block On Delay Timer Table 51 Input parameters of the function block On Delay Timer 99 Logic programming Function blocks Error states and information on resetting The function block Off Delay Timer does not carry out monitoring for error conditions 6 6 8 Application specific function block On Delay Timer Function block diagram Input g Output Enable General description The function block On Delay Timer delays the switching on of the Output Enable signal by a specified duration The range for this delay amounts to 10 ms to 300 seconds adjustable in steps of 10 ms A delay period of 0 seconds is also valid and does not cause a delay If used the set delay time has to be greater than the execution time of the MELSEC WS safety controller In the case of an On Delay Timer the timer begins with the delay sequence when a transition of Input to Active occurs After the delay sequence has expired the Output Enable output changes to Active and retains this state until Input changes to Inactive Input parameters of the function block Parameter Possible parameter values Default Delay Time ON delay time t 0 to 300 000 ms in steps of 10 ms If used Oms th
8. Upstroke muting is disabled Max upstroke muting time 0 disabled and the Restart interlock is set to deactivation on upstroke only for PSDI MELSEC WS Complete start sequence EN1 Static EN2 Start p Z S PSDI I I l 1 N x r 4 x 1 Restart es ee b up A ouput Enae LNL Complete start sequence EN1 Static EN2 Start PSDI i LI LI l LUI Restart oe a ee oe es PE es ee ar E ouput ene U LD T gt Max upstroke muting time 184 MELSEC WS Table 89 Error states and information on resetting for the N Break function block 185 Output signals of the function block Restart Required Logic programming Function blocks The Restart Required output is Active High when a valid restart sequence is expected at the Restart input Break Required The Break Required output is Active High when a break is expected at the Restart input Protective Field Intrrupted The Protective Field Interrupted output is Active High when a valid start sequence has been carried out and the PSDI input changes from Active High to Inactive Low while no muting is Active and no break is expected If Protective Field Interrupted is Active High a valid restart sequence generally has to be carried out before Output Enable can be set to Active High If the Protective Field Interrupted output is Active High and Ou
9. state i e Contact Error or Error or Overrun Overrun Error to Inactive Error is Active Safety relevant signals have to conform to the applicable standards and regulations to be applied Always take the valid national regional and local regulations and standards into consideration for your application Type C standards such as EN 692 and EN 693 contain requirements how safety relevant signals have to be used For example the restart signal has to be protected by suitable means in case of overrun errors e g by a key switch or in a closed control cabinet 162 MELSEC WS Figure 112 Function block diagram for the function block the Press Setup function block Table 85 Input parameters of the function block Press Setup ATTENTION 163 Logic programming Function blocks 6 8 3 Function block Press Setup Function block diagram On Start g Output Enable EN1 Static EN2 Start mi Restart Required Top Restart g ENT Inverted General description The Press Setup function block is generally used together with the function block Universal Press Contact or the Eccentric Press Contact function block in order to set up the press and in order to provide the information of the Top output as input for this function block The Top output is required for single stroke operation Control of the press can for example be effected by means of a two hand control Input parameters
10. xX 1 xX 1 xX xX 1 xX xX 1 Xx xX xX xX 1 Truth table for OR evaluation with five inputs MELSEC WS Input 1 Input 2 Input 3 Input 4 Input 5 Output 1 0 0 0 0 0 0 1 x x x x 1 x 1 x x x 1 x x 1 x x 1 x x x 1 x 1 x x x x 1 1 Truth table for OR evaluation with six inputs Input 1 Input 2 Input 3 Input 4 Input 5 Input6 Output 1 0 0 0 0 0 0 0 1 Xx xX xX xX 1 xX 1 xX X Xx 1 62 MELSEC WS Table 26 Truth table for OR evaluation with seven inputs Table 27 Truth table for OR evaluation with eight inputs 63 Logic programming Function blocks Truth table for OR evaluation with seven inputs Input 1 Input 2 Input 3 Input 4 Input 5 Input 6 Input 7 Output 1 0 0 0 0 0 0 0 0 1 x x x x x x 1 X 1 x x x x x 1 x X 1 x x x X 1 x x X 1 x x x 1 x x x x 1 x X 1 x x x x x 1 x 1 x x x x x X 1 1 Truth table for OR evaluation with eight inputs Input 1 Input 2 Input 3 Input 4 Input 5 Input6 Input 7 Input 8 Output 1 0 0 0 0 0 0 0 0 0 1 x x X x X x X 1 x 1 x x x x x x 1 x x 1 x x x x x 1 x x x 1 X x x x 1 x x x x 1 x x x 1 x x x x x 1 x x 1 x x x x x X 1 x 1 x x x x X x x 1 1 Error states and information on
11. Event Counter Down EDM Clock Generator Function blocks for press applications Universal Press Contact Press Single Stroke Press Setup Press Automatic N Break Eccentric Press Contact Function blocks for muting Sequential Muting Parallel Muting Cross Muting Others Safety Gate Monitoring Magnetic Switch Light Curtain Monitoring E Stop Logic programming Function blocks MELSEC WS Figure 15 Graphic representation of the function blocks in the logic editor The logic editor displays all the function blocks graphically The following figure shows the graphic representation of the individual function blocks Logic function blocks have the following properties One or more inputs Generally exactly one result output of the logic Logic function blocks do not have any configurable parameters except for Fast Shut Off and Edge Detection Logic results can be used further at one or more inputs of other logic or application specific function blocks The Routing 1 N function block can be used to pass on one output to several outputs in the sense of a contact duplication The Routing N N function block can be used to pass on up to eight input signals to eight physical outputs directly in parallel Application specific function blocks have the following properties One or more inputs One or more outputs depending on the required functiona
12. Function Test Error Fault Present In order to allow access to these output connections increase the number of outputs on the In Out Settings tab of the function block properties For further information on these parameters refer to Section 6 3 and Section 6 4 Sequence timing diagrams Input 1 Pair 1 A LI LJ LJ Function Test Signal S O S D SS D Ol a a onipur rabl TTT A a _f Function Test Required JST US US NON Function Test Error EL Fault Present a cs Stop Run 92 MELSEC WS Figure 63 Sequence timing diagram for the Safety Gate Monitoring function block Category 4 dual channel without function test Figure 64 Sequence timing diagram for the Safety Gate Monitoring function block Category 4 dual channel 2 pairs without function test 93 Logic programming Function blocks Output Enable J LHS Leos Fe Discrepancy Error Pair 1 e d LE Fault Present A a e a ee gt e gt 4 T lt T Discrepancy T lt T Discrepancy Stop Run Ti Discrepancy TT oan Discrepancy IT baei Input 1 Input 2 Input 1 oo 2 aw eae a a ae Input 2 oie LJ Lo Hf Discrepancy Error Pair 1 Discrepancy Error Pair 2 Synchronization Error a ee ee ee e Fault Present ds Stop Run T lt Tsynchronization T gt Teynchronication Teacher Logic programming Function blocks Table 46 Error states and information on reset
13. HO 00 o0000 0 To start a simulation of the logic click the green Play button 1 for simulation at full speed near to real time The timer 2 keeps track of the elapsed time The timer can be reset using the blue Reset button 3 To stop a simulation click the red Stop button 4 Time control of the simulation For logic processes which are too fast to see at normal speed there are two possibilities Use the sliding bar 5 to slow the simulated passage of time Itis possible to execute a simulation in time increments To do so stop the simulation by clicking on the red Stop button and click on one of the time increment buttons to the right of the sliding bar 5 The following time periods are available by default 4 ms 20 ms 40 ms 200 ms and 400 ms These values will be adapted automatically respective to the size of the programmed logic since they represent multiples of the execution time By clicking on one of these time buttons the simulation jumps forward by the specified time increment Additionally the input field on the right 6 allows you to enter a user specific time period in ms by which the simulation will jump forward when the yellow button 7 beside the input field is pressed By entering a large number such as 40000 40 s into this field you can jump forward in order to avoid waiting for timers to complete their cycle for example The entered time will be rounded to the nearest
14. MELSEC WS Logic programming Function blocks Output signals of the function block Top output If this function block is configured without Dynamic Cam the Top output signal is based on the Overrun Cam input signal Figure 99 shows a logic diagram for the Top output Figure 99 1 Sequence timing Overrun Cam diagram for Top output i Run up Cam without Dynamic Cam l l Control input is Active Top JO Y TU _ Z_ If this function block is configured with an input for Dynamic Cam and Dynamic Cam changes from Active High to Inactive Low i e falling edge the Top output changes to Active High The Top output remains Active High until Overrun Cam changes from Active High to Inactive Low When this happens the Top output becomes Inactive Low This means that a second transition of Dynamic Cam from Active High to Inactive Low does not have any influence of the signal state of the Top output Figure 100 Sequence timing l l diagram for Top dead Oyarrun Sam center output with Run up Cam FT Dynamic Cam Control input is Active Dynamic Cam ST Oo T Top i__ M 151 Logic programming Function blocks Figure 101 Sequence timing diagram for Up output without Dynamic Cam Control input is Active Figure 102 Sequence timing diagram for Up output with Dynamic Cam Control input is Active Note Table 79 Error outputs for the function block Eccentric Pre
15. Muting with a sequential layout of sensor pairs ESPE Hazardous area e g safety light curtain Ls aes r bs Transported material g A2 DO In the example the material moves from the left to the right As soon as the muting sensors A1 amp A2 are activated the protective effect of the protective device ESPE is muted The protective effect remains muted until a sensor of the muting sensor pair B1 amp B2 becomes free again Input conditions for muting sensors Condition Description A1 amp A2 Starts the muting cycle The first sensor pair is activated or B1 amp B2 depending on the direction of transportation of the material A1 amp A2 amp B2 amp B1 Condition for transferring the muting function to the second sensor pair B1 amp B2 Muting applies as long as this condition is fulfilled The second or A1 amp A2 sensor pair is activated depending on the direction of transportation of the material 138 MELSEC WS 139 Note Logic programming Function blocks Equations and prerequisites for calculating the distance L 2vx2x Tin Muting sensor vxt gt L L Lo lt L3 Tin Light curtain lt Tin Muting sensor Where L Distance between the inner sensors layout symmetrical to the detection area of the ESPE L Distance between the outer sensors layout symmetrical to the detection area of the ESPE
16. Separate lines have to be used for the sensor signals A1 and A2 B1 and B2 Aline that is independent of other input signals has to be used for the signals for Reset and Reset required in order to exclude unintentional resetting of the system The line must furthermore be laid protected The total muting time cannot be set to indefinite Inactive without additional precautions being taken If the total muting time is set to Inactive additional measures have to be taken to ensure that no one can access the state entailing the hazard connected with the muting condition 6 7 2 Muting sensors Muting sensors detect material and supply the signals required by the control system When the muting conditions are fulfilled the control system can mute the protection device on the basis of the sensor signals Muting sensor signals can be generated by the following external sensors optical sensors inductive sensors mechanical switches signals from the control system If you use optical sensors for muting applications use sensors with a background suppression in order to ensure that only the transported material fulfils the muting condition These sensors detect material only up to a specific distance Objects that are further away can therefore not fulfil the input conditions of the muting sensors 120 MELSEC WS 121 Note ATTENTION Logic programming Function blocks 6 7 3 Muting override lamp A muting and or overr
17. 23 Note The graphical user interface Do not save the project data while Setting and Monitoring Tool is connected to the MELSEC WS safety controller Before saving the project data disconnect the PC from the MELSEC WS safety controller Complete information on the currently loaded project and all the settings including the logic programming and wiring is available in the Report view Furthermore additional information on the project can be entered here All the information can be saved in standard file formats and printed out The scope of the report can be compiled individually depending on the selection The stored error messages are displayed as a history of a connected MELSEC WS safety controller in the Diagnostics view The graphical user interface MELSEC WS Figure 3 Sub windows can be converted to flyout menus 4 4 Positioning windows Every view consists of several sub windows that can be positioned freely You can change the height width and position of each sub window by using the mouse to move the frame or title bar of the sub window convert a sub window into a flyout window by clicking the Hide button drawing pin symbol on the right in the title bar The flyout is then positioned on the left hand margin of the Setting and Monitoring Tool window move flyout windows back to their normal position by clicking the drawing pin icon in the flyout window again ting and Monitoring Tool 1 2 0
18. Click on Edit in the toolbar You will be prompted for confirmation If you click on Yes the Customized Function Block will be transformed to a Grouped Function Block which can be edited see Section 6 9 1 In order to make the modified function block available for re use in the function block list save it again as a Customized Function Block by clicking Save as CFB in the toolbar Logic programming Function blocks MELSEC WS Note Note How to transfer Customized Function Blocks to another computer Adding Customized Function Blocks to the function block list Drag and drop the desired Customized Function Blocks into the logic editor and save the project file Open the project file on another computer You will be prompted to accept an import of all Customized Function Blocks used in the project file Click on Yes to import the Customized Function Blocks They will be listed in the function block list and will be available in all new projects on the same PC Not adding Customized Function Blocks to the function block list Click on No to import the Customized Function Blocks as grouped function blocks only In this case they will not be listed in the function block list and will be available for the current project only If a Customized Function Block to be imported has the same name as another Customized Function Block saved in the PC the imported Customized Function Block will be added under the same n
19. Creating a new project Opening an existing project file The graphical user interface MELSEC WS Figure 2 The view can be selected below the menu bar 4 2 Setting the desired language Click the flag icon in the menu bar at the extreme right and select the desired language version 4 3 Standard views The Setting accessed vi and Monitoring Tool has the following standard views that can be a tabs below the menu bar Revision 1 EFI Revision 5 1 0 Modules ei irst steps How can I simulate the configuration low can I find the product in the Internet les jodules Network Modules cpuo cPUt a g 2 Machine Operator 230ffline A Designer configuration is not verified The structure of aMELSEC WS safety controller consisting of various hardware modules as well as the configuration of the inputs and outputs and the connected elements are specified in the Hardware configuration view The function logic can be configured by means of logic function blocks and application specific function blocks in the Logic editor view This view is not available unless a CPU module has been selected beforehand in the hardware configuration Ifthe project contains at least one network module the GETH Network Module 13 view is available Here you can configure the network module and the data that are transferred to and from the network 22 MELSEC WS
20. EN1 Static is Inactive Low A valid restart sequence can be required before a signal transition of On Start if the Restart Interlock after stop condition parameter is set to with If you connect a command device e g a two hand control to the On Start input you must ensure that unintentional restarting is not possible 174 MELSEC WS 175 Logic programming Function blocks Off Stop If the Stop request parameter at Off Stop is set to Active the Off Stop input signal is used to signal a stop to the press When the Off Stop input is Active High Output Enable is set to Inactive Low This input should only be used if the Stop request parameter has been set to Off Stop Active The Off Stop input is not used when the Stop request parameter has been set to On Start Inactive A valid restart sequence can be required before a signal transition of On Start when the Restart Interlock after stop condition parameter is set to with The Off Stop input is designed for the connection of signals that are not safety relevant e g from a programmable logic controller Safety relevant signals may only be connected to the EN1 Static input not to the Off Stop input EN1 Static The input signal EN1 Static is mandatory Output Enable always changes immediately to Inactive Low if EN1 Static is Inactive Low If this function block is used together with a press contact function block e
21. Fault Present Output Enable 0 0 0 0 0 1 0 0 1 0 0 1 1 1 0 0 x x 1 0 46 MELSEC WS Figure 20 Function block for dual channel equivalent 2 pairs evaluation Table 8 Dual channel equivalent 2 pairs evaluation 47 Logic programming Function blocks 6 3 5 Dual channel equivalent 2 pairs evaluation Input 1 Pair 1 g Output Enable Input 2 Pair 1 g Fault Present Input 1 Pair 2 g Input 2 Pair 2 g Input 1 Input 2 Input 1 Input 2 Fault Output Pair 1 Pair 1 Pair 2 Pair 2 Present Enable 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 1 1 0 0 0 0 1 1 1 0 0 1 0 0 0 0 0 1 0 0 1 0 0 1 0 1 0 0 0 1 0 1 1 0 0 1 1 0 0 0 0 1 1 0 1 0 0 1 1 1 0 0 0 1 1 1 1 0 1 x x x x 1 0 Logic programming Function blocks Figure 21 Function block for dual channel complementary 2 pairs evaluation Table 9 Dual channel complementary 2 pairs evaluation MELSEC WS 6 3 6 Dual channel complementary 2 pairs evaluation Input 1 Pair 1 Output Enable Input 2 Pair 1 g Seer ore m Fault Present Input 2 Pair 2 Input 1 Input 2 Input 1 Input 2 Fault Output Pair 1 Pair 1 Pair 2 Pair 2 Present Enable 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 1 1 0 0 0 0 1 1 1 0 0 1 0 0 0 0 0 1 0 0 1 0 0 1 0 1 0 0 1 1 0 1
22. High If one of the above mentioned conditions is not fulfilled during operation Release becomes Inactive Low fail safe and the Contact Error output becomes Active High Release cannot be reset until after a valid restart sequence has taken place i e transition from Inactive Low to Active High gt 100 ms or 350 ms lt 30 s to Inactive Low Logic programming Function blocks Figure 111 Example of a sequence timing diagram for Overrun Error Table 84 Error states and information on restarting for the function block Universal Press Contact ATTENTION MELSEC WS Overrun Error output If the Overrun Cam input is defined and used the function block monitors the overrunning of the press If the Overrun Cam input changes from Active High to Inactive Low and the Control input remains Inactive Low i e the press has not started there is an overrun error and the Overrun Error output becomes Active High Overrun Cam es ae ey ee ee eee Control An atere Release ee Be Overrun Error ee ee 2 a oe Error states and information on restarting Diagnostics Fault a Resetting the error state Remarks outputs Present Contact Error Active When Contact Errors or Overrun Release changes to Overrun Error Errors are Active the Restart Inactive and the Required output is Active Fault Present pulsing with 1 Hz A valid changes to Active restart sequence sets the error if either the Contact
23. L3 Length of the material in conveyor direction v Velocity of the material e g of the conveyor belt t Set Muting Total Time s TIN Light curtains TIN Muting sensor Response time of the light curtain or the muting sensors in the MELSEC WS safety controller see the Safety Controller User s Manual In this example the material can either be moved in both directions or a fixed direction of transportation can be defined as follows With the optional signal C1 If used signal C1 always has to be activated before both muting sensors of the first sensor pair e g A1 and A2 become Active By means of the Direction Detection parameter The sensor layout shown in this example is suitable for all types of sensors Avoid mutual interference of the sensors Increase the protection against manipulation and the safety level by using the following configurable functions Concurrency monitoring Monitoring of the muting total time Mating end via ESPE Sequence monitoring The wiring of devices is described in Section 6 7 5 Logic programming Function blocks MELSEC WS Sequence timing diagram The function block requires that a valid muting sequence takes place Figure 90 shows an example of a valid muting sequence based on the parameter basic setting for this function block Figure 90 Valid muting sequence A1 j l using the configuration basic setting A2 I T TT S C1 Input without
24. MELSEC WS Figure 28 Function block diagram for the function block NOT ATTENTION Table 11 Truth table for the function block NOT 57 Logic programming Function blocks 6 5 Logic function blocks 6 5 1 Logic function block NOT Function block diagram Input g General description The inverted state of input applies at the output If for example the input is Active the output is Inactive This function block evaluates exactly one input Never control safety output signals directly with a NOT function block Always ensure that the usage of a NOT function lies logically before a Reset function block in your application so that unintentional starting up is prevented Never control safety output signals directly with a NOT function block Truth table The following applies for the truth tables in this section 0 means logic Low or Inactive 1 means logic High or Active x means any 0 or 1 Truth table for NOT Input Output 0 1 1 0 Error states and information on resetting Logic functions do not carry out monitoring for error conditions Logic programming Function blocks Figure 29 Function block diagram for the function block AND Table 12 Truth table for AND evaluation with one input Table 13 Truth table for AND evaluation with two inputs Table 14 Truth table for AND evaluation with three inputs MELSEC WS 6
25. New Project S CPU Modules cpPuo CPU Revsin Ft EFL Network Modules Revision 3 1 0 Modules Machine Operator 230ffline A Designer configuration is not verified 4 5 Hardware configuration standard view The Hardware configuration window consists of the following sub windows Tabs for switching between the standard views Hardware configuration Logic editor Report and Diagnostics Menu bar with the menus Project Device Extras Toolbar with icons for rapid access to menus that are often used 24 MELSEC WS 25 The graphical user interface Selection window Elements all devices e g sensors encoders or actuators displays etc that can be connected to a MELSEC WS safety controller are listed here The devices can be parameterized and renamed In addition user defined devices can be created and stored In addition to the elements EFI elements can also be connected They are dragged to the two EFI interfaces of the CPU module provided that the CPU module e g WS0 CPU1 provides EFI interfaces Parking Area here the user can compile a selection of devices for a concrete application and store them temporarily Selection window Modules all the MELSEC WS modules that can be combined into a MELSEC WS safety controller are listed here The modules that cannot be selected at the current configuration are greyed out Modules that can be added to the current configuration are ident
26. e g Feedback Error or Directional Valve Error The outputs are not reactivated automatically after an error and a valid reset sequence manual or automatic has occurred if at least one Control input is Active High at the respective moment All the Control inputs concerned must first change to Inactive Low before the outputs can be reactivated i e that all the Control inputs have to be Inactive Low and all the Feedback inputs have to be Active High Ensure that the transitions of the signals for resetting fulfil the requirements of the safety standards and regulations In case of a short circuit to High to 24 V DC at a physical input the evaluated signal can have a pulse when the signal is reset due to the short circuit detection If such a pulse can result in a hazardous state in the machine the following points are to be observed Ensure protected cable laying for the signal line due to cross circuiting to other signal lines No short circuit detection i e do not reference to test outputs 110 MELSEC WS 111 Logic programming Function blocks The components of the valve monitoring check whether the Feedback input signals follow the Control inputs in accordance with the configuration for the ON delay T_ON and OFF delay T_OFF If the Feedback signals do not follow the signals of the Control inputs in accordance with the configured parameters the outputs of the function block are deactivated If a
27. 1 means logic High or Active x means any 0 or 1 The Fault Present is active when the logic processing of the MELSEC WS safety controller detects an error in the combination or in the sequence of the input signals 44 MELSEC WS Figure 17 Function block for single channel evaluation Table 5 Single channel evaluation Figure 18 Function block for dual channel equivalent 1 pair evaluation Table 6 Dual channel equivalent 1 pair evaluation 45 Logic programming Function blocks 6 3 2 Single channel evaluation Input 1 Pair 1 g Output Enable Fault Present Fault Present Input 1 Pair 1 Output Enable 0 0 0 1 0 1 1 0 Xx 6 3 3 Dual channel equivalent 1 pair evaluation Input 1 Pair 1 g Input 2 Pair 1 mi Output Enable E Fault Present Input 2 Pair 1 Fault Present Input 1 Pair 1 Output Enable 0 0 0 0 0 1 0 0 1 0 0 0 1 1 0 1 x x 1 0 Logic programming Function blocks Figure 19 Function block for dual channel complementary 1 pair evaluation Table 7 Dual channel with complementary 1 pair evaluation 6 3 4 Dual channel complementary 1 pair evaluation MELSEC WS Input 1 Pair 1 g Output Enable Input 2 Pair 1 g g Fault Present Input 1 Pair 1 Input 2 Pair 1
28. 1 0 0 0 0 0 0j0 4 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 01 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 x x x xix x txitxfx o o o o o 0d0 o0 1 Input parameters of the function block None Output of the function block The following additional error outputs are available Optional output connections of the function block Fault Present For further information on these parameters refer to Section 6 3 and Section 6 4 Sequence timing diagram Stop Run 102 MELSEC WS Table 54 Error states and information on resetting the function block User Mode Switch Note Figure 73 Function block diagram for the function block EDM 103 Logic programming Function blocks Error states and information on resetting Diagnostics outputs Fault Present Resetting the error Remarks state Fault Present When the Fault Present is Active the More than one input The Fault Present returns Active for more than immediately to Inactive 2 seconds when the error state no output changes to Or longer exists Inactive fail safe All the inputs Inactive for more than 2 seconds In order to eliminate the input error at the Active input you can for example briefly interrupt the corresponding input line or test output line A change in the signal state High Low High also deletes an error
29. 1 0 0 1 1 0 0 0 0 1 1 0 1 0 0 1 1 1 0 0 0 1 1 1 1 0 0 x x x x 1 0 Note that a dual channel evaluation can already have been carried out at some devices that have been integrated in the hardware configuration In this case the WS0 XTDI or WSO XTIO module can transfer the result of this evaluation as a single bit via the internal FLEXBUS backplane bus If there is such a pre evaluation you can configure the function block on a single channel input Alternatively you can apply this pre evaluated input signal bit to both input channels of a function block with a dual channel input configuration Pre evaluated signals can occur in the local input and output definition of the MELSEC WS safety controller or in a protective device If you apply a one bit address to both inputs of the function block the MELSEC WS safety controller regards the first connection as the logic result and ignores the second connection 48 MELSEC WS ATTENTION Figure 22 Dual channel decentralised input with single channel safety output 49 Logic programming Function blocks The following function blocks generate the same output value for a dual channel input signal that was pre evaluated by the protective device Connect the pre evaluated signals correctly If inputs or outputs for a dual channel evaluation were pre evaluated you have to ensure that the resulting pre evaluated signal of the dual channel evaluat
30. 5 2 Logic function block AND Function block diagram Input 1 Input 2 Input 3 Input 4 Input 5 Input 6 Input 7 Input 8 Output 1 General description The output is Active if all the evaluated inputs are Active Up to eight inputs are evaluated Truth table See below for truth tables for one to eight inputs These truth tables use the following designations 0 means logic Low or Inactive 4 means logic High or Active x means any 0 or 1 Truth table for AND evaluation with one input Input 1 Output 1 0 0 1 1 Truth table for AND evaluation with two inputs Input 1 Input 2 Output 1 0 x 0 x 0 0 1 1 1 Truth table for AND evaluation with three inputs Input 1 Input 2 Input 3 Output 1 0 x x 0 x 0 x 0 x x 0 0 1 1 1 1 58 MELSEC WS Table 15 Truth table for AND evaluation with four inputs Table 16 Truth table for AND evaluation with five inputs Table 17 Truth table for AND evaluation with six inputs Table 18 Truth table for AND evaluation with seven inputs 59 Truth table for AND evaluation with four inputs Logic programming Function blocks Input 1 Input 2 Input 3 Input 4 Output 1 0 x x x 0 x 0 x x 0 x x 0 x 0 x x x 0 0 1 1 1 1 1 Truth table for AND evaluation with five inputs
31. 6 2 Input 7 2 Input 8 Outputs Motor LeD Output 3 Output 4 Output 5 Output 6 Output 7 Output 8 z gi a as 1 Bae ane ee aL Function Block FB Group info C T J a Machine Operator 230ffline Designer configuration is not verified 190 MELSEC WS Figure 135 Switching between internal and external view 191 Logic programming Function blocks To switch between the internal tag names of the Grouped Function Block internal view and the external I O descriptions external view click on Switch View in the toolbar Safety Controller Setting and Monitoring Tool 1 2 0 820 P Com Settings M43 Connect A a 9 Transfer i Hardware configuration R GETH Network Module 13 Rep gt fej 7 10 p Help ary Page first steps with logic editor How can simulate the configuration How can luse the message generator gt report gt 9 grouped amp customised function blocks i How can minimize my reaction time The internal view shows the Grouped Function Block s tag names for its inputs and outputs The external view shows what is connected to the Grouped Function Block How to transfer a grouped function block to another PC Save the project file and open it on the other PC Grouped Function Blocks contained in the project will be imported automatically Logic programming
32. All the Operator inputs have to be Inactive Low 3 All the Operator inputs have to change to Active High 4 All the Operator inputs and Static Release inputs have to remain Active High This causes Output Enable change to Active High 5 The reactivation condition changes depending on the configuration of the function block e g detection of falling edge or rising edge The reactivation condition allows Output Enable to become Inactive Low 6 All the Operator inputs have to change to Inactive Low Every Operator input is considered independently of the others For example it is possible that Operator 1 changes to Inactive Low and then back to Active High before Operator 2 has returned to Inactive Low However all the Operator inputs first have to change to Inactive Low and then back to Active High before Output Enable can be reset to Active High 7 Go to item 4 above Input parameters of the function block The following parameters of the function block can be configured Parameter Possible parameter values Default Trigger Condition rising edge rising edge falling edge Number of operators 2 operators 2 operators 3 operators Number of Static Releases no static release no static 1 static release release 2 static release Error states and information on resetting The function block Multi Operator does not carry out monitoring for error conditions Logic programming F
33. Cam Disable Monitoring The input signals for TDC BDC and Overrun Cam have to use separate test pulse outputs and accord with Figure 106 below Depending on your risk analysis and avoidance strategy and the standards and regulations to be applied e g EN 692 or EN 693 the TDC BDC and Overrun Cam input can be evaluated using single channel or dual channel configurations The BDC signals have to conform to your risk analysis If a single channel signal with or without testing is used for BDC an error can cause an Active High signal You can avoid this by using two BDC signals and evaluating these as a dual channel input with discrepancy time monitoring If the number of BDC signals per press cycle was configured to 0 2 two BDC signals have to be used If you use this signal take the applicable standards and regulations into consideration in accordance with your risk analysis and avoidance strategy Overrun Cam Active TDC Inactive BDC Active 270 90 Logic programming Function blocks MELSEC WS For a complete cycle of 360 the following conditions apply for the TDC BDC and Overrun Cam signals TDC middle ring has to be triggered at or near 0 TDC has to be Inactive Low in the filled section of the middle ring During the remaining period of the press cycle TDC is Active High Only one Inactive Low signal is permissible for TDC per press cycle The signal for BDC innermost
34. Controller User s Manual Chapter 2 contains fundamental safety instructions These instructions must be read For the acquisition of Setting and Monitoring Tool please contact your local Mitsubishi representative 1 4 1 Recommendations for familiarising your self with Setting and Monitoring Tool We recommend the following procedure for users who want to familiarise themselves with Setting and Monitoring Tool for the first time Read Chapter 4 to familiarise yourself with the graphical user interface and do the exercises for the configuration of example applications 1 4 2 Recommendations for experienced users We recommend the following procedure for experienced users who have already worked with Setting and Monitoring Tool Familiarise yourself with the most recent version of the software by reading Section 1 4 The table of contents lists all the functions provided by Setting and Monitoring Tool Use the table of contents to obtain information about the basic functions About this document MELSEC WS Note ATTENTION Menus and commands Key 1 5 Symbols and notations used Notes provide special information on a device or a software function Warning An ATTENTION indicates concrete or potential dangers These are intended to protect you from harm and help avoid damage to devices and systems Read warnings carefully and follow them The names of software menus submenus options and commands sel
35. E How can I use the message generator D report D gt grouped amp customised function blocks How can minimize my reaction time Function Block Logic 5 Function Block a Valve Monitoring g User Mode Switch Cut Copy SS Two Hand Control type IIIA Delete BF Two Hand Control type IIC as cer Edit Restart Restart rera Reset Ur On Delay Timer Ww Off Delay Timer a Multi Operator eee a Be 4 Inputs Function Block Outputs FB Preview ll lt i gt Machine Operator 23Offline A Desiener configuration is not verified Figure 129 Edit Function Block Edit Function Block Details Details dialog for the Grouped Function Block Function Block Name Select Function Block Icon Enter a name for the new Grouped Function Block Note Do not enter the same name used in any existing Grouped Function Block for the new Grouped Function Block If you want to assign another icon to the new Grouped Function Block click on Select to open the Select Icon dialog You can choose the icon from a fixed library 187 Logic programming Function blocks MELSEC WS Figure 130 Select Icon dialog for Select Icon the Grouped Function Block Select the desired icon and click OK Back in the Edit Function Block Details dialog click OK to confirm your changes and to leave the dialog The selecte
36. E E E E Cam TDC BDC a E E E E TDC Overrun a a E E E E Cam BDC Top output The signal of the Top output is Active High when the TDC signal is Inactive Low BDC and Overrun Cam contact do not have any effect on the Top output signal Figure107 shows a logic diagram for the Top output TDC Top Dead Center mr e E E BDC Bottom Dead Center on L TP L Top JUO TLU Logic programming Function blocks MELSEC WS Figure 108 Up output when TDC and BDC do not superimpose Figure 109 Up output when TDC and BDC superimpose Figure 110 Up output at two BDC signals per press cycle Table 83 Error outputs of the function block Universal Press Contact Up output If BDC is configured and used it acts directly on the Up output This output signal can be used in combination with other function blocks e g for Upstroke muting If BDC is Active High during the system start up the Up output remains Inactive Low until BDC returns to Inactive Low and afterwards changes to Active High The following situations are possible Pe TLE 1 iLF 1 cr ee ee ee e a ey ee PLT Ly i i ee Ce ee eL T Lo r aaa E 1 Ly LS LE a S a a z B Error outputs The following additional error outputs are available Optional output connections of the function block Contact Error Overrun Error Fault Present 160 MELSEC WS 161 Logic p
37. Error is Active the Restart Required output is Active A valid restart sequence sets the error state i e Contact Error or Overrun Error to Inactive Diagnostics Fault 2 Resetting the error state Remarks outputs Present Contact Error Active When Contact Error or Overrun Release changes to Inactive and the Fault Present changes to Active if either Contact Error or Overrun Error is Active Safety relevant signals have to conform to standards and regulations to be applied Always take the valid national regional and local regulations and standards into consideration for your application Type C standards such as EN 692 and EN 693 contain requirements how safety relevant signals have to be used For example the restart signal has to be protected by suitable means in case of overrun errors e g by a key switch or in a closed control cabinet 154 MELSEC WS Figure 105 Function block diagram for the function block Universal Press Contact 155 Logic programming Function blocks 6 8 2 Function block Universal Press Contact Function block diagram Control Release Restart Toc BDC mi TOP g UP Restart Required Overrun Cam Contact Eror Overrun Eror General description The function block Universal Press Contact is used to monitor press contacts of different press types e g hydraulic presses and eccentric presses i e mechanical presses If no errors were
38. Function blocks MELSEC WS Figure 136 Function block diagram for the Customized Function Block Note 6 9 2 Customized Function Block Once a Grouped Function Block is created it is possible to lock and import it into the function block selection field for use in future project files The resulting function block is called a Customized Function Block Function block diagram Input 1 a Ay mi Output 1 Input 2 Bj mi Output 2 Input 3 E Input 4 n Machine 1 A Customized Function Block has the following characteristics t can have a maximum of 8 inputs and 8 outputs it cannot contain the Fast Shut off function block nor another Grouped or Customized Function Block The icon representing the Customized Function Block may either be user defined or chosen from a fixed library within the Setting and Monitoring Tool itis created within the logic editor will be listed with the other function blocks in the function block list and will be available in all new projects on the same PC Upon opening a project file containing Customized Function Blocks on another PC you have the following options You can import the Customized Function Blocks into the function block listing on the new PC for further use in new projects Or you can import the Customized Function Blocks for this project only In this case they will not be listed in the function block list When determining the total number of function b
39. Input 4 Machine 1 You can select groups of function blocks in order to create a single Grouped Function Block The typical purpose of a grouped function block is to simplify the re use of groups of logic and to reduce the number of function blocks on a page A Grouped Function Block has the following characteristics It can have a maximum of 8 inputs and 8 outputs It cannot contain the Fast Shut off function block nor another Grouped or Customized Function Block The icon representing the Grouped Function Block is chosen from a fixed library within the Setting and Monitoring Tool It is created within the logic editor but is not listed in the function block list It is saved with the project file Upon re opening the project file on another PC the Grouped Function Block will be displayed It can be saved as a Customized Function Block When determining the total number of function blocks within a project the Grouped Function Block is not counted as a single function block but rather the total number of blocks used within it 186 MELSEC WS Logic programming Function blocks How to create a Grouped Function Block Select the function blocks which are to be grouped Right click on one of the selected function blocks to call up the context menu Figure 128 Creating a Grouped Function Block Hardware configuration D first steps with logic editor How can simulate the configuration
40. Jurisdiction These terms and any agreement or contract between Customer and MELCO shall be governed by the laws of the State of New York without regard to conflicts of laws To the extent any action or dispute is not arbitrated the parties consent to the exclusive jurisdiction and venue of the federal and state courts located in the Southern District of the State of New York Any judgment there obtained may be enforced in any court of competent jurisdiction 6 Arbitration Any controversy or claim arising out of or relating to or in connection with the Products their sale or use or these terms shall be settled by arbitration conducted in accordance with the Center for Public Resources CPR Rules for Non Administered Arbitration of International Disputes by a sole arbitrator chosen from the CPR s panels of distinguished neutrals Judgment upon the award rendered by the Arbitrator shall be final and binding and may be entered by any court having jurisdiction thereof The place of the arbitration shall be New York City New York The language of the arbitration shall be English The neutral organization designated to perform the functions specified in Rule 6 and Rules 7 7 b 7 8 and 7 9 shall be the CPR Microsoft Windows Windows NT and Windows Vista are registered trademarks of Microsoft Corporation in the United States and other countries Pentium is a trademark of Intel Corporation in the United States and other co
41. MELSEC WS Figure 151 Verification failed RE Upload and Verify Result Upload and Verify of the configuration failed The configuration in the connected device differs from the configuration in the project You can either continue to work with the configuration in your project with e Download the configuration into the device and e verify the configuration in Setting and Monitoring Tool afterwards You can also continue to work with the configuration of the device with e Upload the configuration from the device and e verify the configuration in Setting and Monitoring Tool afterwards Close If the verification is completed successfully a Read in and compare report that provides the most important project information is created subsequently You can print out or store this report The query whether the device is to be marked as verified is displayed in the lower part of the report window Only if the device and the corresponding configuration have been marked as verified the Auto RUN mode in the configuration of the CPU module is active Logging in as an Authorized client is required in order to mark the device as verified The status verified not verified is indicated in the lower right hand corner of the Setting and Monitoring Tool and by the CV LED of the CPU module turning on 208 MELSEC WS Figure 152 Verification successful 209 Note Transferring the system con
42. Meaning O Configuration required Yellow 2 Hz Storing of configuration data in the non volatile memory Supply voltage may not be interrupted until the storage process has been completed Yellow 1 Hz Valid but unverified configuration Yellow Symbol description Valid and verified configuration O LED off LED lights up LED flashes Device states of the MELSEC WS safety controller MELSEC WS Figure 153 Stop Run icon 8 1 1 Change in the device state Specific state changes in the MELSEC WS safety controller are carried out manually in the Setting and Monitoring Tool These changes in the device state are Change from Stop to Run Change from Run to Stop In order to change the device state use the Stop and Run icon next to the representation of the modules in the hardware configuration Safety Controller Setting and Monitoring Tool 1 2 0 Sample How can I find the product in the Internet How can I print a report How can I diagnose my project Module 0 Device Type code Serial number Version Hardware version Firmware version Operational status Module 13 Device Type code i Serial number Version Hardware version Firmware version Operational status Module 1 Device Type code Serial number Version Hardware version Firmware version 212 MELSEC WS 213 Note De
43. Parameter Possible parameter values Default Inputs single channel dual channel dual channel equivalent equivalent dual channel complementary Discrepancy Inactive 0 ms 10 ms to 30 000 ms in 10 ms steps If 30 ms Time used the set discrepancy time has to be greater than the execution time of the MELSEC WS safety controller For further information on these parameters refer to Section 6 3 and Section 6 4 Output of the function block The following additional error outputs are available Optional output connections of the function block Discrepancy Error Fault Present In order to allow access to these output conditions increase the number of outputs on the In Out Settings tab of the function block properties Sequence timing diagram Input 1 7 oe O Input 2 fF ft if Output Enable LL E Discrepancy Error a i lt i lt LLL Fault Present 2 a a G Stop gt Run 7 aga p T gt Tpisc T lt Thisc If the enable condition was already fulfilled at the state change of the MELSEC WS safety controller from the stop state to the Run state Output Enable does not change to Active The input evaluation must have been Inactive beforehand 88 MELSEC WS Table 41 Error states and information on resetting the function block E Stop Figure 60 Function block diagram for the function block Light Curtain Monitoring Table 42 Input parameters o
44. after a system reset e g using the Setting and Monitoring Tool or after a transition from the Stop state to the Run state After the Override Required output has become Active pulsing with 2 Hz and a subsequent Override signal has become Active High muting begins again and Output Enable becomes Active High If the muting cycle is stopped because of a faulty input signal of a muting sensor Override Required changes to Active High for the duration of one cycle provided that the remaining conditions for Override Required are fulfilled If the faulty input of the muting sensor returns to Active High and subsequently to Inactive Low the muting cycle is stopped again and Override Required becomes Active High provided that the remaining conditions for Override Required are fulfilled During a valid override state the muting direction sequence monitoring depending on the function block and concurrence monitoring are not monitored for the duration of an override cycle Conveyer Input If the movement is stopped during the muting cycle it is possible to exceed the Muting Total Time and other parameters that can result in a Muting Error This can be avoided by using the Conveyer input This input is used to stop time critical functions connected with muting when the material to be transported does not move further The input for monitoring the conveyer belt has to fulfil EN 61131 and has the following properties O0VD
45. an error this is indicated correspondingly by an LED see the Safety Controller User s Manual and the safety controller only transfers Inactive failsafe values 10 2 Transferring the configuration After you have configured the hardware and the logic in the MELSEC WS safety controller and have checked whether they are correct transfer the configuration to the safety controller via the Setting and Monitoring Tool Technical commissioning MELSEC WS 10 3 Technical test and commissioning The machine or system that is protected by a MELSEC WS safety controller may only be started up after a successful technical check of all the safety functions The technical test may only be performed by qualified safety personnel The technical test includes the following test items Clearly mark all the connection cables and plugs at the safety controller in order to avoid confusion Since the MELSEC WS safety controller has several connections of the same design ensure that loosened connection cables are not connected back to the wrong connection Verify the configuration of the MELSEC WS safety controller Check the signal paths and the correct inclusion in higher level controllers Check the correct data transfer from and to the MELSEC WS safety controller Check the logic program of the safety controller Completely document the configuration of the system the individual devices and the result of the safety check Check the safety fu
46. and add or delete notes 214 MELSEC WS Figure 155 Diagnostics standard view 215 Report and diagnostics How to save or print a report The report can be printed or saved as PDF To save the report as PDF click on the Save button To print the report click on the Print button A PDF preview of the report will be created that you can subsequently print 9 2 Diagnostics Once you have completed your project and are connected to your MELSEC WS safety controller you can perform a diagnostics on your system In the diagnostics view a complete list of all messages informations warnings and error messages of your system is available in the upper part of the window If you click on one of the entries in the list details on the selected message are displayed in the lower part of the window Safety Controller Setting and Monitoring Tool 1 2 0 New Project By Retresh ER Clear Settings Time stamp Code Description Time stamp Local Time Cycle Power Type Source Category Information Occurrence Counter Power On Hour Operating Hours Block Register CPU Channel en detected in the FLEX BUS communication Pl Ox003E4006 The systern has performed a restart because interferences have been detected in the FLEX BUS communication Please ensure that installation is EMC proof 23 00 12 47 2009 09 07 14 51 58 117 Warning non volatile CPU Module Application 00 00 00 00 1
47. by activating the write protection The write protection can be set and deactivated in the Setting and Monitoring Tool by using the lock symbol in the hardware configuration to the left of the CPU module The write protection is included in copying when the data are transferred to the memory plug and are also transferred automatically to each safety controller to which the configuration data are duplicated 210 MELSEC WS Device states of the MELSEC WS safety controller 8 Device states of the MELSEC WS safety controller Table 90 Device status and LED displays on the CPU module 211 The MELSEC WS safety controller knows different device states during operation Some device states require a user intervention e g the change in the state from Stop to Run using the Setting and Monitoring Tool Other states are based on the internal self test of the safety controller e g Internal error The following table summarises the device states of the safety controller MS LED Meaning O Supply voltage lies outside range Red green 1 Hz A self test is being carried out or the system is being initialized Green 1 Hz System is ready for operation Green Application is being carried out Red 1 Hz Correctable error either in the CPU module or one of the safety I O modules Red 2 Hz Module has caused internal system error Red Critical error in the system CV LED
48. da a oon bdo ne ail dara trai oe ech sata tices bare bae na eee pe 95 Application specific function block Off Delay Timer cceee 98 Application specific function block On Delay Timetr 2 0 eeeees 99 Application specific function block User Mode Switch 0 08 101 Application specific function block EDM External Device Monitoring 103 Function block Multi Operator cececeeeecceeeeeeeeeeeeaeeeeeeeeetetstaeeeeees 106 Function block Valve Monitoring cccscceceeseeeeeeeneeeeeeeneeeeeeneeeeeeaas 109 Function block Magnetic Switch 0 0 2 eccceeeeeeeeeeeeneeeeeeseeeeeeeneeeeeeaas 115 Function blocks for muting with parallel sensors sequential sensors and sensors with crossed layout eeeeceeeeeeeeeeeeeeeeeeeeeeeeeeeaeeeeesaeeeeeenaeeeeseaas 117 General description ere a ade eee ete 117 Muting SeOnSOrs i 5 20 iyeetistun desiree aida 120 Muting override lar enone a a E A 121 Input parameters of the function DIOCK cececececceeeeeeeeeeeeeeeeeeeeetees 122 Information ON WIFING ccceeeeceseeeeeeeeeeeeeeeeeeeeeeseeeeeeeseeeeeeeseeaeeeeeenaees 132 State transition from Stop to Run cceceeeeeeceeceeeeeeeeeeeneeeeeeeeeeeeennaees 133 Error states and information on resetting ccceeeeeeeeeeeeeeeeeeteeeeeeeaes 134 Parallel MUting oriniai nien idp ant e E AEEA 134 Sequential Muting Muting with sequential layout of sensor pairs 138
49. data medium update the report enter additional information on the project 4 7 1 Exercise for the Report standard view Start the report by clicking the tab of the same name Click the check boxes of the components desired for the report in the selection list on the left hand side When a check mark is set or removed in the respective upper level the subordinate levels are marked correspondingly After you have completed all the changes in the selection list in the toolbar click Refresh Report The report is now drawn up in the right hand window section It can be saved and printed using the icons in the toolbar The Change Report structure tab can be used to select two different views of the configuration information hardware or function oriented Detailed information on using the wiring information at the end of the report is available in the Safety Controller User s Manual 4 8 Diagnostics standard view In the Diagnostics standard view all the stored error messages are displayed as a history of a connected MELSEC WS safety controller Change the safety controller to the Stop state before clearing the diagnostic results 30 MELSEC WS Connecting to the MELSEC WS safety controller 5 Connecting to the MELSEC WS safety controller Figure 6 Com settings dialog Figure 7 Com Settings dialog 31 5 1 First steps for establishing a connection This chapter describes how to establish a connection
50. described in this section in safety relevant applications you must observe all the safety standards Safety relevant signals have to be used for safety input and safety output signals in safety relevant applications The user is responsible for checking that the right signal sources are used for these function blocks and that the entire implementation of the safety logic fulfils the applicable standards and regulations Always check the mode of operation of the MELSEC WS hardware and of the logic program in order to ensure that these behave in accordance with your risk reduction strategy 40 MELSEC WS Table 4 Overview of the function blocks 41 Logic programming Function blocks 6 1 Function block overview The MELSEC WS safety controller uses function blocks to define the safety oriented logic A configuration can encompass a maximum of 255 function blocks There are logic function blocks and application specific function blocks The following table summarizes all the function blocks available for WSO0 CPUO and WS0 CPU1 Logic function blocks Application specific function blocks AND OR XOR XNOR Log Generator Routing 1 N Routing N N RS Flip Flop NOT Fast Shut Off Edge Detection Valve Monitoring User Mode Switch Two Hand Control type IIIA Two Hand Control type IIIC Restart Reset On Delay Timer Off Delay Timer Multi Operator Event Counter Up and Down Event Counter Up
51. detected the Release signal of the function block Universal Press Contact is Active High Normally the Release signal of this function block is connected to the next press element e g Function block Press Setup or Function block Press Single Stroke The Release signal of the subsequent function block e g Press Setup function block or function block Press Single Stroke is then used both for actuator control and as a feedback for the Control input of this function block The minimum configuration requires only TDC Optionally the BDC and Overrun Cam inputs can be connected If BDC is not used the Up output is not available This function block monitors the overrunning of the press and the correct sequence of TDC BDC and Overrun Cam If any discrepancy is detected Release changes to Inactive Low and the corresponding error output changes to Active If BDC and Overrun Cam are not used a plausibility check is not possible for the function block In this case a check for overrunning cannot be carried out The only remaining function in this case is the provision of the TDC signal Logic programming Function blocks Table 81 Input parameters of the function block Universal Press Contact Note ATTENTION MELSEC WS Input parameters of the function block Parameter Pere parameter Default values Overrun Cam input with with without BDC with with without Number of BDC signals per 1 e
52. diagram for the function block Press Single Stroke when On Start is configured in stepping mode Figure 116 Sequence timing diagram for the function block Press Single Stroke when On Start is configured in start Only mode Figure 117 Sequence timing diagram for the function block Press Single Stroke with upstroke muting of On Start and EN3 Safety Output signals of the function block Restart Required MELSEC WS The Restart Required output is Active when a valid restart sequence is expected at the Restart input Sequence timing diagram for Output Enable sse I U LE TLS wd M Ouputtnabe U U LI iaaa O a LF LE Ly m LNS i L Output Enable LO Upstroke muting On Start uU ANN A EN3 Safety oc en Ge es ees XN Up OL Output Enable L Error conditions The function block Press Single Stroke does not carry out monitoring for error conditions 172 MELSEC WS Figure 118 Function block diagram for the function block Press Automatic Table 87 Input parameters of the function block Press Automatic 173 Logic programming Function blocks 6 8 5 Function block Press Automatic Function block diagram On Start Off Stop EN1 Static EN2 Start Top Up Restart Output Enable Restart Required General description The function block Press Automatic is used in connection with press applications in which the wo
53. does not change to Active The input evaluation must have been Inactive beforehand When the MELSEC WS safety controller changes from Stop to Run all the errors are deleted and all the timers restarted If the Function Test Required output is Active while any error state is detected a High Low High sequence has to be carried out at the Function Test Signal input in order to delete the error fulfil the Function Test Required and activate the output 94 MELSEC WS Figure 65 Function block diagrams for the function block Two Hand Control 95 Logic programming Function blocks 6 6 6 Application specific function block Two Hand Control type IIIA type IIIC Function block diagram Input 1 9 Output Enable Input Pair 1 NO Output Enable Input Pair 1 NC g Input3 Pair 2 NO Input4 Pair 2 NC g Input 2 g General description The function block Two Hand Control provides the logic for monitoring the inputs of a two hand control in accordance with EN 574 The function block evaluates its input signals in pairs Input 1 and Input 2 form a dual channel evaluation and have to be complementary Input 3 and Input 4 form a dual channel evaluation and also have to be complementary A discrepancy time can be specified for both input pairs The synchronisation time is the time during which a discrepancy of the input pairs is permissible As specified in the standards and regulations the
54. g Eccentric Press Contact or Universal Press Contact its Output Enable signal must be connected with the EN1 Static input of this function block EN2 Start The input signal EN2 Start is optional When EN2 Start is configured Output Enable can only change to Active High e g during switching on when EN2 Start is Active High When Output Enable is Active High EN2 Start is no longer monitored Restart If the Restart Interlock after stop condition parameter has been set to without a Restart signal is not required in order to restart the press after any kind of stop If the Restart Interlock after stop condition has been set to with and Output Enable changes to Inactive Low Output Enable can only be reset after a valid restart sequence has been carried out i e the Restart input changes from Inactive Low to Active high gt 100 ms or 350 ms lt 30 s and back to Inactive Low Logic programming Function blocks MELSEC WS Figure 119 Sequence timing diagram for the function block Press Automatic with the Off Stop and Up inputs Figure 120 Function block diagram for the N Break function block Output signals of the function block Restart Required The Restart Required output is Active when a valid restart sequence is expected at the Restart input Sequence timing diagram for Output Enable On Start D ey a fy a Off Stop a STL TUL EN1 Static J L_ EN2 Start J LI ee a L
55. g eccentric press 1 e g eccentric press cycle 0 2 e g hydraulic press Min restart pulse time 100 ms 100 ms 350 ms Restart Input with with without Disable Monitoring Input with without without If the number of BDC signals per press cycle is set to 0 2 e g hydraulic press it may not be possible to detect certain errors such as a short circuit to Low i e short circuit to 0 V DC or an Inactive Low signal that was caused by an error detected at the BDC input signal Ensure that the transitions of the signals for restarting fulfil the requirements of the safety standards and regulations In case of a short circuit to High to 24 V DC at a physical input the evaluated signal can have a pulse when the signal is reset due to the short circuit detection If such a pulse can result in a hazardous state in the machine the following points have to be observed Ensure protected cable laying for the signal line due to cross circuiting to other signal lines No short circuit detection i e do not reference to test outputs 156 MELSEC WS ATTENTION Figure 106 Press cycle diagram for the Universal Press Contact function block 157 Logic programming Function blocks Input signals of the function block The function block Universal Press Contact supports the following input signals Control Restart TDC Top Dead Center BDC Bottom Dead Center Overrun
56. in order to start the press The PSDI timer starts when the press is stopped at the Top dead center i e the Top input changes from Inactive Low to Active High and after all the other stop conditions have been fulfilled The default for the PSDI time amounts to 30 s in accordance with the maximum PSDI time allowed for eccentric presses defined in DIN EN 692 If the PSDI time 0 PSDI Time Monitoring is deactivated 180 MELSEC WS Figure 123 Valid breaks when the Release paramter is set to not limited 181 Logic programming Function blocks Release The Release parameter determines under which circumstances a break is regarded as valid If the Release parameter is set to not limited breaks are valid when the rising edge i e the transition from Inactive Low to Active High at the PSDI input occurs after the Top input has changed to Active High The beginning of the break i e falling edge transition from Active High to Inactive Low at the PSDI input may occur before the Top input is Active High If the Release parameter is set to limited breaks are only valid when the rising edge i e the transition from Inactive Low to Active High at the PSDI input occurs after the Top input has changed to Active High The beginning of the break i e falling edge transition from Active High to Inactive Low at the PSDI input may not occur before the Top input is Active High
57. in the opposite direction Muting is terminated by a transition from four active sensors to an inactive sensor pair B 0 or 1 sensor active If backward was selected as the direction the muting sensor pairs have to be activated in the sequence B1 B2 before A1 A2 Muting is not possible in the forward direction Muting is terminated by a transition from four active sensors to an inactive sensor pair A 0 or 1 sensor active Muting Start Condition The Muting Start Condition parameter determines when a valid muting sequence can begin The Muting Start Condition can be defined for one of the following conditions All the muting sensors have changed to Inactive Low together or individually and the OSSDs of the protective device e g safety light curtain are Active High i e the protective field is free or All the muting sensors except the last muting sensor are Inactive Low and the OSSDs of the protective device e g safety light curtain are Active High i e the protective field is free If a higher throughput is required it can be advantageous to allow the beginning of the next muting sequence as soon as the transported material has passed the protective device as well as all the muting sensors with the exception of the last one i e if last muting sensor is active The default is if last muting sensor is active Logic programming Function blocks MELSEC WS Muting End Simi
58. inputs is Active High Output Enable is Active High Input parameters of the function block Parameter Possible parameter values Default Inputs dual channel complementary dual channel dual channel equivalent complementary Discrepancy Time 10 to 3000 ms 800 ms Output of the function block The following additional error outputs are available Optional output connections of the function block Discrepancy Error Fault Present In order to allow access to these output connections increase the number of outputs on the In Out Settings tab of the function block properties Logic programming Function blocks Table 63 Error states and information on resetting the Magnetic Switch function block MELSEC WS Error states and information on resetting Diagnostics Fault Resetting the error state Remarks outputs Present Discrepancy Active A Discrepancy Error cannot be reset Output Enable Error until the dual channel evaluation of the input has become Inactive The Discrepancy Error returns to Inactive when both inputs return to the Active and there is no error changes to Inactive and the Fault Present changes to Active if the Discrepancy Error is Active 116 MELSEC WS 117 Logic programming Function blocks 6 7 Function blocks for muting with parallel sensors sequential sensors and sensors with crossed layout 6 7 1 General d
59. manual must be made available to the operator of the machine where the MELSEC WS safety controller is used The machine operator is to be instructed in the use of the device by qualified safety personnel and must be instructed to read the manuals 18 MELSEC WS 3 Installation and removal Installation and removal Note 3 1 System requirements Recommended system configuration Windows XP or Windows Vista NET Framework 2 0 1 GHz processor 1 Gbyte work memory 1024 x 768 screen resolution J 200 Mbytes free hard disk memory Setting and Monitoring Tool is a NET Framework application It requires NET Framework Version 2 0 or higher Information on the current NET Framework versions and supported operating systems is available on the Internet at http www microsoft com Microsoft NET Framework Version 2 0 or higher and any other components that may be needed can also be downloaded from http www microsoft com downloads Use a standard user account or higher in Windows Vista 3 2 Installation For the acquisition of Setting and Monitoring Tool including information for installation please contact your local Mitsubishi representative Start the installation by running the setup exe file and then follow the further instruction When an RS232 USB converter WS0 UC 232A is used install a driver from the CD ROM provided with the converter Installation and removal MELSEC WS 3 3 Update For
60. manufacturing whichever is less The onerous repair term after discontinuation of production shall be for four 4 years Mitsubishi shall mainly replace the product that needs a repair It may take some time to respond to the problem or repair the product depending on the condition and timing lt Specifications gt General specifications of the products differ MELSEC Q MELSEC WS MELSEC QS Operating ambient 25 to 55 C 0 to 55 C temperature Operating ambient humidity 10 to 95 RH 5 to 95 RH Storage ambient 25 to 70 C 40 to 75 C temperature Storage ambient humidity Storage ambient humidity humidity 10 to 95 RH 5 to 95 RH EMC standards that are applicable to the products differ MELSEC Q MELSEC W P metsecows MELSEC QS EMC standards EN61000 6 2 EN55011 EN61131 2 SAFETY PRECAUTIONS Read these precautions before using this product Before using this product please read this manual the relevant manuals and the safety standards carefully and pay full attention to safety to handle the product correctly In this manual the safety precautions are classified into two levels DANGER and A CAUTION Indicates that incorrect handling may cause hazardous conditions resulting in lt DANGER SARSY 2 death or severe injury Indicates that incorrect handling may cause hazardous conditions resulting in NCAUTION oma 9 minor or moderate injury or property damage Un
61. of the function block Stop request The Stop request parameter determines the stop mode of the function block Press Automatic If this parameter is configured as with On Start input inactive the On Start input signal is used to control the Output Enable signal directly If configured to with Off Stop input active Output Enable changes to Inactive Low when the Off Stop input signal is Active High In both cases Output Enable changes to Active High when the following conditions are fulfilled Atransition from Inactive Low to Active High occurs at the On Start input and the Off Stop input is Inactive Low if it is connected and no other reason is present that would normally trigger a stop signal e g EN1 Static is Inactive Low Up input If the Up input parameter is configured as with the connection of an Active High signal to this input allows the press to stop both during the downstroke and in the top position If this parameter is set to without regular stops are only possible in the top position On Start The On Start input signal is used to provide signals for the beginning and end of the press movement If a rising edge i e a transition from Inactive Low to Active High is detected at the On Start input Output Enable becomes Active High provided that the Off Stop input is Inactive Low and no other reason is present that would normally trigger a stop signal e g
62. resetting Logic functions do not carry out monitoring for error conditions Logic programming Function blocks MELSEC WS Figure 31 Function block diagram for the function block Exclusive OR XOR Table 28 Truth table for XOR evaluation 6 5 4 Logic function block Exclusive OR XOR Function block diagram Input 1 Input 2 g General description The output is Active if the evaluated inputs are complementary e g with contrary state one input Active and one input Inactive Exactly two inputs are evaluated Truth table The truth table uses the following designations 0 means logic Low or Inactive 1 means logic High or Active x means any 0 or 1 Truth table for XOR evaluation Input 1 Input 2 Output 1 0 0 0 0 1 1 1 0 1 1 1 0 Error states and information on resetting Logic functions do not carry out monitoring for error conditions 64 MELSEC WS Logic programming Function blocks 6 5 5 Logic function block Exclusive NOR XNOR Function block diagram Figure 32 Function block diagram for the function block Exclusive NOR XNOR Input 1 Input 2 General description The output is Active if the evaluated inputs are equivalent e g being in the same state both inputs Active or both inputs Inactive Exactly two inputs are evaluated Truth table The truth table uses the following designations
63. safety controller should have a Reset function block The Reset signal is to be passed via an NO contact to a physical input The Monitored Input and Optional Input signals are combined internally If any Monitored Input signal changes to Inactive the Output Enable output also becomes Inactive and remains Inactive until a successful reset sequence occurs When all the Monitored Input signals e g Safety gate monitoring and Emergency stop return to Active the Static Release and Reset Required Indication outputs change to Active and 1 Hz pulsed By this means the function block indicates that it is waiting for a reset signal sequence A reset signal sequence is successful when all the Monitored Input signals remain Active and the Reset signal changes from Low e g logic 0 to High e g logic 1 and back to Low e g logic 0 after the Reset Required Indication output has become Active In this transition sequence the Active Reset signal has to fulfil the requirements of the set parameter for the minimum reset pulse duration either 100 ms or 350 ms The default is 100 ms Logic programming Function blocks MELSEC WS ATTENTION Figure 55 Sequence timing diagram for the function block Reset Ensure that the transitions of the signals for resetting fulfil the requirements In case of a short circuit to High to 24 V DC at a physical input the evaluated signal can have a pulse when the signal is reset due to
64. specified time Tepy then the EDM Error output changes to Active Fault Present changes to Active Output 1 changes to Inactive fail safe Output 2 changes to Inactive fail safe In as far as configured the Fault Present output can also be processed in its logic by connection to the function block The Fault Present changes to Active if the EDM Feedback signal does not adopt the opposite state of Output 1 and 2 within the specified time If you require a delay of Output 1 and 2 realise the output delay with another function block before the EDM function block and not after it If delays of Output 1 and 2 are located behind the function block EDM this can result in an EDM error message Input parameters of the function block Parameter Possible parameter values Default Discrepancy Time EDM Feedback signal Maximum delay time 300 ms Teom 100 ms to 1 000 ms in 10 ms steps If used the set delay time has to be greater than the execution time of the MELSEC WS safety controller Output of the function block The following additional error outputs are available Optional output connections of the function block Fault Present For further information on these parameters refer to Section 6 3 and Section 6 4 104 MELSEC WS Figure 74 Sequence timing diagram for the function block EDM Table 57 Error states and information on resetting the function block E
65. synchronisation time for a two hand switch evaluation may not exceed 500 ms the synchronisation time is fixed and cannot be changed If both inputs of a dual channel input pair are connected to the same input bit the function block evaluates this as an external dual channel evaluation by the distributed I O device In this case the function block behaves as follows The value of the second input is ignored Any discrepancy time configured for the input pair is ignored Output Enable only changes to Active if both dual channel evaluations are effected within the synchronisation time of 500 ms If the limit of 500 ms for the synchronisation time is exceeded Output Enable remains Inactive until both dual channel evaluations have returned to Inactive and subsequently both have changed to Active within the specifications for discrepancy time and synchronisation time A violation of the synchronisation time is not regarded as an error A violation of the discrepancy times is regarded as an error If the discrepancy time is exceeded or there is an input error Output Enable changes to Inactive fail safe and the Fault Present changes to Active Logic programming Function blocks MELSEC WS Table 47 Input parameters of the function block Two Hand Control If one of the two dual channel evaluations changes to Inactive Output Enable changes to Inactive and remains Inactive until both dual channel evaluations have changed to In
66. the latest version of Setting and Monitoring Tool please contact your local Mitsubishi representative New software versions may contain new functions and support new MELSEC WS modules Remove the old software version before installing a new one The working directory in which the project data are stored is not overwritten during the new installation and is retained 3 4 Removal The software can be removed as follows Inthe Windows Start menu start Uninstall Setting and Monitoring Tool in the Setting and Monitoring Tool programme folder 20 MELSEC WS The graphical user interface 4 The graphical user interface Note This chapter familiarises you with the basic elements of the graphical user interface as Figure 1 Start view with selection of the action 21 an introduction This chapter does not give any information on the configuration of MELSEC WS modules nor any instructions for logic programming This chapter is only intended to explain the fundamental functioning of the Setting and Monitoring Tool on the basis of a small section of the functions Experienced users of Setting and Monitoring Tool can skip this chapter 4 1 Start view After the Setting and Monitoring Tool has been started the start view is displayed The user can specify here with which of the following actions he wants to start Adapting the parameters of the serial interface Establishing the connection to a physically connected device
67. with the functions Add Delete Rename page Copy Cut Paste Delete elements Undo Redo last action Open dialog to edit logic result markers Show Hide grid Show grid of lines dots Show function block IO description Start simulation mode and Start forcing mode Selection window for Function Block Inputs and Outputs respectively 28 MELSEC WS 29 Exercise The graphical user interface FB Preview window on the bottom left for displaying the important system resources such as the number of used available function blocks or the current execution time cycle time of the logic When the cursor is moved over a function block in the worksheet additional information on this function block is displayed in the FB Preview window Worksheets Pages for creating the logic and In Out Summary Page that can be selected alternatively by using tabs 4 6 1 Exercise for using the Logic editor inthe Hardware configuration standard view combine a CPU module at least one WSO XTIO module and one element Start the Logic editor by clicking the tab of the same name In the selection window for Inputs Function Block and Outputs click Inputs and drag an input from the list onto the worksheet In the selection window for Inputs Function Block and Outputs click Function Block and drag an application specific or logic function block from the list onto the worksheet In the selection window for Inputs Function Block and Outputs click Outputs
68. 00 00 02 2 s 23 00 12 47 1987967 s Authorized client Offline Designer configuration is not verified Report and diagnostics MELSEC WS Figure 156 Toolbar in the diagnostics standard view Figure 157 Filtering the diagnostics messages Note How to perform diagnostics Click on the Diagnostics buton in the menu bar to open the Diagnostics standard view In the toolbar the following commands are available lt gt Refresh HA Clear a Settings Show history Filter Click on Refresh to read the current message list from the system Using the Clear button you can delete all messages stored in the system You must be logged in as Authorized client Under Settings you can configure an automatic refresh of the diagnostics and the time interval In the Diagnostic Settings dialog activate the Automatic Refresh checkbox and enter the desired refresh interval in seconds Using the Show history button you can display or hide older messages still stored in the MELSEC WS safety controller The Filter pull down menu enables you to display or hide different types of messages at will In the menu click on the different message types to activate or deactivate them Show Log Generator Text Show Information Show Warnings Show Recoverable Errors Show Critical Errors To save or print the diagnostic messages you can use the Report function see Section 9 1 216 MEL
69. 1 41 619 29 39 E Mail contact sick ch Singapore Phone 65 6744 3732 E Mail admin sicksgp com sg Suomi Phone 358 9 25 15 800 E Mail sick sick fi Sverige Phone 46 10 110 10 00 E Mail info sick se Taiwan Phone 886 2 2375 6288 E Mail sales sick com tw Turkiye Phone 90 216 587 74 00 E Mail info sick com tr United Arab Emirates Phone 971 4 8865 878 E Mail info sick ae USA Canada M xico Phone 1 952 941 6780 1800 325 7425 tollfree E Mail info sickusa com 222 WARRANTY 2 Limits of Warranties a MELCO does not warrant or guarantee the design specify manufacture construction or installation of the materials construction criteria functionality use 1 Limited Warranty and Product Support a Mitsubishi Electric Company MELCO warrants that for a period of eighteen 18 months after date of delivery from the point of manufacture or one year from date of Customer s purchase whichever is less Mitsubishi Safety Controller the Products will be free from defects in material and workmanship b At MELCO s option for those Products MELCO determines are not as warranted MELCO shall either repair or replace them or issue a credit or return the purchase price paid for them c For this warranty to apply 1 Customer shall give MELCO i notice of a warranty claim to MELCO and the authorized dealer or distributor from whom the Products were purchased ii the notice shall describe in reasonab
70. 6 Messages of the Log Log Generator Messages Message Assignment In Out Settings In Out Comment Generator function block Message Text ae Note The messages entered are valid globally for all Log Generator function blocks used in a project In a single project you can enter up to 64 different messages with a length of up to 1 000 characters each 68 MELSEC WS Logic programming Function blocks Then click the Message Assignment tab Assign the desired message to each used input and choose the input condition that must be fulfilled for the related message to be sent Edge Positive Negative or Positive amp Negative Figure 37 Message Assignment for the Log Generator function block 69 Loe Generator 2 Emergency stop2 v 1 Emergency stopp l E E 1 Emergency stop 1 Emergency stopp 1 Emergency stop Error states and information on resetting The function block Log Generator does not carry out monitoring for error conditions Logic programming Function blocks MELSEC WS 6 5 7 Logic function block Routing 1 N Function block diagram Figure 38 Input a Output 1 Function block diagram for Output 2 the function block Routing Output 3 1 N Output 4 Output 5 Output 6 Output 7 Output 8 General description The function block Routing 1 N passes an input signal from a preceding function block to up to eight output signals The inp
71. 6 C4000 gt Note If only AND logic is needed leave the Zone 2 AND function block inputs unchecked If additional logic is required in the application the inputs can be combined using the Zone 1 and Zone 2 AND function blocks and subsequently connecting to the internal OR function block 75 Logic programming Function blocks MELSEC WS Finally select the output for Fast Shut Off Figure 46 F Fast Shut Off Output selection for Fast Parameter In Out Settings In Out Comment Shut Off ik Connect input slonents 2 Choose zone b7 o fo the function bioc o checking the boxes J xtio 1 1112 c4000 gt _ _ J ot1011 1814 c4000 __ J xti0 1 1516 c4000 gt _ _ D4 XTIONIO1Valve XTION 304 PNP Output At this point the selected inputs and outputs are linked to each other such that the output cannot be moved to another position and the inputs must stay on the WS0 XTIO module in the hardware configuration The elements which are linked are shown in the hardware configuration in peach Figure 47 Hardware configuration view of inputs and out puts linked to Fast O O Shut Off x 1 A2 2 13 4 A1 A2 X1 X2 Al A2 MITSUBISHI o g u MS XTIO 6 6 7 8 a Q2 Q3 a4 I5 6 I7 18 G28 E Q1 Q2 Q3 Q4 These links are broken when t
72. 71 Wiring combinations for muting and prerequisites Signal description A1 A2 B1 B2 C1 Conveyer ESPE OSSD Reset A1 gt JA2 PJIP lh icy gt gt P P Conveyer O gt P P P ESPE OSSD gt gt gt gt gt P Reset gt gt gt gt gt S gt Reset Override ojojoj 0 Reset Required Indication O1 F P e O Muting Lamp Control ojojeojojojojolo gt gt gt gt muting Status SLO S gt gt gt lOverride gt l Override Reset Override OJPI P OJOJO O gt P P P Override Required gt gt gt gt gt gt gt gt gt gt gt gt gt gt Output Enable Reset Required Indication Muting Lamp Control O l l Muting Status Override Required Output Enable gt IPJIPJIOJOISIS gt JI gt S gt gt gt v gt gt IPJIPJOJOJISIS S gt gt S gt S W PIPIPRIOIOJIPIPJIPIPSPIPSPI P S PIPI IPRJIOJOIPIPJPISJIS IS PIOJOJIOJIPISIS JI gt S gt S gt S PIOIOIOQIOQJIPSIPJPJO PIOIOIQOQIOIPIOJS gt IaJaoajlojJo gt IPIOJIJO rIPIOJISIJO IOIO JO l l AJAJA A The specified signals may not be installed in a common wire unless protected wiring is used B The specified signals may not be installed in a common wire unless protected wiring or sequence monitoring is used C The specified signals may be installed in a common wire
73. C conveyor belt stopped e g Inactive Low 24V DC conveyor belt running e g Active High The following timer functions are influenced by the input value of the conveyer belt monitoring Monitoring of the Muting ifa belt stop is detected the timer function pauses Total Time f the conveyor belt starts up again the timer Concurrency monitoring continues its function with the value stored before time the pause plus 3 additional seconds Note Sensor signal gap monitoring is not influenced by a belt stop 130 MELSEC WS Table 69 Output values for Muting Status Table 70 Output values for the Muting Lamp Control 131 Logic programming Function blocks Min Override Pulse Time The Min Override Pulse Time determines how long the Override input has to be Active High at least in order for the Override signal to be effective It can be set to 100 ms or 350 ms If the Override input is Active High for a shorter time than the set Min Override Pulse Time or for longer than 3 s the Override input is ignored Output value Muting Status The Muting Status output indicates the state of the muting function in accordance with the following table Condition Muting Status Muting cycle inactive no error Muting cycle active no error Muting error detected oj o Override active no error Output value Muting Lamp Control The Muting Lamp Control output
74. DM 105 Logic programming Function blocks Sequence timing diagram EDM Feedback m aa M a gt Monitored wi Let LN LA EDM Error tt Et _ optie e he eN otpt2 A LN LN LN Fault Present s S a Stop gt Run t gt T EDM Error states and information on resetting Diagnostics Fault 2 Resetting the error state Remarks outputs Present EDM Error Active The EDM Error changes to Output 1 and Output 2 Inactive when the Monitored change to Inactive and the Input changes from Inactive Fault Present changes to to Active and there are no Active when the EDM other errors Error is Active The EDM Feedback signal has to be Active during the OFF ON sequence to delete the Fault Present or EDM Error since Output1 and 2 are Inactive After the fault has been eliminated and Output 1 and 2 have returned to Active the EDM Feedback signal has to change to Inactive within the specified EDM delay time TEDM otherwise another error occurs in the EDM If the EDM Feedback signal has a fault the required state change from Inactive to Active can be triggered by two methods Change from the Stop to the Run state This resets the logic Or Briefly interrupt the EDM Feedback signal at the source Logic programming Function blocks MELSEC WS Figure 75 Function block diagram for the function block Multi Operator ATTENTION 6 6 11 Function block Multi Operator Function block diagram Oper
75. EC WS safety controller In addition the manual contains the description of the diagnostics functions that are important for operation and detailed information for the identification and elimination of errors Use the manual in particular for the configuration commissioning and operation of MELSEC WS safety controllers The Safety Controller User s Manual describes all the MELSEC WS modules and their functions in detail Use this manual in particular to configure MELSEC WS safety controllers The manual instructs the technical staff of the machine manufacturer and or of the machine operator on the safe mounting electrical installation commissioning as well as maintenance of the MELSEC WS safety controller The manual does not provide instructions for operating the machine in which the safety controller is or will be integrated Information of this kind will be found in the manuals for the machine The Safety Controller Ethernet Interface Module User s Manual describes an Ethernet interface module and its functions in detail The User s Manuals Hardware are enclosed with each MELSEC WS module They inform on the basic technical specifications of the modules and contain simple mounting instructions Use the User s Manuals Hardware when mounting the MELSEC WS safety controller About this document MELSEC WS The following shows the relevant manuals Title Number WS CPU U E Safety Control
76. ES AND REMEDIES THAT APPLY TO THE PRODUCTS j MELCO DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FORA PARTICULAR PURPOSE 3 Limits on Damages a MELCO S MAXIMUM CUMULATIVE LIABILITY BASED ON ANY CLAIMS FOR BREACH OF WARRANTY OR CONTRACT NEGLIGENCE STRICT TORT LIABILITY OR OTHER THEORIES OF RECOVERY REGARDING THE SALE REPAIR REPLACEMENT DELIVERY PERFORMANCE CONDITION SUITABILITY COMPLIANCE OR OTHER ASPECTS OF THE PRODUCTS OR THEIR SALE INSTALLATION OR USE SHALL BE LIMITED TO THE PRICE PAID FOR PRODUCTS NOT AS WARRANTED Although MELCO has obtained the certification for Product s compliance to the international safety standards IEC61508 and EN954 1 ISO13849 1 from TUV Rheinland this fact does not guarantee that Product will be free from any malfunction or failure The user of this Product shall comply with any and all applicable safety standard regulation or law and take appropriate safety measures for the system in which the Product is installed or used and shall take the second or third safety measures other than the Product MELCO is not liable for damages that could have been prevented by compliance with any applicable safety standard regulation or law MELCO prohibits the use of Products with or in any application involving power plants trains railway systems airplanes airline operations other transportation systems amusement equipments hospitals medical care dialysis and life
77. ESPE OSSD Override Input without ar E e Conveyer Input a La without B1 a a ae Output Enable oe e Muting Error Muting Status PP O 140 MELSEC WS Figure 91 Function block diagram for the function block Cross Muting forwards or backwards direction Figure 92 Example of 2 sensor muting with crossed layout sensors and the optional signal C1 Table 76 Conditions for muting with two sensors and optional signal C1 crossed layout of the sensors 141 Logic programming Function blocks 6 7 10 or backwards Function block diagram Function block Cross Muting Direction of movement only forwards ESPE OSSD Al Override Conveyer C1 A Output Enable Muting Lamp Control Muting Status Override Required Muting Error Representation of the application Figure 92 shows an example of the sensor layout for the function block Cross Muting The optional signal C1 is used as an additional protection for the muting system against manipulation Hazardous area Transported material Ls ESPE e g safety light curtain The protective effect of the protective device is muted when the muting sensors are operated in a defined sequence The muting sensor signal C1 always has to be activated before both muting sensors of the first sensor pair e g A1 and A2 become Active Input conditions for muting sensors Conditi
78. Function block Cross Muting Direction of movement only forwards or backwards enosiksen 141 Function block Cross Muting Material transport in both directions 144 Function blocks for press applications ccccceeeeeeeeeeeeeeeeeeeeeeenees 147 Function block Eccentric Press Contact 0 cccccceeeeeeeeeeneeeeeeeneeeeeeaes 147 Function block Universal Press Contact 0 cccceecseeeeeeseeeeeenneeeeeeaes 155 Function block Press Setup cccccceceseeeceeceeeeeeeeecenaeeeeeeeeesesseceenees 163 Function block Press Single Stroke ecceeeeeeeeeeeesneeeeeeeeeeeeeeseeeeeeaas 167 Function block Press AUtOMmatiC ccceeceecceeeeeeeeeeeeeneeeeeeneeeeeeneeeeeeaas 173 Function block N Break Press with N PSDI mode 176 User defined function DIOCKS 0 0 eceeeeeeeeeeeeeeeeneeeeeeaeeeseeaeeeeeenaeeeeneaas 186 Grouped Function BIOCK ceceeeeccececeeeeeeeeaeeeeeeeeeseccaeaeeeeeeesesensaees 186 Customized Function BIOCK c ceecceceeeeeeeeeeeeeneeeeeteneeeeeteeeeersneeeeeens 192 Simulation of the configuration ee eeeeeeeteeeeeeeteeeeettaeeeeettaeeeeeenaeeeeneaas 197 Force MOG sirri a cate sate E Mbengcaea ATE 200 7 1 7 2 7 3 7 4 8 1 1 8 1 2 9 1 9 2 10 10 1 10 2 10 3 11 12 12 1 12 2 12 3 Transferring the system configuration eesesseesseeiseeerrsseerrssrerrsserenssene 205 Transferring project data to the safety controller 0 eceeeeeeee
79. Internal item number if you want to This Internal item number is stored for this device Select some devices from the list and drag them into the Parking Area The Parking Area serves only to increase clarity You can compile all the required devices here so that you do not forget any of them during the configuration Alternatively you can drag the devices directly from the Elements selection window into the Configuration Area Then drag a device from the Parking Area into the Configuration Area ifthe Configuration Area does not contain a module with suitable free inputs outputs the device cannot be placed there In this case place at least one hardware module with inputs outputs e g WSO XTIO or WSO XTDI in the Configuration Area When the device is moved over suitable free inputs outputs they light up green The software automatically considers the required number of inputs outputs Drop the device on a suitable position The device icon is now displayed in the view at this point Drag the device to other suitable inputs outputs or back into the Parking Area Delete the device by right clicking the device icon and clicking Remove in the context menu Alternatively use the mouse to drag the device to the recycle bin icon at the bottom left of the Configuration Area Adevice can be parameterized when it is located in the Parking Area or in the Configuration Area Right click a device in the Parking Area or Configuratio
80. JL Ks ee w LI WILLS LS Le Output Enable J LJ LL Error conditions The function block Press Automatic does not carry out monitoring for error conditions 6 8 6 Function block N Break Press with N PSDI mode Function block diagram EN1 Static EN2 Start PSDI Output Enable Restart Required Break Required Top PSDI Timeout Up Protective Field Interrupted Restart General description The N Break function block is used for press applications with PSDI mode 176 MELSEC WS 177 ATTENTION Logic programming Function blocks Conform to the safety regulations for PSDI mode The requirements for PSDI mode are specified in local regional national and international standards Always implement PSDI applications in conformity with these standards and regulations as well as in conformity with your risk analysis and avoidance strategy If more than one mode is set up in which the ESPE e g safety light curtain is not used the ESPE has to be deactivated in this mode so that it is clear that the ESPE is currently not active in protective operation If more than one ESPE e g safety light curtain is used in an application that uses the N PSDI functions only one of the ESPEs may be used to fulfil the requirements for N PSDI mode In conformity with EN 692 and EN 693 for press applications the number of breaks is limited to 1 or 2 Other applications depend on the applicable standards P
81. MITSUBISHI MEL SEC TUS erie Safety Controller Setting and Monitoring Tool Operating Manual Al AQ XLX2 Al Adj XMOXQUKS NAj SUIS 43 MITSUBISHI i 2 3 m n 2 B 4 yaa yi y24 y3 MS 5 16 17 18 B1 Y2 B2 Y4 X5 X6 X7 X8 F 24 34 44 Powered by MELSEC WS series products are jointly developed and manufactured by Mitsubishi and SICK AG Industrial Safety Systems in Germany WSO CPU Note that the warranty on MELSEC WS series products differs from S a4 that on MELSEC Q or MELSEC QS series products Refer to Warranty written in this manual SWIDNN WSOADR B This document is protected by the law of copyright whereby all rights established therein remain with the company Mitsubishi Electric Corporation Reproduction of this document or parts of this document is only permissible within the limits of the legal determination of Copyright Law Alteration or abridgement of the document is not permitted without the explicit written approval of the company Mitsubishi Electric Corporation Precautions regarding warranty and specifications MELSEC WS series products are jointly developed and manufactured by Mitsubishi and SICK AG Industrial Safety Systems in Germany Note that there are some precautions regarding warranty and specifications of MELSEC WS series products lt Warranty gt The gratis warranty term of the product shall be for one 1 year after the date of delivery or for eighteen 18 months after
82. Not Possible changes to Active High A restart of the press is prevented until the Top input has changed back to Active High and no restart in another operating mode has occurred 182 MELSEC WS 183 Logic programming Function blocks EN1 Static The input signal EN1 Static is mandatory Output Enable always changes immediately to Inactive Low if EN1 Static is Inactive Low If this function block is used together with a press contact function block e g Eccentric Press Contact or Universal Press Contact its Output Enable signal must be connected with the EN1 Static input of this function block EN2 Start The input signal EN2 Start is optional If EN2 Start is configured the Output Enable signal can only change to Active High e g during switching on when EN2 Start is Active High When Output Enable is Active High EN2 Start is no longer monitored Restart If the Restart Interlock parameter has been set to without a Restart signal is not required in order to restart the press after Output Enable has changed to Inactive Low If the Restart Interlock has been set to always and Output Enable changes to Inactive Low Output Enable can only be reset after a valid restart sequence has been carried out i e the Restart input changes from Inactive Low to Active high gt 100 ms or 350 ms lt 30 s and back to Inactive Low The only exception to these rules is formed by
83. SEC WS Technical commissioning 10 Technical commissioning 217 ATTENTION The configuration of the MELSEC WS safety controller has to be completed before you begin with the technical commissioning 10 1 Wiring and voltage supply When connecting the MELSEC WS safety controller observe the technical data in the Safety Controller User s Manual Connect the individual field devices to the corresponding signal connections and check for each safety input test signal output and safety output whether these behave as required for the application Diagnostics information from the MELSEC WS module s LEDs support you in validating the individual field signals Check whether the external circuit the realisation of the wiring the choice of the pick ups and their location at the machine fulfil the required safety level Eliminate any faults e g incorrect wiring or crossed signals at each safety input test signal output or safety output before you continue with the next step Switch on the voltage supply As soon as the supply voltage is applied to the connections A1 and A2 of the WS0 CPU0 WS0 CPU1 module or the WS0 XTIO modules the MELSEC WS safety controller automatically carries out the following steps internal self test loading of the saved configuration testing of the loaded configuration for validity The system does not start up if the steps described above could not be carried out successfully If there is
84. able 78 Input parameters of the function block Eccentric Press Contact ATTENTION MELSEC WS Input parameters of the function block Parameter Possible parameter Default values Dynamic Cam with with without Min restart pulse time 100 ms 100 ms 350 ms Restart Input with with without Disable Monitoring Input without without with Ensure that the transitions of the signals for restarting fulfil the requirements of the safety standards and regulations In case of a short circuit to High to 24 V DC at a physical input the evaluated signal can have a pulse when the signal is reset due to the short circuit detection If such a pulse can result in a hazardous state in the machine the following points have to be observed Ensure protected cable laying for the signal line due to cross circuiting to other signal lines No short circuit detection i e do not reference to test outputs Input signals of the function block The function block Eccentric Press Contact supports the following input signals Control Restart Overrun Cam Run up Cam Dynamic Cam Disable Monitoring Depending on your risk analysis and avoidance strategy the inputs for each of these signals can be evaluated as single channel or dual channel 148 MELSEC WS ATTENTION Figure 98 Press cycle diagram for the function block Eccentric Press Contact 149 Logic programming Function bl
85. able above If the state of an input of the input pair changes the state of the other input also has to take a valid value before the discrepancy time expires A dual channel evaluation can only change from Inactive to Active if the discrepancy time has not expired A dual channel evaluation CANNOT change from Active to a discrepant state and then return to Active irrespective of the discrepancy time The dual channel evaluation has to change from Active to Inactive before it can return to Active whereby the requirements for the discrepancy time have to be fulfilled Valid values for the discrepancy time 0 no monitoring of the discrepancy time 10 ms to 30 000 ms in 10 ms steps If used the set discrepancy time has to be greater than the logic execution time of the MELSEC WS safety controller If a discrepancy error occurs the error is displayed by the following steps Output Enable changes to Inactive fail safe and Fault Present changes to Active and Discrepancy Error Pair 1 is set to error for input evaluation 1 2 or Discrepancy Error Pair 2 is set to error for input evaluation 3 4 If signals of tested sensors are connected to WS0 XTDI and WSO XTIO modules the discrepancy time has to amount to at least the set test pulse time plus 12 ms since a signal change at the input of the modules can be delayed by this time 54 MELSEC WS Figure 25 Synchronisation time 55 Logic programming Functio
86. active Output Enable does not change to Active until both dual channel evaluations have changed from Inactive to Active within the specifications for the discrepancy time and synchronisation time The function block Two Hand Control requires a transition from Inactive to Active in order for Output Enable to change to Active If one or both dual channel evaluations are Active during a transition from Stop Run Output Enable does not change to Active until both dual channel evaluations have taken on the state Inactive and have then changed to Active in accordance with the requirements of the function block Two Hand Control Input parameters of the function block Function block Parameter pana Default parameter values Two Hand Control Inputs dual channel dual channel type IIIA equivalent equivalent Discrepancy Time Fixed specification 500 ms with 500 ms Two Hand Control Discrepancy Time Inactive O ms 10 100 ms type IIIC Pair 1 ms to 500 ms in 10 ms steps If used the set discrepancy time has to be greater than the scan time of the MELSEC WS safety controller Discrepancy Time Inactive O ms 10 100 ms Pair 2 ms to 500 ms in 10 ms steps If used the set discrepancy time has to be greater than the scan time of the MELSEC WS safety controller For further information on these parameters refer to Section 6 3 and Section 6 4 96 MELSEC WS Table 48 Output of the func
87. al as an uninterrupted Active High as long as only one sensor per pair A1 A2 or B1 B2 has a signal gap If a signal gap has been detected at a sensor the simultaneous occurrence of a further signal gap at another sensor results in the termination of muting The value for Sensor signal gap monitoring can be configured within the range of 0 ms to 1000 ms This parameter is deactivated when the value is set to 0 If used the set time for Sensor signal gap monitoring has to be greater than the execution time of the MELSEC WS safety controller Sequence Monitoring Sequence Monitoring is used to define a special mandatory sequence in which the muting sensors have to be Active Table 65 shows the valid sequence for muting sensor input signals This parameter is only available for configurations with four muting sensors for example for Parallel Muting or Sequential Muting Requirement for the muting sensor signal inputs Direction Detection ee for Sequence Monitoring disabled A1 before A2 before B1 before B2 or B2 before B1 before A2 before A1 forward A1 before A2 before B1 before B2 backward B2 before B1 before A2 before A1 This parameter depends on the function block Deviation from the sequence shown above result in a muting error indicated by the status bit for muting errors In order to avoid machine standstills the configured time for the Sensor signal gap monitoring should furthermore be shorter than the ti
88. ame How to delete a Customized Function Block permanently from your PC Delete all instances of the Customized Function Block from your project or transform each of them to a Grouped Function Block by clicking Edit in the toolbar Inthe function block list right click on the Customized Function Block you want to delete The context menu opens Choose Delete Custom Function Block You cannot undo this action Other projects containing Customized Function Blocks that have been deleted can still be used When opening an older project that contains Customized Function Blocks that have been deleted from your PC it will be treated like a project that has been transferred from another PC You will be prompted whether you want to import the Customized Function Blocks contained in the project permanently as Customized Function Blocks or as Grouped Function Blocks for use in the current project only 196 MELSEC WS Figure 142 Simulation toolbar Note 197 Logic programming Function blocks 6 10 Simulation of the configuration Within the logic editor it is possible to simulate the programmed logic offline Click on the Start simulation mode icon in the toolbar to activate the simulation mode The background of the logic editor will change to green and the simulation toolbar will appear 5 1 6 7 2 3 g 4ms 20ms 40ms 200ms 400ms i 00 me 000 d sams 20ms 40ms 200ms 00m gt O
89. and drag an output from the list onto the worksheet Connect the node of the input with an input field of the function block node and an output node of the function block with the node of the output To do so click one node with the left mouse button hold the left mouse button pressed and drag the cursor to the node with which the first node is to be connected Mark the input function block output and the connections by clicking them or by dragging with the left mouse button pressed and then position as desired In the selection window for Inputs Function Block and Outputs click FB Preview A preview of the respective element or the details of a function block are displayed in the FB Preview window when you move the cursor over it In order to delete an element right click it and select the Delete command from the context menu The graphical user interface MELSEC WS Exercise Note Note 4 7 Report standard view Complete information on the respective project is summarised clearly in the Report standard view This also includes detailed wiring information at the end of the report The information to be summarised in a report can be selected individually from an expandable selection list on the left hand side The selection is made by clicking the check boxes The toolbar in the Report standard view can be used to create a complete or partial documentation of a project store this documentation in the pdf format on a
90. art signal changes from Low e g logic 0 to High e g logic 1 and back to Low e g logic O after the Restart Required Indication output has become Active In this transition sequence the Active Restart signal has to fulfil the requirements of the set parameter for the Min Restart Pulse Time either 100 ms or 350 ms The default is 100 ms and requires the usage of a test output that is referenced to the Restart input Logic programming Function blocks MELSEC WS ATTENTION Figure 57 Sequence timing diagram for the function block Restart Ensure that the transitions of the signals for restarting fulfil the requirements In case of a short circuit to High to 24 V DC at a physical input the evaluated signal can have a pulse when the signal is reset due to the short circuit detection If such a pulse can result in a hazardous state in the machine the following points are to be observed Ensure protected cable laying for the signal line due to cross circuiting to other signal lines No short circuit detection i e do not reference to test outputs When a restart sequence is successful Output Enable changes to Active and the Restart Required Indication output changes to Inactive The further specific behaviour of the restart sequence is described below Each defined step has to occur in the specified sequence the MELSEC WS safety controller does not continue with the next step until the condition spec
91. ator 1 g g Output Enable Operator 2 Trigger Condition g General description The function block Multi Operator is used to monitor simultaneous operation of up to three two hand controls For example several two hand controls or foot switches can be necessary in a press application with more than one operator in order to trigger the downward movement of the press together The reactivation condition forces the reactivation of the Operator inputs after a rising or falling edge has been detected at the Trigger Condition input The Static Release inputs e g safety light curtains can be connected optionally in order to ensure that the assigned devices are Active High before Output Enable can become Active High Resetting and restarting are handled independently of this function block The Operator and Static Release inputs have to be pre evaluated signals A safety relevant evaluation of the inputs of a two hand control has to be effected either by a different function block e g Two Hand Control or Light Curtain or as a part of the configuration of the safety inputs e g configuration of the inputs with dual channel evaluation 106 MELSEC WS Table 58 Input parameters for the function block Multi Operator 107 Logic programming Function blocks The following sequence has to be effected so that Output Enable changes to Active High 1 All the Static Release inputs have to be Active High 2
92. atus Bottom dead center BDC left first time Bottom dead center BDC reached first time Bottom dead center BDC left second time Bottom dead center BDC reached second time Active Discrepancy error Edge detected Error Wait for function test Inactive Monitoring disabled Muting active No edge detected Off delay On delay OK Upper counter limit reached Overrun Cam left Overrun Cam reached Override Required Wait for reset restart pulse Output Enable is active Wait for all monitored inputs becoming active Drive is enabled Run up Cam reached Drive stopped Top dead center TDC left Top dead center TDC reached User mode is changing User mode is valid Lower counter limit reached Valve 1 is active Valve 2 is active Wait for feedback Drive is coasting 220 MELSEC WS Annex 12 2 Precautions 1 Edit a CSV file exported from Setting and Monitoring tool in a text editor 2 To edit a logic result in the Edit logic results dialog select a logic result you want to edit and press the F2 key Figure 158 Edit logic results dialog Zdi Uss fazuli amp Logic Result Set 0 o Result 0 0 OR Result 0 1 OY Result 0 2 OH Result 0 3 OR Result 0 4 OW Result 0 5 OW Result 0 6 OR Result 0 7 221 12 3 SICK co
93. between the MELSEC WS safety controller and a PC or notebook 5 1 1 Connecting the PC to the MELSEC WS safety controller via RS 232 Connect a PC or notebook to the RS 232 interface of the CPU module Power on the MELSEC WS safety controller Open the Setting and Monitoring Tool installed on the PC Click on Com Settings to ensure the correct communication interface has been selected The following dialog appears Connection settings E Add COM Profile Eh Add TCP IP Profile Check all profiles 14 Network settings To edit the settings click on the pencil icon to the right The following dialog appears Modify Profile Entry name Standard Serial port a Auto scan Modify the settings if required Click OK The Connection settings dialog closes MELSEC WS Connecting to the MELSEC WS safety controller Click on Connect The Setting and Monitoring Tool will search for connected MELSEC WS modules and load the hardware configuration into the Hardware configuration dialog Once all modules have been identified the Setting and Monitoring Tool will ask whether the configuration shall be uploaded Click Yes to upload the configuration As an example the following hardware configuration may appear Figure 8 Hardware configuration dialog example Safety Controller Setting and Monitoring Tool 1 2 0 Sample How can I print a repor
94. ble override cycles is limited in order to prevent excessive use of the override function The number of permissible override cycles depends on the value for the Muting Total Time and is generally determined by the following equation Number of override cycles 60 minutes set time for Muting Total Time The following exceptions apply for the number of permissible override cycles If the value for the Muting Total Time is less than or equal to 10 s the number of permissible override cycles amounts to 360 If the value for the Muting Total Time is greater than or equal to 15 minutes the number of permissible override cycles amounts to 5 Table 67 summarises the number of permissible override cycles Number of override Muting Total Time Remarks cycles 5s 360 The maximum number of cycles for the Muting Total Time 10 s 360 lt 10 s amounts to 360 20s 180 30s 120 The maximum number of permissible cycles varies as 1 min 60 specified 5 min 12 15 min 5 The maximum number of 30 min 5 cycles for the Muting Total 60 min 5 Time Inactive unlimited 5 gt 15 min amounts to 5 Logic programming Function blocks MELSEC WS Table 68 Effects of the conveyer belt monitoring on the timer functions The number of override cycles is stored in the control system This number is controlled by the Override Required output The value is reset to 0 after a valid muting cycle has taken place
95. ce set off outputs cannot be moved in configuration view How to configure the Fast Shut Off function block The following example shows the function with three light curtains attached to a Fast Shut Off function block XTION I Start a XTIO 1 Q3Q4 PNP Out bp J xTio n12 c4000 J xTI0 1 1314 c4000 J xtiop1 1516 c4000 74 MELSEC WS Logic programming Function blocks To configure the Fast Shut Off function block perform the following steps Connect input elements to the function block Double click the function block to open the configuration dialog and click the In Out Settings tab Figure 1 HE Fast Shut Off In Out settings dialog for Parameter In Out Settings In Out Comment the Fast Shut Off function Input Output Settings block Number of Inputs 3 v Number of Outputs Optional Output jo OK z Choose the number of inputs which you would like to attach to the function block Then click the Parameter tab and choose the zone by checking the boxes Figure 45 S Fast Shut Off Parameter settings dialog Parameter In Out Settings In Out Comment for the Fast Shut Off Ale Eonnect input omone 4 Chocse zone by 3 Select output function block o to the function block checking the boxes o for fast shut off J xmion n2 c4000 gt 7 xtiop1 1314 c4000 t EJ XTIO 1 151
96. conditions 72 MELSEC WS Figure 41 Function block diagram for the Fast Shut Off function block Figure 42 Fast Shut Off example Note 73 Logic programming Function blocks 6 5 10 Function block Fast Shut Off Function block diagram General description The Fast Shut Off function block is used to minimize the response time of a safety switching path within the logic In order for this block to be used both the inputs and the output for the switching path must be connected to the same I O module i e WSO XTIO Furthermore it acts as an interrupt in the logic editor since the CPU module is bypassed when the switch off command is given The consequence of this is that logic between the Fast Shut Off input and Fast Shut Off output cannot hinder a switch off when the Fast Shut Off is activated Example In the following logic example the C4000 will switch off the Q2 motor s XTIO 1 112 E Stop ES a XTIO 1 Q2 Motor Conta LU Yy XTIO 1 I5I6 Enabling s Simple logic such as this can be accomplished within the Fast Shut Off function block itself see how to configure below The signal path from the output of the Fast Shut Off funciton block to the physical output that is selected in the Fast Shut Off function block must be configured in such a way that switching off of the output of the Fast Shut Off function block results in any case in a direct switching off of the phys
97. configured in the hardware configuration of the Setting and Monitoring Tool this function block is no longer required in the logic since the pre evaluation is then carried out directly on the WS0 XTDI or WSO XTIO module But if the error output is required for further processing the function block can be used to this purpose To this purpose the two input signals are to be configured as single channel signals and applied to the inputs of the function block If both inputs of a dual channel input are connected to the same input bit the function block evaluates this as an external dual channel evaluation In this case the function block behaves as follows The value of the Input 2 is ignored Any discrepancy time configured for the input pair is ignored In the case of emergency off pushbuttons a Reset and or Restart function block has to take over the processing of the reset restart conditions for the safety chain when Output Enable is set to Inactive This can also be necessary for emergency off pushbuttons with a combined push pull to unlatch mechanism In as far as configured the Fault Present output can also be monitored by connection to the function block Logic programming Function blocks MELSEC WS Table 39 Input parameters of the function block E Stop Table 40 Output of the function block E Stop Figure 59 Sequence timing diagram for the function block E Stop Input parameters of the function block
98. d by means of a two hand control or by means of a N Break function block in connection with a safety light curtain Single stroke securing is always Active and cannot be configured This means When the signal of the Top input changes to Active High Output Enable is always set to Inactive Low The requirements for a restart depend of the configuration of the parameters for Restart Interlock Logic programming Function blocks Table 86 Input parameters of the function block Press Single Stroke MELSEC WS Input parameters of the function block Parameter Possible parameter values Default Restart Interlock without always when On Start EN1 or EN3 is inactive when Top is active or EN1 or EN3 inactive always when EN1 or EN3 is inactive EN2 input with with without EN3 input with with without On Start Mode stepping stepping start Only Up stroke muting of On Start with without without Max Up Stroke Muting time Can be configured in the range of 0 to 7200 30s s 120 min When the Max Up Stroke Muting time is set to 0 upstroke muting is not possible and nothing can be connected to the Up input Min restart pulse time 100 ms 100 ms 350 ms Disable Restart Interlock for Yes No EN3 on Top No 168 MELSEC WS 169 ATTENTION Logic programming Function blocks Ensure that the transitions of the signals for restarting fulfil the requirement
99. d function blocks will be reduced to a single Grouped Function Block on the worksheet for the main program Figure 131 z New Grouped Function In Out Summary Page Page1 Machinel Block on the worksheet DR bL 2 Nvtachine1 The content of the new Grouped Function Block is stored on a new page In the example the name of the new Grouped Function Block is Machine 1 The worksheet for the Grouped Function Block is displayed orange 188 MELSEC WS Figure 132 New logic editor page for the new Grouped Function Block Logic programming Function blocks How can simulate the configuration How can I use the message generator report grouped amp customised function blocks How can minimize my reaction time Note The name and the icon associated with a Grouped Function Block can be edited here Note 189 by clicking on the function block s icon in the FB Group Info view By clicking on the associated tab here Machine 1 you can edit the Grouped Function Block How to add inputs and outputs to a Grouped Function Block Click on the tab for the Grouped Function Block Switch to the FB Group Info view on the left side of the screen Drag and drop inputs or outputs onto the function block worksheet and attach them within the logic as needed Double click on an input or output to edit its tag name Do not use space in the tag name for inputs or outp
100. d terminals are visible The CPU modules are now greyed out and the other modules network modules safety I O modules are displayed in the Modules selection window Furthermore the three tabs Logic editor Report and Diagnostics are now displayed in the toolbar Create further safety I O modules in the Configuration Area Green arrows indicate where the new module will be positioned The CPU module is always located at the extreme left The two optional network modules follow directly to the right of the CPU module Only then do the safety I O modules follow The safety relay output modules have to be mounted at the extreme right Right click the individual modules and click Edit in the context menu Enter a new tag name module name for the respective module and close the window by clicking OK Change the positions of the modules subsequently by using the mouse to drag them to a different position Delete the modules by right clicking the module and clicking Remove module in the context menu Alternatively use the mouse to drag the module to the recycle bin icon at the bottom left of the Configuration Area 26 MELSEC WS 27 Exercise Note The graphical user interface 4 5 2 Exercise for configuring the connected devices The selection structure in the Elements selection window can be expanded by means of a mouse click Optional Right click a device and select Edit current element in the context menu Assign a user defined
101. d that reminds you of the imminent leaving of the force mode 15 seconds before the timer will expire Logic programming Function blocks MELSEC WS Figure 148 Dialog before Progress automatically leaving the force mode gt Do you want to retrigger force mode Messages fi Leave force mode in 14 seconds Leave force mode in 13 seconds Leave force mode in 12 seconds Leave force mode in 11 seconds Cancel If you ignore this dialog the force mode will be left after the defined time delay has expired Or Click on Cancel The dialog will close and the force mode will be left after the defined time delay has expired Or Click OK in order to close the dialog reset the timer and keep the force mode active 204 MELSEC WS Transferring the system configuration 7 Transferring the system configuration Initially the configuration of the MELSEC WS safety controller only exists as a project meaning as a MELSEC WS configuration file The configuration has to be transferred via the memory plug to the CPU module Note The memory plug and the CPU module communicate via an internal interface Direct connection of a PC to the memory plug is not possible Data can only be loaded to the memory plug or read from it via a compatible CPU module The configuration data are checked for compatibility during transfer to the CPU module and can subsequently be verified through reading and co
102. de input changes from Inactive Low to Active High gt min Override Pulse Time 100 ms or 350 ms but lt 3 s and back again to Inactive Low the Output Enable signal becomes Active High as if the muting conditions were fulfilled When all the muting sensors return to the Inactive Low state and the OSSD input of the ESPE is Active High e g indicating that the protective field of a safety light curtain is now free the next valid muting cycle is expected If the next object does not fulfil the conditions for a muting cycle but the conditions for the Override Required output a further override cycle can be used in order to remove the transported material The number of override cycles is limited A reset button can also be suitable for the override function Check the requirements of your application in order to ensure that the safety relevant logic fulfils the requirements of the local regional national and international regulations Logic programming Function blocks Table 66 Conditions for Override Required and Override possible Figure 84 Logic diagram for Override and Override Required Note MELSEC WS Table 66 provides information about the Override Required and when override is possible under the shown conditions and when not 2 At least one muting OSSDs of the Muting Override P sensor is Active ESPE are Override possible Status i Required Hig
103. depending on the configuration For directional valve 112 MELSEC WS Figure 78 Sequence timing diagram for single valve in manual reset mode Figure 79 Sequence timing diagram for double valve in manual reset mode Figure 80 Sequence timing diagram for directional valve 113 Logic programming Function blocks Sequence timing diagrams T_OFF T_ON P com ALS iL tyr ur Ly Feedback 1 errs Ge ee ee 9 ouput tao ILLS TLS 7 Le Le Feedback Error pee ME et S E TON T_OFF OP T_ON T_OFF T_ON r coma A LHi L Feedback 1 L n NON S eens He MEP LL A a otz A LN L Feedback Error ee oe eee ee ee eee T_ON T_OFF T_ON r wwie EE o Control 2 es ee eee oe ee a Feedback 1 FL st fa Feedback 2 7 Output 1a b J oe o Output 2a b i n rS aae O Feedback Error ea a E Logic programming Function blocks Table 60 Error states and information on resetting for the function block Valve Monitoring MELSEC WS Error states and information on resetting Diagnostics Fault Resetting the error state Remarks outputs Present Feedback Active If manual resetting is configured a Output 1a 1b 2a 2b Error valid reset sequence Inactive changes to Inactive and Directional Low to Active High gt 100 ms or the Fault Present output 350 ms lt 30 s to Inactive Low changes to Active if Valve Error has to be carried out in order to rese
104. der some circumstances failure to observe the precautions given under CAUTION may lead to serious consequences Observe the precautions of both levels because they are important for personal and system safety Make sure that the end users read this manual and then keep the manual in a safe place for future reference Design Precautions lt DANGER When the MELSEC WS safety controller detects a fault in the external power supply or itself it turns off the outputs Configure an external circuit so that the connected devices are powered off according to the output status off of the MELSEC WS safety controller Incorrect configuration may result in an accident When a load current exceeding the rated current or an overcurrent caused by a load short circuit flows for a long time it may cause smoke and fire To prevent this configure an external safety circuit such as a fuse For safety relays configure an external circuit using a device such as a fuse or breaker to protect a short circuit current When changing data and operating status and modifying program of the running MELSEC WS safety controller from the PC configure a safety circuit in the sequence program or external to the MELSEC WS safety controller to ensure that the entire system operates safely Before operating the MELSEC WS safety controller read the relevant manuals carefully and determine the operating procedure so that the safety can be ensured Furt
105. e All the outputs remain Inactive when the MELSEC WS safety controller changes from the Stop to the Run state and when several inputs are Active during the first function evaluation After two seconds the Fault Present then changes to Active Not all the inputs may be Inactive simultaneously If all the inputs are Inactive the input output pair that was Active last is kept Active for two seconds After two seconds the Fault Present changes to Active and all the outputs change to Inactive In as far as configured the Fault Present output can also be monitored by connection to the function block Truth table The truth table uses the following designations 0 means logic Low or Inactive 1 means logic High or Active x means any 0 or 1 Logic programming Function blocks Table 52 Truth table for the function block User Mode Switch Table 53 Output of the function block User Mode Switch Figure 72 Sequence timing diagram for the function block User Mode Switch Number of Inputs 2 Truth table for the function block User Mode Switch MELSEC WS Input Output 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Fault Present 1 0 0 0 0 0 0j 0 4 1 0 0 0 0j 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0j 0 0 0 0 0 1 0 0 0 0 0 0 j 0 4 1 0 0 0 01 0 0 0 0 0 1 0 0 0 0 0 0j0 1 1 0 0 0 0 0 0 0 0 0
106. e Product s manufacture 10 subjected to excessive heat or moisture abnormal voltages shock excessive vibration physical damage or other improper environment or 11 damaged or malfunctioning due to Acts of God fires acts of vandals criminals or terrorists communication or power failures or any other cause or failure that results from circumstances beyond MELCO s control All Product information and specifications contained on MELCO s website and in catalogs manuals or technical information materials provided by MELCO are subject to change without prior notice g The Product information and statements contained on MELCO s website and in catalogs manuals technical bulletins or other materials provided by MELCO are provided as a guide for Customer s use They do not constitute warranties and are not incorporated in the contract of sale for the Products h These terms and conditions constitute the entire agreement between Customer and MELCO with respect to warranties remedies and damages and supersede any other understandings whether written or oral between the parties Customer expressly acknowledges that any representations or statements made by MELCO or others concerning the Products outside these terms are not part of the basis of the bargain between the parties and are not factored into the pricing of the Products i THE WARRANTIES AND REMEDIES SET FORTH IN THESE TERMS ARE THE EXCLUSIVE AND ONLY WARRANTI
107. e of the device Always observe the valid applicable local regional and national regulations and standards applying to your application Ensure that your application conforms to an appropriate risk analysis and avoidance strategy Muting may never be used to transport a person into the hazardous area Mount the control devices for resetting and overriding outside the hazardous area so that they cannot be actuated by a person located in the hazardous area Furthermore when operating a control device the operator must have full visual command of the hazardous area The muting sensors have to be located in such a way that the hazardous area can only then be accessed after an intervention in the protective field if the state causing the hazard has been terminated beforehand One condition here is that the required safety distances defined in EN 999 are observed At least two muting signals that are independent of each other are required Muting may only be activated for the period in which the object that triggered the muting condition blocks access to the hazardous area Muting has to be carried out automatically but may not depend on a single electrical signal The material to be transported has to be detected along the entire length meaning that an interruption of the output signals may not occur see Sensor signal gap monitoring 118 MELSEC WS Figure 82 Safety when mounting the muting sensors Figure 83 Detecti
108. e of the internal counter by 1 If a transition from Inactive Low to Active High i e a rising edge at the input Up counter as well as at the input Down counter occurs applies only to the function block Event Counter UP and DOWN the value of the internal counter remains unchanged Logic programming Function blocks MELSEC WS Table 37 Input parameter values for the function blocks Event Counter Up Down and Up and Down Note Input parameters of the function block Parameter Possible parameter values Default Counter Reset Manual reset to 0 Depends on the Automatic reset to 0 function block Counter Reload Manual reload to value Automatic reload to value Overflow Limit Integer between 1 and 65 535 The value for the overflow limit has to be greater than or equal to the reload value Reload Value Integer between 1 and 65 535 Min restart pulse time 100 ms 100 ms 350 ms Min reload pulse time 100 ms 100 ms 350 ms Counter Reset The Counter Reset parameter determines what happens when the counter value reaches the overflow limit If this parameter is configured to Automatic reset to 0 and the internal counter equals the value of the overflow limit the Overflow output becomes Active High for the duration of a control cycle The value of the internal counter is reset to O subsequently If the Counter Reset parameter i
109. e set ON delay time has to be greater than the execution time of the MELSEC WS safety controller Output of the function block No error outputs are available Logic programming Function blocks Figure 70 Sequence timing diagram for the function block On Delay Timer Sequence timing diagram MELSEC WS nut LIIT cs ey Gl py He Setpoint Timer value l 0 Output Enable LE Fault Present Stop Start Error states and information on resetting The function block On Delay Timer does not carry out monitoring for error conditions 100 MELSEC WS Figure 71 Function block diagram for the function block User Mode Switch 101 Logic programming Function blocks 6 6 9 Application specific function block User Mode Switch Function block diagram Input 1 Output 1 Input 2 a Output 2 Input 3 Output 3 Input 4 Output 4 Input 5 Output 4 Input 6 Output 6 Input 7 Output 7 Input 8 Output 8 General description The function block User Mode Switch selects an output depending on an input value Output x is Active if Input x is Active The function block supports 2 to 8 inputs and the corresponding outputs Several inputs may not be Active simultaneously If more than one input is Active the input output pair that was Active first is kept Active for two seconds After two seconds the Fault Present changes to Active and all the outputs change to Inactiv
110. ection boxes and windows are highlighted in bold Example Click Edit in the File menu Keys are shown in uppercase Keys to be pressed sequentially are hyphenated with Example CTRL ALT DEL indicates to press these keys simultaneously F12 2 indicates to press these keys sequentially The key names are based on the standard keyboard Some users may use a keyboard with a different language layout such as German 16 MELSEC WS On safety 2 On safety This chapter deals with your own safety and the safety of the equipment operators Please read this chapter carefully before working with the MELSEC WS safety controller 2 1 Qualified safety personnel The MELSEC WS safety controller must be installed configured commissioned and serviced only by qualified safety personnel Qualified safety personnel are defined as persons who have undergone the appropriate technical training and have been instructed by the responsible machine operator in the operation of the machine and the current valid safety guidelines and have access to the MELSEC WS manuals and have read and familiarised themselves with them 17 On safety ATTENTION ATTENTION ATTENTION Note MELSEC WS 2 2 Correct use The Setting and Monitoring Tool is used to configure a MELSEC WS safety controller consisting of modules of the safety controller The MELSEC WS safety controller may only be used by qualified safety perso
111. ed Inactive Low All the muting sensors Muting is The sensor ESPE OSSDs e g object are Inactive Low blocked have to become Active detected High before muting can partially fulfilled take place The muting condition is Override is Either transition to normal partially fulfilled required if behaviour in case of a The muting condition is configured cyclically correct sequence of sensor states or the total override time is exceeded Logic programming Function blocks Table 73 Error states and information on resetting for Muting function blocks Figure 85 Function block diagram for the function block Parallel Muting MELSEC WS 6 7 7 Error states and information on resetting Diagnostics Fault a Resetting the error states Remarks outputs Present Muting Error Active A complete valid muting cycle Output Enable Error in the has to take place before any changes to Inactive concurrency muting error can be reset To and the Fault monitoring this purpose either Override has Present changes to function to be used or all the muting Active if a Error in the muting total time monitoring Error in the direction detection Sequence error detected Error in the sensor signal gap monitoring 6 7 8 sensors and the ESPE OSSDs have to be free and a subsequent valid muting sequence has to be passed through completely If one of these two condition
112. edit May only transfer verified configuration Authorized client May edit May transfer Switch to the user group Operator If you leave the PC connected to devices without personal attendance or supervision you must log off from the user levels Maintenance or Authorized client and switch to the user level Operator to make sure that no unauthorized person can transfer configurations to the devices How to change the user level inthe Hardware configuration view click on the Log in symbol on the left side of the Configuration Area while you are online The Change user group dialog will open Select the desired user level enter the password and click on Log On The default password for the user level Authorized client is MELSECWS There is no default password for the Maintenance user level In order to log in on this user level you have to assign a password for it first 38 MELSEC WS Figure 14 Change password dialog 39 Connecting to the MELSEC WS safety controller How to change the password for a user level Go into online mode Open the Hardware configuration view With the right mouse button click on the CPU module From the context menu select the Change password command If you are not logged in as Authorized client you will be prompted to log in now In the Change password dialog select the user level for which you want to change the password enter the new password t
113. eeeeeeeee 205 Compatibility CHECK cc eeececeeeeeneeeeeeeneeeeeeaeeeeeeaaeeeeeeaeeeeeenaeeeeeenaeeeenenas 205 Verification of the configuration 0 00 0 ee eect eeeeeeeeeeeeeeeeeeteeeeeeeteeeaeeeeeenaees 206 Activating the write protection of the configuration in the safety CONUIONEN srasni r tere epee A 210 Device states of the MELSEC WS safety controller eens 211 Change in the device state ec ecceee steerer eeneeeeeseeeeeesieeeeetneeeeees 212 Auto RUN mode and normal State ee eeeeeeeeeeneeeeeeneeeeeeeneeeeeenaes 213 Report and diagnostics 2 2 eeeccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeseneaeeeteenaees 214 Creating aTeo ncen he aie ae 214 Diagnostics anaa A ties endl a teehet ita sl des veeotie tend AS 215 Technical COMMISSIONING ceceeeeeeeeeeeeeeeeteeeeeeeeeneeeeeteeeeesnaeeeeetnaeeeees 217 Wiring and voltage SUPDIY c ce rere iar EE E 217 Transferring the configuration cee eee cette ee etteeeeettte eset tates ee ttaeeeeetnaeeeeee 217 Technical test and COMMISSIONING c ceeeeeeeeeee eee eeeeteteeeeetteeeeetnaeeeeees 218 Troubleshooting and error elimination ccc eeeeeeeeeeeeeeeenteeeeeenaeeeeeeaas 219 TENG E Creer eC ERECT ERE CEEEER CETTE REECE ERCP E E COAL Coren CPE cence ee 220 List of function block status in simulation mode eee eeeeeeeetteeeeeees 220 PRECAUTIONS far a A ahs ce vanndens tedster N ea tad te rete anaes 221 SICK contact 2
114. eeeeeeesteeeeeeeeeeeeenaeeeeeeneeeeeeaes 70 Logic function block Routing N N cc cceeeeeeeeesneeeeeeneeeeeeeneeeeeeneeeeseaas 71 Function block RS FIip FlOp cececceccececeeeeeeeeceeceeeeeeeseceaaeeeeeeeeeeeees 72 Function block Fast Shut Off ccceeeeeeeeeeeeeeeeeeeeeeeseeeeeeseeneeeeeeeeaees 73 Function block Edge Detection ccccccecceeeeeeeeeeeeeeeeeseeeeeeeteeneeeeseenaees 77 Function block Clock Generator ccccceeeeeneeeeeeeeeeeeseeeeeeeeeneeeeseneaees 78 Function blocks Event Counter Up Down and Up and Down 79 6 6 6 6 1 6 6 2 6 6 3 6 6 4 6 6 5 6 6 6 6 6 7 6 6 8 6 6 9 6 6 10 6 6 11 6 6 12 6 6 13 6 7 6 7 1 6 7 2 6 7 3 6 7 4 6 7 5 6 7 6 6 7 7 6 7 8 6 7 9 6 7 10 6 7 11 6 8 6 8 1 6 8 2 6 8 3 6 8 4 6 8 5 6 8 6 6 9 6 9 1 6 9 2 6 10 6 11 Application specific function DIOCKS cccceceeeeeeeeceeeeeeeeeeteeeeeeeeeeeteeees 83 Application specific function block ReSet e esceceeceeeeeeeseeetteeeeees 83 Application specific function block Restart cececeeeeeeeeeecteeeeees 85 Application specific function block E Stop eseececeeeeceeeeeeeesnceeeeeees 87 Application specific function block Light Curtain Monitoring 89 Application specific function block Safety Gate Monitoring 91 Application specific function block Two Hand Control type IIIA type IIIC o eheds sien
115. eeiaintih A E ein an ONR 222 GENERIC TERMS AND ABBREVIATIONS Generic term abbreviation Description WSO0 MPL Abbreviation for the WSO MPL00201 MELSEC WS safety controller memory plug WS0 CPUO Abbreviation for the WS0 CPU000200 MELSEC WS safety controller CPU module WS0 CPU1 Abbreviation for the WS0 CPU130202 MELSEC WS safety controller CPU module WS0 XTIO Abbreviation for the WS0 XTI084202 MELSEC WS safety controller safety I O combined module WS0 XTDI Abbreviation for the WS0 XTDI80202 MELSEC WS safety controller safety input module WS0 4RO Abbreviation for the WS0 4RO4002 MELSEC WS safety controller safety relay output module WS0 GETH CPU module Abbreviation for the WS0 GETH00200 MELSEC WS safety controller Ethernet interface module Generic term for the WS0O CPUO and WSO0 CPU1 Safety I O module Generic term for the WSO XTIO and WSO XTDI Network module Another name for the WSO GETH 12 MELSEC WS About this document 1 About this document Please read this chapter carefully before working with this manual and the MELSEC WS safety controller 1 1 Function of this document For the MELSEC WS safety controller there are three manuals with clearly distinguished fields of application as well as User s Manuals Hardware for each module This manual describes the software supported configuration and parameterization of the MELS
116. er of Configurable from 1 to 8 Inputs Number of Not configurable number of inputs Outputs Messages Up to 64 user defined messages per project Input Rising edge Positive condition Falling edge Negative Rising and falling edge Positive amp Negative 66 MELSEC WS Figure 34 Configuration example for Log Generator with two emergency stop buttons and a safety switch Figure 35 In Out settings for the Log Generator function block 67 Logic programming Function blocks How to configure the Log Generator function block The following example shows the Log Generator function block with two emergency stop buttons and a safety switch attached XTDI 2 1 E Stop 321 Result 0 0 XTDI 2 2 E Stop 521 Result 0 1 oj XTDI 2 13 Satety Switch Resutt 0 2 To configure the Log Generator function block proceed as follows Connect input elements to the function block Double click on the function block to open the configuration dialog and click then on the In Out Settings tab HE Log Generator Input Output Settings Number of Inputs Number of Outputs Optional Output Choose the number of inputs that you wish to attach to the function block Then click the Messages tab and enter the messages that shall be output in the diagnostics Logic programming Function blocks MELSEC WS Figure 3
117. erations Force mode for the running MELSEC WS safety controller from the PC read the relevant manuals carefully and ensure the safety The online operations must be performed by qualified personnel following the operating procedure determined at designing Fully understand the precautions described in the Safety Controller Setting and Monitoring Tool Operating Manual before use Do not disassemble or modify the modules Doing so may cause failure malfunction injury or a fire Mitsubishi does not warrant any products repaired or modified by persons other than Mitsubishi or FA Center authorized by Mitsubishi Shut off the external power supply for the MELSEC WS safety controller in all phases before mounting or removing the module Failure to do so may cause the module to fail or malfunction After the first use of the product do not mount remove the module from to the DIN rail and the terminal block to from the module more than 50 times IEC 61131 2 compliant respectively Exceeding the limit of 50 times may cause malfunction Before handling the module touch a grounded metal object to discharge the static electricity from the human body Failure to do so may cause the module to fail or malfunction Disposal Precautions CAUTION When disposing of this product treat it as industrial waste Disposal of the product should always occur in accordance with the applicable country specific waste disposal reg
118. escription Muting is the automatic temporary bypassing of all the safety oriented functions of the control system or of the safety device Muting is used when certain objects e g pallets with material may be moved into the hazardous area During this transportation through electro sensitive protective equipment ESPE e g a safety light curtain the muting function suppresses monitoring by the ESPE Muting sensors monitor the presence of the material while it is being transported Careful selection of the type and layout of the sensors makes it possible to differentiate between objects and persons In combination with the muting sensors and the ESPE the transported object generates an exactly defined signal sequence while it is moved through the hazardous area They have to ensure that all dangers are excluded when a person enters an area protected by the ESPE i e any state entailing danger has to be terminated immediately It has to be impossible for a person to generate the same signal sequence as a transported object The placement of the muting sensors is determined by the form of the object to be detected To this purpose the following options are amongst others available with differing numbers of sensor input signals two sensors two sensors and an additional signal C1 four sensors two sensor pairs four sensors two sensor pairs and an additional signal C1 Three different function blocks are available for muti
119. f the Light Curtain Monitoring function block 89 Logic programming Function blocks Error states and information on resetting Diagnostics Fault z Resetting the error state Remarks outputs Present Discrepancy Active A Discrepancy Error cannot be reset until Output Enable the dual channel evaluation of the input changes to Error has become Inactive Inactive and the The Discrepancy Error returns to Inactive Fault Present when both inputs return to Active and changes to Active if the Discrepancy there is no error Error is Active 6 6 4 Application specific function block Light Curtain Monitoring Function block diagram Input 1 g Output Enable Input 2 g General description The Light Curtain Monitoring function block allows the implementation of a semiconductor protective device functionality with ESPE devices The internal logic of the Light Curtain Monitoring function block corresponds to the functionality of the function block E Stop however with a limited parameter selection The single channel input type cannot be selected in the Light Curtain Monitoring function block Input parameters of the function block Parameter Possible parameter values Default Inputs dual channel equivalent dual channel equivalent Discrepancy Time Inactive 0 ms 10 ms to 500 ms in 10 30 ms ms steps If used the set discrepancy time has to be greater tha
120. figuration and Monitoring Tool 1 2 0 820 EEEa Tag name Al xmo E Modules 8 Elements Info Valid configuration Executing Authorized client f System Online 4 Device configuration is verified The verification flag is included in copying when the data are read back into the memory plug and are also transferred automatically to each safety controller to which the configuration data are duplicated The safety controller is also ready to use when the configuration is only validated and not verified or does not have a write protection The Auto RUN mode function of the CPU module i e the automatic program start after the voltage supply has been switched on is not possible then The dialog box for verification is only displayed after a request by the user in order to ensure that the verification process does not have to be passed through every time the configuration is changed or new project data uploaded In order to validate the MELSEC WS safety controller the safety functions at the machine or system have to be checked completely and have to function perfectly With regard to its content the validation is identical to the technical test taking place when the safety controller is commissioned Transferring the system configuration MELSEC WS 7 4 Activating the write protection of the configuration in the safety controller A verified configuration can be protected against accidental changes
121. g circumstances Both Control inputs are Active High If a Feedback Error or Directional Valve Error is detected the following steps have to be carried out in the correct sequence in order to reset the error state Avalid reset sequence manual or automatic has to be carried out The Control input s has have to change to Inactive Low The corresponding Feedback input s has have to change to Active High Logic programming Function blocks Table 59 Input parameters of the function block Valve Monitoring MELSEC WS Input parameters of the function block Parameter Possible parameter values Default Reset Condition manual reset manual reset auto reset Continuous Monitoring when without without valve is active yes Valve mode Single Single Double Directional Max switch on feedback Parameterisable from 50 ms to 3 000 ms 50 ms delay time T_ON in steps of 10 ms If used the set ON feedback delay time has to be greater than the execution time of the MELSEC WS safety controller Max switch off feedback delay Parameterisable from 50 ms to 3 000 ms 50 ms time T_OFF in steps of 10 ms If used the set OFF feedback delay time has to be greater than the execution time of the MELSEC WS safety controller Min reset pulse time 100 ms 100 ms Output of the function block 350 ms Feedback Error output For double valve and directional valve Directional Valve Error
122. g of the On Start input depends on the parameter settings when the Up input is Active High This function block does not carry out a plausibility check of the Up input signal If the Up input is Active High several times during a single press cycle it is possible to mute the corresponding input of the function block several times If a signal shall not be muted it should be connected to the EN1 Static input by means of an AND gate together with other signals that have to be connected to the EN1 Static input Max Up Stroke Muting time The Max Up Stroke Muting time can be configured This time begins with the rising edge of the signal at the Up input i e the transition from Inactive Low to Active High If the timer reaches the configured Max Up Stroke Muting time before a falling edge occurs at the Up input i e a transition from Active High to Inactive Low the function block interrupts the muting of the EN3 Safety and On Start inputs If at this moment one of these two inputs is Inactive Low Output Enable is also set to Inactive Low The Max Up Stroke Muting time lies in the range of 0 to 7 200 s and is specified in seconds If this parameter is set to O upstroke muting is deactivated 170 MELSEC WS 171 Logic programming Function blocks Restart input If the Restart Interlock configuration parameter has been set to without a Restart signal is not required in order to restart the pre
123. g sensors with an identical width Optical probes and all types of non optical sensors can be used for this application Use sensors and probes with background suppression Avoid mutual interference of the sensors Increase the protection against manipulation and the safety level by using the following configurable functions Concurrency monitoring Monitoring of the muting total time Muting end via ESPE The wiring of devices is described in Section 6 7 5 The function block requires that a valid muting sequence takes place Figure 87 shows an example of a valid muting sequence based on the parameter basic setting for this function block Sequence timing diagram a a a Los ol CC Lo ESPE OSSD re H io o oo a ETT L Output Enable SS E Muting Error Muting Status L Logic programming Function blocks MELSEC WS Figure 88 Function block diagram for the function block Sequential Muting Figure 89 Example of the sequential layout of muting sensors Table 75 Conditions for muting with two sequential sensor pairs 6 7 9 Sequential Muting Muting with sequential layout of sensor pairs Function block diagram ESPE OSSD Output Enable Muting Lamp Control Aa B1 Muting Status B2 Override Required Override Conveyer Miuting Error Ci Representation of the application Figure 89 shows an example of the placement of sensors using the function block
124. h Active High 0 No 0 No No 0 No 1 No No Yes if the maximum permissible number of 0 Yes 0 Flashes 2 Hz override cycles has not been exceeded 0 Yes 1 No No 1 No 0 No No 1 No 1 No No 1 Yes 0 No No 1 Yes 1 No No Figure 84 shows an example sequence for Override and Override Required Override cycle j Override Required T UUUUUL Override PE a E Output Enable E S a t high thign has to be equal to or greater than the min Override Pulse Time 100 ms or 350 ms but less than or equal to 3 s If thig is greater than 3 s the Override input is ignored 128 MELSEC WS ATTENTION Table 67 Number of permissible override cycles 129 Logic programming Function blocks If you use Override check whether the system is in a safe state The Override function is used to activate the safety output i e Output Enable of the muting function block although the safety device e g a safety light curtain signals that state an entailing danger may exist The Override input should only be used when the hazardous area has been checked visually and nobody is in the hazardous area or has access to the hazardous area while the Override input is being used When an Override input is configured test pulse outputs may not be used for the configuration of the safety inputs During an override cycle Output Enable is set to Active High like during a valid muting sequence The number of permissi
125. h a rising edge i e the transition of the Overrun Cam from Inactive Low to Active High For safety reasons there must not be a Run up Cam signal in case the press starts while the Run up Cam is Active High e g in the first cycle after switching on or after an error The second cycle begins when the Overrun Cam changes from Active High to Inactive Low Dynamic Cam Dynamic Cam is an optional input signal that determines how the output signals for the press cycle are determined The input signal for Dynamic Cam can both change its state several times as well as not at all during a single press cycle If Dynamic Cam changes from Active High to Inactive Low i e falling edge the Top output becomes Active High and the Up output becomes Inactive Low The Top output remains Active High until Overrun Cam changes from Active High to Inactive Low If this happens the Top output becomes Inactive Low This means that a second transition of Dynamic Cam from Active High to Inactive Low does not have any influence of the signal state of the Top output Disable Monitoring Using this optional input it is possible to deactivate the monitoring functionality under certain conditions This might be useful e g during the setup of the machine or when the press moves backwards If the Disable Monitoring input is Active High the Release signal of the function block Eccentric Press Contact is Inactive Low 150
126. hannel evaluation of the safety input pair 1 Inputs 1 and 2 Inactive or discrepant 0 Active 1 Co a evaluation of the safety input pair 2 Inactive or discrepant 0 Inputs 3 and 4 avi ti sync Logic programming Function blocks MELSEC WS Figure 26 Activating the Fault Present Figure 27 Fault Present output 6 4 3 Fault Present Various function blocks have the Fault Present diagnostics status bit In order to use it activate the check box on the In Out Settings tab of the function block properties When you activate the Use Fault Present check box the additional output Fault Present is displayed in the function block HE Safety Gate Monitoring Input Output Settings Number of Inputs Number of Outputs Optional Output Use Fault Present The Fault Present output informs you about the reason why an Output Enable signal has adopted the Inactive state fail safe Input 1 Pair 1 mj Output Enable m Fault Present Input 2 Pair 1 The Fault Present changes to Active when an error has been detected on the basis of the configured function block parameters e g Discrepancy Error Function Test Error Synchronisation Error etc When the Fault Present is Active the Output Enable changes to Inactive fail safe Deleting of the Fault Present output is described in the section of the respective function block 56
127. he Fast Shut Off function block is edited or deleted 76 MELSEC WS Figure 48 Function block diagram for the function block Edge Detection Table 35 Input parameters of the function block Edge Detection Figure 49 Timing diagram for the function block Edge Detection 77 Logic programming Function blocks 6 5 11 Function block Edge Detection Function block diagram Input g Edge Detected General description The function block Edge Detection is used to detect a rising or falling edge of the input signal The function block can be configured to detect a rising edge a falling edge or both If an edge corresponding to the parameter settings is detected the output Edge Detected changes to Active High for the duration of one control cycle Input parameters of the function block Parameter Possible parameter values Default Edge Detection Positive Positive Negative Positive and Negative Sequence timing diagram we ee ee ee Edge Detected M M Edge detection Positive Edge Detected Edge detection Negative Edge Detected Edge detection Positive and Negative One control cycle Error states and information on resetting The function block Edge Detection does not carry out monitoring for error conditions Logic programming Function blocks MELSEC WS Figure 50 Function block diagram for the function block Clock Generator Figure 51 Parameter diagra
128. he profile selected for editing is marked blue The symbols for editing the profiles have the following meaning Symbol Meaning Save profile with the current project Activate profile Edit profile Remove profile lt E 7 OE Check profile Connecting to the MELSEC WS safety controller Figure 10 Create new profile dialog serial port How to add a COM profile serial port Click on the Add COM Profile button The Create new profile dialog is opened MELSEC WS Create new profile Entry name Machine Serial port COMI Fixed baud rate 115200 C Auto scan Enter a name for the new profile Select the serial port for the new profile Select a fixed baud rate or activate the Auto scan checkbox Click OK The dialog is closed and the new profile is displayed in the list To activate the new profile select it using the left mouse button and click on the green arrow symbol on the right From now on the Setting and Monitoring Tool will use this profile 34 MELSEC WS Note Figure 11 Create new profile dialog TCP IP 35 Connecting to the MELSEC WS safety controller How to add a TCPIIP profile To create a TCP IP profile it is necessary that your MELSEC WS safety controller contains an Ethernet interface module e g WSO GETH which must be configured with a valid IP address for your network For detailed instructio
129. hermore before performing online operations for the MELSEC WS safety controller from the PC determine corrective actions to be taken for communication errors caused by failure such as a poor contact Create an interlock program using a reset button to prevent the MELSEC WS safety controller from restarting automatically after the safety function is activated and the safety controller turns off the outputs CAUTION Ensure that an entire system using the MELSEC WS safety controller meets the requirements for the corresponding safety category The life of safety relays in the safety relay output module depends on the switching condition and or load Configure a system satisfying the number of switching times of the safety relays in the module Do not install the communication cables together with the main circuit lines or power cables Keep a distance of 100 mm or more between them Failure to do so may result in malfunction due to noise Observe the protective notes and measures Observe the following items in order to ensure proper use of the MELSEC WS safety controller e When mounting installing and using the MELSEC WS safety controller observe the standards and directives applicable in your country e The national international rules and regulations apply to the installation use and periodic technical inspection of the MELSEC WS safety controller in particular Machinery Directive 98 37 EC from 29 12 2009 Mach
130. ible and nothing can be connected to the Up input MELSEC WS Input parameters of the function block Parameter Possible parameter values Default Number of breaks Parameterisable from 1 to 8 1 Mode standard standard Sweden Max Up stroke Muting time Parameterisable from 0 to 7200 s 30s PSDI Time Monitoring Parameterisable from 0 to 500 s 30s EN2 without only necessary for first starts necessary for every start necessary for every start Release limited not limited limited Restart Interlock always deactivation on upstroke only for PSDI without always Min restart pulse time 100 ms 350 ms 100 ms Start Position everywhere only on top everywhere Min break pulse time 100 ms 350 ms 100 ms 178 MELSEC WS 179 ATTENTION Logic programming Function blocks Ensure that the transitions of the signals for restarting fulfil the requirements In case of a short circuit to High to 24 V DC at a physical input the evaluated signal can have a pulse when the signal is reset due to the short circuit detection If such a pulse can result in a hazardous state in the machine the following points have to be observed Ensure protected cable laying for the signal line due to cross circuiting to other signal lines No short circuit detection i e do not reference to test outputs Input parameters and input signals of
131. ical output as well Typically the AND Restart or EDM function blocks can be used in the signal chain for this An OR function block on the other hand does not comply to this rule Logic programming Function blocks MELSEC WS ATTENTION Table 34 Input parameters of the Fast Shut Off function block Figure 43 Configuration example for Fast Shut Off with three light curtains Once an input or output is attached to the Fast Shut Off function block the output can no longer be moved in the hardware configuration and the input can only be moved to another position on the same safety I O module Always consider the total response time of the entire safety function The response time of the Fast Shut Off function block is not the same as the total response time of the entire safety function The total response time includes multiple parameters outside of this function block For a description of how to calculate the total response time of the MELSEC WS safety controller please see the Safety Controller User s Manual Input parameters of the Fast Shut Off function block Parameter Possible parameter values Default Number of Inputs Configurable from 1 to 8 1 Number of Outputs Not configurable 1 Connect input elements to Assigned by user Once set inputs the function block cannot be moved in configuration view to another safety I O module Select output for fast shut Assigned by user Once set On
132. ide lamp has to be used in order to signal that the muting or override function is active It is possible to use an external muting override lamp or one that is integrated in the protective device ESPE It may be necessary to monitor the muting override lamp s depending on your local regional and national regulations and standards Always position the muting or override lamp so that it can be seen well It must be possible to see the muting or override lamp from all the positions around the hazardous area and for the system operator Logic programming Function blocks Table 64 Input parameters of the function blocks for muting Note 6 7 4 Input parameters of the function block MELSEC WS The following function block specific parameters provide additional configuration possibilities for the muting function Parameter Possible parameter values Default Direction Detection disabled movement in both directions forward Input pair A1 A2 must switch first backward Input pair B1 B2 must switch first disabled Muting Start after all muting sensors are off Depends on the if last muting sensor is active Condition function block Muting End after last muting sensor after last muting after ESPE is clear of obstruction sensor Muting Total Time Inactive 5 s to 3600 s resolution 1 s 5 sec Add Muting Time 0 ms 200 ms 500 ms 1000 ms 0 ms when ESPE
133. ified by a green symbol The software version number of the respective module can be selected The number of inputs outputs and EFI connections is displayed for each module Configuration Area the entire hardware configuration of the MELSEC WS safety controller and of the connected devices is created here and represented graphically The individual modules and connected devices can be named have a tag name assigned and can be parameterized Icons for the functions are located on the left next to the positioned modules Switch view Settings and Edit Tag names When a connection to a safety controller is established further functions are also available Logging in changing the user group verifying reading in and comparing the configuration and running or stopping the CPU module The graphical user interface MELSEC WS Figure 4 The Hardware configuration standard view Exercise e iy reaction time How can I simulate the configuration Machine Operator 130ffline A Designer configuration is not verified 4 5 1 Exercise for configuring the MELSEC WS modules Create a new project using Project New All the MELSEC WS modules are displayed in the Modules selection window All the modules are greyed out with the exception of the CPU modules Use the mouse to drag a CPU module WS0 CPUO or WS0 CPU1 into the Configuration Area The CPU module is displayed magnified there The inputs outputs an
134. ified in the current step has been fulfilled Restart Required Indication when Monitored Input is Inactive or when the MELSEC WS safety controller changes from the stop state to the Run state Output Enable changes to Inactive Static Release changes to Inactive Restart Required Indication changes to Inactive All the Monitored Input signals are Active Static Release changes to Active Restart Required Indication changes to Active e g 1 Hz pulse A successful restart sequence is carried out see previous sections Output Enable changes to Active O ON Oa F wN Restart Required Indication changes to Inactive Sequence timing diagram Reset 72 ppa e SS Monitored Input pera kic I 3 Output Enable ee a O Static Release oo FL a a Reset Required JUU JISU TC Indication Stop gt Run Error states and information on resetting The function block Restart does not carry out monitoring for error conditions 86 MELSEC WS Figure 58 Function block diagram for the function block E Stop 87 Logic programming Function blocks 6 6 3 Application specific function block E Stop Function block diagram Input 1 g Output Enable g Discrepancy Eror Input 2 B Fault Present General description The function block E Stop allows the implementation of an emergency stop function with an emergency stop pushbutton If a corresponding dual channel input element is
135. inery Directive 2006 42 EC EMC Directive 2004 108 EC Provisition and Use of Work Equipment Directive 89 655 EC Low Voltage Directive 2006 95 EC The work safety regulations safety rules e Manufacturers and owners of the machine on which a MELSEC WS safety controller is used are responsible for obtaining and observing all applicable safety regulations and rules e The notices in particular the test notices of this manual e g on use mounting installation or integration into the existing machine controller must be observed e The test must be carried out by specialised personnel or specially qualified and authorized personnel and must be recorded and documented and retraced at any time by third parties e The external voltage supply of the device must be capable of buffering brief mains voltage failures of 20 ms as specified in EN 60204 e The modules of the MELSEC WS safety controller conform to Class A Group 1 in accordance with EN 55011 Group 1 encompasses all the ISM devices in which intentionally generated and or used conductor bound RF energy that is required for the inner function of the device itself occurs The MELSEC WS safety controller fulfils the requirements of Class A industrial applications in accordance with the Interference emission basic specifications The MELSEC WS safety controller is therefore only suitable for use in an industrial environment and not for private use Installation Precautions
136. ing to the safety controller using multiple instances of the Setting and Monitoring Tool either on a single PC or multiple PCs may result in inconsistencies of the configuration and the diagnostics as well as in operational errors This applies to both RS 232 and Ethernet connections equally o Click on the Connect button The Setting and Monitoring Tool will try to connect to your MELSEC WS safety controller using the currently activated connection profile ifa connection is established successfully the Setting and Monitoring Tool goes into online mode and you can perform the following activities depending on your user level Log in see Section 5 4 Transfer the configuration to the device upload it from the device or verify the configuration see Chapter 7 Start or stop the CPU module see Section 8 1 1 Start the force mode see Section 6 11 Connecting to the MELSEC WS safety controller MELSEC WS Table 3 User level authorisations ATTENTION Note 5 4 User levels in the Setting and Monitoring Tool If the Setting and Monitoring Tool is connected to the devices in a project i e is in online mode you can switch to the user levels of the Setting and Monitoring Tool These user levels have different authorisations for the transfer of configurations to the devices User level Authorisation Operator May edit necessary to edit a configuration offline May not transfer Maintenance May
137. ion is connected as shown in the following graphic Do not connect both pre evaluated signals to the function block except if the dual channel evaluation is to be effected in the function block XTIO 1 Q1 Lamp J xtiop1 1112 c4000 zi xTON O2Lame J xTiO 1 1314 c4000 Status information can be available for input signals In some applications an evaluation of this status information can be important in order to specify the behaviour of the logic functions of the MELSEC WS safety controller The input status specifies whether the data transferred from the protective device to the MELSEC WS safety controller are Inactive because this is the state at the protective device or Inactive because there is a fault at the protective device No category in accordance with with EN 954 1 or SIL or Performance Level in accordance with EN 62061 or EN ISO 13849 1 is defined for the input behaviour of function blocks since the connection of the safety devices to the inputs is relevant for this purpose and not the connection to the function block itself However the following signals in accordance with EN 954 1 can be realised if the connection is effected in accordance with the specified categories 1 Only valid for the assumption of conformity until 29 12 2009 From then on it will only be allowed to use the successor EN ISO 13849 1 Logic programming Function blocks MELSEC WS ATTENTION In
138. ion time Function Blocks Used 2 Total 255 5 XTIO 1 I5 Reset XTONN IS Reset r Title Reset Subtitle Single Channel Tag Name XTIO 15 Reset Manufacturer SICK AG Intemal item number Description Module Name XTIO 1 Module Address 1 Used on page Page 1 1 Machine Operator 130tfline A Designer configuration is not verified When the simulation is stopped it is possible to select inputs to switch at the next possible moment When clicking on an input in stopped mode a blue box will appear around it denoting that it is ready to switch at the next cycle of the simulation This makes it possible to switch one or more elements at the same time and see their direct effect on the logic After activation of the desired inputs the simulation must be continued either by pressing the green Start button or by using one of the time increment buttons in order for the logic and outputs to switch accordingly Note Ifthe EDM or the Valve Monitoring function block is being used it is recommended to remove them from the logic before simulating These function blocks expect a high signal on their feedback input within 300 ms of their associated output being activated This can only be simulated by using small increments and not in real time 199 Logic programming Function blocks MELSEC WS ATTNTION Note 6 11 Force mode In force mode you can set the inputs of a MELSEC WS safety controller via Se
139. is clear Concurrency Inactive 10 ms to 3000 ms resolution 10 ms If 0 ms monitoring time used the value of this parameter has to be greater than the execution time Sensor signal gap Inactive 10 ms to 1000 ms resolution 10 ms If 100 ms monitoring used the value of this parameter has to be greater than the execution time Sequence enabled Depends on the Monitoring disabled function block C1 Input with with without Override Input with with without Conveyer Input with with without Min Override Pulse 100 ms 100 ms Time 350 ms All the input parameters of the function block can be accessed by double clicking the function block and then clicking the selection field belonging to the respective parameter 122 MELSEC WS 123 Logic programming Function blocks Direction Detection Direction Detection is used when the transported material has to be moved in a specific direction The Direction Detection depends on the sequence in which the muting sensors are activated The default is disabled If Direction Detection is disabled the material to be transported can be moved in both directions in order to fulfil the muting conditions In this case it is not relevant which sensor pair is activated first If forward was selected as the direction the muting sensor pairs have to be activated in the sequence A1 A2 before B1 B2 Muting is not possible
140. is condition is fulfilled The second sensor pair is activated depending on the direction of transportation of the material Logic programming Function blocks MELSEC WS Equations and prerequisites for calculating the distance L 2vx2x Tin Muting sensor v xt gt Li L3 L4 lt L3 Tin Light curtain lt Tin Muting sensor Where L Distance between the sensors layout symmetrical to the detection area of the ESPE Ls Length of material in conveyor direction v Velocity of the material e g of the conveyor belt t Set Muting Total Time s TIN Light curtain TIN Muting sensor Response time of the light curtain or the muting sensors in the MELSEC WS safety controller see the Safety Controller User s Manual 136 MELSEC WS Note Figure 87 Valid muting sequence using the configuration basic setting C1 Input without Override Input without Conveyer Input without 137 Logic programming Function blocks The material can be moved in both directions or a fixed direction of transportation can be defined for it as follows With the optional signal C1 If used signal C1 always has to be activated before both muting sensors of the first sensor pair e g A1 and A2 become Active By means of the Direction Detection parameter In parallel layout the position of the muting sensors also determines the width of the permissible object The objects always have to pass the mutin
141. is used in order to indicate an active muting cycle The value for the Muting Lamp Control output depends directly on the value for the muting status as shown in the following table Condition Muting Lamp Control Output value of Muting Status is 0 0 Output value of Muting Status is 1 1 Override cycle active 1 Override Required Flashes with 2 Hz Output value Muting Error The Muting Error output is used to indicate that an error connected to the muting function block has been detected In order to reset a Muting Error it is necessary that all the muting sensors return to Inactive Low and that the ESPE OSSD signal is Active High The value for the Muting Error is Active High when any muting error is detected Output value Output Enable Output Enable is Active High if a valid muting condition exists a valid override cycle occurs or if the ESPE OSSD is free and no error error state is active Logic programming Function blocks MELSEC WS 6 7 5 Information on wiring If muting functions are to be implemented possible errors in the wiring have to be taken into consideration If certain signal combinations are to be transferred in a common wire additional precautions have to be taken in order to ensure that the respective signals are correct Suitable organisational measures have to be taken e g protected wiring in order to ensure that errors cannot arise through this wiring Table
142. k all profiles button The Setting and Monitoring Tool checks the connection settings and marks faulty profiles Profile not Profile OK checked Serial COM i i pN TCP IP E g E Profile type Profile faulty 36 MELSEC WS Figure 13 List of the found network module ATTENTION 37 Connecting to the MELSEC WS safety controller How to change the network settings of a network module Click on the Network settings button The Network scan dialog is opened Click on the Scan button Your network is scanned for connected network modules and the network modules found are displayed in the list Network scan Bootloader eran Board revision MAC Address IP Address Type Key Serial Number Application revision 00 06 77 0200 CF 192168250250 WS0 GETH 0847 0009 11 04 Eth TCP IP Current IP Address Edit IP Address 192 168 250 250 255 25 o o o o GETH Use DHCP Click on the network module you want to edit Enter the new settings in the Edit IP Address area Click on the Set device config button to transfer the new settings to the device 5 3 Establishing a connection with the MELSEC WS safety controller Do not connect to the MELSEC WS safety controller via the RS 232 and the Ethernet interface at the same time The MELSEC WS safety controller can only communicate with one instance of the Setting and Monitoring Tool at one time Connect
143. larly to the Muting Start Condition parameter the Muting End parameter determines when a valid muting state ends You can choose when the Muting End occurs When a muting sensor of the last muting sensor pair changes to Inactive Low sensor free or When the OSSDs of the protective device e g safety light curtain indicate that the protective field is no longer violated i e the protective field is free and the OSSDs return to the Active High state If after the muting end the OSSD input of the ESPE becomes Inactive e g by a violation of the protective field of the ESPE before the next valid muting sequence has begun the Output Enable signal of the function block becomes Inactive The next muting cycle cannot begin until the Muting End has been fulfilled The default is after last muting sensor Muting Total Time The Muting Total Time is used in order to limit the maximum duration of the muting sequence If the set value for the Muting Total Time is exceeded the Muting Error and Fault Present outputs change to Active High and Output Enable changes to Inactive Low The timer for the Muting Total Time begins when the muting function is activated indicated by the transition of the Muting Status output to Active High The timer for the Muting Total Time is stopped and reset to zero when the muting function changes to Inactive If the optional Conveyer Input parameter is used the timer for the Muting Total Time
144. le not to the hardware variant the implementation of the terminals for example remains unconsidered If the compatibility check is negative a corresponding error message is generated in the respective module and in the CPU module 205 Transferring the system configuration MELSEC WS Figure 149 Note Icon Receive and compare Note In Setting and Monitoring Tool different version numbers are assigned to some modules so that a compatible module can be selected from a list below the module 7 3 Verification of the configuration After the configuration has been downloaded to the MELSEC WS safety controller the safety controller can be verified To this purpose the downloaded configuration data are read back out from the safety controller and compared with the project data If they match the data are displayed in a report If the user confirms that they are correct the safety controller is considered to be verified Click the icon Receive and compare the configuration Safety Controller Setting and Monitoring Tool 1 2 0 820 Elements Network modules System status Logic results nBK Tag name LAI A2 CETE ANTOLINI nH 28 4 nH 2 Sy Mote ATQ EE Modules w Elements info Valid configuration Stop Authorized client 9System Online Device configuration is not verified The Read and compare window is opened Click Yes below at the que
145. le details the warranty problem iii the notice shall be provided promptly and in no event later than thirty 30 days after the Customer knows or has reason to believe that Products are not as warranted and iv in any event the notice must given within the warranty period 2 Customer shall cooperate with MELCO and MELCO s representatives in MELCO s investigation of the warranty claim including preserving evidence of the claim and its causes meaningfully responding to MELCO s questions and investigation of the problem grant MELCO access to witnesses personnel documents physical evidence and records concerning the warranty problem and allow MELCO to examine and test the Products in question offsite or at the premises where they are installed or used and 3 If MELCO requests Customer shall remove Products it claims are defective and ship them to MELCO or MELCO s authorized representative for examination and if found defective for repair or replacement The costs of removal shipment to and from MELCO s designated examination point and reinstallation of repaired or replaced Products shall be at Customer s expense 4 If Customer requests and MELCO agrees to effect repairs onsite at any domestic or overseas location the Customer will pay for the costs of sending repair personnel and shipping parts MELCO is not responsible for any re commissioning maintenance or testing on site that involves repairs or replacing of the Pr
146. le power is on Doing so will cause electric shock Shut off the external power supply for the system in all phases before cleaning the module or retightening the terminal screws Failure to do so may result in electric shock Tighten the terminal screw within the specified torque range Undertightening can cause short circuit fire or malfunction Overtightening can damage the screw and or module resulting in drop short circuit or malfunction Safety oriented devices must be suitable for safety related signals A function interruption of safety outputs results in a loss of the safety functions so that the risk of serious injury exists Do not connect any loads that exceed the rated values of the safety outputs Wire the MELSEC WS safety controller so that 24 V DC signals cannot unintentionally contact safety outputs Connect the GND wires of the power supply to earth so that the devices do not switch on when the safety output line is applied to frame potential Use suitable components or devices that fulfill all the applicable regulations and standards Actuators at the outputs can be wired single channeled In order to maintain the respective Safety Integrity Level the lines have to be routed in such a manner that cross circuits to other live signals can be excluded for example by routing them within protected areas such as in a control cabinet or in separate sheathed cables CAUTION Before performing online op
147. ler User s Manual 13JZ32 WS ET U E Safety Controller Ethernet Interface Module User s Manual 13JZ33 Safety Controller Setting and Monitoring Tool Operating SW1DNN WSOADR B O E Manual 13JU67 WS CPU U HW Safety Controller CPU Module User s Manual Hardware 13J200 Safety Controller Safety I O Module User s Manual WS IO U HW Hardware 13J201 Safety Controller Safety Relay Output Module User s WS SR U HW Manual Hardware 13J202 Safety Controller Ethernet Interface Module User s Manual WS ET U HW Hardware 13J203 1 2 Scope This document is the original manual 1 3 Target group This manual is addressed to the planning engineers designers and operators of systems into which a MELSEC WS safety controller is integrated It also addresses persons who carry out initial commissioning or who are in charge of servicing or maintaining a safety controller This manual does not provide instructions for operating the machine or system in which a MELSEC WS safety controller is integrated Information of this kind will be found in the manuals for the machine or system 14 MELSEC WS Note About this document 1 4 Function and structure of this manual This manual instructs the technical personnel of the machine manufacturer or machine operator in the software configuration operation and diagnostics of aMELSEC WS safety controller using the Setting and Monitoring Tool It only applies in combination with the Safety
148. lity Configurable parameters Logic results can be used further at one or more inputs of other logic or application specific function blocks The MELSEC WS safety controller supports up to 255 function blocks in a specific application The response time is influenced by the number of function blocks Therefore the number of function blocks in your application should be kept as low as possible 42 MELSEC WS Figure 16 Configurable parameters of function blocks 43 Logic programming Function blocks 6 2 Function block properties Function blocks offer a number of different properties that you can use The configurable parameters differ depending on the function block You can double click the function block to access the configurable parameters and select the tab with the desired properties The following example shows the Safety Gate Monitoring function block HE Safety Gate Monitoring In Out Settings In Out Comment Inputs dual channel equivalent pair Function Test no function test Discrepancy Time Pair 1 3 amp 10 ms 30 ms 4 3000 O disable Discrepancy Time Pair 2 3 amp 10 ms 30 ms 4 3000 O disable fa Synchronization Time amp 10 ms 300 ms 1 3000 O disable 1 2 3 The number 1 to 3 for the time configuration parameters of function block such as Safety Gate Monitoring and Valve Monitoring indicate 1 input
149. locks within a project the Customized Function Block is not counted as a single function block but rather the total number of blocks used within it 192 MELSEC WS Figure 137 Edit Function Block Details dialog for the Customized Function Block Note 193 Logic programming Function blocks How to create a Customized Function Block In order to create a Customized Function Block you must have already created it as a Grouped Function Block see Section 6 9 1 Open the Grouped Function Block view by clicking on its tab Click on Save as CFB in the toolbar The Edit Function Block Details dialog opens Edit Function Block Details Function Block Name Machine Select Function Block Icon Enter a name for the new Customized Function Block Do not enter the same name used in any Function Block for the new Customized Function Block if you want to assign another icon to your new Customized Function Block you have two possibilities Click on Browse to choose a user defined icon Or click on Select to open the Select Icon dialog You can choose the icon from a fixed library Logic programming Function blocks MELSEC WS Figure 138 Select Icon dialog for the Customized Function Block Figure 139 New Customized Function Block in the function block list Select Icon Select the desired icon and click OK Back in the Edit Function Bl
150. lt DANGER Do not use the MELSEC WS safety controller in flammable gas atmosphere or explosive gas atmosphere Doing so may result in a fire or explosion due to such as an arc caused by switching the relays N CAUTION Use the MELSEC WS safety controller in an environment that meets the general specifications in this manual Failure to do so may result in electric shock fire malfunction or damage to or deterioration of the product Latch the module onto the DIN rail Incorrect mounting may cause malfunction failure or drop of the module To ensure full electromagnetic compatibility EMC the mounting rail has to be connected to functional earth FE Ensure that the earthling contact is positioned correctly The earthling spring contact of the module must contact the DIN rail securely to allow electrical conductivity Shut off the external power supply for the system in all phases before mounting or removing the module Failure to do so may result in damage to the product Do not directly touch any conductive part of the module Doing so can cause malfunction or failure of the module The MELSEC WS safety controller is only suitable for mounting in a control cabinet with at least IP 54 degree of protection Wiring Precautions lt DANGER Shut off the external power supply for the system in all phases before wiring Failure to do so may result in electric shock or damage to the product The sys
151. m for Clock Generator Table 36 Input parameters of the function block Clock Generator 6 5 12 Function block Clock Generator Function block diagram Enable r Clock General description The function block Clock Generator is used to define a pulsed cycle output When Enable is Active High the Clock output pulses from Inactive Low to Active High in accordance with the parameter settings of the function block When Enable is Inactive Low the Clock output becomes Inactive Low in accordance with the parameter settings of the function block Clock period time i Pulse duration lt Clock period time cycle duration The pulse duration and the cycle duration are configured i as a multiple of the cycle time of the controller a Pulse duration Input parameters of the function block Parameter Possible parameter values Default Stopping Mode immediately immediately after last clock Clock Period Configurable parameter based on a multiple of 2 control cycles the cycle time of the controller The range lies between 2 and 65 535 control cycles Pulse Time Configurable parameter based on a multiple of 1 control cycle the cycle time of the controller The range lies between 1 and 65 534 control cycles The pulse duration has to be lower than the cycle duration 78 MELSEC WS Figure 52 Timing diagram for the function block Clock Generator Figure 53 Func
152. me span that the transported object requires to pass a muting sensor pair e g A1 A2 or B1 B2 126 MELSEC WS 127 Note Logic programming Function blocks C1 Input C1 Input is used as an additional measure to avoid manipulations If C1 Input is used a transition from Inactive Low to Active High has to take place before the first muting sensor pair becomes Active High Signal C1 must then remain Active High until both sensors of the muting sensor pair are Active High so that a valid muting condition can arise If this condition is not fulfilled this results in a muting error indicated by the status bit for muting errors Input signal C1 subsequently has to return to Inactive Low again before the subsequent muting cycle is permitted Override Override Required An Override input signal is used to remove transported objects that have remained in the protective field of the protective device e g safety light curtain after power failures triggering of an emergency off muting errors or similar circumstances Override Required changes to Active High with a pulse of 2 Hz under the following conditions Muting is currently Inactive i e Muting Status is Inactive Low Atleast one muting sensor is Active High The OSSDs of the ESPE are Inactive e g safety light curtain is interrupted Output Enable is Inactive If the conditions for the Override Required output are fulfilled and the Overri
153. mparing and optionally have a write protection assigned to it With the memory plug the project data can be transferred without further processing using the Setting and Monitoring Tool to any number of MELSEC WS safety controllers The configuration data are copied exactly in the process including the verification and any write protection information that were set during the configuration of the first safety controller with these data Note Before using standby hibernation or sleep mode of PC disconnect the PC from the MELSEC WS safety controller Note Before removing the RS 232 USB converter WS0O UC 232A disconnect the PC from the MELSEC WS safety controller 7 1 Transferring project data to the safety controller After the transfer the configuration data are read back from the memory plug if the verification has been activated in the Setting and Monitoring Tool see Section 7 3 Note The reading back of the configuration data from the memory plug requires some time The memory plug may not be removed during this time The Setting and Monitoring Tool displays a corresponding warning as long as the process takes 7 2 Compatibility check The configuration data contain an electronic type code and a version code for each module that is to be configured During the transfer each module checks whether it is compatible with the configuration data The compatibility check only applies to the functional part of the respective modu
154. n Area and select Edit from the context menu or double click a device The Element settings window is opened Depending on the type of device you can assign a tag name identifying name for the element set parameters of the device for example discrepancy times ON OFF delay times test pulse active not active etc Close the Element settings window by clicking OK The graphical user interface MELSEC WS Figure 5 The Logic editor 4 6 Logic editor standard view The Setting and Monitoring Tool includes a graphical Logic editor The function logic is programmed by using logic and application specific function blocks The inputs function blocks and outputs are positioned on a worksheet definable in size and are connected correspondingly As soon as at least one MELSEC WS CPU module is located in the Configuration Area the Logic editor can be accessed via the tab of the same name Relays E Modules 8 Elements Info Machine Operator 1 0ffline Designer configuration is not verified The Logic editor window consists of the following sub windows Menu bar with the menus Project Device Extras Toolbar with icons for rapid access to menus that are often used Tabs for switching between the standard views Hardware configuration Logic editor GETH Network Module 13 if the project contains at least one network module Report and Diagnostics Specific menu bar of the logic editor
155. n Stop Run Error states and information on resetting The function block Reset does not carry out monitoring for error conditions 84 MELSEC WS Figure 56 Function block diagram for the function block Restart 85 Logic programming Function blocks 6 6 2 Application specific function block Restart Function block diagram Restart g Output Enable Monitored Input Static Release Optional Input 1 g Restart Required Indication General description The internal logic of the Restart function block has the same functionality as that of the Reset function block The Restart function block allows graphic differentiation between the function blocks with regard to the observation of application standards for acknowledging and cancelling a manual restart request The Restart signal is to be output via an NO contact The input signals of the Restart function block are interlinked internally If any Monitored Input signal changes to Inactive Output Enable also becomes Inactive until a successful reset sequence occurs When all the Monitored Input signals e g outputs of the Reset function block return to Active the Static Release and Restart Required Indication outputs change to Active and 1 Hz pulsed By this means the function block indicates that it is waiting for a restart signal sequence A restart signal sequence is successful when all the Monitored Input signals remain Active and the Rest
156. n Active High signal is present at a Control input for a shorter period than the configured ON delay the output s is are only Active High as long as the Control input is Active High and the Feedback are not checked If an Inactive Low signal is present at a Control input for a shorter period than the OFF delay the output s become s Inactive Low and are interlocked until the Feedback signal has changed its state thus reflecting the Inactive Low state of the Control input The output s can be reactivated to Active High when the Control input s change s from Inactive Low to Active High If both Control inputs are Active High at the directional valve type the outputs change to Inactive Low A Feedback Error occurs under the following circumstances If one or more Control inputs change their state and the corresponding Feedback input does not change within the configured ON OFF delay The Feedback input has to be Active High when the corresponding Control input is Inactive Low or the Feedback input has to be Inactive Low when the corresponding Control input is Active High f one or more Feedback inputs are Active High while the corresponding Control inputs are also Active High and the Continuous Monitoring when valve is active parameter is set to yes If the Feedback input is Inactive Low while the Control input changes to Active High A Directional Valve Error occurs under the followin
157. n also be set to the following values when On Start or EN1 Inactive is inactive when top is Active or EN1 inactive always This parameter determines when a Restart signal is expected as input signal for the function block Provide the Restart signal using the Restart function block so that a valid restart sequence will occur If Output Enable changes to Inactive Low because of the above mentioned settings of the configuration parameters for Restart Interlock Output Enable can only be reset after a valid restart sequence has been carried out i e the Restart input changes from Inactive Low to Active High 100 ms or 350 ms lt 30 s and back to Inactive Low Output signals of the function block Restart Required The Restart Required output is Active when a valid restart sequence is expected at the Restart input Output Enable Output Enable is Active High when Restart Required is Inactive Low i e restart is not required and the following conditions are fulfilled When Single Stroke Protection is set to without EN1 Static is Active High and EN2 Start if necessary is Active High and a rising edge i e transition from Inactive Low to Active High is detected at the On Start input or If Single Stroke Protection is set to with On Start changes from Inactive Low to Active High EN1 Static is Active High and EN2 Start if necessary is Active High In this case Ou
158. n blocks 6 4 2 Synchronisation time In the case of applications according to Category 4 in accordance with EN 954 1 it may be necessary that two dual channel input evaluations e g dual channel input 1 2 and dual channel input 3 4 reach the same status within the specified time 1 Only valid for the assumption of conformity until 29 12 2009 From then on it will only be allowed to use the successor EN ISO 13849 1 The synchronisation time differs from the discrepancy time It evaluates the relationship between two dual channel evaluations whereas the discrepancy time refers to the individual channels of a dual channel evaluation The input signal pairs have to observe the following rules with regard to the synchronisation time Ifthe status of a dual channel input pair changes the status of the other input pair has to adopt an equivalent status before the synchronisation timer expires Inthe process neither of the two dual channel evaluations may have a discrepancy error or other errors f the synchronisation time expires before the equivalence state is reached the Synchronisation Error output changes to Active In the case of function blocks with synchronisation time parameter except for two hand control the Fault Present output also changes to Active when a synchronisation time error occurs Both input pairs have to return to the status Inactive in order to delete a synchronisation time error Active 1 Dual c
159. n test No function Function test required test Discrepancy Time Can be set separately for the inputs 1 2 and 3 4 30 ms Pair 1 Pair 2 Values Inactive 0 ms 10 ms to 30 000 ms in 10 ms steps If used the set discrepancy time has to be greater than the scan time of the MELSEC WS safety controller Synchronization Inactive 0 ms 10 ms to 30 000 ms in 10 ms 300 ms Time steps If used the set synchronization time has to be greater than the scan time of the MELSEC WS safety controller 91 Logic programming Function blocks MELSEC WS Table 45 Output of the Safety Gate Monitoring function block Figure 62 Sequence timing diagram for the Safety Gate Monitoring function block Category 2 single channel with function test If both inputs of a dual channel input are connected to the same input bit the function block evaluates this as an external dual channel evaluation by the distributed I O device In this case the function block behaves as follows The value of the Input 2 is ignored Any discrepancy time configured for the input pair is ignored For further information on these parameters refer to Section 6 3 and Section 6 4 Output of the function block The following additional error outputs are available Optional output connections of the function block Discrepancy Error Pair1 Discrepancy Error Pair2 Function Test Required Synchronization Error
160. n the hazardous area before and during the activation of an override Before you activate the override ensure that the equipment is in a perfect condition in particular the muting sensors visual inspection When it has been necessary to activate an override subsequently check whether the equipment functions properly and the layout of the muting sensors Logic programming Function blocks MELSEC WS During long muting cycles i e longer than 24 hours or during longer machine downtimes check that the muting sensors function correctly A muting and or override lamp has to be used in order to signal that the muting or override function is active It is possible to use an external muting override lamp or one that is integrated in the protective device ESPE Always position the muting or override lamp so that it can be seen well It must be possible to see the muting or override lamp from all the positions around the hazardous area and for the system operator f safety relevant information i e distributed safety input values and or safety output values is transferred via a safety field bus network always take the corresponding delay times into account These delay times can influence both the system behaviour as well as the requirements for the minimum safety distances that are connected to the response times When an Override input is configured test pulse outputs may not be used for the configuration of the safety inputs
161. n the scan time of the MELSEC WS safety controller For further information on these parameters refer to Section 6 3 and Section 6 4 Logic programming Function blocks Table 43 Output of the Light Curtain Monitoring function block Output of the function block The following additional error outputs are available MELSEC WS Optional output connections of the function block Discrepancy Error Fault Present In order to allow access to these output connections increase the number of outputs on the In Out Settings tab of the function block properties 90 MELSEC WS Logic programming Function blocks 6 6 5 Application specific function block Safety Gate Monitoring Function block diagram Figure 61 Input 1 Pair 1 Function block diagram for the function block Safety Gate Monitoring g Output Enable Input 2 Pair 1 g g Fault Present General description In as far as configured the Fault Present output can also be monitored by connection to the function block Input parameters of the function block Table 44 Parameter Possible parameter values Default Input parameters of the Inputs single channel dual channel Safety Gate Monitoring function block dual channel equivalent 1 pair equivalent dual channel complementary 1 pair 1 pair dual channel equivalent 2 pairs dual channel complementary 2 pairs Function Test No functio
162. nal connections of function bIOCKS ceee 44 Function block input CONNECTIONS ccccceceeeeeeeeceeceeeeeeeeeenteeeeeeeeetees 44 Single channel evaluation eccceeeeeeeeeeeeeeeeeneeeeeeseeeeeeeneeeeeenaeeeeeeaas 45 Dual channel equivalent 1 pair evaluation eeeeeeeeeeeneeeeeeeneees 45 Dual channel complementary 1 pair evaluation eeeceeeeeeeerees 46 Dual channel equivalent 2 pairs evaluation cc ceeeeeeeeesteeeeeenaes 47 Dual channel complementary 2 pairs evaluation cceeeeeeeeeees 48 Output connections of the function DIOCK cccccceeeseeceeeeeeeteeeetaeees 51 Parameterisation of function DIOCKS ccceceeeeeeeeeeeeeeeteteeeeetteeeeetnaeeeeees 52 Discrepancy TMG re ss es secede tale geis catageee EE aes teeta 53 SyNchronisation time scire a e E E a 55 Fault Presents r E a E eh See eee 56 Logic TUNCION DOCKS i a EE ORE a 57 Logic function block NOT oesinicinrsaian i a 57 Logic function block AND sssssssessssrsseerrsserrssrirrssttrrssttnnssttrnssrrrssteens 58 Logic function block OR ssssssssssrssssrrssserrssrtrrssttrrssttrrssttnnssttnnssttnnssrenn 61 Logic function block Exclusive OR XOR eceecceeeeeeeeeeeenteeeeeeneeeeeeaas 64 Logic function block Exclusive NOR XNOR eecceceseeeteeeteeteeeeeeeeees 65 Function block Log Generator 00 ccceceeeceeceeeeneeeeeeeeeeseeeeeeeseeaeeeeeenaees 66 Logic function block Routing 1 N oo eee
163. nctions of the machine or system completely and ensure that the safety functions function perfectly In order to prevent unintentional overwriting of the configuration activate the write protection of the configuration parameters of the MELSEC WS safety controller Modifications are only possible if the write protection has been deactivated 218 MELSEC WS Troubleshooting and error elimination 11 Troubleshooting and error elimination Table 91 Error Error message Cause Remedy Errors and Gror When Setting and Monitoring Microsoft NET Install a suitable version of P inaNon Tool is started the following or Framework is not Microsoft NET Framework Ask your a similar error message is installed on the system administrator if appropriate displayed DLL not found the PC NET Framework is available for Dynamic Link Library downloading on the internet pages of mscoree dll was not found in Microsoft the specified path Note Specify the registration key Install NET Framework 2 0 or later HKLM Software Microsoft NET for Windows XP and Windows Vista Framework InstallRoot so that it refers to the installation location of the NET Framework 219 Annex 12 Annex Table 92 List of function block status in simulation mode MELSEC WS 12 1 List of function block status in simulation mode Table 92 lists the function block status displayed in the FB Preview window Function block st
164. ng muting with two sensors with crossed layout muting with four sensors with a parallel layout of two sensor pairs muting with four sensors with a sequential layout of two sensor pairs Logic programming Function blocks MELSEC WS Note ATTENTION Since muting bypasses the safety functions of a protective device several requirements have to be fulfilled as shown below in order to ensure the safety of the application The muting cycle is the specified sequence of all processes that are executed during muting The cycle begins when the first muting sensor is activated The cycle ends depending on the configuration in the function block for the muting end condition It is not possible to activate muting again until the preceding muting cycle has been terminated Material can be transported several times within one muting cycle if the muting conditions are maintained permanently in the process meaning that at least one pair of sensors remain activated permanently The general safety regulations and protective measures have to be observed If you use muting be sure to observe the following information about the correct use of muting Access to the hazardous area has to be detected reliably by the ESPE or be excluded through other measures It has to be impossible for a person to pass by pass over pass under or cross the ESPE without being detected Observe the manual of the ESPE for the correct installation and us
165. ng the Logic CItOr eee eeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeteeeaees 29 4 7 Report standard VieW ccccceceecceceeeeeseeeeaeeeeeeeeesecenaeceeeeeeesenseneeeeeereess 30 4 7 1 Exercise for the Report standard View ccccccssseceeceeeeeeeseseeneeeeees 30 4 8 Diagnostics standard view ccccceeccceeeseeeeeeeeeneeeeeeeeeeeetieeeeetieeeeetneeeeee 30 5 1 5 1 1 5 2 5 3 5 4 5 5 6 1 6 2 6 3 6 3 1 6 3 2 6 3 3 6 3 4 6 3 5 6 3 6 6 3 7 6 4 6 4 1 6 4 2 6 4 3 6 5 6 5 1 6 5 2 6 5 3 6 5 4 6 5 5 6 5 6 6 5 7 6 5 8 6 5 9 6 5 10 6 5 11 6 5 12 6 5 13 Connecting to the MELSEC WS safety controller cc eeeeeeeceeeeeeeeeeneees 31 First steps for establishing a CONNECTION 0 00 0 ceeeeteeeeeeeteeeeettteeeeetteeeeees 31 Connecting the PC to the MELSEC WS safety controller via RS 232 31 Editing the communication settings ceceeceeeeeeeeeeneeeeteeneeeeeeneeeeeennaees 33 Establishing a connection with the MELSEC WS safety controller 37 User levels in the Setting and Monitoring Tool 0 c cceseeeeeeeeeeeeeeeeneees 38 ldentify projects te ei nih ei atelier atin 39 Logic programming Function DIOCKS 0 c cceceeeseeeeeeeeeeeeeeteieeeeeeneeeerend 40 Function Block OVErViCW ceeeeeeeeeeeeeeeeeneeeeeeeneeeeesaeeeee a a ae 41 Function block properties cccccceeeeeeeeeeeceeeeeeeseceeeaeeeeeeesetennaneeeeeeeneees 43 Input and output sig
166. nnection is not possible The configuration of your safety controller project may not be validated If you try to activate the force mode although the configuration has been already verified a dialog appears that allows you to reset the status to Not verified Click on Connect to establish a connection to your MELSEC WS safety controller In the Hardware configuration view click on the Start application button If you have not yet logged in as Authorized client you will be prompted now to do so Go to the Logic editor view and click on the Start force mode button A dialog is opened where you can enter the time after which the force mode will be automatically left if no actions are taken 200 MELSEC WS Logic programming Function blocks Figure 145 Set Force Parameter Dialog window when starting force mode Start Force Mode Force mode is a safety critical functionality You can select the time after which the force mode is terminated unless it is retriggered by using force actions in the Designer Mi Device in Force Mode nines Choose the desired time span from the drop box list and click OK Force mode will be activated and the background colour of the logic editor changes to orange Figure 146 Logic editor with force mode activated How can I print a report How can diagnose my project How can find the product in the Internet ents Elements C Net
167. nnel and only at the machine at which it was mounted and initially commissioned by qualified safety personnel in accordance with the MELSEC WS manuals Mitsubishi Electric Corporation accepts no claims for liability if the software or the devices are used in any other way or if modifications are made to the software or the devices even in the context of mounting and installation Observe the safety instructions and protective measures of the Safety Controller User s Manual and this manual When implementing a safety relevant functional logic ensure that the regulations of the national and international rules and standards are observed in particular the controlling strategies and the measures for risk minimisation that are mandatory for your application When mounting installing and using the MELSEC WS safety controller observe the standards and directives applicable in your country The national and international rules and regulations apply to the installation and use as well as commissioning and periodic technical inspection of the MELSEC WS safety controller in particular Machinery Directive 98 37 EC from 29 12 2009 Machinery Directive 2006 42 EC EMC Directive 2004 108 EC Provision and Use of Work Equipment Directive 89 655 EEC and the supplementary Directive 35 63 EC Low Voltage Directive 2006 95 EC Work safety regulations and safety rules The Safety Controller User s Manual and this
168. ns on the Ethernet interface module configuration please see the Safety Controller Ethernet Interface Module User s Manual Click on the Add TCP IP Profile button The Create new profile dialog is opened Create new profile Entry name IP Address Search for devices fi Scan MAC Address IP Address Device name Click on the Scan button Your network is scanned for connected network modules and the network modules found are displayed in the list Connecting to the MELSEC WS safety controller Figure 12 List of the found network modules Table 2 Status symbols for connection profiles MELSEC WS Greate new profile Entry name WSO GETH IP Address 192 168 250 250 Search for devices fe Scan IP ddress 192 168 250 250 Device name GETH MAC Address 00 06 77 02 05 5F Click on the desired network module The IP address of the device is displayed in the IP Address field Enter a name for the new profile Click OK The dialog is closed and the new profile is displayed in the list To activate the new profile select it using the left mouse button and click on the green arrow symbol at the right From now on the Setting and Monitoring Tool will use this profile How to check a profile Click on the green tick on the right side of the profile to be checked To check all profiles click on the Chec
169. nse time of the light curtain or the muting sensors in the MELSEC WS safety controller see the Safety Controller User s Manual Material flow is possible in both directions in this example In order for materials to be moved in both directions place the intersection of the muting sensors exactly in the course of the light beams of the ESPE in order to move material in one direction only place the intersection with regard to the direction of the transport behind the light beams of the ESPE see Section 6 7 10 The sensor layout shown in this example is suitable for both through beam photoelectric switches and photoelectric reflex switches Avoid mutual interference of the sensors Increase the protection against manipulation and the safety level by using the following configurable functions Concurrency monitoring Monitoring of the muting total time Mating end via ESPE The wiring of devices is described in Section 6 7 5 Logic programming Function blocks MELSEC WS Sequence timing diagram The function block requires that a valid muting sequence takes place Figure 96 shows an example of a valid muting sequence based on the parameter basic setting for this function block Figure 96 Valid muting sequence A1 Loo using the configuration basic setting n a as 1 ee C1 Input without A2 Override Input without ESPE OSSD SS FF Conveyer Input without Output Enable a Muting Error
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171. o account when you evaluate the transferred data in the programmable controller Leaving force mode The force mode can be left in the following ways Manually through the user Automatically after the defined time delay Automatically after 30 seconds if the MELSEC WS safety controller detects an error e g if the connection to the PC is interrupted When the force mode is left the safety controller switches all outputs to Low and the active application is stopped Ensure that no dangerous situation can occur when leaving force mode Ensure that your machine or system is transferred to a safe state when leaving force mode and can not be damaged While force mode has been active the actual state of an input may have changed e g button pressed safety door opened etc Ensure that this can not cause any dangerous situation before restarting your machine or system Click on the Stop force mode button A safety message will appear Click on Yes to confirm and leave the force mode or click on No to keep the force mode active After the time defined on starting the force mode has expired force mode will be automatically left if no force action e g forcing of an input has taken place In force mode a timer in the top right corner shows the time remaining until force mode is automatically left Each action resets this timer You can also reset the timer using the Trigger force mode button on its left A dialog is displaye
172. oad to value All the further Down counting pulses are ignored until a valid Reload input state occurs If the input Reload changes from Inactive Low to Active High to Inactive Low in accordance with the Min reload pulse time the counter value is reset to the reload value irrespective of whether 0 has been reached or not Overflow Limit The Overflow Limit determines the upper limit of the internal counter When the internal counter reaches the value of the overflow limit i e the upper limit the Overflow output changes to Active High until a valid reset sequence occurs If the Counter Reset is configured to Automatic reset to 0 the Overflow output becomes Active High for the duration of a control cycle The controller cycle time is calculated by means of the Setting and Monitoring Tool The valid values for the Overflow Limit lie between 1 and 65 535 The default is 1 000 Reload Value The Reload Value determines the initial value of the internal counter for applications in which counting is carried out downwards When the internal counter reaches 0 i e the lower limit the Underflow output changes to Active High until a valid Reload sequence occurs If the Counter Reload is configured to Automatic reload to value the Underflow output becomes Active High for the duration of a control cycle The controller cycle time is calculated by means of the Setting and Monitoring Tool The valid values for the
173. ock Details dialog click OK to confirm your changes and to leave the dialog The selected Grouped Function Block will appear in the function block list as a Customized Function Block and will be available in all new projects on the same PC Function Block Logic Function Block Press Muting Others amp Customized Function Blocks Machinel Once a Customized Function Block has been placed on the worksheet its content is displayed on a new page In the example the name of the Customized Function Block is Machine 1 The worksheet for the Customized Function Block is displayed orange The Customized Function Block can not be edited 194 MELSEC WS Figure 140 Page created for the new Customized Function Block Note Figure 141 Icons for the Grouped Function Block and for the Customized Function Block 195 Logic programming Function blocks In Out Summary Page Page 1 Machine1 a 4 J mE s XTIO 1 112 E Stop ES Gh i hvtachine1 A Grouped Function Block contains a small pencil icon in the upper right corner indicating that it can be edited The Customized Function Block contains a padlock indicating that it is locked against modification i H 5 F Ej Ej E Grouped function block CS E block How to edit a Customized Function Block Open the Customized Function Block s page by clicking on its tab
174. ocks The Run up Cam signals have to conform to your risk analysis If a single channel signal with or without testing is used for the Run up Cam an error can cause an Active High signal You can avoid this by using two Overrun Cam signals and evaluating these as a dual channel input with discrepancy time monitoring If you use this signal take the standards and regulations to be applied into consideration in accordance with your risk analysis and avoidance strategy A different test pulse signal has to be used for each monitored input The input signals for the Overrun Cam Run up Cam and Dynamic Cam have to accord with Figure 98 Dynamic Cam Overrun Cam Run up Cam 270 NP ooo ed 90 180 Overrun Cam The signal of the Overrun Cam allows the function block to monitor the overrunning of the press When the press reaches the top dead center indicated by the transition of the Overrun Cam signal to Active High the corresponding Top output signal stops the press An Overrun Error occurs when the press has not started again i e the Control input remains Inactive Low and the Overrun Cam changes from Active High to Inactive Low i e falling edge An Overrun Error can only be reset by a valid restart sequence Logic programming Function blocks MELSEC WS Run up Cam The rising edge of the Run up Cam indicates the beginning of the Run up part of the press cycle This Up signal ends wit
175. oducts d Repairs of Products located outside of Japan are accepted by MELCO s local authorized service facility centers FA Centers Terms and conditions on which each FA Center offers repair services for Products that are out of warranty or not covered by MELCO s limited warranty may vary Subject to availability of spare parts MELCO will offer Product repair services for 4 years after each Product model or line is discontinued at MELCO s or its FA Centers rates and charges and standard terms in effect at the time of repair MELCO usually produces and retains sufficient spare parts for repairs of its Products for a period of four 4 years after production is discontinued MELCO generally announces discontinuation of Products through MELCO s Technical Bulletins Products discontinued and repair parts for them may not be available after their production is discontinued b C d e f properties or other characteristics of the equipment systems or production lines into which the Products may be incorporated including any safety fail safe and shut down systems using the Products MELCO is not responsible for determining the suitability of the Products for their intended purpose and use including determining if the Products provide appropriate safety margins and redundancies for the applications equipment or systems into which they are incorporated Customer acknowledges that qualified and experienced pe
176. of the function block Parameter Possible parameter values Default Restart Interlock without always when On Start or EN1 is inactive when Top is active or EN1 inactive always EN2 input with with without Single Stroke Protection with with without Min restart pulse time 100 ms 100 ms 350 ms Ensure that the transitions of the signals for restarting fulfil the requirements In case of a short circuit to High to 24 V DC at a physical input the evaluated signal can have a pulse when the signal is reset due to the short circuit detection If such a pulse can result in a hazardous state in the machine the following points have to be observed Protected cable laying for the signal line due to cross circuiting to other signal lines No short circuit detection i e do not reference to test outputs Logic programming Function blocks MELSEC WS Input signals of the function block The function block Press Setup supports the following input signals On Start The On Start input signal is used to indicate the beginning and the end of the press movement A rising edge i e transition from Inactive Low to Active High at the On Start input signals a start of the press An Inactive Low On Start input signals a stop of the press If Restart Interlock is set to When On Start or EN1 is inactive a valid restart sequence is required after a stop that was caused by an Inactive Lo
177. on Description C1 amp A1 amp A2 Signal C1 always has to be activated before both muting sensors of the first sensor pair e g A1 and A2 become Active A1 amp A2 Muting applies as long as this condition is fulfilled and the requirement mentioned above existed Logic programming Function blocks MELSEC WS Note Equations and prerequisites for calculating the distance L 2VvVx Tin Muting sensor vxt gt L L3 L3 gt L4 Tin Light curtain lt Tin Muting sensor Where L4 Minimum distance between the detection line of the ESPE and the detection by A1 A2 L Distance between the two detection lines of the sensors sensors activated sensors free L Length of material in conveyor direction L Maximum distance between C1 and the detection line of A1 A2 v Velocity of the material e g of the conveyor belt t Set Muting Total Time s TIN Light curtains TIN Muting sensor Response time of the light curtain or the muting sensors in the MELSEC WS safety controller see the Safety Controller User s Manual Material flow is only possible in one direction in this example In order to move material in both directions i e bidirectionally place the intersection directly in the light beams of the ESPE see Section 6 7 11 The sensor layout shown in this example is suitable for both through beam photoelectric switches and photoelectric reflex switches Avoid mutual interference of the sensors
178. on of material during muting 119 Logic programming Function blocks Muting must be triggered by at least two independently wired signals e g by muting sensors and may not depend completely on software signals e g from a programmable controller The muting condition has to be terminated immediately after the passage of the object so that the protective device returns to its normal state that was bypassed by muting i e so that it comes back into force The muting sensors have to be positioned in such a way that muting cannot be triggered unintentionally by anyone see Figure 82 A It may not be possible to activate sensors lying opposite each other simultaneously B It may not be possible to activate sensors mounted next to each other simultaneously Always position the muting sensors in such a way that only the material is detected and not the conveyance means pallet or vehicle Transported material Conveyance means Transport level Muting sensor Always position muting sensors in such a way that the material can pass unimpeded but persons are detected reliably Always position the muting sensors in such a way that a minimum distance to the detection area of the ESPE e g to the light beams of a light curtain is observed while the material is being detected It has to be ensured that no persons are withi
179. or OR evaluation with two inputs 61 Logic programming Function blocks 6 5 3 Logic function block OR Function block diagram Input 1 Input 2 Input 3 Input 4 Input 5 Input 6 Input 7 Input 8 Output 1 General description The output is Active if any one of the evaluated inputs is Active Up to eight inputs are evaluated Truth table See below for truth tables for one to eight inputs These truth tables use the following designations 0 means logic Low or Inactive 1 means logic High or Active x means any 0 or 1 Truth table for OR evaluation with one input Input 1 Output 1 0 0 1 1 Truth table for OR evaluation with two inputs Input 1 Input 2 Output 1 0 0 0 1 x 1 x 1 1 Logic programming Function blocks Table 22 Truth table for OR evaluation with three inputs Table 23 Truth table for OR evaluation with four inputs Table 24 Truth table for OR evaluation with five inputs Table 25 Truth table for OR evaluation with six inputs Truth table for OR evaluation with three inputs Input 1 Input 2 Input 3 Output 1 0 0 0 0 1 xX X 1 Xx xX 1 xX xX 1 1 1 Truth table for OR evaluation with four inputs Input 1 Input 2 Input 3 Input 4 Output 1 0 0 0 0 0 1 xX xX
180. ossed sensors in which the material has to be moved in both directions The optional signal C1 is not used in this application example Ensure that the muting sensors detect only the moved material Ensure that the muting sensors are positioned in such a manner that no one can enter the hazardous area by fulfilling the muting conditions meaning that they activate both muting sensors and thus create the required conditions for muting Hazardous area Transported material ESPE e g safety light curtain 144 MELSEC WS Table 77 Conditions for muting with two sensors and optional signal C1 crossed layout of the sensors Note 145 Logic programming Function blocks Input conditions for muting sensors Condition Description A1 amp A2 Muting applies as long as this condition is fulfilled and furthermore the requirements mentioned above existed Equations and prerequisites for calculating the distance L 2Vv x Tin Muting sensor vxt gt Lot Ly Tin Light curtain lt Tin Muting sensor Where L4 Minimum distance between the detection line of the ESPE and the detection by A1 A2 L2 Distance between the two detection lines of the sensors sensors activated sensors free L Length of material in conveyor direction v Velocity of the material e g of the conveyor belt t Set Muting Total Time s TIN Light curtain TIN Muting sensor Respo
181. pauses when the Conveyer input is Active High indicating that the conveyor belt has stopped The values for the Muting Total Time lie between 0 and 3600 seconds If the Muting Total Time is set to 0 monitoring is not carried out The default is 5 seconds 124 MELSEC WS 125 Logic programming Function blocks Add Muting Time when ESPE is clear The Add Muting Time when ESPE is clear parameter is used when the Muting End parameter has been configured as after ESPE is clear of obstruction If the ESPE does not always detect the muting end exactly because of irregularities in the material or the transport means you can increase the availability of the machine by configuring an additional muting period up to 1000 ms Only in this case does the Add Muting Time when ESPE is clear parameter determine the additional muting period after the OSSDs of the ESPE have returned to Active High i e that the safety light curtain is no longer interrupted Valid values are O ms 200 ms 500 ms and 1000 ms The default is 0 ms Concurrency monitoring time The Concurrency monitoring time is used to check whether the muting sensors are activated simultaneously This value specifies the maximum duration for which the two dual channel evaluated muting sensor inputs may have invalid states without this being evaluated as an error For example A1 and A2 or B1 and B2 must have adopted an equivalent state before the concu
182. possible cycle time Logic programming Function blocks Figure 143 Simulation mode started simulation off MELSEC WS Safety Controller Setting and Monitoring Tool 1 2 0 New Project E How can use the message generator D report D grouped amp customised function blocks How can I minimize my reaction time 4 4ms 20ms 40ms 200ms 400ms 4 00 00 2c6 960 Page 1 Function Blocks Execution Time Used 2 Used 19 Total 255 Total 4ms menace y C4000 Safety Light Curtain Type 4 XTIO 1 1314 C4000 Manufacturer SICK AG Internal tem number Description Module Name XTION Module Address 1 Used on page Page 1 1 In Out Summary Page 3 KTO Reset Machine Operator 130ffline A Designer configuration is not verified While the simulation is running you can activate an input by clicking on it Activated again Multiple inputs can be selected and deselected in this way inputs will be displayed green with a blue frame Another click will deactivate the input 198 MELSEC WS Logic programming Function blocks Figure 144 Simulation mode started simulation running Safety Controller Setting and Monitoring Tool 1 2 0 New Project EE D first steps with logic editor How can simulate the configuration E How can Iuse the message generator D report Page 1 grouped amp customised function blocks D How can minimize my react
183. put signals up to Category 3 if a dual channel input with the same test pulse source for both input channels is used Input signals up to Category 4 if a dual channel input with different test pulse sources for both input channels is used Input signals up to Category 4 if two dual channel inputs with different test pulse sources for both input channel pairs is used Output signals up to Category 3 if single channel safety outputs with or without test pulses are used and the necessary requirements for avoiding errors are fulfilled Output signals up to Category 4 if single or dual channel safety outputs with test pulses are used Consult the applicable bodies of rules and regulations as well as standards When implementing a safety relevant functional logic verify that the controlling strategy and measures for risk minimization fulfil the regulations of the national bodies of rules and regulations Consult these bodies of rules and regulations as well as standards in order to determine the requirements that have to be fulfilled by your application 50 MELSEC WS 51 Logic programming Function blocks 6 3 7 Output connections of the function block Function blocks provide various output signal connections for connecting to physical outputs or to other function blocks Possible output signal connections are depending on the function block Output Enable Static Release Fault Present Discrepancy Error Synchronisation E
184. range an allowable range of an input value 2 input field a field where a value is input within the input range 3 set parameter a configured value The value calculated as follows is displayed Configured value Value input to the input field x 10 ms Logic programming Function blocks MELSEC WS Note Note 6 3 Input and output signal connections of function blocks Some devices offer a pre evaluation that makes the use of a special function block with the same evaluation function superfluous Then you do not have to carry out this evaluation again in the logic 6 3 1 Function block input connections The MELSEC WS safety controller supports applications up to SIL3 in accordance with EN 62061 and Performance Level PL e in accordance with EN ISO 13849 1 Possible sources for function block inputs are one or two safety signals connected locally to the MELSEC WS safety controller You can choose between the following input evaluations depending on the function block Single channel Dual channel Dual channel equivalent 1 pair Dual channel complementary 1 pair Dual channel equivalent 2 pairs Dual channel complementary 2 pairs The following truth tables summarize the internal evaluation for the individual types of input signal evaluations of the MELSEC WS safety controller Truth table The following applies for the truth tables in this section 0 means logic Low or Inactive
185. reload value lie between 1 and 65 535 The default is 1 000 Min restart pulse time and Min reload pulse time The Min restart pulse time determines the minimum duration of the Active High share of an Inactive to Active to Inactive sequence that resets the value of the internal counter to 0 Valid values are 100 ms and 350 ms The default is 100 ms The highest valid restart pulse duration amounts to 30 s cannot be configured Logic programming Function blocks Table 38 ATTENTION Truth table for the function blocks Event Counter Up Down and Up and Down MELSEC WS Ensure that the transitions of the signals for resetting to 0 or value fulfil the requirements In case of a short circuit to High to 24 V DC at a physical input the evaluated signal can have a pulse when the signal is reset due to the short circuit detection If such a pulse can result in a hazardous state in the machine the following points are to be observed Ensure protected cable laying for the signal line due to cross circuiting to other signal lines Do not reference for short circuit detection i e not test outputs Truth table for the function blocks Event Counter Up Down and Up and Down The following applies for the truth table in this section 0 means logic Low or Inactive 1 means logic High or Active t means that a rising edge has been de
186. revent access to movements entailing hazards Press systems with a configuration that would allow a person to enter to cross through and to leave the protective field of an ESPE are not permitted for PSDI mode This function block defines a specific sequence of events that trigger a press cycle Breaks are defined as the transition from Active High to Inactive Low to Active High of the PSDI input signal In PSDI mode of a press an indirect manual triggering of a press cycle is carried out based on a predefined number of breaks in the ESPE If the ESPE e g safety light curtain detects that the operating movements of the operator related to the insertion or removal of parts have ended and that the operator has withdrawn all body parts from the protective field of the ESPE the press may trigger automatically The N Break function block can be used in connection with the function blocks Universal Press Contact or Press Single Stroke and an input for a safety light curtain The Output Enable signal of this function block controls for example the On Start input of a function block Press Single Stroke The N Break function block checks whether the start sequence is valid and when the break counter or the function block have to be reset Logic programming Function blocks Table 88 Input parameters of the N Break function block When the Max Up stroke Muting time is set to 0 upstroke muting is not poss
187. ring should be triggered at or near 180 The filled section of the innermost ring shows the ideal BDC signal The hatched section shows other possible values for BDC BDC is Active High in the filled and in the dark hatched section of the innermost ring The bright hatched section is only permissible if all three contacts TDC BDC and Overrun Cam input are used BDC should be Inactive Low during the remaining press cycle The rising edge i e the transition from Inactive Low to Active High may not be effected before the falling edge i e the transition from Active High to Inactive Low of the Overrun Cam input has occurred in the preceding press cycle The falling edge i e the transition from Active High to Inactive Low of BDC has to occur under one of the following conditions Before or while the TDC signal changes to Inactive Low if Overrun Cam is configured as not used or Before during or after the TDC signal changes to Inactive Low but before the falling edge i e transition from Inactive Low to Active High of the Overrun Cam input if the latter is configured as used The rising edge i e transition from Inactive Low to Active High of the Overrun Cam outermost ring has to occur before the TDC becomes Inactive Low The falling edge i e the transition from Active High to Inactive Low has to occur after the TDC signal has changed to Active High The filled section of the oute
188. rkpieces are moved automatically to and from the press but where a manual tool change is still required for which for example a safety door has to be opened The function block can generate a stop signal for the press i e Output Enable changes to Inactive Low and enable the gate after a stop has been carried out ina position in which the tool can be changed easily e g in the top position Input parameters of the function block Parameter Possible parameter values Default Restart Interlock after stop with with condition without Stop request with Off Stop input active with Off Stop with On Start input inactive input active Up input with with without EN2 input with with without Min restart pulse time 100 ms 100 ms 350 ms Logic programming Function blocks MELSEC WS ATTENTION Ensure that the transitions of the signals for restarting fulfil the requirements of the safety standards and regulations In case of a short circuit to High to 24 V DC at a physical input the evaluated signal can have a pulse when the signal is reset due to the short circuit detection If such a pulse can result in a hazardous state in the machine the following points have to be observed Ensure protected cable laying for the signal line due to cross circuiting to other signal lines No short circuit detection i e do not reference to test outputs Input parameters and input signals
189. rmost ring shows the ideal Overrun Cam signal The hatched section shows other possible values for the Overrun Cam The Overrun Cam input is Active High in the filled and hatched section of the outermost ring Overrun Cam input should be Inactive Low during the remaining press cycle Only one Active High signal is permissible for Overrun Cam input per press cycle If one of the above mentioned conditions is not fulfilled correctly during operation Release becomes Inactive Low fail safe and the Contact Error output becomes Active High A valid restart sequence is necessary before Release can return to Active High 158 MELSEC WS Table 82 Possible output signals for the function block Universal Press Contact Figure 107 Top signal 159 Logic programming Function blocks Disable Monitoring Using this optional input it is possible to deactivate the monitoring functionality under certain conditions This might be useful e g during the setup of the machine or when the press moves backwards If the Disable Monitoring input is Active High the Release signal of the function block Universal Press Contact is Inactive Low Output signals of the function block The following table describes the outputs that can be available depending on the configured input signals Outputs Contacts Relace TOP Up Resan Contact Overrun Required Error Error TDC a m E TDC Overrun E
190. rogramming Function blocks Contact Error output Several conditions apply for the use of the TDC BDC and Overrun Cam signal inputs These are if BDC is used and the number of the BDC signals per press cycle is set to 1 one BDC per cycle is required f Overrun Cam is set to without the falling edge has to occur at the BDC i e a transition from Active High to Inactive Low before TDC changes from Inactive Low to Active High if Overrun Cam is set to with the BDC signal may become Inactive Low after the TDC has changed from Inactive Low to Active High However it has to change from Active High to Inactive Low before Overrun Cam input changes from Active High to Inactive Low Only one TDC signal is allowed per press cycle this can only be detected if BDC and Overrun Cam are also used If itis used only one Overrun Cam signal per cycle is allowed The rising edge i e the transition from Inactive Low to Active High at the BDC may not occur before the falling edge i e the transition from Active High to Inactive Low of the Overrun Cam of the preceding cycle The rising edge i e Inactive Low to Active High of the Overrun Cam input has to occur before the TDC signal changes from Inactive Low to Active High The falling edge i e Active High to Inactive Low of the Overrun Cam input has to occur after the TDC signal has changed from Inactive Low to Active
191. rrency monitoring time has expired Concurrence monitoring begins with the first state change of an input of a muting sensor If the Concurrency monitoring time has expired and the two inputs of the connection have not adopted an equivalent state an error occurs If the concurrence monitoring determines an error for at least one input pair the function block indicates this error by setting the Muting Error output to Active High The range of values for Concurrency monitoring time lies between 0 and 3000 seconds If the Concurrency monitoring time is set to O concurrence monitoring does not take place is inactive If the Concurrency monitoring time is not equal to 0 the value is valid for both muting sensor pairs A1 A2 and B1 B2 and has to be higher than the execution time of the MELSEC WS safety controller Logic programming Function blocks MELSEC WS Table 65 Requirements for Sequence Monitoring Sensor signal gap monitoring Occasional Fault Present in the output signals of muting sensors that are not relevant for muting sometimes occur The configuration of a value for Sensor signal gap monitoring allows these brief Fault Present to be filtered out without muting being interrupted When Sensor signal gap monitoring is activated an Inactive Low signal from a muting sensor input is ignored for the duration of the set value for Sensor signal gap monitoring The function block continues to interpret this sign
192. rror Function Test Required EDM Error External Device Monitoring Error Reset Required Restart Required Output Enable 1 Output Enable 2 The output of a function block cannot be connected to several output elements physical outputs or EFI outputs but to several subordinate function blocks If you want to control several physical outputs with a function block use the Routing 1 N function block The output behaviour of the outputs listed above is explained at the description of the individual function blocks You can choose whether error and diagnostics outputs are displayed In the configuration basic setting of the function blocks only the Output Enable and some further outputs are selected e g Reset Required In order to display error and diagnostics outputs increase the number of outputs on the In Out Settings tab of the function block properties Logic programming Function blocks Figure 23 I O configuration of the Safety Gate Monitoring function block Note MELSEC WS El Safety Gate Monitoring Output Enable Discrepancy Eror Pair 1 Discrepancy Error Pair 2 Function Test Required Synchronization Error oeeo o E Function Test Eror o Ear o _ Fault Present Input 1 Pair 1 Output Enable Input 1 Pair 1 Input 2 Pair 1 ies Sree E Input 2 Pair 1 y 1 O disable Input 1 Pair 2 amp 10 ms 30 ms 10 ms 300 ms Input 2 Pair 2 Safety Gate Monitoring Safety Gate Monitoring I O se
193. rsonnel are required to determine the suitability application design construction and proper installation and integration of the Products MELCO does not supply such personnel MELCO is not responsible for designing and conducting tests to determine that the Product functions appropriately and meets application standards and requirements as installed or incorporated into the end user s equipment production lines or systems MELCO does not warrant any Product 1 repaired or altered by persons other than MELCO or its authorized engineers or FA Centers 2 subjected to negligence carelessness accident misuse or damage 3 improperly stored handled installed or maintained 4 integrated or used in connection with improperly designed incompatible or defective hardware or software 5 that fails because consumable parts such as relay batteries backlights or fuses were not tested serviced or replaced 6 operated or used with equipment production lines or systems that do not meet applicable and commensurate legal safety and industry accepted standards 7 operated or used in abnormal applications 8 installed operated or used in contravention of instructions precautions or warnings contained in MELCO s user instruction and or safety manuals technical bulletins and guidelines for the Products 9 used with obsolete technologies or technologies not fully tested and widely accepted and in use at the time of th
194. run Cam changes from Active High to Inactive Low Run up Cam has to be Inactive Low When Run up Cam changes from Inactive Low to Active High Overrun Cam has to be Inactive Low When Run up Cam changes from Active High to Inactive Low Overrun Cam has to be Active High If one of the above mentioned conditions is not fulfilled during operation the Release becomes Inactive Low fail safe and the Contact Error output becomes Active High The Release cannot be reset until a valid restart sequence has taken place i e transition from Inactive Low to Active High at least 100 ms or 350 ms maximum 30 s to Inactive Low Overrun Error output When Overrun Cam changes from Active High to Inactive Low the function block Eccentric Press Contact checks whether the Control input signal is Active High If the Control input signal is Inactive Low there is an Overrun Error Overrun Cam eo Ye TL Control on es el ee Release mnm ee Overrun Error S ee Logic programming Function blocks Figure 104 Example of a sequence timing diagram for Overrun Error with Dynamic Cam Table 80 Error states and information on restarting for the function block Eccentric Press Contact ATTENTION MELSEC WS Overrun Cam JUO TL Dynamic Cam T Oo Control cA Release L O Overrun Error n Error states and information on restarting Overrun Error
195. s of the safety standards and regulations In case of a short circuit to High to 24 V DC at a physical input the evaluated signal can have a pulse when the signal is reset due to the short circuit detection If such a pulse can result in a hazardous state in the machine the following points have to be observed Ensure protected cable laying for the signal line due to cross circuiting to other signal lines No short circuit detection i e do not reference to test outputs Input parameters and input signals of the function block The function block Press Single Stroke supports the following input signals On Start The On Start input signal is used to indicate the beginning and the end of the press movement A rising edge i e transition from Inactive Low to Active High at the On Start input signals a start of the press An Inactive Low On Start input signals a stop of the press If the On Start Mode parameter is set to start Only the press cannot be stopped by the On Start input signal If the On Start Mode parameter is set to stepping and Restart Interlock to when On Start EN1 or EN3 is inactive or always a valid restart sequence is required after a stop that was caused by an Inactive Low On Start input signal The Output Enable signal of a two hand control or of a N Break function block is particularly suitable for connection to the On Start input EN1 Static The input signal EN1 Sta
196. s configured to Manual reset to 0 and the overflow limit has been reached the Overflow output is set to Active High If the input Reset changes from Inactive Low to Active High and back to Inactive Low in agreement with the parameter Min restart pulse time the counter value is reset to 0 All the further Up counting pulses are ignored until a valid Reset input state occurs If the input Reset changes from Inactive Low to Active High to Inactive Low in agreement with the Min restart pulse time the counter value is reset to 0 irrespective of whether the overflow limit has been reached or not 80 MELSEC WS 81 Note Logic programming Function blocks Counter Reload The Counter Reload parameter determines what happens when the counter value reaches the value 0 If this parameter is configured to Automatic reload to value and the internal counter equals 0 the Underflow output becomes Active High for the duration of a control cycle The value of the internal counter is subsequently reset to the value in Reload value If the Counter Reload parameter is configured to Manual reload to value and the lower limit i e O has been reached the Underflow output is set to Active High If the input Reload value changes from Inactive Low to Active High and back to Inactive Low in accordance with the Min reload pulse time the value of the internal counter is reset to the value in Rel
197. s is fulfilled the Muting Error output returns to Inactive provided that no other error cause exists Parallel Muting Function block diagram muting specific error is Active ESPE OSSD Output Enable AL Muting Lamp Control Fa B1 gi Mating Status B2 g Override Required Override Conveyer Mating Error C1 134 MELSEC WS Figure 86 Muting with two parallel sensor pairs Table 74 Conditions for muting with two parallel sensor pairs 135 Logic programming Function blocks Representation of the application Figure 86 shows an example of the placement of sensors for muting with two parallel muting sensor pairs ESPE e g safety light curtain Hazardous area In this example the material moves from the left to the right As soon as the first muting sensor pair A1 amp A2 is activated the protective effect of the protective device ESPE is muted The protective effect remains muted until the muting sensor pair B1 amp B2 is free again Input conditions for muting sensors Condition A1 amp A2 or B1 amp B2 Description Starts the muting cycle The first sensor pair is activated depending on the direction of transportation of the material A1 amp A2 amp B1 amp B2 Condition for transferring the muting function to the second sensor pair B1 amp B2 or A1 amp A2 Muting applies as long as th
198. s no error Active if the Discrepancy Error is Active Logic programming Function blocks MELSEC WS Figure 67 Function block diagram for the function block Off Delay Timer Table 50 Input parameters of the function block Off Delay Timer Figure 68 Sequence timing diagram for the function block Off Delay Timer 6 6 7 Application specific function block Off Delay Timer Function block diagram Input g Output Enable General description The function block Off Delay Timer delays the switching off of the Output Enable signal by a specified duration The range for this delay amounts to 10 ms to 300 seconds adjustable in steps of 10 ms A delay period of 0 seconds is also valid and does not cause a delay If used the set delay time has to be greater than the execution time of the MELSEC WS safety controller If Input is Active the Output Enable output is also Active and remains Active until the Input changes to Inactive and the timer has expired after the defined period In the case of an Off Delay Timer the timer begins with the delay sequence when a transition of the input from Active to Inactive occurs Input parameters of the function block Parameter Possible parameter values Default Delay Time OFF delay time t 0 to 300 000 ms in steps of 10 ms If 0 ms used the set OFF delay time has to be greater than the execution time of the MELSEC WS safety controller
199. se of action arising out of breach of warranty or otherwise concerning the Products be brought by Customer more than one year after the cause of action accrues g Each of the limitations on remedies and damages set forth in these terms is separate and independently enforceable notwithstanding the unenforceability or failure of essential purpose of any warranty undertaking damage limitation other provision of these terms or other terms comprising the contract of sale between Customer and MELCO 4 Delivery Force Majeure a Any delivery date for the Products acknowledged by MELCO is an estimated and not a promised date MELCO will make all reasonable efforts to meet the delivery schedule set forth in Customer s order or the purchase contract but shall not be liable for failure to do So b Products stored at the request of Customer or because Customer refuses or delays shipment shall be at the risk and expense of Customer c MELCO shall not be liable for any damage to or loss of the Products or any delay in or failure to deliver service repair or replace the Products arising from shortage of raw materials failure of suppliers to make timely delivery labor difficulties of any kind earthquake fire windstorm flood theft criminal or terrorist acts war embargoes governmental acts or rulings loss or damage or delays in carriage acts of God vandals or any other circumstances reasonably beyond MELCO s control 5 Choice of Law
200. sensors can be configured directly in the Setting and Monitoring Tool by double clicking the icon or alternatively configured and verified locally at the sensor via the RS 232 interface For this purpose the SICK configuration and diagnostics software CDS is used The SICK configuration and diagnostics software CDS included in Setting and Monitoring Tool is the product of SICK For CDS please contact your local SICK representative see Annex Section 12 3 http www sens control com 32 MELSEC WS Figure 9 Connection settings dialog Table 1 Symbols for editing the connection profiles in the Connection settings dialog 33 Connecting to the MELSEC WS safety controller 5 2 Editing the communication settings Using the COM Settings command you can edit and delete existing and create new connection profiles To edit the connection settings the Setting and Monitoring Tool must be in offline mode f you are in online mode click on the Disconnect button to change into offline mode Click on COM Settings The dialog for editing the connection profiles is opened Connection settings Fy Add TCP IP Profile WP Check all profiles Network settings Standard Serial Port COM5 b Baudrate Auto scan Ethemet1 E TCP IP Address 169 254 122 229 3000 Port All existing connection profiles are displayed here The currently activated profile is marked light green and with bold typeface t
201. sequence is required Logic programming Function blocks Figure 121 Sequence timing diagram for a complete start sequence in standard mode in two cycle mode Figure 122 Sequence timing diagram for a complete start sequence in Sweden mode in two cycle mode MELSEC WS EN1 Static J Lo EN2 Start J Lo Restart es ee aes Output Enable LL EN1 Static J L EN2 Start J L Restart Ce a C E Output Enable n G After the initial complete start sequence has been completed and the press has completed a press cycle the Top input has to indicate that the press has currently reached the Top dead center This is indicated by a rising edge of the Top input i e the transition from Inactive Low to Active High When this happens the internal break counter is reset A cycle start sequence is required in order to trigger a subsequent cycle In this case Output Enable is set to Active High when the configured number of breaks has occurred and the remaining configured conditions have been fulfilled e g EN2 parameter can be configured as necessary for every start PSDI Time Monitoring The PSDI Time Monitoring parameter specifies the required time both for a complete start sequence and for a cycle start sequence If the PSDI time is exceeded the PSDI Timeout output changes to Active High In this case a complete start sequence is necessary so that Output Enable can return to Active High e g
202. ss Contact MELSEC WS Up output The rising edge of the Run up Cam input indicates the beginning of the Run up part of the press cycle This Up signal ends with a rising edge i e the transition from Inactive Low to Active High of the Overrun Cam For safety reasons there must not be a Up signal in case the press starts while the Run up Cam is Active High e g in the first cycle after switching on or after an error The second cycle begins when the Overrun Cam changes from Active High to Inactive Low Overrun Cam JL TL Run up Cam S es T eL TMT L TT Overrun Cam J Le a Run up Cam ey TnL N Dynamic Cam J e M L T The run up cycle is terminated when Dynamic Cam changes from Active High to Inactive Low This is indicated by the transition of Up to Inactive Low Error outputs The following additional error outputs are available Optional output connections of the function block Contact Error Overrun Error Fault Present 152 MELSEC WS Figure 103 Example of a sequence timing diagram for Overrun Error without Dynamic Cam 153 Logic programming Function blocks Contact Error output Several conditions apply for the Overrun Cam and Run up Cam input signals These are When Overrun Cam changes from Inactive Low to Active High Run up Cam has to be Active High or just have changed to Inactive Low during the current cycle When Over
203. ss after any kind of stop The Restart Interlock parameter can also be set to the following values when On Start EN1 or ENS is inactive when Top is active or EN1 or ENS inactive always when EN1 or EN3 is inactive This parameter determines when a Restart Interlock signal is expected as input signal for the function block Provide the Restart signal using the Restart function block so that a valid restart sequence will occur If Output Enable changes to Inactive Low because of the above mentioned settings of the configuration parameters for Restart Interlock Output Enable can only be reset after a valid restart sequence has been carried out i e the Restart input changes from Inactive Low to Active High 100 ms or 350 ms lt 30 s and back to Inactive Low Disable Restart Interlock for EN3 on Top The Disable Restart Interlock for EN3 on Top parameter prevents the restart interlock being activated if the EN3 Safety input changes to Inactive Low during a regular stop of the press This means that if the Disable Restart Interlock for EN3 on Top parameter is configured as Yes and the Output Enable output changes to Inactive Low as a result of the Top input changing to Active High then the Restart Required output will not change to Active High if the EN3 Safety input changes to Inactive Low as long as the press has not been restarted Logic programming Function blocks Figure 115 Sequence timing
204. state of an Active input 6 6 10 Application specific function block EDM External Device Monitoring Function block diagram EDM Feedback Monitored Input g General description The function block EDM checks the feedback signal of an external device that is present at its EDM Feedback signal input and verifies that it corresponds to the state of its Output 1 and Output 2 When the Fault Present is Inactive Output 1 and 2 are set in accordance with the value at Monitored Input e g of the Light Curtain Monitoring function block already described When Monitored Input is Active Output 1 and 2 are also Active When Monitored Input is Inactive Output 1 and 2 are also Inactive Output 1 and 2 control an external device e g a contactor When the state of Output 1 and 2 changes e g from Active to Inactive the EDM Feedback signal also has to be effected within a defined period i e TEDM This maximum EDM delay time amounts to 100 ms to 1 000 ms Logic programming Function blocks MELSEC WS Note Table 55 Input parameters of the function block EDM Table 56 Output of the function block EDM The EDM Feedback signal has to have the opposite state to that of Output 1 and 2 If Output 1 and 2 are Active the EDM Feedback signal has to be Inactive If Output 1 and 2 are Inactive the EDM Feedback signal has to be Active If the EDM Feedback signal does not follow a state change of Output 1 and 2 within the
205. stion Set device to verified if the displayed configuration is the expected configuration The safety controller is then considered to be verified The configuration of the connected elements for example EFI sensors is not included in the process Their verification is carried out in the same way as the configuration and verification via the serial interfaces of the devices 206 MELSEC WS Figure 150 Marking a device as verified 207 Transferring the system configuration as Upload and Verify Result os Report 2009 08 20 14 43 30 Configuration Installed software components Tool Version Basic components Station 1 2 0 60 Software component for CPUO and CPU1 main modules 1 2 0 60 Software component for GETH network modules 1 2 0 60 Software component for 4RO relay modules 1 2 0 60 Software component for XTDI and XTIO extension modules 1 2 0 60 General Information User group Authorized client Application name Overall Checksum CRC Ox253F9C4F Configuration date 8 20 2009 2 13 PM a Set device to verified If differences between the project data and the read back configuration data are detected a corresponding message including information about possible actions is displayed Verification of the configuration is not possible then Observe the information in the error message for the further procedure Terminate the dialog box by clicking Close Transferring the system configuration
206. support facilities or equipment incineration and fuel devices handling of nuclear or hazardous materials or chemicals mining and drilling and other applications where the level of risk to human life health or property are elevated MELCO SHALL NOT BE LIABLE FOR SPECIAL INCIDENTAL CONSEQUENTIAL INDIRECT OR PUNITIVE DAMAGES FOR LOSS OF PROFITS SALES OR REVENUE FOR INCREASED LABOR OR OVERHEAD COSTS FOR DOWNTIME OR LOSS OF PRODUCTION FOR COST OVERRUNS OR FOR ENVIRONMENTAL OR POLLUTION DAMAGES OR CLEAN UP COSTS WHETHER THE LOSS IS BASED ON CLAIMS FOR BREACH OF CONTRACT OR WARRANTY VIOLATION OF STATUTE NEGLIGENCE OR OTHER TORT STRICT LIABILITY OR OTHERWISE In the event that any damages which are asserted against MELCO arising out of or relating to the Products or defects in them consist of personal injury wrongful death and or physical property damages as well as damages of a pecuniary nature the disclaimers and limitations contained in these terms shall apply to all three types of damages to the fullest extent permitted by law If however the personal injury wrongful death and or physical property damages cannot be disclaimed or limited by law or public policy to the extent provided by these terms then in any such event the disclaimer of and limitations on pecuniary or economic consequential and incidental damages shall nevertheless be enforceable to the fullest extent allowed by law f In no event shall any cau
207. t How can I diagnose my project How can I find the product in the Internet Only modules with errors Module 0 Device Type code Serial number Version Hardware version Firmware version Operational status Module 13 Device Type code Serial number I Version Hardware version Firmware version Operational status Module 1 Device Type code Serial number Version Hardware version Firmware version Operational status cPLA WS0 CPU1 0850 0572 1 20 60 1 00 Y14110 Online GETH WS0 GETH 0910 0080 12 0 60 1 00 V 1 05 0 Online XTIO WS0 XTIO 0905 0060 1 20 60 1 00 v140 0 Online LAI A2 MITSUBISHI wA U XI X2 A1 A2J X1 X2 x3 nheoeew nen NS xTIO 567 8 E Modules 4g Elements Info Machine Operator Ii System Online W Device configuration is verified Valid configuration Executing Click Disconnect to go into the offline mode if you want to change the configuration of the MELSEC WS modules Note Configuration and verification of devices that are connected to the MELSEC WS safety controller is generally not carried out using the Setting and Monitoring Tool even if they can be addressed via an RS 232 interface of a MELSEC WS module These devices have their own mechanisms for configuration and verification An exception is EFI sensors connected to the WS0 CPU1 module EFI elements from the elements window These
208. t 1 0 Output 1 0 Input 2 0 Output 2 0 Input 3 Output 3 0 1 1 1 1 1 Error states and information on resetting Logic functions do not carry out monitoring for error conditions Logic programming Function blocks MELSEC WS Figure 40 Function block diagram for the function block RS Flip Flop Table 33 Truth table for the function block RS Flip Flop 6 5 9 Function block RS Flip Flop Function block diagram Set j O Output Reset 0 Output General description The function block RS Flip Flop stores the last value of the inputs Set or Reset It is used as a single storage cell The Reset signal has a higher priority than the Set signal If Set was Active last Q Output is Active and Q Output Q not Output is Inactive If the Reset input was Active last Q Output is Inactive and Q Output is Active Truth table for the function block RS Flip Flop The following applies for the truth table in this section 0 means logic Low or Inactive 1 means logic High or Active n 1 references the preceding value n references the current value Set Reset Qn 1 Output Qn Output IQ Output 0 0 0 0 1 0 0 1 1 0 0 1 0 0 1 0 1 1 0 1 1 0 0 1 0 1 0 1 1 0 1 1 0 0 1 1 1 1 0 1 Error states and information on resetting The function block RS Flip Flop does not carry out monitoring for error
209. t for longer than the configured discrepancy time Complementary evaluation Equivalent evaluation l T Input A 0 1 1 0 Input B 0 gt 4 t t dis dis 1 0 Monitoring of the discrepancy time starts with the first state change of an input After the discrepancy time has expired the safety oriented logic reports an error if both inputs of the connection have not reached an equivalent state where required or have not reached a complementary state where required Logic programming Function blocks Table 10 Input signals and process image after the discrepancy time has expired Note MELSEC WS The following truth table describes the discrepancy conditions for the dual channel equivalent and the dual channel complementary input evaluation Dual channel Input signal interface Input A Input B Status Equivalent 0 0 Inactive 0 1 Discrepant 1 0 Discrepant 1 1 Active Complementary 0 0 Discrepant 0 1 Inactive 1 0 Active 1 1 Discrepant Input signals furthermore have to observe the following rules with regard to the discrepancy time The discrepancy time cannot be monitored for a single channel input i e it is Inactive irrespective of the parameter settings In order to delete a discrepancy time error the dual channel evaluation of the input has to return to the Inactive status The valid states are listed in the t
210. t standard view 9 1 Creating a report In the Report standard view a comprehensive report on the current project and all configuration settings including the logic program and the wiring is available You can individually configure the contents of the report Additionally you can enter notes on your project How to create a report Click on the Report button to open the Report standard view Safety Controller Setting and Monitoring Tool 1 2 0 New Project S Documentation a BoM Report 2009 09 07 15 09 07 Bill Of Material Detail View S M Diagnostics ummary S Project Abstract roject Notes 2 Configuration CPU 4 V O Module Network module M A Xt X2 At AQ XI X2 x3 xg MITSUBISHI C e Ms XTDI 6 6 7 8 X5 X X7 XB 18 Valid configuration Executing Machine Operator System Online w Device configuration is verified Select in the left part of the window which information shall be included in the report by activating or deactivating the checkboxes for the individual report modules Using the Change report structure you can choose between a topic related report and a report on the connected hardware Now click on the Refresh Report button The report will be created and displayed on the right of the window In order to edit notes on your project click on the Project settings button A dialog is opened where you can enter a project name and a customer name if required
211. t the function block in case of an error state e g Feedback Error or Directional Valve Error The outputs are not reactivated automatically after an error and a valid reset sequence manual or automatic have occurred if at least one Control input is Active High at the respective moment All the Control inputs concerned must first change to Inactive Low before the outputs can be reactivated i e all the Control inputs have to be Inactive Low and all the Feedback inputs have to be Active High Feedback Error or Directional Valve Error is Active 114 MELSEC WS Figure 81 Function block diagram for the function block Magnetic Switch Table 61 Input parameters of the Magnetic Switch function block Table 62 Output of the Magnetic Switch function block 115 Logic programming Function blocks 6 6 13 Function block Magnetic Switch Function block diagram Input 1 m Output Enable Input 2 General description The internal logic of the Magnetic Switch function block corresponds to the functionality of the E Stop function block only with a limited parameter selection The function block allows graphic differentiation in accordance with the application The Magnetic Switch function block is a predefined function block for non contacting solenoid sensors or other complementary sensors for which discrepancy time monitoring is required When the evaluation of the complementary
212. tected at the signal input n 1 references the preceding value n references the current value Y references the value of the internal counter X means any e g Reset takes priority over the states of the Up counter and Down counter Counter Counter Up Down Reset Reload Overflow Underflow value 1 value T 0 0 0 Y Y 1 0 0 T 1 0 0 Y Y 1 0 0 1 0 0 0 Y Ha 1 0 Overflow limit Y Y 0 0 0 Overflow bok 1 0 ae Overflow limit limit 0 t 0 0 Y Y 1 0 0 1 t 0 0 Y 1 0 0 0 t 0 0 Y Y 1 0 0 1 0 t 0 0 Y 0 Y 0 0 1 t t 0 0 Y Y 0 0 X X 1 0 Y Reset to 0 0 0 x x 0 1 y Reload set 0 0 value X X 1 1 Y Reset to 0 0 0 82 MELSEC WS Figure 54 Function block diagram for the function block Reset 83 Logic programming Function blocks Error states and information on resetting The function blocks Event Counter Up Down and Up and Down do not carry out monitoring for error conditions 6 6 Application specific function blocks 6 6 1 Application specific function block Reset Function block diagram Reset g Output Enable Monitored Input Static Release Optional Input 1 gi Reset Required Indication General description In order to fulfil the normative requirements for safety applications on acknowledging and cancelling a manual safety stop and the subsequent request to restart the application each safety logic system of a MELSEC WS
213. tem could start up unexpectedly while you are connecting the devices N CAUTION Ground the FG and LG terminals to the protective ground conductor dedicated to the MELSEC WS safety controller Failure to do so may result in electric shock or malfunction Check the rated voltage and terminal layout before wiring to the module and connect the cables correctly Connecting a power supply with a different voltage rating or incorrect wiring may cause a fire or failure Tighten the terminal screw within the specified torque range Undertightening can cause short circuit fire or malfunction Overtightening can damage the screw and or module resulting in drop short circuit or malfunction Prevent foreign matter such as dust or wire chips from entering the module Such foreign matter can cause a fire failure or malfunction Mitsubishi MELSEC WS safety controllers must be installed in control cabinets Connect the main power supply to the MELSEC WS safety controller through a relay terminal block Wiring and replacement of an external power supply must be performed by maintenance personnel who is familiar with protection against electric shock Place the cables in a duct or clamp them If not dangling cable may swing or inadvertently be pulled resulting in damage to the module or cables or malfunction due to poor contact Startup and Maintenance Precautions lt DANGER Do not touch any terminal whi
214. the cycle beginning In this case the Restart Interlock parameter does not have any effect on the function block If the Restart Interlock has been set to always and the Max Up Stroke Muting time parameter has been configured as without an Inactive Low signal at the PSDI input during the startup sets Output Enable immediately to Inactive Low If the Restart Interlock has been set to always and the Upstroke muting parameter is Active High Output Enable remains Active High until Top becomes Active High thus indicating that the press cycle has been completed In this case a complete restart sequence is required If the Restart Interlock has been set to deactivation on upstroke only for PSDI and the Upstroke muting parameter is Active High Output Enable remains Active High until Top becomes Active High thus indicating that the press cycle has been completed In this case a cycle start sequence is required If the PSDI input changes to Active High during this time Output Enable also changes back to Active High The setting for this parameter does not have any effect when the Restart and Up input signals remain unconnected Logic programming Function blocks Figure 125 Sequence timing diagram when the PSDI input is Inactive Low Upstroke muting is disabled and the Restart interlock is set to always Figure 126 Sequence timing diagram when the PSDI input is Inactive Low
215. the function block standard Sweden mode The standard Sweden mode parameter specifies the complete start sequence for the N Break function block The standard mode requires that the configured number of breaks is carried out followed by a valid restart sequence The Sweden mode first requires a valid restart sequence followed by the configured number of breaks Requirements for the start sequence If Output Enable changes to Inactive Low because of one of the following conditions a complete start sequence can be necessary EN1 Static is Inactive Low The Protective Field Interrupted output is Active High while Cycle 0 and there is no active upstroke muting and no stop at the Top dead center Incase of a PSDI Timeout After the safety controller has been switched on If the Protective Field Interrupted output is Active High and Output Enable is Inactive Low and the PSDI input is also Inactive Low and the Restart Interlock is set to without a restart is possible without a complete restart sequence This can also apply during the press run up if the Restart interlock is set to deactivation on upstroke only for PSDI The Min break pulse time at the PSDI input amounts to 100 ms or 350 ms Shorter breaks are not evaluated as valid If the EN2 parameter is configured as only necessary for first starts or as necessary for every start it also has to be Active High if a complete start
216. the short circuit detection If such a pulse can result in a hazardous state in the machine the following points are to be observed Ensure protected cable laying for the signal line due to cross circuiting to other signal lines No short circuit detection i e do not reference to test outputs During a reset sequence Output Enable changes to Active and the Reset Required Indication output changes to Inactive The further specific behaviour of the reset sequence is described below Each defined step has to occur in the specified sequence the MELSEC WS safety controller does not continue with the next step until the condition specified in the current step has been fulfilled Requests for resetting when the Monitored Input is inactive e g logic 0 or when the MELSEC WS safety controller changes from the stop state to the Run state Output Enable changes to Inactive Static Release changes to Inactive Reset Required Indication changes to Inactive All the Monitored Input signals are Active Static Release changes to Active Reset Required Indication changes to Active e g 1 Hz pulse A successful reset sequence is carried out see previous sections Output Enable changes to Active Oo ON oa F wN gt Reset Required Indication changes to Inactive Sequence timing diagram Reset ee og es ee ee y ee Monitored Input i a a se ee ee A ee Static Release SOT ooo Reset Required NOLL SL Indicatio
217. tic is mandatory Output Enable always changes immediately to Inactive Low if EN1 Static is Inactive Low If this function block is used together with a press contact function block e g Eccentric Press Contact or Universal Press Contact its Output Enable signal must be connected with the EN1 Static input of this function block EN2 Start The input signal EN2 Start is optional If EN2 Start is configured Output Enable can only change to Active High e g during switching on if EN2 Start is Active High If Output Enable is Active High EN2 Start is no longer monitored Logic programming Function blocks MELSEC WS EN3 Safety The EN3 Safety input signal is an optional signal Output Enable can only change from Inactive Low to Active High if EN3 Safety is Active High If EN3 Safety is Inactive Low and Up is Inactive Low Output Enable is set to Inactive Low and a restart sequence has to occur in accordance with the settings If EN1 Static and Up are Active High and the Max Up Stroke Muting time is configured to a value higher than 0 the EN3 Safety signal is muted Upstroke muting of On Start If the Max Up Stroke Muting time is not set to 0 the Up input has to be connected We advise using the Up output signal of a press contact function block e g Eccentric Press Contact or Universal Press Contact In this case the EN3 Safety and On Start input signals are muted mutin
218. timer reaches the configured Max Up Stroke Muting time before a rising edge occurs at the Up input upstroke muting is interrupted and if the PSDI input is Inactive Low Output Enable is set to Inactive Low When a second rising edge occurs upstroke muting begins again The Max Up Stroke Muting time can be configured in a range of 0 to 7 200 s If the value is set to 0 upstroke muting is deactivated Start Position If the Start Position parameter is set to only on top a restart of the press in another position than at the top dead center is prevented If the press has been stopped e g by interruption of the light curtain during a downstroke you must change the operating mode e g to press setup mode and move the press back to the top position in the other operating mode Only then a restart of the press in PSDI mode will be possible by a complete start sequence If the Start Position parameter is set to only on top the optional Control input must be connected in order to monitor whether the press is currently running or has been stopped This must be the signal which directly controls the press Typically Control input will be connected via a loop back connection to the logic editor signal which is connected to the physical output for the press If Output Enable changes to Inactive Low as a result of either the EN1 Static input or the PSDI input has changed to Inactive Low the diagnostic output Start Here
219. ting the Safety Gate Monitoring function block MELSEC WS Error states and information on resetting Diagnostics Fault Present Resetting the error state Remarks outputs Discrepancy Error Active A Discrepancy Error cannot be Output Enable reset until both inputs of the changes to dual channel input evaluation Inactive fail safe have become Inactive and the Fault The Discrepancy Error Present changes changes to Inactive when a to Active if the sequence has been detected Discrepancy Error that sets Output Enable to is Active Active and there is no error Synchronization Active A Synchronization Error Output Enable Error cannot be reset until the changes to dual channel evaluation of the Inactive fail safe input has become Inactive and the Fault The Synchronization Error Present changes changes to Inactive when a to Active if the sequence has been detected Synchronization that sets Output Enable to Error is Active Active and there is no error Function Test Active The Function Test Error Output Enable Error changes to Inactive when a sequence has been detected that sets Output Enable to Active and there is no error changes to Inactive fail safe and the Fault Present changes to Active if the Function Test Error is Active If the enable condition was already fulfilled at the state change of the MELSEC WS safety controller from the stop state to the Run state Output Enable
220. tion block Two Hand Control Figure 66 Sequence timing diagram for the function block Two Hand Control typelllC Table 49 Error states and information on resetting the function block Two Hand Control 97 Logic programming Function blocks Output of the function block The following additional error outputs are available Optional output connections of the function block Discrepancy Error Pair1 Discrepancy Error Pair2 Fault Present In order to allow access to these output connections increase the number of outputs on the In Out Settings tab of the function block properties For further information on these parameters refer to Section 6 3 and Section 6 4 Sequence timing diagram Input 1 Pair 1 0 LS TLS LS LE Input 2 Pair 1 NC ae VO fe LG A ry A input 3 Pair2no bad LS ETS Input 4 Pair 2 NC my ee ee ee ee Output Enable p Lee Discrepancy Error Pair 1 Discrepancy Error Pair 2 ee O O a S S Fault Present a aa S top Run T2 Tbiscrepancy T2 Tpiscrepancy Error states and information on resetting Diagnostics Fault Resetting the error state Remarks outputs Present Discrepancy Active A Discrepancy Error cannot be reset Output Enable Error until the dual channel evaluation of the changes to input has become Inactive Inactive and the The Discrepancy Error returns to Fault Present Inactive when both inputs return to changes to Active and there i
221. tion block diagram for the function blocks Event Counter Up Down and Up and Down 79 Logic programming Function blocks Sequence timing diagram cme I Le Clock Tl with Stopping mode immediately Clock PULL with Stopping mode after last clock Error states and information on resetting The function block Clock Generator does not carry out monitoring for error conditions 6 5 13 Function blocks Event Counter Up Down and Up and Down Function block diagram Up Overflow Down Reset Underflow Reload General description Each of the function blocks Event Counter Up Event Counter Down and Event Counter Up and Down has an internal counter that counts upwards or downwards depending on the input states of the inputs Up or Down During upwards counting the Overflow output is set to Active High when the upper limit is reached During downwards counting the Underflow output is set to Active High when the internal counter has reached the value 0 The parameter settings allow the user to determine whether the state of the internal counter is reset automatically to O or to a different value A transition from Inactive Low to Active High i e a rising edge at the input Up counter increases the value of the internal counter by 1 A transition from Inactive Low to Active High i e a rising edge at the input Down counter decreases the valu
222. tor where it is used not only on the currently displayed page If forcing an input in a logic program causes more than 16 outputs to switch at the same time then some of these outputs will be switched with a delay of one or more execution times due to the limited transmission capacity of the RS 232 interface The execution time depends on the size of your logic program It is calculated automatically in the logic editor and is displayed in the top right corner of the FB preview window Unlike the simulation mode the force mode allows you to use the EDM or Valve monitoring if corresponding devices are connected that will send the required feedback signal when the outputs are activated 202 MELSEC WS 203 ATTENTION Logic programming Function blocks When using an Ethernet interface module please note that the process image of the Ethernet interface module always reflects the actual physical state of the inputs and outputs of the connected devices and not the virtual forced state of an input in the logic program If by forcing of an input in the logic program e g from High to Low the state of an output is changed e g from High to Low the actually changed state of the output in the example Low will be transferred to the programmable controller in the process image but not the forced Low state of the input in the logic program but still the actual physical state of the input on the device in the example High Take this int
223. tput Enable changes to Inactive Low when the Top input signal changes from Inactive Low to Active High Logic programming Function blocks MELSEC WS EN1 inverted The EN1 inverted output signals whether an enable signal for the Press Setup function block is present If EN1 Static is Active High EN1 inverted is Inactive Low and vice versa Figure 113 Sequence timing tart n l l l diagram for the Press enata Setup function block l EN1 Static EN2 Start es ee ee re re Top nn JUO n Output Enable Output Enable remains Active when Single Stroke Protection is without Error conditions The function block Press Setup does not carry out monitoring for error conditions 166 MELSEC WS Figure 114 Function block diagram for the function block Press Single Stroke 167 Logic programming Function blocks 6 8 4 Function block Press Single Stroke Function block diagram On Start EN1 Static EN 2 Start EN3 Safety Top Up Restart Output Enable Restart Required General description The function block Press Single Stroke is generally used together with the function block Universal Press Contact or the function block Eccentric Press Contact in order to provide the information of the Top and Up outputs as input for this function block The Top output is required for single stroke operation Controlling of the press can for example be implemente
224. tput Enable is Inactive Low and the PSDI input is also Inactive Low and the Restart Interlock is set to without a restart is possible without a complete restart sequence This can also apply during the press run up if the Restart Interlock is set to deactivation on upstroke only for PSDI Error states and information on resetting Interrupted PSDI Timeout Fault Diagnostics Resetting the error state Remarks Present Protective Field Active If an interruption of the protective Output Enable field occurs the PSDI input generally has to return to Active followed by a valid restart sequence in order to reset the error If the Protective Field Interrupted output is Active High and Output Enable is Inactive Low and the PSDI input is also Inactive Low and the Restart Interlock is set to without or deactivation on upstroke only for PSDI a restart is possible without a complete restart sequence For PSDI timeout the error is reset by a valid restart sequence changes to Inactive and the Fault Present changes to Active if Protective Field Interrupted or PSDI Timeout is Active Logic programming Function blocks MELSEC WS Figure 127 Function block diagram for the Grouped Function Block Note 6 9 User defined function blocks 6 9 1 Grouped Function Block Function block diagram Input 1 w fy Output 1 Input 2 wl m Output 2 Input 3 B
225. tt tir Ls Le arc Me Je Upstroke muting and Max Up Stroke Muting time Upstroke muting allows bypassing of the PSDI input e g the OSSDs of a safety light curtain during the upstroke of the press cycle Upstroke muting is activated when the Max Up Stroke Muting time parameter is set to a value greater than 0 Upstroke muting is deactivated when the Max Up Stroke Muting time parameter is set to 0 When upstroke muting is activated itis imperative that the Up input is connected to a suitable signal This can be the Up output e g of the Eccentric Press Contact function block or of the Universal Press Contact function block the PSDI input of the function block is bypassed if the Up input is Active High and the Top input remains Inactive Low The function block does not check the Up input for plausibility This means that it is possible to bypass the PSDI input several times if the Up input is activated several times during a single press cycle Logic programming Function blocks MELSEC WS Figure 124 Sequence timing diagram for Upstroke muting in standard mode in two cycle mode Upstroke muting EN1 Static EN2 Start i a O a D a a S aa O a E 1 Restart wd e L M O E en NEE S e a The Max Up Stroke Muting time can be configured The Max Up Stroke Muting time begins with the rising edge i e the transition from Inactive Low to Active High of the signal at the Up input If the
226. tting and Monitoring Tool to High or Low independently of their actual status while the system is online The safety controller and the programmed logic will react exactly as if the inputs concerned were actually in the respective state This enables you e g during commissioning or maintenance to test the wiring of your system and the function of your programmed logic in online operation You can force only the inputs of a safety controller directly but not outputs or logic results as function blocks or jump addresses Exclude any danger for persons or equipment In force mode you can freely influence the status of the safety inputs As a result thereof the safety function of your safety equipment can be impaired and a dangerous state may occur Ensure that no person is present in the dangerous area of your machine or system before activating force mode Ensure that no person can intrude into the dangerous area of the machine or system while force mode is active Do not use force mode from several PCs simultaneously When using force mode ensure that no person activates the force mode from a second PC Otherwise a dangerous state may occur How to activate the force mode The following requirements must be met in order to use the force mode You must be logged in to the system as Authorized client Your PC must be connected to the MELSEC WS safety controller via the COM RS 232 interface Forcing via an Ethernet co
227. ttings tab of the function block with function block with all properties dialog for the configuration basic available inputs and outputs Safety Gate Monitoring setting function block 6 4 Parameterisation of function blocks In addition to the type of input e g single channel dual channel equivalent etc function blocks can have further parameters that are defined on the properties page of the function block shown above The following has to be observed when selecting time monitoring functions for the discrepancy time synchronisation time pulse duration muting time etc The times can be selected in 10 ms steps have to be greater than the logic execution time have a precision of 10 ms in the evaluation in addition to the logic execution time The logic execution time depends on the number and type of the function blocks used and is displayed in the Setting and Monitoring Tool in the logic editor 52 MELSEC WS Figure 24 Discrepancy time 53 Logic programming Function blocks 6 4 1 Discrepancy time The discrepancy time tyi is the maximum time for which the two inputs of a dual channel evaluation may have invalid states without the safety oriented logic evaluating this state as an error At a dual channel equivalent evaluation both inputs may not be complementary for longer than the configured discrepancy time At a dual channel complementary evaluation both inputs may not be equivalen
228. ulations e g European Waste Code 16 02 14 REVISIONS The manual number is given on the bottom left of the back cover Print date September 2009 Manual number SH NA 080856ENG A First edition Revision Japanese manual version SH 080853 A This manual confers no industrial property rights or any rights of any other kind nor does it confer any patent licenses Mitsubishi Electric Corporation cannot be held responsible for any problems involving industrial property rights which may occur as a result of using the contents noted in this manual 2009 MITSUBISHI ELECTRIC CORPORATION CONTENTS SAFETY PRECAUTION Shennon ei a rnin eae nines 1 REVISON S veered tae ase ase Moe aaah ee AAT 7 CONTENTS sat ssied caste fettenacied ona ede ta std e eid ta a ated 8 GENERIC TERMS AND ABBREVIATIONS ccc ccceeceeeeeeeeseeeeeeeeseeeeeseeeeeneeeenneees 12 1 About this document anria a aa a 13 1 1 Function of this document aasssseessssessirsesesnnessinaesesnneetnnnentennaennnnesnenneennnne 13 1 2 SCOPO nie sete sa ied ha ata ede ete a sles tao edie seat eid set eda 14 1 3 Target group iia nitiini hd ae Withee debe initia ele 14 1 4 Function and structure of this manual ce ceeeeeeeeeeeeeeeseeneeeeteeeeeeeeenaees 15 1 4 1 Recommendations for familiarising your self with Setting and Monitoring TOON as iaich iets a Ses Wes tek a E aha 15 1 4 2 Recommendations for experienced Users
229. unction blocks MELSEC WS Figure 76 Sequence timing diagram for the function block Multi Operator Sequence timing diagram All the Operator x inputs have executed a cycle after the falling edge of the trigger condition or after the start and the Static Release inputs are Active eee Es Operator 1 I LT L L Operator 2 LJ LO l Operator 3 fe SED ie EO pe s Static Release 1 J L_ Trigger Condition J LJ LJ TG ee a Enable remains Inactive because Falling edge of the trigger the Operator 2 signal has not yet passed i condition recognized through the cycle e g Active gt Inactive Active after the last occurrence of the trigger condition 108 MELSEC WS Figure 77 Function block diagram for the function block Valve Monitoring for double valve ATTENTION 109 Logic programming Function blocks 6 6 12 Function block Valve Monitoring Function block diagram Control 1 g Output 1a Output 1b Feedback 1 n Output 2a Feedback 2 Output 2b Feedback Error Reset Fault Present General description The function block Valve Monitoring allows the control and monitoring of outputs for valve control depending on the Control input values When a state changes at the valve control outputs the function block checks the Feedback input for a state change in order to ensure that the change has taken place at the valve The status change at the Feedback input has to accord with the config
230. untries Ethernet is a trademark of Xerox Corporation All other company names and product names used in this manual are trademarks or registered trademarks of their respective companies SH NA 080856ENG A Safety Controller Setting and Monitoring Tool Operating Manual SICK SICKAG Tel 49 7681 202 0 _http Awww sick com MODEL SW1DNN WSOADR B O E MODEL 13JU67 SH NA 080856ENG A 0909 MEE sfa MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN NAGOYA WORKS 1 14 YADA MINAMI 5 CHOME HIGASHI KU NAGOYA JAPAN When exported from Japan this manual does not require application to the Ministry of Economy Trade and Industry for service transaction permission Specifications subject to change without notice
231. uration settings for the ON delay T_ON and OFF delay T_OFF Three different valve types are available Single valves double valves and directional valves The number of Control and Feedback inputs depends on the set valve type The single valve encompasses Control 1 and Feedback 1 The double valve encompasses Control 1 as well as Feedback 1 and Feedback 2 For directional valves Control 1 Control 2 Feedback 1 and Feedback 2 are used Connect the feedback signals correctly The signals for Feedback 1 and Feedback 2 have to be protected against short circuits to the outputs e g Output 1a 1b 2a and 2b as well as against each other e g by means of protected wiring or wiring of these signals solely within the control cabinet Logic programming Function blocks MELSEC WS ATTENTION The number of outputs depends on the set Valve mode The single valve encompasses Output 1a Output 1b is optional Double valves and directional valves encompass Output 1a and Output 2a Output 1b and Output 2b are optional Output 1b is always identical with Output 1a Output 2b is always identical with Output 2a The function block Valve Monitoring supports both manual and automatic resetting If manual resetting is configured a valid reset sequence Inactive Low to Active High at least 100 ms or 350 ms maximum 30 s to Inactive Low has to be carried out in order to reset the function block in case of an error state
232. ut signal can originate from a preceding function block or directly from an input element Truth table The truth table uses the following designations 0 means logic Low or Inactive 1 means logic High or Active x means any O or 1 Truth table for the Routing 1 N evaluation Table 31 Input Output1 Output2 Output3 Output4 Output5 Output6 Output7 Outputs Truth table for the Routing 0 0 0 0 0 0 0 0 0 1 N evaluation 1 1 1 1 1 1 1 1 1 Xx 0 0 0 0 0 0 0 0 Error states and information on resetting Logic functions do not carry out monitoring for error conditions 70 MELSEC WS Logic programming Function blocks 6 5 8 Logic function block Routing N N Function block diagram Figure 39 Input 1 Output 1 Function block diagram for Input 2 Output 2 the function block Routing Input 3 Output 3 N N Input 4 m Output 4 Input 5 Output 5 Input 6 Output 6 Input 7 m Output 7 Input 8 m Output 8 General description The function block Routing N N passes up to eight input signals parallel to up to eight outputs The input signal can originate from a preceding function block or directly from a physical input Truth table The truth table uses the following designations 0 means logic Low or Inactive 1 means logic High or Active Truth table for Routing N N evaluation Table 32 Truth table for Routing N N evaluation 71 Intpu
233. uts of the Grouped Function Block nor leave the tag name blank Logic programming Function blocks MELSEC WS Figure 133 Adding inputs and outputs to a Grouped Function Block Figure 134 Grouped Function Block with devices attached Safety Controller Setting and Monitoring Tool 1 2 0 New Project first steps with logic editor How can simulate the configuration B How can Iuse the message generator D report D grouped amp customised function blocks How can minimize my reaction time Motor Led Output 3 Output 4 Output 5 Output 6 Output 7 Output 8 aa Function Block FB Group info Machine Operator 2 0ffline A Desiener configuration is not verified The inputs and outputs that have been added to the Grouped Function Block will appear on the function block itself in the main program and devices can be attached to them Once a device is attached it will be displayed in the logic of the Grouped Function Block when the view is switched to external view Safety Controller Setting and Monitoring Tool 1 2 0 New Project D first steps with logic editor How can simulate the configuration How can use the message generator D report D grouped amp customised function blocks How can minimize my reaction time Reset 2 E Stop 2 Input 3 D Input 4 Input 5 Input
234. vice states of the MELSEC WS safety controller 8 1 2 Auto RUN mode and normal state The MELSEC WS safety controller can adopt the Run state directly after the supply voltage has been switched on if the required conditions are fulfilled This automatic transition is called the Auto RUN mode The following conditions have to be fulfilled for the Auto RUN mode A user configuration with regard to the software and hardware configuration has been created and downloaded successfully to a corresponding hardware The configuration has been uploaded back to the device and verified using Read in and compare The Auto RUN mode in the configuration is activated activated in the basic setting The Auto RUN mode is switched on or off in the hardware configuration by double clicking the CPU module in the Settings tab In an unverified state the MELSEC WS safety controller waits for a command from the Setting and Monitoring Tool for the transition from the Stop to the Run state The Start Up Test state has to have been completed successfully for this command When the Auto RUN mode is deactivated the MELSEC WS safety controller does not change automatically to the Run state after the Start Up Test state after an interruption of the voltage supply in the Stop state has occurred Then you have to change to the Run mode manually in order to start the system Report and diagnostics MELSEC WS 9 Report and diagnostics Figure 154 Repor
235. w On Start input signal EN1 Static The input signal EN1 Static is mandatory Output Enable always changes immediately to Inactive Low if EN1 Static is Inactive Low If this function block is used together with a press contact function block e g Eccentric Press Contact or Universal Press Contact the Output Enable signal of this press contact function block must be connected with the EN1 Static input of the Press Setup function block EN2 Start The input signal EN2 Start is optional If EN2 Start is configured Output Enable can only change to Active High e g during switching on if EN2 Start is Active High If Output Enable is Active High EN2 Start is no longer monitored Top The Top input signal is used in order to determine the end of the press cycle i e the press has reached the top dead centers This input signal is available at the function blocks Universal Press Contact or Eccentric Press Contact The Top input signal is used for single stroke protection When the Single Stroke Protection parameter is set to with Output Enable changes to Inactive Low when the Top input signal changes from Inactive Low to Active High 164 MELSEC WS 165 Logic programming Function blocks Restart If the Restart Interlock parameter has been set to without a Restart signal is not required in order to restart the press after any kind of stop The Restart Interlock parameter ca
236. wice and confirm with OK Change password Change password for Maintenance personnel Authorized client A New password Please confirm the new password ARK by entering twice OEK 5 5 Identify project The Identify project command is equivalent to the Connect to physical device command that can be executed upon program start of the Setting and Monitoring Tool In the Device menu choose the Identify project command The current project will be closed The Setting and Monitoring Tool will search for connected MELSEC WS modules and load the hardware configuration into the Hardware configuration dialog Once all modules have been identified the Setting and Monitoring Tool will ask whether the configuration shall be uploaded Click Yes to upload the configuration Logic programming Function blocks MELSEC WS 6 Logic programming Function blocks ATTENTION The function logic of the MELSEC WS safety controller is programmed by using function blocks These function blocks are certified for use in safety relevant functions if all safety standards are observed during implementation The following sections provide information on important aspects of using function blocks in the MELSEC WS safety controller Solely safety relevant signals may be used in safety relevant logic Ensure that the application fulfils all the applicable standards and regulations If you use the function blocks
237. work modules _ System stat Logic results Title Elements FB Preview Valid configuration Forcing Note While force mode is active it is not possible to logout to upload and compare a configuration or to stop the safety controller 201 Logic programming Function blocks MELSEC WS Figure 147 Forced and not forced inputs Note How to force an input Click on an input with the left mouse button A context menu with the following options will appear Force low The MELSEC WS safety controller will evaluate the input independently of its actual physical state as Low Force high The safety controller will evaluate the input independently of its actual physical state as High Remove force The safety controller will evaluate the input with its actual physical state A forced input is marked with a blue frame An active input High is displayed green an inactive input Low is displayed white Input not forced Low Input not forced High Input forced Low GETH 13 0 0 Byte 0 Bit amp Input forced High jf E The actual state of a forced input is not displayed in the logic editor but only in the Hardware conficuration view Force mode always applies to the complete project This means for logic programs using more than one page in the logic editor that a forced input will be set to the same value on each page of the logic edi

Setting & Monitoring Tool Manual - Automation Systems and Controls

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Setting &amp; Monitoring Tool Manual - Automation Systems and Controls

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Setting & Monitoring Tool Manual - Automation Systems and Controls