1. Relex Reliability Software “the intuitive solution!” Relex Software Corporation 1

2. 2 Relex Reliability Prediction Relex Project Database Input Format File Default Parameters File Derating File Mission Profile File Library Files Process Grade File User Defined Values File Report Format File

3. Primary File Type = Relex Project File (Primary Database)

4. 4 Project File Contents   System Tree or Hierarchy Information   Reliability Prediction Data   FMEA Data   Maintainability Data   Reliability Block Diagram(s)   Fault Tree(s) and Event Tree(s)

5. 5 Three Major Windows   System Tree Window   Parts Table Window   FMEA Tree Window

6. 6 System Tree Window   System Tree  System Hierarchy  System/Assembly Properties   RBD Table   Fault Tree Table   Event Tree Table

7. 7 Parts Table Window   Assembly Properties   Parts List   Prediction Data   FMEA Data   Maintainability Data   Reliability Block Diagram   Fault Tree   Event Tree

8. 8 FMEA Tree Window   Displays FMEA data for Assembly/Part   Manage FMEA items, modes, causes

9. 9 Relex Reliability Prediction Entering Parts & Part Data...

10. 10 Entering Part Data  System Tree window  Parts Table  General Data Sheet  Prediction Data Sheet

11. 11 System Tree  Edit part data, as needed  Fields that appear based on Parts Table Input Format file

12. 12 Parts Table  Enter parts list for the selected assembly  Simplified area for data entry  Fields & order of fields customizable  Synchronized with General Data and Prediction Data Sheets

13. 13 General Data Tab  Enter “general information” for a selected part  Fields available are the same for all part types

14. 14 Prediction Data Tab  Enter parameters which are specific to the selected part  Fields that are displayed are based on part type of selected part  Data requested is only that data required by the models

15. 15 Relex Reliability Prediction “Value-Added” Files

16. 16 Input Format Files  A file that allows you to customize data entry  Determine fields on Parts Table and System Tree

17. 17 Defaults Files What? A file containing default part parameters based on part type parameters based on part type Why? Supply Relex with all data necessary to calculate calculate (Calculate a quick estimate before (Calculate a quick estimate before specific data available) specific data available)

18. 18 Defaults Files Additional Notes:  Relex built-in defaults available (Parts Count Analysis) (Parts Count Analysis)  Custom user defined default files can be created

19. 19 Defaults Files Use in conjunction with Project files: 1. Create a Defaults file, as needed. 2. Activate the Defaults file. 3. Enter parts without part data. 4. Calculate the reliability prediction estimate. estimate.

20. 20 Derating Files What? A table of maximum/minimum stress values allowed for each part type values allowed for each part type Why? Provides an easy way to review data

21. 21 Derating Files Additional Notes:  Relex built-in derating available  Custom user defined derating files can be created  Several Derating files are supplied (each based on a standard)

22. 22 Derating Files Use in conjunction with Project files: 1. Create a Derating file, as needed. 2. Activate the Derating file. 3. Enter parts/part data & calculate the prediction. prediction. 4. Determine if any parts are operating at an overstressed condition. an overstressed condition.

23. 23 Derating Files How to determine if a part is “overstressed:” 1. Part Record has special color on Parts Table (selected on Display tab in Tools>Options) (selected on Display tab in Tools>Options) 2. Pi Factors window indicates overstressed and why 3. Part is included on overstressed parts report

24. 24 Derating Files What do I do if part is “overstressed?” 1. Determine which stress value(s) are “out of range.” of range.” 2. Consider changing the operating conditions for the part. conditions for the part.

25. 25 Parts Library Files What? A database or table that contains standard parts and their parameters standard parts and their parameters Why? Simplifies part and part data entry

26. 26 Parts Library Files Additional Notes:  Relex Libraries are available  Custom User Libraries can be created

27. 27 Parts Library Files Use in conjunction with Project files: 1. Create a Library file, as needed. 2. Activate the Library file. 3. Enter a part number (press ). 4. Relex pulls the associated data from the Library file into the Project file. the Library file into the Project file.

28. 28 Mission Profile Files What? A file containing conditions of a changing mission a changing mission Why? 1. Supply mission time for Reliability 2. Supply data for Mission Calculations 2. Supply data for Mission Calculations

29. 29 Mission Profile Files Additional Notes: User enters the following parameters:  Total Mission Time (hours)  Mission phase data (Environment, Temperature, Percentage)

30. 30 Mission Profile Files Use in conjunction with Project files: (Reliability Prediction association*) 1. Customize a Mission Profile file. 2. Activate the Mission Profile file.  Calculate the reliability prediction, including Mission Calculations. * Can also used in association with FMEA

31. 31 Process Grade Files Used in conjunction PRISM only: (RAC PRISM Reliability Prediction )  Evaluation of maturity of processes within production, etc.  Define company process grade factors

32. 32 User-Defined Values Files What? A file that allows users to establish custom environments, quality custom environments, quality levels, categories & subcategories levels, categories & subcategories Why? Account for additional environments, quality levels, categories & quality levels, categories & subcategories subcategories

33. 33 User-Defined Values Files Use in conjunction with Project files: 1. Create a User Defined Values file, as needed. needed. 2. Activate the User Defined Values file. 3. Enter assemblies and parts. 4. Select user defined entries from choice lists. choice lists.

34. 34 Correlation File  A list matching in-house part numbers & library part numbers  Examples: In-House PNLibrary PN In-House PNLibrary PN ACME1 74LS00 ACME1 74LS00 ACME22N2222 ACME22N2222

35. 35 Correlation File Use in conjunction with Project files: 1. Create a Correlation file. 2. Activate the Correlation file. 3. Enter a part number (press ). 4. Relex pulls the data for the “associated” Library part into the Project file. Library part into the Project file.

36. 36 Report File Used in conjunction with Project files: 1. Create a Report file. 2. Activate a standard report for each project file. 3. Report formats can be used by any project and and selected before printing