GRIF 2011 Module SIL User manual
Contents
1. aj v Reminder The combination Control Scroll wheel enables you to enlarge zoom in or reduce the window The x axis represents the time in hours and the y axis represents the probability of failure of the SIF when triggered also called PFD The chart ranges from 0 to 30 years by default but it is possible to modify this value as explained in the chapter on curves There are 5 curves in the chart PFD t or PFH t the instantaneous value of the system s PFD PFH e PFD Avg or PFH the average value of the system s PFD PFH e Actuators the instantaneous value of the PFD PFH of the actuator part of the system e Sensors the instantaneous value of the PFD PFH of the sensor part of the system e Solver the instantaneous value of the solver s PFD PFH The curves are located in one or several bands of colour These bands represent the PFD ranges which define the SIL SIL 0 instantaneous PFD 10 1 PFH 10 infinity SIL 1 instantaneous PFD e 10 10 PFH e 10 10 SIL 2 instantaneous PFD e 10 10 PFH e 107 10 SIL 3 instantaneous PFD 10 10 PFH e 10 107 SIL 4 instantaneous PFD 0 10 PFH e 0 10 User manual 17 31 TOTAL For advanced users a menu can be used to launch computations based on Monte Carlo simulation The computation is launched from the menu Data and Computations Comp2. Dur e d exploitation ann es 30 0 z gt SH Configuration de l architecture Configuration des composants Rapport Param tres Sensors architecture Nombre de canaux efr Configuration des canaux X Prendre en compte les D faillances de Cause Commune Beta inter canaux 2 0 Canal Canal2 Nombre de capteurs b x Configuration des capteurs sl C Prendre en compte les D faillances de Cause Commune Beta capteurs Actuators architecture Nombre de canaux 2 x Configuration des canaux C Prendre en compte les D faillances de Cause Commune Beta inter canaux Canal Canal 2 Nombre d actionneurs 2 Configuration des actionneurs v Prendre en compte les D faillances de Cause Commune Beta actionneurs 2 0 Beta sous actionneurs 2 0 1E 1 2E 1 3E 1 4E 1 5E 1 6E 1 7E 1 8E 1 9E 1 Actionneur 2 PFD t Mean 0 SILO 0 SIL1 0 SIL2 0 SIL3 0 SIL4 0 PFDAvg Maximum 0 1 actionneur et hr sous actionneur s PFDAvg PFD t Actuators Sensors Solver User manual 5 31 3 Selecting the SIS architecture When module is launched it contains a picture representing the architecture as well as an empty chart as no computations have yet been carried out In the tool bar on the top of the window the Operating duration area lets you sp
3. SIL siian ausser aper EKKE ETEK aa EE e EE TEE a E aE REE na TEE ON 29 92 IE Exec mtaDlES 22 aa E E A E de ee T 29 92 2 Datab s sien Pire not E et E E A OSEE EEEE E E EN 30 9 23s LANPUAD russes ia E E EE E E E E he 30 OD OPUS aoo eE E e AE we chs E ET ee A E AE 30 9 2e GS EE EEE 30 926 Digital Format sorone renna a OE E E AE E E ON 31 Of EnS sae en e a a E E E E essen gseeias 31 9 28 CUVE S sise eor ii SE REE EEE REE E den EEE E KEE A E ARAE E E one ue 31 User manual 2 31 1 Introduction This module of GRIF is used for PFD computations We will focus on the processing of Safety Instrumented Functions SIF on continuous process installations safeties functioning in on demand mode The computations carried out are safety computations the top event is a non detected dangerous failure of the SIS safety function The definitions and parameters used in this document are explained in the glossary cf Section 8 Glossary User manual 3 31 2 Prerequisites and Installation This chapter describes the procedure to follow before the software can be used Because an external computation engine is used certain prerequisites are necessary 2 1 Prerequisites The minimum hardware requirement is a Pentium IV or more with 512 MB memory Works under Window XP Vista and 7 2 2 Installation of TOTAL version without TOTAL s version of the GRIF software does not require an installation procedure You must unzip the GRIF 201X
4. To create or modify data parameters variables etc tables are available in the Data and Computations menu All the GRIF 2011 data tables operate in the same manner Edit Parameters OI x EG T z Name Value Lambdai 1 5E 4 Lambda2 4 0E 4 Mu 0 0114 a Name Localization The data editing table panel is divided into 3 parts e The top part containing the buttons e The main part containing the data table The bottom part indicating what the selected data is used for Saves the table in a text file F Opens the table in a text editor that defined in the Options ca FE Opens the column manager When the display selection button is pressed a click in the table leads to the selection in the input area Displays the data filtering part feat Multiple modifications made to all the selected data Creates new data Deletes the selected data one or many Filtrer Enables data filtering or not Defines the filter to be applied to the data Filtering allows you to display only what is necessary in a table Several filtering criteria can be combined as shown below User manual 27 31 Creation of data filter x Associate tests with AND OR Add a criteria 3 beens Value x greater than iM h 0 i Name contains ly id i re Select AND or OR to choose the type of asso
5. u This value is equal to 1 MTTR for a repair time Repair rate u Mu repair rate in of 48h Mu 1 48 2 08E 2 R R F Risk Reduction Factor of the SIF Safety function function to be carried out by an E E EP safety system by a safety system based on another technology or by an external risk reduction device designed to ensure or maintain the controlled system in a safe state with regard to a specific dangerous event SIF Safety Instrumented Function SIL 0 instantaneous PFD 10 1 PFH 10 infinity SIL 1 instantaneous PFD 10 10 PFH e 10 10 SIL 2 instantaneous PFD 10 10 PFH e 107 10 SIL 3 instantaneous PFD 10 10 PFH e 10 107 SIL 4 instantaneous PFD e 0 10 PFH 0 10 SIS Safety Instrumented System Instrumented system used to carry out one or several safety functions An SIS is made up of sensors a logical processing system and actuators System set of elements which interact according to a specific model an element which may be another system called a sub system The sub systems can themselves be either a command system or a controlled system made up of hardware software and interacting with man S PLC Safety Programmable Logic Controller Test duration x Pi period of time necessary for testing the component Test efficiency rate o Sigma cover or efficiency rate of the test The value ranges from O the test never detec
6. 2 and each sub actuator in the sub tabs Al la A1 1b Configuration of architecture Configuration of components Report Parameter Sensor s Part Solver Part Actuator s Part Chanel1 Chanel 2 Actuator1 Actuator2 Actuator 3 A1 1 Atta A1 1b Identification Tag Name A1 1 Instrument type Solenoid valve de energize to trip v Identical to B Determined character of the component Component Non safety Standard Field proven Test Test type When unit is stopped v Duration between tests T1 6 wv Years v Time of the first test TO 6 v Years v Instrument parameters Lambda A 1 5E 6 vin LambdaD Lambda Ad A 25 v DC 0 v MTTR 96 v Hours Test leads to failure y 0 w probability Advanced configuration In the following paragraph the actuator main or sub will be called the component The component is configured using the following parameters e Tag component s instrument tag on PID e g 10 PT 2034 for a sensor or 10 UV 2034 for an actuator e Instrument type type of instrument used It is selected from a drop down menu e Identical to used to specify whether the component is identical to another component of the same type i e a sensor when editing a s
7. Module SIL zip in the directory of your choice The path of directory must not contain any special characters such as 1 6 etc In the following chapters we will assume you have unzipped the file in C Programmes Total GRIF 201X Module SIL 2 3 Installation of retail version with installer and demonstration version The retail version of software is provided with a file whose name is GRIF 201X zip Unzip the file on your desktop for exemple ans launch GRIF Install Win32 exe A window will guide you through installation step If you haven t purchase GRIF please select demo at the end of inttallation In the following chapters we will assume you have install GRIF in C Programmes Total GRIF 201X 2 4 Saving Data generated by GRIF are saved in USER directory With Windows XP it is C Documents And Setting USER with Windows Vista and Windows 7 it is C Users USER The name USER is usually your name or your identification number with which you have openned your session on computer GRIF Module SIL saves its files in USER GRIF SIL Application User manual 4 31 Torat 2 5 Launching The software is now ready for use To launch the SIL module double click on S1SIL bat qui is in directory where GRIF bas been installed In retail version you can also use the Start menu Sofwares Sdf GRIF 201X GRIF SIL Module Sif1 sil Fichier Edition Outils Document Donn es et calculs Groupe Aide BR a
8. OK to close the windows User manual 20 31 7 Generating reports 7 1 Generality et detail The PDF reports can be configured in the tab Report and its sub tabs Generality SIF Detail SIF Generality SIF Detail SIF Result SIL Generality SIF Detail SIF Result SIL ER lt lt SIF Identifier 51F7894566 SA FRANCE AQUITAINE GIRONDE MERIG n Localization NAC Revision 1 1 c p Total Date 17 09 2008 Units Produced by R Dupont SIF to prevent high pressures Checked by M Durand SIF Function Validated by s Robert SIF for detecting high pressures SIF Description 789 Sensors position Solver position NY TTTTT7 ZZ 9 Actuators position PID PID of the SIF MotalDatabase Data source No comments Comments e SIF Identifier identifier of the SIF or report e Revision revision index of the report e Date date on which the report was issued e Produced by name of the author of the report e Checked by name of the checker of the report e Validated by name of the person who validated the report e Localization specify the refinery the platform the plant e Units specify the units the sectors the workshops the project SIF Function function of the SIF top event Description of the SIF description of the SIF e Sensors position instrument tag of the SIF
9. connect to database e SQL Request Request that have to be executed to retrieve data from database e Name of ID field Name of field containing data ID e Type of ID Type of ID field INTEGER FLOAT VARCHAR 32 e Name of name field Name of field containing data name e Name of value field Name of field containing data value e Name of description field Name of field containing data description e Test Connection Name of field containing data description 9 2 3 Language Language tab enables to choice language e Language Language changes are taken into account when option windows is closed Available language are French and English 9 2 4 Options Options tab enables to tune application behavior e Save working document options as default options in application Save options of current doc as application default options e Application manage default options of documents Apply defaut options to current document Apply Application options to current document e Number of undo Specifies number of possible undo redo e Number of recent files Specifies number of files in recent files list e Window display Enables separate tables external or linked tables internal e Columns to be resized in tables Enables to specify the columns on which space will be taken for resizing e Use net protection key Red Check this box only if a network key is used reg key e Manage new names to avoid n
10. manually or selected from a drop down list displaying all of the parameters with a Rate dimension It is possible to indicate that the value is to be equal to lambda A du Test duration 7 Pi period of time necessary for testing the component The time unit is selected from a drop down list hours days months years The value of the duration can be edited manually or selected from a drop down list displaying all of the parameters with a Time dimension Test efficiency rate o Sigma cover or efficiency rate of the test The value ranges from 0 the test never detects anything to 1 the test always detects the failure This value can be edited manually or selected from a drop down list displaying all of the parameters with a Probability dimension Wrong re setup Omega probability 0 1 of wrong re setup of the equipment after the test It is the probability that the component will not be able to carry out its safety mission after being repaired by the operator It can be left at 0 if you consider that the operators and test procedures are infallible no omission of a by passed sensor powering up the motor etc This value can be edited manually or selected from a drop down list displaying all of the parameters with a Probability dimension 4 3 Configuring the solver The solver of the safety loop can be configured in the Solver tab Sensor s Part Solver Part Actuator s Part SOLVER Identification Tag Name SOL
11. of a by passed sensor powering up the motor etc This value can be edited manually or selected from a drop down list displaying all of the parameters with a Probability dimension With partial stroking test if checked specifies whether the component takes partial stroking tests into account as for example the partial stroke testing of a valve gate Efficiency of partial stroking tests Proportion of detected failure proportion of hidden failures detected during partial stroking tests 0 100 0 means no failure is detected 100 means every failure is detected The value of the efficiency can be edited manually or selected from a drop down list displaying all the parameters with a Factor dimension This characteristic is accessible only if the component takes partial stroking tests into account Number of tests number of partial stroking tests carried out between two full tests NB Sub actuators do not take partial stroking tests into account There is therefore no Partial stroking test section in the sub actuator configuration tab User manual 16 31 5 Computing the SIF s PFD When all of the components have been configured computations can be started PFD Computations are launched via the menu Data and Computations Launch PFD computations or by clicking on the icon PFH Computations are launched via the menu Data and Computations Launch PFH computations or by clicking on the icon The chart which contained no informatio
12. ov Oum le uit EE AEREE EREE PETNE 11 4 4 Configuring thesaCtatOrs een se nagnabnnws ires e EE ESEE E EE EEEE E ERRES 13 5 Computing the SIF S PED wccccccccccscccseccvcscrscovsseedcsessccccesssessdcosasoseescssessevessscsesansssdssaesswessesdescseess 17 O a E T T T O A 19 6 1 Charts Edit WNdOW semaisi nnie E EE AEE Meet RRE ERE EEE EEE EEE E EERE EREE 19 6 2 Editing th CULVES issus A sn EEEE EEEE AE EEEE EE EEEE EEEE EEEE EEE 20 7 Generating reports lt i seciecscsseescsdecceessscccascsecccsssacscosccssecdecacecevesanssaesescceessnedsesteesccecasecacesasescueekes 21 Fel Generality et detail ses inie o e R ue nee E RE EEEE E OET ES 21 Pees RESTIS IE eer a E E e N 22 Tar Different reports 25s seen e N T EO E A a TEE GR 22 Bs GlOSSALY i sswssssccscsussccacsssseseccesecescossacesceussecssesdesscusseassssdeacencansessassseonsaueesecseussunsssassssssscstaneascsees 25 Oe le HOTIMAL aiccae sac ancacen a E EA E E E E E EA 25 8 2 Definition and explanation of the acronyms and parameters cee eeeeeece ee ceeeceeeeeeeeaeeea tees 25 9 Appendix ssisscccrestssessccivecssiessesseccuscustsassowaccaescvausencecadeasscssessasecasenesscsessesecsonnsacsassgesessceaesavescosees 27 9 1 Data Editing Tables e Sasra od ERE I EEES od EE E REE ERR 27 9 11 Descrption OF the Tables coression r EE O REENE 27 g 1 2 Arrangement of tables e E E ANE E E EE 28 9 1 3 Table Cleamin oiiro nonea E e E E E E EE EN EE E A Ei 29 9 2 Options of GRIF
13. parameters The parameters table contains all of the model s parameters Parameters Sensors Solver Actuators Report K E T iS X 2 Name Value Linkedto Dimension Last datab Param_1 true Boolean Param_2 12 0 Factor Param_3 9 4 Other Param_4 0 0010 Probability Param_5 0 028 Rate Param_6 3672 0 Time Each parameter is defined by the following e Name the parameter s name unique e Value the parameter s value consistent with its dimension Linked to the identifier of the database to which the parameter is linked e Dimension the parameter s dimension It is selected from a drop down menu Boolean factor probability rate time other e Last database last database used to update the parameter The parameters can then be used to fill in the characteristics of the safety loop s components This table can be accessed using the tabs situated on the right but can also be opened in another window via the menu Data and Computations Edit parameters User manual 8 31 e TOTAL 4 2 Configuring the sensors The sensors of the safety loop can be configured in the Configuration of components Sensor s Part tab Each sensor can be accessed separately in the sub tabs 1 1 1 2 etc The first number before the dot is the chanel number the second after the dot is the position in the chanel I Configuration of architecture Config
14. revealed failure can be detected e Detected applies to the equipment and means detected by diagnostic tests periodic tests or human intervention e g physical inspection and manual tests or during normal operation e DCS Distributed Control System e Determinate A component can be one of these 3 types Non Safety Standard or Field proven e Duration between tests T1 period of time between two proof tests of the component e E E PE electrical electronic programmable electronic Technology based on electricity E and or electronics E and or programmable electronics EP NB This term designates all devices which work according to electrical principles Efficiency of partial stroking tests Proportion of detected failure proportion of hidden failures detected during partial stroking tests 0 100 0 means no failure is detected 100 means every failure is detected External PDF Report this type of report can be circulated outside the site It is a summary of the main results e Failure a functional unit ceases to accomplish its required function Internal PDF Report this type of report is very detailed It includes all the information on the results obtained the input parameters etc Lambda failure rate of the component h Lambda during test A failure rate of the component during the tes h The test conditions may cause extra stress and increase the lambda Lambda D A d danger
15. sensors e Solver position name of the solver e Actuators position instrument tags of the SIF actuators PID number of the PID e Data source source of the data used in the computations e g TOTAL EXIDA OREDA etc e Comments comments User manual 21 31 7 2 Result SIL G n ralit SIF D tail SIF R sultat SIL Pour la SIF capteurs solveur actionneurs Valeur SIL requis 2 Valeur RRF requis 120 Valeur max SIL atteignable du aux contraintes architecturales Capteurs 2 Actionneurs 2 Calculs Dur e d exploitation ann es 30 PFD 1 3196E 2 SIL Calcul 1 RRF Calcul 75 R sultats Valeur SIL r alis 1 Conclusion du SIL pour la SIF Non conforme SIL limit par la PFDAvg de la SIF Remarque iL L Commentaires Synthesis PFD RRF SIL Partie Capteur 2 95E 3 338 91 2 22 36 Partie Solveur 5 00E 4 2000 00 3 3 79 Partie Actionn 9 79E 3 102 14 2 74 19 SIF 1 32E 2 75 78 1 100 Result SIL tab do a synthesis of results On the top of the tab you must specify the objectives to be reached e Required SIL value of the SIL required for the SIF e Required RRF value of the RRF required for the SIF Then the softwre reminds you the maximum reachable SIL of each part not available if many chanels e Maximum reachable SIL for sensors maximum SIL which can be reached by the senso
16. to give a title to the graphic Data List This part contains a three column table listing the chart s different curves name description display curve colour curve style curve thickness Several buttons are available above this table Up t moves the selected curve upwards in the list Down moves the selected curve downwards in the list e Save as default model saves current chart setting as default setting for new documents For each curve you can specify its colour its style of points its thickness and its display options Style This part deals with displaying curves e Style type specifies the type of all the chart s curves line or histogram N B For histogram style bars going outside drawing zone will be drawn with a gradient to warn user that he has to change intervals to see the entire bar Intervals on X and Y Specifies the display interval for the X and Y axes default interval or user defined interval This last function can for example be used to zoom in on the most interesting parts of the curve The log check boxes are used to enable the logarithmic scale on the axis concerned Important 0 cannot be represented on a log scale remember to give a strictly positive starting point e g E 10 If 0 is given the log scale will start with an arbitrary value E 15 User manual 19 31 TOTAL When domain axe deals with time you can choose time unit among hours days months years Default display i
17. 2 TOTAL GRIF 2011 Module SIL GRaphiques interactifs pour le Fiabilit bilit User manual Version 31 January 2011 Copyright 2011 Total Table of Contents 1 Introduction ccccssescsccssecccccerecscceeecssceenecssceesesescensesesceeseeesceeseeesceeneessceeeeeesceeneeesseeeeeesesenes 3 2 Prerequisites and Installation ccesssscssscccssscessscccesceesessesscccsesceesssseeccessesseessccsescessesesesseees 4 2 1 Pr r quisites z fer Manet ox nckask mire nd nee em ac tenant d ment ame rentr es a EE een tane ts 4 2 2 Installation of TOTAL version without sise 4 2 3 Installation of retail version with installer and demonstration Version 4 DA SAVING corer aoier E A E E O E hesniliass penues ptungnngesveusi seunondngeue musgenredasaureeaeannoenlays 4 29 Faune hing espn terce e asn E a ea o NEE R over EEA PI E E E OEO ES 5 3 Selecting the SIS architecture ccssscsssccssccssccsscceccesccesecesecscesccesceesccesccesesescesssescsscseseees 6 4 Editing the architecture cccssccssssccssssccsscccescescscccesceeeessecssccsenseeeeccsescessesseeecccsessessesesonce 8 4 1 Editing the parameters 5 sens munenste dune ci NEET EE uen EEE EEE KESE EEE title des E 8 4 2 CODMPULING the SENSOLS sc ssssete eneen dns EEEE EEEa eau eue ENET OEE EEEE E ne shies een pod ent 9 4 3 Configuring th Solver cecinere Enne se de ekor rE AE EEEE TEE saan
18. 6 3 2 1 Compliant with SIL Comments Component Parameters Sensors Si ct Law When unit is stopped Lambda 3E 6h7 LambdsD Lambda 60 DC 70 MTTR 96Hours Switching time 8Hours T1 6Years Gamma 0 T0 6Years 32 e2 Law When unit is stopped Lambda 3E 6h LambdaD Lambda 60 DC 70 MTTR 96Hours Switching time 8Hours T1 6Years Gamma 0 TO 6Years Actuators Al Al Law When unit is stopped Lambda 1 5E 6h LambdaD Lambda 25 DC 0 MTTR 96Hours T1 6Years Gamma 0 T0 6Years Solver SOLVER SOLVEUR Law Constant PFD solver 0 0005 SIL solver 3 24 31 8 Glossary 8 1 Format All values can be entered in two different ways e Normal notation the decimal separator is the dot e g 0 0000015 e Scientific notation the decimal separator is the dot e g 1 5E 6 which corresponds to 0 0000015 8 2 Definition and explanation of the acronyms and parameters Beta 8 proportion of common cause failures in e CCF or DCC Common Cause Failure When several identical elements are put in a system there is always a probability that they will fail at the same time from a common cause design problem external phenomena for example This is called a common cause failure e Component available during test X specifies whether the component is able to carry out its safety mission during the test if the checkbox is checked e DC on line diagnostic coverage and is a rate between 0 and 100 A 0 rate means that no
19. VER Solver type S PLC v Configuration Configuration type Simple v Instrument parameters PFD of Solver 0 0005 v probability SIL computed from PFD 3 PFH of Solver 0 00000005 v probability SIL computed from PFH 3 The solver is configured using the following parameters e Tag solver s instrument tag on PID e g 10 ESD 06 User manual 11 31 e TOTAL e Solver type type of solver used It is selected from a drop down menu e Configuration type specifies the solver s configuration type Two types of configuration can be selected from the drop down menu e Simple the solver is modelled by a constant law e Advanced the solver is modelled by a full periodic test law The parameters of the solver are described under Instrument parameters They depend on the type of configuration which has been selected In the case of a simple configuration the parameters are as follows e PFD of solver probability that the solver will not work when triggered This value can be edited manually or selected from a drop down list displaying all of the parameters with a Probability dimension SIL computed from PFD automatically displays the solver s SIL computed based on the solver s PFD PFH of solver the PFH of the solver given by manufacturer or by experience feedbacks e SIL computed from PFH automatically displays the solver s SIL
20. advanced parameters of the actuator are as follows Component available during test X specifies whether the component is able to carry out its safety mission during the test if the checkbox is checked Lambda during test A failure rate of the component during the tes h The test conditions may cause extra stress and increase the lambda This value can be edited manually or selected from a drop down list displaying all of the parameters with a Rate dimension It is possible to indicate that the value is to be equal to lambda A du Test duration 7 Pi period of time necessary for testing the component The time unit is selected from a drop down list hours days months years The value of the duration can be edited manually or selected from a drop down list displaying all of the parameters with a Time dimension Test efficiency rate o Sigma cover or efficiency rate of the test The value ranges from 0 the test never detects anything to 1 the test always detects the failure This value can be edited manually or selected from a drop down list displaying all of the parameters with a Probability dimension Wrong re setup Omega probability 0 1 of wrong re setup of the equipment after the test It is the probability that the component will not be able to carry out its safety mission after being repaired by the operator It can be left at 0 if you consider that the operators and test procedures are infallible no omission
21. ame conflict Tries to avoid name conflict creating new objects whose name is unik when pasting for example e Synchronise view with tables Select objects in tables on the right when they are selected in view e Synchronise view with explorer Select objects in explorer on the left when they are selected in view 9 2 5 Graphics Graphics tab enables to modify GUI look e Element Zoom Changes graphics size e Comment size Changes comment font size e Activate smoothing for texts Activate anti aliasing smoothing for texts it can slow the display e Activate smoothing for images Activate anti aliasing smoothing for images it can slow the display e Activate tooltips Activate tooltip system User manual 30 31 9 2 6 Digital format Digital format tab enables to customize digits display Display of parameters Specifies the display of parameters number of digits 9 2 7 Links Links tab enables to change links display Label size Specifies label font size Link arrow width Specifies arrow width Link arrow height Specifies arrow height 9 2 8 Curves Charts tab enables to change charts drawing Set graphics borders Add borders to charts Set generic values borders Add borders to generic values under charts Display grid Display grid on curves area Display legends Display legends under curves Drawing zone transparency Activate curves area transparency Graphic transpa
22. ciation between each line filter criterion A line is a Boolean expression divided into 3 parts 1 the first is the column on which the filter is used 2 the second is the comparator 3 the third is the value to which the data will be compared If the Boolean expression is true the data will be kept displayed otherwise the data will be masked When the filter is enabled its value is displayed between lt and gt The data in a column can be sorted by double clicking the header of this column The first double click will sort the data in ascending order small triangle pointing upwards The second double click on the same header will sort the column in descending order small triangle pointing downwards A table can contain many columns some columns may be unnecessary in certain cases The linked to database column is unnecessary when no database is available It is thus possible to choose the columns to be displayed and their order To do this click right on a table header or click the Columns Manager button the following window opens Columns manager x Select columns that have to be displayed and their order Name W value m CiLinkea to t L_ Dimension mr Last database ke Desactivate data sorting fastest You can choose the columns to be displayed by selecting or deselecting the corresponding check boxes The arrows on the right are used to move the columns up or down in the li
23. computed based on the solver s PFH In the case of an advanced configuration the parameters are as follows Test Duration between tests T1 6 v Years KEIKI f T Time of the first test T0 6 v Years Instrument parameters Lambda A 5E 4 vin MTTR 96 NA Hours Iv Test leads to failure y 0 probability Advanced configuration e Duration between tests T1 period of time between two proof tests of the component The time unit is selected from a drop down list hours days months years The value of the duration can be edited manually or selected from a drop down list displaying all of the parameters with a Time dimension the model s parameters can be edited in the Parameters tab e Time of the first test T0 time at which the first test of the component is carried out The modes for editing this characteristic value and unit are the same as for the duration between tests Lambda failure rate of the component h This value can be edited manually or selected from a drop down list displaying all of the parameters with a Rate dimension e MTTR inh mean time between detection of a failure and the repair of the component Mean Time To Repair The time unit is selected from a drop down list hours days months years The value of the duration can be edited manually or selected from a drop down list displaying all of the parameters with a Ti
24. ecify the operating duration and launch computation On the right the Parameters tab contains the definitions of the model s parameters the Sensor s tab is used to configure the safety loop s sensors the Solver tab is used to configure the solver the Actuator s tab is used to configure the actuators and the Report tab contains the information pertaining to the reports The Configuration of architecture tab enables to define architecture Each modification made on the tab is visible on piture of architecture Configuration de l architecture Configuration des composants l Rapport Param tres Sensors architecture E Nombre de canaux 2 M Configuration des canaux 1002 v Prendre en compte les D faillances de Cause Commune Beta inter canaux 2 0 Canal1 Canal2 Nombre de capteurs 3 v Configuration des capteurs 1003 v S v C Prendre en compte les D faillances de Cause Commune Beta capteurs Actuators architecture et Nombre de canaux 2 Configuration des canaux 1002 w Prendre en compte les D faillances de Cause Commune Beta inter canaux Canal Canal Nombre d actionneurs 2 Configuration des actionneurs 1002 v lll v Prendre en compte les D faillances de Cause Commune Beta actionneurs 2 0 Beta sous actionneurs 2 0 Acti
25. een by passed to be tested and the installation has not been stopped Remark it is also possible to specify that the component will undergo no periodic test e Duration between tests T1 period of time between two proof tests of the component The time unit is selected from a drop down list hours days months years The value of the duration can be edited manually or selected from a drop down list displaying all of the parameters with a Time dimension the model s parameters can be edited in the Parameters tab e Time of the first test T0 time at which the first test of the component is carried out The modes for editing this characteristic value and unit are the same as for the duration between tests Lambda failure rate of the component h This value can be edited manually or selected from a drop down list displaying all of the parameters with a Rate dimension LambdaD Lambda Ad A proportion of dangerous failures among the total number of failures This value can be edited manually or selected from a drop down list displaying all of the parameters with a Factor dimension e DC on line diagnostic coverage and is a rate between 0 and 100 A 0 rate means that no revealed failure can be detected This value can be edited manually or selected from a drop down list displaying all of the parameters with a Factor dimension e MTTR inh mean time between detection of a failure and the repair of the component Mean Time To Re
26. ensor another main actuator when editing a main actuator or another main or sub actuator when editing a sub actuator The reference component is selected from a drop down list This functionality can only be accessed when the SIF comprises several components of the same type If the checkbox is checked only the Tag and Instrument type characteristics of the component can be edited the others are identical to the reference component Copy another component s parameters enables you to copy the parameters of another component of the same type This functionality can only be accessed when the SIF comprises several components of the same type Only the characteristics Tag and Identical to are not copied The components available are the same as those displayed for the functionality Identical to Modify the default parameters of the application enables you to manage the default parameters of the application and the document model system Four actions can be chosen from the drop down menu displayed with a left click on the button Save as default model Save as default model saves the component s characteristics in the default model Re intialyse to default values Re initialyse to default values copies into the component the characteristics stored in the default model Save in a model file Saveinamodel file saves the component s characteristics in a model file whose location must be specified This file can be reu
27. hitectural constraints forthe SIF th 1 1 PRDAve 0105H6 3 2 1 Compliant with SIL Comments Component Parameter Other parameter Semon SI a aw Wben unit is stopped LambdiiE nl LambdnD Lanbds 60 DO 70 MTTR S6Hows Switching time Hours TI SYears Gamm 0 To 6Years EJ a TaweWhen unit is stopped Landes Lamb amp aD Lambdamd0h DC 70 e MITR 96Hows Switching time Hours Tl SYears Gamma T06 Years Amor Al a Law When unit i mopped Lambda 55 6 LambdaD Lanibd 258e DO 0 MITR 96Hows Ti SVears Gamms 0 T0 6Yenrs 23 31 External PDF report User manual E workspace JaGrif4 09 1 RegressTest Tree DDS 090618 DocEn jtr GRIF 4 9 1 RC6 SIF Identifier Revision Produced by Checked by Validated by 789765465 10 Doe R Smith P Jack Location Project FRANCE AQUITAINE LACQ Process Units Unit SIF fimetion Prenvent high pressure SIF description System to prenvent from high pressure Sensors PT 456 PT 888 Solver PLET Actuators SOV 741 PD 4456546 Data source TOTAL Comments No comment PFDavg over the period 0 0105446 Required SIL Calculated SIL for the SIF Max reachable SIL for sensors Max reachable SIL for actuators Achieved SIL Conclusion of SIL for for the SIF architectural constraints architectural constraints forthe SIF the SIF z 1 FDAvg 0 010544
28. me dimension Test leads to failurey Gamma probability 0 1 that the test will cause the hardware to fail 0 no test causes any failure 1 100 of the tests cause failures This value can be edited manually or selected from a drop down list displaying all of the parameters with a Probability dimension User manual 12 31 e TOTAL Other parameters can be accessed by left clicking on the Advanced configuration button only for a solver configured in advanced mode Edit advanced configuration x Advanced test parameters L Component available during test X Lambda during test A 0 Y n C Equal to Lambda Test duration 1 3 z Hours Test efficiency rate o 1 v probability Wrong re setup w 0 01 probability cast O e Component available during test X specifies whether the component is able to carry out its safety mission during the test if the checkbox is checked Lambda during test failure rate of the component during the tes h The test conditions may cause extra stress and increase the lambda This value can be edited manually or selected from a drop down list displaying all of the parameters with a Rate dimension It is possible to indicate that the value is to be equal to lambda A du Test duration 7 Pi period of time necessary for testing the component The time unit is selected from a drop down list hours days months yea
29. n e MTTF in h indicates the mean time between the start up of the system and the occurrence of the first failure Mean Time To Failure It is the average time of operation before the first failure occurs A 1 MTTF for a component There may be information between brackets number of histories where a failure occurred number of histories played out if there is no failure there will logically be no time of first failure and the history will not be taken into account when computing the MTTF This is why the number of stories used for computing the MTTF is indicated Depending on the end user of the software this function may or may not be accessible User manual 18 31 Q TOTAL 6 Charts Curves are drawn to study the results better Five curves are available PFDAvg t PFDsysem t PFD actuators t PFDsove t PFDsensors t 6 1 Charts Edit window The Charts Edit window is displayed when user double click on charts A Charts Edit xi Charts title PFD Data List Curve leg Show Color Style PFD WW Black No point PFD Avg WW Red No point Actuators a Magenta No point Sensors a Blue No point Solver WW Green No point Style v Automatic interval Interval on X begin end Log Interval on Y begin end _ Log Time unit Years v This window is divided into several parts 1 2 Charts Title allows you
30. n has now been updated T GRIF SIL Module Sif1 sil BEE File Edit Tools Document Data and Computations Group Help normal Ria o l operang duration years 30 0 Xp Su h HI Configuration of components Report Parameters Configuration of architecture L Sensors architecture Number of chanels a5 Configuration of chanels 1001 v Take Common Cause Failures into account Beta inter chanels Chanel 1 r Number of sensors 3 M Configuration of sensors 2003 x S x x Take Common Cause Failures into account Beta sensors 20 Actuators architecture Number of chanels 2 w Configuration of chanels 2002 w C Take Common Cause Failures into account Beta inter chanels Chanel1 Chanel2 Number of actuators 2 Configuration of actuators 1002 v z C Take Common Cause Failures into account 25 5 75 10 125 15 176 20 225 26 275 30 Years PFD t Mean 1 0899E 3 SILO 0 SIL1 0 SIL2 47 673 SIL3 52 327 SIL4 0 PFDAvg Maximum 1 0899E 3 PFDAvg PFD t Actuators Sensors Solver Beta actuators Beta sub actuators Actuator 1 Actuator 2 1 actuator and 1 v sub actuator s
31. ndergo no periodic test e Duration between tests T1 period of time between two proof tests of the component The time unit is selected from a drop down list hours days months years The value of the duration can be edited manually or selected from a drop down list displaying all of the parameters with a Time dimension the model s parameters can be edited in the Parameters tab e Time of the first test T0 time at which the first test of the component is carried out The modes for editing this characteristic value and unit are the same as for the duration between tests Lambda failure rate of the component h This value can be edited manually or selected from a drop down list displaying all of the parameters with a Rate dimension LambdaD Lambda Ad A proportion of dangerous failures among the total number of failures This value can be edited manually or selected from a drop down list displaying all of the parameters with a Factor dimension e DC on line diagnostic coverage and is a rate between 0 and 100 A 0 rate means that no revealed failure can be detected This value can be edited manually or selected from a drop down list displaying all of the parameters with a Factor dimension e MTTR inh mean time between detection of a failure and the repair of the component Mean Time To Repair The time unit is selected from a drop down list hours days months years The value of the duration can be edited manually
32. nt is selected from a drop down list This functionality can only be accessed when the SIF comprises several components of the same type If the checkbox is checked only the Tag and Instrument type characteristics of the component can be edited the others are identical to the reference component Copy another component s parameters enables you to copy the parameters of another component of the same type This functionality can only be accessed when the SIF comprises several components of the same type Only the characteristics Tag and Identical to are not copied The components available are the same as those displayed for the functionality Identical to Modify the default parameters of the application enables you to manage the default parameters of the application and the document model system Four actions can be chosen from the drop down menu displayed with a left click on the button Save as default model Save as default model saves the component s characteristics in the default model User manual 9 31 e TOTAL Re intialyse to default values Re initialyse to defauit values copies into the component the characteristics stored in the default model Save in a model file Save in a model file saves the component s characteristics in a model file whose location must be specified This file can be reused or sent to another person Use a model Use a model copies into the component the charac
33. onneur 1 Actionneur 2 1 actionneuret 1 w sous actionneur s v The top part of the tab Configuration of architecture enables to define the configuration of sensor part Possible choices are The number of chanels and the logical configuration between chanels e Taking Common Cause failure into account for all sensors e Number of components in each chanel and the configuration of these components in the chanel Taking Common Cause failure into account for sensors of a chanel The bottom of Configuration of architecture tab enables to define the configuration of sensor part Possible choices are The number of chanels and the logical configuration between chanels e Taking Common Cause failure into account for all actuators e Number of actuators in each chanel and the configuration of these components in the chanel For each actuator the number of sub actuators 0 1 or 2 User manual 6 31 e TOTAL e Taking Common Cause failure into account with a different Beta for actuators and for sub actuators User manual 7 31 4 Editing the architecture The objective is to specify the values particular to each element of the SIF being studied NB In the following chapters all the numerical values entered can be real numbers where the decimal separator is a dot It is possible to write them as such 0 0000015 or in scientific notation 1 5E 6 4 1 Editing the
34. or selected from a drop down list displaying all of the parameters with a Time dimension Test leads to failurey Gamma probability 0 1 that the test will cause the hardware to fail 0 no test causes any failure 1 100 of the tests cause failures This value can be edited manually or selected from a drop down list displaying all of the parameters with a Probability dimension e Switch time parameter is the period of time during which the component causing the failure is disconnected from the system and replaced by a component in working order This time is necessarily lower than the MMTR User manual 10 31 TOTAL The advanced parameters of a sensor can be specified by left clicking on the Advanced configuration button Edit advanced configuration x Advanced test parameters _ Component available during test X Lambda during test A 0 A Ww Equal to Lambda Test duration nr 3 Hours Test efficiency rate a 1 w probability Wrong re setup w 0 01 probability The advanced parameters of the sensor are as follows e Component available during test X specifies whether the component is able to carry out its safety mission during the test if the checkbox is checked Lambda during test A failure rate of the component during the tes h The test conditions may cause extra stress and increase the lambda This value can be edited
35. ous failures Failure with the potential to put the safety system into a dangerous state or make it unable to carry out its function e MDT in h indicates the mean time between the occurrence of a failure and the re start of the system Mean Down Time It is the average downtime e MTTF in h indicates the mean time between the start up of the system and the occurrence of the first failure Mean Time To Failure It is the average time of operation before the first failure occurs A 1 MTTF for a component e MTTR inh mean time between detection of a failure and the repair of the component Mean Time To Repair e Non detected Undetected applies to the equipment and means non detected by diagnostic tests periodic tests or human intervention e g physical inspection and manual tests or during normal operation e Number of tests number of partial stroking tests carried out between two full tests e Operating duration Years means the foreseen operating industrial duration of the Safety Instrumented Function SIF installed on its process unit e PFD Probability of Failure on Demand Cf Norm IEC61508 Can be defined as Unavailability e PFH Probability of Failure per Hour Cf Norm IEC61508 Can be defined as Unconditionnal Failure Intensity e Redundancy implementation in parallel of elements which have the same safety function so that the sub system is more available User manual 25 31 e TOTAL whose symbol is
36. pair The time unit is selected from a drop down list hours days months years The value of the duration can be edited manually or selected from a drop down list displaying all of the parameters with a Time dimension Test leads to failurey Gamma probability 0 1 that the test will cause the hardware to fail 0 no test causes any failure 1 100 of the tests cause failures This value can be edited manually or selected from a drop down list displaying all of the parameters with a Probability dimension Important NB about Sub actuators Sub actuators do not have a Determined character of the component characteristic The section relating to this characteristic does therefore not appear when configuring the sub actuators As a rule the sub actuator has the same character as the one defined for its main actuator User manual 15 31 e TOTAL The advanced parameters of an actuator main or sub can be specified by left clicking on the Advanced configuration button Edit advanced configuration x Advanced test parameters L Component available during test X Lambda during test A 0 w w C Equal to Lambda Test duration 1 3 7 Hours b A Test efficiency rate a 1 probability Wrong re setup w 0 01 probability Partial stroking test y With partial stroking test Efficiency 0 v Number of tests 1 The
37. rency Activate charts transparency Title size Specifies charts title font size Generic values size Specifies generic values font size Point size Specifies point size on curves Coordinates size Specifies coordinates font size Legend size Specifies legends font size Max number of points Specifies maximum number of points to be drawn Max number of points to save Specifies maximum number of points to be saved Draw S LL Horizontal lines are drawn at E 1 E 2 E 3 E 4 Save points in document Specifies if points of charts have to be saved in document Vertical abscise for histogram Display coordinate of abscise verticaly User manual 31 31
38. rs The value of the duration can be edited manually or selected from a drop down list displaying all of the parameters with a Time dimension Test efficiency rate o Sigma cover or efficiency rate of the test The value ranges from 0 the test never detects anything to 1 the test always detects the failure This value can be edited manually or selected from a drop down list displaying all of the parameters with a Probability dimension Wrong re setup Omega probability 0 1 of wrong re setup of the equipment after the test It is the probability that the component will not be able to carry out its safety mission after being repaired by the operator It can be left at 0 if you consider that the operators and test procedures are infallible no omission of a by passed sensor powering up the motor etc This value can be edited manually or selected from a drop down list displaying all of the parameters with a Probability dimension 4 4 Configuring the actuators The actuators of the safety loop can be configured in the Configuration of componentsActuator s Parts tab The actuators can be classified as follows e Main actuators they are set up in parallel and have 0 1 or 2 sub actuators e Sub actuators they are set up in series with their respective actuators The sub actuators of a same main actuator are set up in parallel User manual 13 31 TOTAL each main actuator can be accessed separately in the sub tabs A1 1 A1
39. rs due to architectural constraints e Maximum reachable SIL for actuators maximum SIL which can be reached by the actuators due to architectural constraints The Computation part reminds the computed values e Operation duration The duration used to do computation e PFD or PFH computed PFDAvg or PFH e Computed SIL SIL obtained with computed PFD or PFH Architectural contraints are not taken into account e RRF Calcul RRF obtained with computed PFD or PFH Then the results part says if objectives are reached or not e Achieved SIL SIL obtained for the SIF according to the PFD computation and architectural constraints e Conclusion of SIL for the SIF conclusion compliant or non compliant e Remark Remark generated by the software It shows the part whose Max SIL is limiting e Comments Comments made by user At the end of the tab a table shows you values for each part in order to identify the most important contributor 7 3 Different reports When all the computations have been carried out two types of report can be generated e Internal PDF Report this type of report is very detailed It includes all the information on the results obtained the input parameters etc User manual 22 31 TOTAL e External PDF Report this type of report can be circulated outside the site It is a summary of the main results The language of the report English or French can be selected for each type of report
40. s hours because it is the usualy used unit for modeling It s only available in SIL module 6 2 Editing the curves When a curve is edited with a double click on its name in list of curves the curve edition window is displayed The following window id displayed GRIF Module SIL x Legends PFD Value to be displayed Minimum Maximum y PFD Avg y NotSIL y SIL1 W SIL2 SIL3 v SIL4 The window is divided into three parts e Legends enables you to give a title to the curve e Value to be displayed used to select the values which are to be displayed or not below the curve For SIL curve probability functions of times available values are e NonSIL percentage of time spent in SIL 0 e SIL 1 percentage of time spent in SIL 1 e SIL 2 percentage of time spent in SIL 2 e SIL 3 percentage of time spent in SIL 3 e SIL 4 percentage of time spent in SIL 4 e PFDMax the maximum instantaneous PFD over the period studied PFDAvsg the average of the PFD over the period studied For average probability curves like PFDAvg available values are e Minimum the minimum value of the average PFD over the period studied e Maximum the maximum value of the average PFD over the period studied e Mean the average value of the average PFD over the period studied which is NOT the PFDAvg When the values are entered just click on
41. sed or sent to another person User manual 14 31 e TOTAL Use a model Use a model copies into the component the characteristics stored in a model whose location must be specified e Determined character of the component enables you to specify the component s determined character The component is characterised by one of the three characters available Non safety indicates that the component is operating in negative safety mode energise to trip and has no self diagnostic system Standard indicates that the component is operating in positive safety mode fail safe or is equipped with a self diagnostic system Field proven indicates that the component is operating in positive safety mode fail safe and proven in use or certified and equipped with a self diagnostic system or implementation of regular proof tests and has protected access safeguarding the settings of the internal configuration parameters e Test type enables you to specify the type of test used for the component Two types of test can be selected from the drop down menu e Test when unit is stopped means that the component is tested when the unit is stopped The test does not harm the safety function as the unit is no longer working e Test when unit is working means that the component is tested when the unit is working The component is no longer available to carry out its function and this affects the safety function This can be used when a sensor has b
42. st to choose the order of the columns The Disable data sorting check box disables the data sorting This improves the application s performance with very complex models 9 1 2 Arrangement of tables As said before tables are available in Data and Computations menu In this case each table is openned in a separate window To decrease number of openned windows tables are gathered in a tabbed pane at the right of the application The pane can be hiden with the little arrows at the top of split pane User manual 28 31 LIOLX it Parameters Link Dim Last Other Other Other Localization 31 201 TOTAL You can chose displayed tables with a right clic on the title of the tabs 9 1 3 Table Cleaning Data may not be used anymore it can be used usefull to delete every unused data To facilitate removal use Data and Computations Unused data deletion menu Unused data deletion x Following data are not used in model Parameters Lambda1 j Lambda2 O Mu Select all Unselect all Select data you want to delete and click OK OK Cancel Help This window displays unused data Select data you realy yan to delete and click OK 9 2 Options of GRIF SIL Tools Application Options menu opens a window containing the following tabs 9 2 1 Executables Executables tab enables
43. teristics stored in a model whose location must be specified e Determined character of the component enables you to specify the component s determined character The component is characterised by one of the three characters available Non safety indicates that the component is operating in negative safety mode energise to trip and has no self diagnostic system Standard indicates that the component is operating in positive safety mode fail safe or is equipped with a self diagnostic system Field proven indicates that the component is operating in positive safety mode fail safe and proven in use or certified and equipped with a self diagnostic system or implementation of regular proof tests and has protected access safeguarding the settings of the internal configuration parameters e Test type enables you to specify the type of test used for the component Two types of test can be selected from the drop down menu e Test when unit is stopped means that the component is tested when the unit is stopped The test does not harm the safety function as the unit is no longer working e Test when unit is working means that the component is tested when the unit is working The component is no longer available to carry out its function and this affects the safety function This can be used when a sensor has been by passed to be tested and the installation has not been stopped Remark it is also possible to specify that the component will u
44. the internal PDF report is generated from the menu File Create a report Internal PDF report en report written in English or from the menu File Create a report Internal PDF report fr report written in French The external PDF report is generated from the menu File Create a report External PDF report en report written in English or from the menu File Create a report External PDF report fr report written in French In all four cases you must select the location where the PDF file is to be stored and click on save When the report is generated it is opened with the programme associated with the PDF format generally Acrobat Reader Internal PDF report User manual E workspace JaGrif 09 1 RegressTest Tree DDS 090618 DocEn jtr GRIF 49 1 RC6 SIF Identifier Revision Date Produced by Checked by Validated by 789765465 fio 20090619 JDoe R Smith P Jack Sova Al cs cz 1002S Location Project FRANCE AQUITAINELACQ Process Unis Unie SIF function Prenvert high pressure SIF description System to preavent from high pressure Sensors PT 356 97 888 Solver PLOT casiers SOV PID Hess Dua suce TOTAL Comments No comment PFDavg over the period 0 0105446 Required SIL Calculated SIL for the SIF Max reachable SIL for sensors Aaz reachable SIL for actuators Achieved SIL Conclusion of SIL for e SIF for the SIF architectural constraints arc
45. to specify path to external executables Editor path Specifies text editor path Automatically open PDF files Specifies if PDF reports must be openned avec generation Style sheet from XML to DocBook Style sheet allowing converting from XML report to docbook file Style sheet from XML to HTML Style sheet allowing converting from XML report to HTML file Style sheet from DocBook to PDF Style sheet allowing converting from docbook file to PDF file Moca RPC path Specifies Moca version 12 path Javaw path Path of javaw exe executable Style sheet from XML to DocBook for internal SIL report Style sheet allowing converting from XML report to docbook file for internal SIL report Style sheet from XML to DocBook for external SIL report Style sheet allowing converting from XML report to docbook file for external SIL report User manual 29 31 9 2 2 Database Database tab enables to configure database connection e Use DataBase connection for parameters Select if database must be use e Name Database name will be put into parameter during its update It enables to know from which database parameter has been lastly updated e JDBC Driver Enter name of JDBC driver to be used sun jdbc odbc JdbcOdbcDriver oracle jdbc driver OracleDriver e Connection to database Database Url e Connection options Connection properties e Login Login to be used to connect to database e Password Password to be used to
46. ts anything to 1 the test always detects the failure Test leads to failurey Gamma probability 0 1 that the test will cause the hardware to fail 0 no test causes any failure 1 100 of the tests cause failures Test when unit is stopped means that the component is tested when the unit is stopped The test does not harm the safety function as the unit is no longer working Test when unit is working means that the component is tested when the unit is working The component is no longer available to carry out its function and this affects the safety function This can be used when a sensor has been by passed to be tested and the installation has not been stopped Time of the first test TO time at which the first test of the component is carried out Vote with D type architecture the invalidity of the sensor triggers no action other than an alarm availability Vote with S type architecture the invalidity of the sensor triggers the safety system Safe Wrong re setup Omega probability 0 1 of wrong re setup of the equipment after the test It is the probability that the component will not be able to carry out its safety mission after being repaired by the operator It can be left at 0 if you consider that the operators and test procedures are infallible no omission of a by passed sensor powering up the motor etc User manual 26 31 9 Appendix 9 1 Data Editing Tables 9 1 1 Description of the Tables
47. uration of components Report Parameters Sensor s Part Solver Part Actuator s Part Chanel1 Chanel 2 1 1 1 2 S13 Identification Tag Name 1 1 instrument type Flow transmitter v 1 Identical to Bb Determined character of the component Component Non safety Standard Field proven Test Test type When unit works v Duration between tests T1 6 v lYears v Time of the first test TO 6 v lYears v Instrument parameters Lambda A 1 5E 6 vin LambdaD Lambda Ad A 25 vi DC 70 v L MTTR 96 Hours v Switch time 8 v Hours v Test leads to failure y 0 probability Advanced configuration In the following paragraph the sensor will be called the component The component is configured using the following parameters e Tag component s instrument tag on PID e g 10 PT 2034 for a sensor or 10 UV 2034 for an actuator e Instrument type type of instrument used It is selected from a drop down menu e Identical to used to specify whether the component is identical to another component of the same type i e a sensor when editing a sensor another main actuator when editing a main actuator or another main or sub actuator when editing a sub actuator The reference compone
48. utation of SDF values A window for configuring the simulation appears lt Compute RAMS values E xi computation target SIS v Duration of exploitation 43800 Number of histories 10000 Cancel Help e Computation target enables you to specify the target studied by the computations e Duration of exploitation in h enables you to specify the period of time over which the simulation will be carried out e Number of histories enables you to specify the number of histories played out The results obtained are values generally computed in dependability Compute RAMS values 0 xj computation target SIS 9260 histories done Duration of exploitation 43800 Hours 5 Years MDT in h 2194 55 Hours 3 Months 1 Days 10 55 Hours Unavailability at t 43800 0 hours 9 8488E 2 Average Unavailability 5 0104E 2 MTTF inh 21407 46 Hours 2 Years 5 Months 11 Days 23 46 Hours 1206 9260 e Duration of exploitation in h recalls the duration of exploitation entered previously e MDT in h indicates the mean time between the occurrence of a failure and the re start of the system Mean Down Time It is the average downtime e Unavailability at t xxx indicates the probability that the system will be unavailable at time t Time t xxx is equal to the duration of exploitation e Average unavailability indicates the mean unavailability over the duration of exploitatio
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