ASENT_BASICS.PPT

Basics Last revised 08/10/2005

ASENT_BASICS.PPT

ASENT Toolkit Makeup

The ASENT toolkit is comprised of a large number or programs (editors, translators, utilities and reports) which are The ASENT toolkit is comprised of a large number or programs (editors, translators, utilities and reports) which are organized under 6 main 'Manager' tools. This makes it easier for the user to navigate and select the tools appropriate for organized under 6 main 'Manager' tools. This makes it easier for the user to navigate and select the tools appropriate for the task at hand, as well as providing a seamless transition between the various programs.the task at hand, as well as providing a seamless transition between the various programs.

Library ManagersLibrary Managers

Analysis ManagersAnalysis Managers

Session ManagerSession Manager – – Add,Edit,Delete Projects, Assign users to projects, Archive & Restore projects and libraries. Invoke LSAR Interface and other Manager tools.

Reliability ManagerReliability Manager – – Calculate failure rates, RBD analysis, import part lists and board data, Interfaces to PRISM, RAPTOR, CAE, SLATE and Doors. Perform Spares Modeling. Perform Thermal Analysis, & board layout.

FMECA ManagerFMECA Manager – – Construct product tree, perform FMEA, FMECA, RCM, Testability, False Alarm Rate analysis. Interface to Logan FTA and Giordano Diagnostician tools. Create, Edit, Delete Function/Phases.

Maintainability ManagerMaintainability Manager – – Construct product tree, perform preventive and corrective repair time analysis, availability metrics, identify tools and tasks required.

Maintainability Data Maintainability Data ManagerManager – – Create and Edit tasks, toolkits and tools. View pictures of task definitions.

Component Data ManagerComponent Data Manager – – Create and Edit parts, materials, packages, PWBs, Hybrids and defaults. Import parts from Excel

ASENT_BASICS.PPT

Invoking ASENT

If you have an If you have an ASENT icon on ASENT icon on your Window’s your Window’s Desktop, double-Desktop, double-click on the icon, click on the icon, otherwise select otherwise select Start|Programs| Start|Programs| Asent and invoke Asent and invoke it from the it from the ASENT program ASENT program group.group.

OROR

ASENT_BASICS.PPT

The ASENT Session Manager

The Session Manager is The Session Manager is the first screen the user the first screen the user sees when they invoke sees when they invoke the ASENT toolkit. the ASENT toolkit. Here, the user is Here, the user is presented with a list of presented with a list of projects on the server. projects on the server. New projects can be New projects can be created. Existing created. Existing projects can be copied, projects can be copied, renamed, deleted, renamed, deleted, archived or restored. archived or restored. Also, a powerful wild-Also, a powerful wild-card search capability card search capability allows the user to search allows the user to search for information on other for information on other projects and re-use it.projects and re-use it.

ASENT_BASICS.PPT

The ASENT Session Manager

ASENT screens ASENT screens typically have an typically have an explorer view on the left explorer view on the left side. In the Session side. In the Session Manager the explorer Manager the explorer view displays a list of view displays a list of projects. The right side projects. The right side of the screen displays of the screen displays information that information that corresponds with the corresponds with the selected project. The selected project. The data tabs allow you to data tabs allow you to see other data associated see other data associated with the selected project. with the selected project. For example, to assign For example, to assign other users access to edit other users access to edit your project, you would your project, you would select the Assign Users select the Assign Users tab.tab.

ASENT_BASICS.PPT

Typical Screen Layout

Explorer ViewExplorer View

ASENT_BASICS.PPT

Definition of terms

Below are definitions of terms used to describe different portions Below are definitions of terms used to describe different portions of the screen shown on the prior page.of the screen shown on the prior page.

ASENT_BASICS.PPT

Button descriptions

ASENT_BASICS.PPT

Right-click and a pull-down menu appears

ASENT’s Session ASENT’s Session Manager allows Manager allows you to invoke other you to invoke other tools. Whenever tools. Whenever you right-click the you right-click the mouse on the mouse on the explorer view of explorer view of the screen, a pull-the screen, a pull-down menu will down menu will appear for the appear for the selected item. selected item. Here, a menu Here, a menu appears that allows appears that allows us to invoke other us to invoke other ASENT tools.ASENT tools.

ASENT_BASICS.PPT

Use wild-card search capability

Here, the user Here, the user quickly searches all quickly searches all projects on the projects on the server, and finds server, and finds those that have a those that have a modem in their modem in their product tree product tree structure. To invoke structure. To invoke the search function the search function merely click on the merely click on the Search menu option Search menu option or the toolbar or the toolbar icon.icon.

ASENT_BASICS.PPT

Results of wild-card search

The results of the The results of the wild-card search wild-card search shows that a shows that a modem exists on modem exists on the computer the computer project. project.

ASENT_BASICS.PPT

Invoking the Reliability Manager

To invoke the To invoke the Reliability Reliability Manager merely Manager merely right-click on a right-click on a project and select project and select the Reliability the Reliability Manager menu Manager menu option.option.

ASENT_BASICS.PPT

Reliability Mgr. Displays product tree

ASENT_BASICS.PPT

Importing data from other projects

The Import The Import Subtree option Subtree option makes makes importing data importing data from other from other projects easy. In projects easy. In the slides that the slides that follow we will follow we will import a import a MODEM card MODEM card from the from the Computer Computer project to the project to the Chassis of Chassis of DEMO_PRJ.DEMO_PRJ.

ASENT_BASICS.PPT

User selects the computer project to import from

ASENT_BASICS.PPT

Product tree for the computer project

Here, the user is Here, the user is presented with the presented with the product tree structure of product tree structure of the Computer project. the Computer project. The user navigates down The user navigates down to, and selects the to, and selects the MODEM card, and MODEM card, and clicks on the OK button. clicks on the OK button. This will import the This will import the MODEM card from the MODEM card from the Computer project to the Computer project to the chassis of DEMO_PRJ.chassis of DEMO_PRJ.

Click on the ‘+’, ‘-’ Click on the ‘+’, ‘-’ symbols to expand or symbols to expand or collapse portions of the collapse portions of the tree.tree.

Caution: Initially, only the project node will be displayed. Do not double-click on the project node to expand the tree, instead, select the ‘+’ symbol. If you double-click on the project node it will import the entire product tree.

ASENT_BASICS.PPT

Modem is imported to the chassis

After the import, After the import, the MODEM card the MODEM card now appears in the now appears in the chassis of chassis of DEMO_PRJ.DEMO_PRJ.

ASENT_BASICS.PPT

Calculate failure rates for entire system

Failure rates can be Failure rates can be calculated at any calculated at any level (part, board, level (part, board, assembly, or the assembly, or the entire system). The entire system). The following failure following failure rate prediction rate prediction methods are methods are included: 217F, included: 217F, 217F-1, 217F-2, 217F-1, 217F-2, Bellcore TR-332 Bellcore TR-332 Issue 6, Telcordia, Issue 6, Telcordia, and the RAC and the RAC Commercial Commercial Practices NonOp Practices NonOp FR method. FR method.

ASENT_BASICS.PPT

Calculate failure rates for entire system

At the system level, At the system level, the user specifies the user specifies the prediction the prediction method, method, environment, and environment, and operating operating temperature to be temperature to be used in performing used in performing the failure rate the failure rate prediction. prediction.

Caution: These values should NOT be entered for lower level assemblies or boards unless they are different than the system values. By default, lower level assemblies and boards will inherit the FR Method, By default, lower level assemblies and boards will inherit the FR Method,

Environment and Temperature of their parent.Environment and Temperature of their parent.

ASENT_BASICS.PPT

Calculating failure rates

Select the type of failure rates to Select the type of failure rates to calculate (Operating or Non-calculate (Operating or Non-Operating) and click on the Operating) and click on the Calculate button. ASENT will Calculate button. ASENT will then use the FR Method that you then use the FR Method that you have chosen (i.e. If 217FN2 was have chosen (i.e. If 217FN2 was selected for Operating failure selected for Operating failure rates, then ASENT will use MIL-rates, then ASENT will use MIL-HDBK-217F, Notice 2).HDBK-217F, Notice 2).

ASENT_BASICS.PPT

Status flags alert user of a problem

Status FlagsStatus Flags

ASENT_BASICS.PPT

Failure Rate calculation status flags

The table below describes the meaning of the status flags that The table below describes the meaning of the status flags that appear in the product tree after calculating failure rates.appear in the product tree after calculating failure rates.

ASENT_BASICS.PPT

Status flags pinpoint overstressed C0001

ASENT_BASICS.PPT

Run troubleshooting on C0001

Below, the troubleshooting option is turned on and the failure Below, the troubleshooting option is turned on and the failure rate for C0001 is re-calculated.rate for C0001 is re-calculated.

ASENT_BASICS.PPT

Troubleshooting shows voltage overstress

ASENT_BASICS.PPT

Correct applied voltage for C0001

Enter a new Enter a new applied voltage applied voltage value for value for C0001. Notice C0001. Notice that the user can that the user can enter either a enter either a value for the value for the applied voltage, applied voltage, or a percent of or a percent of the rated the rated voltage for the voltage for the part. Here, the part. Here, the user sets the user sets the applied voltage applied voltage to 50% of the to 50% of the rated voltage for rated voltage for the part.the part.

ASENT_BASICS.PPT

Re-calculated failure rates are OK now

ASENT_BASICS.PPT

Report Generation

Reports can be Reports can be generated from any generated from any level in the product tree level in the product tree structure. Right-click structure. Right-click on an item and select on an item and select the Reports option. The the Reports option. The Op Tree FR report is a Op Tree FR report is a very common very common reliability prediction reliability prediction report. It generates an report. It generates an indentured tree indentured tree structure for the structure for the operating failure rate of operating failure rate of the item. the item.

The report can be The report can be sorted by either failure sorted by either failure rate or reference rate or reference designator. It can designator. It can include both assemblies include both assemblies and parts or just and parts or just assemblies only.assemblies only.