Catia Tutorial Electrical Harness Installation

TOC

Electrical Harness Installation Site Map Preface What's New? Getting Started Basic Tasks Advanced Tasks Workbench Description Customizing Glossary Index

© Dassault Systèmes 1994-2001. All rights reserved.

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Site Map

Site Map Preface Using This Guide More Information What's New? Getting Started Entering the Workbench Creating a Bundle Segment Document Creating Construction Points Defining the Segment Parameters Defining the Segment Route Basic Tasks Entering the Workbench Creating a Geometrical Bundle Creating a Bundle Segment Document Creating Construction Constraints Defining the Segment Parameters Defining the Segment Route Constraints From the construction points Following a part From an existing helix Connecting/Disconnecting... Connecting a Bundle Segment... Disconnecting... Routing Bundle Segments in Support Add Support Remove Support Exiting the Installation Workbench Advanced Tasks Adding Local Slack Mechanical Assembly Integration Sleeve Creation Methodology Workbench Description Menu Bar Toolbars Customizing Part Settings Glossary Index file:///E|/Www/ADGdocR7/EhiEnglish/ehiug.doc/src/ehiugsm.htm [05/17/2001 09:25:06]

Preface

Preface The CATIA Version 5 Electrical Harness is a new generation product which is dedicated to the design of physical harnesses within the context of the 3D mock- up. Users benefit from electrical designs totally integrated into the mechanical assembly. This product provides a set of objects including both mechanical and electrical properties. The CATIA - Electrical Harness product offers the following main functions: the bundle segment creation in Product documents (Electrical Harness Assembly workbench) the geometrical bundle creation the bundle segments properties definition the creation of an electrical link between bundle segment and device an algorithm simulating the bundle segment shape and offering realistic bundle segment representations. Thanks to the integration with mechanical assemblies, electrical harnesses can be connected either to mechanical parts, or to electrical devices. CATIA - Electrical Harness Installation enables users to reuse catalogs of electrical devices. As a scalable product, CATIA Version 5 Electrical Harness Installation can be used in cooperation with other current or future companion products of the next CATIA generation such as CATIA - Electrical Wire Routing, CATIA - Electrical Library and CATIA - Electrical System Functional Definition. Using This Guide More Information

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Using This Guide

Using This Guide This guide is intended for the user who needs to become quickly familiar with the CATIA Electrical Harness Installation Version 5 product. The user should be familiar with basic CATIA Version 5 concepts such as document windows, standard and view toolbars. To get the most out of this guide, we suggest you start reading and performing the step-by-step tutorial "Getting Started". The next sections deal with the more detailed capabilities of the product.

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More Information

Where to Find More Information Prior to reading this book, we recommend that you read the CATIA - Infrastructure User's Guide. Certain conventions are used in CATIA documentation to help you recognize and understand important concepts and specifications.

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Conventions

Conventions Certain conventions are used in CATIA, ENOVIA & DELMIA documentation to help you recognize and understand important concepts and specifications. The following text conventions may be used: The titles of CATIA documents appear in this manner throughout the text. File -> New identifies the commands to be used. The use of the mouse differs according to the type of action you need to perform. Use this mouse button, whenever you read Select (menus, commands, geometry in graphics area, ...) Click (icons, dialog box buttons, tabs, selection of a location in the document window, ...) Double-click Shift-click Ctrl-click Check (check boxes) Drag Drag and drop (icons onto objects, objects onto objects) Drag Move Right-click (to select contextual menu)

Graphic conventions are denoted as follows: indicates the estimated time to accomplish a task.

indicates a target of a task. indicates the prerequisites. indicates the scenario of a task. indicates tips

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Conventions

indicates a warning. indicates information. indicates the end of a task. indicates functionalities that are new or enhanced with this Release. Enhancements can also be identified by a blue-colored background in the left-hand margin.

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What's New?

What's New? This table identifies what new or improved capabilities have been documented in Version 5 Release 7 of the CATIA - Electrical Harness Installation User's Guide.

New: Routing bundle segments in support Creating bundle segment from an existing helix Local slack management Sleeve creation methodology. Detailing the specification tree for an electrical product

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Getting Started

Getting Started Before getting into the detailed instructions for using CATIA - Electrical Harness Installation Version 5, the following tutorial provides a step-by-step scenario demonstrating how to use key functionalities. Before starting this scenario, you should be familiar with the basic commands common to all workbenches. These are described in the CATIA - Infrastructure User's Guide. The main tasks proposed in this section are: Entering the Workbench Creating a Bundle Segment Document Creating Construction Points Defining the Segment Parameters Defining the Segment Route All together, these tasks should take about 15 minutes to complete.

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Entering the Workbench

Entering the Workbench This task explains how to set up the environment to work with Electrical Harness workbench. CATIA V5 is launched. A CATProduct document is displayed. 1. Choose the Electrical Harness Assembly item from the Start -> Equipments & Systems menu. The Electrical Harness Assembly workbench is displayed and ready to use.

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Creating a Bundle Segment Document

Creating a Bundle Segment Document This task explains how to create the document in which the bundle segments will take place. The bundle segment belongs to a product document with electrical properties. Open the DemoGS.CATProduct document. 1. Click the Bundle Segment icon

.

The bundle segment document is created. The Electrical Harness Assembly workbench switches to the Electrical Harness Installation workbench. The bundle segment is created under the active product.

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Creating Construction Points

Creating Construction Points This task shows how to define the points which will be used when routing the bundle segment. Make sure the following option is checked to take advantage of the associativity between the construction points and the bundle segment. Open the Tools -> Options menu. Choose the Mechanical Design -> Part Design item. In the External References frame of the General tab, check the Keep link with selected object option.

1. Click the Point icon

.

The Point Definition dialog box opens:

2. Enter the following coordinates: 0mm for X 40mm for Y 0mm for Z. 3. Click OK to validate. 4. Repeat the steps 1 to 3 for the other point with the following coordinates: 20mm for X -20mm for Y 0mm for Z. The points are added to the specification tree. It looks like this:

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Creating Construction Points

This points will be used to build the Flexible Curve geometrical representation.

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Defining the Segment Parameters

Defining the Segment Parameters This task shows you how to define the bundle segment parameters. 1. Click the Bundle Segment Definition icon

.

The dialog box opens:

2. Enter 3mm in the Diameter field. The Section is automatically computed. As an alternative, you can enter the Section, the Diameter will be computed. A message warns you that the bend radius must be at least equal to the Diameter value to ensure the correct bundle segment route computation. 3. Enter 7mm for the Bend Radius. The Bend Radius is the minimum bend radius allowed for the bundle segment. 4. Choose Slack for Mode and add 12% of slack in the Slack(%) field. At this stage, the bundle segment parameters are defined. You now need to route the bundle segment to be able to complete the definition: through this operation, you will create the geometrical representation of the Flexible Curve. Note that OK and Apply are deactivated.

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Defining the Segment Parameters

5. Keep this dialog box open and see the next task.

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Defining the Segment Route

Defining the Segment Route This task shows you how to define the bundle segment route to create the Flexible Curve geometrical representation. Make sure the following option is checked to take advantage of the associativity between the construction points and the bundle segment. Open the Tools -> Options menu. Choose the Mechanical Design -> Part Design item. In the External References frame of the General tab, check the Keep link with selected object option.

The Bundle Segment Definition dialog box is still open from the previous task. 1. Click the Route Definition button. The Spline Definition dialog box opens:

2. Click successively, either in the specification tree or in the geometry: the point located on the connector A1: it becomes Point3 the point previously created to define the bundle segment route: Point2 the point previously created to define the bundle segment route: Point1 the point located on the connector A2: it becomes Point4. The Flexible Curve spline is edited:

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Defining the Segment Route

3. Click the Add Parameters>> button in the Spline Definition dialog box to add tangents onto the connectors. To do so: . select Point3 b. click Tangent Dir. in the Points Specification frame c. select the connector front face: d. reverse the tangent using the Reverse Tgt. button

The tension and curvature options in the Points Specifications frame are not integrated into the route definition. e. Repeat these steps for the other connector (Point 4). To sum up, the Spline Definition dialog box looks like this:

4. Click OK to validate.

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Defining the Segment Route

The Spline Definition dialog box closes and the Bundle Segment Definition is displayed afresh. Note that OK and Apply are now activated.

5. Click OK to validate the bundle segment definition. The result looks like this:

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Basic Tasks

Basic Tasks The Basic Tasks section explains and illustrates how to create various kinds of features. The table below lists the information you will find. Entering the Workbench Creating a Geometrical Bundle Creating a Bundle Segment Document Creating Construction Constraints Defining the Segment Parameters Defining the Segment Route Constraints Connecting/Disconnecting... Routing Bundle Segments in Support Exiting the Installation Workbench Using Related Objects Electrical Workbenches Integration

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Entering the Workbench

Entering the Workbench This task explains how to set up the environment to work with the Electrical Harness workbench. CATIA V5 is launched. A CATProduct document is displayed. 1. Choose the Electrical Harness Assembly item from the Start -> Equipments & Systems menu. The Electrical Harness Assembly workbench is displayed and ready to use.

The Electrical Harness workbench is made up of two parts: the first one, Electrical Harness Assembly lets you create/handle the Product documents that will contain the geometrical bundles and/or the bundle segments the second then, Electrical Harness Installation allows you to define the bundle segments in Part documents. You can add the Electrical Harness workbench to your Favorites, using the Tools -> Customize item. For more information, refer to CATIA V5 - Infrastructure User's Guide.

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Creating a Geometrical Bundle

Creating a Geometrical Bundle This task shows how to create a geometrical bundle. A geometrical bundle is the representation of an assembly of wires grouped together with a common covering and connected to electrical connectors. Open the ElectricalHarnessInstallation.CATProduct document. . 1. Click the Geometrical Bundle icon You are prompted to select the product you want to become the geometrical bundle. 2. Select Product1. The geometrical bundle is created, with electrical capabilities. In the specification tree, the name has been modified as well as the icon.

The Tools -> Options menu lets you define if the bundle segments belong or not to a geometrical bundle. Refer to the Electrical Harness Installation Options. Can be selected to become a geometrical bundle only the following: a product which is not already electrified a product which doesn't result from the New Part command a product which doesn't result from the New Component command (inline product).

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Creating a Bundle Segment Document

Creating a Bundle Segment Document This task explains how to create the document in which the bundle segment will take place. The bundle segment belongs to a part document with electrical properties. The ElectricalHarnessInstallation.CATProduct document is still open from the previous task. 1. Double-click to activate the desired product: Geometrical Bundle1 2. Click the Bundle Segment icon

.

The bundle segment document is created with the Bundle Segment1 product including: the Bundle Segment1 part that becomes active the Flexible Curve.1 belonging to the part, which at that time does not have any geometrical representation

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Creating a Bundle Segment Document

The Electrical Harness Assembly workbench switches to the Electrical Harness Installation workbench. 3. You can create the bundle segments between the other two connectors and Point.1 by repeating the previous steps. The bundle segment is created under the active product. A bundle segment can only belong to the following types of product: a product which is not already electrified except for a geometrical bundle a product which doesn't result from the New Part command a product which doesn't result from the New Component command (inline product).

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Creating Construction Constraints

Creating Construction Constraints This task shows how to define the construction constraints which will be used when routing the bundle segment to build the Flexible Curve geometrical representation. They can be: points part body (follow on part). The construction points or parts can also be located in an other part of the assembly. Make sure the following option is checked to take advantage of the associativity between the construction points or part body and the bundle segment. 1. Open the Tools -> Options menu. 2. Choose the Mechanical Design -> Part Design item. 3. In the External References frame of the General tab, check the Keep link with selected object option.

Defining Construction Points 1. Click the Point icon

.

The Point Definition dialog box opens:

2. Select Coordinates as Point Type:

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Creating Construction Constraints

The different types of point are: Coordinates On curve On plane On surface Circle center Tangent on curve Between. To know more about these options refer to Creating Points 3. Enter the respective coordinates: 20mm, -25mm, 10mm. 4. Click OK to validate. The point is added to the specification tree. It looks like this:

Defining Other Construction Constraints: Open the FollowOnPartStart.CATProduct document. You will create three points on one face of the part. To do so:

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Creating Construction Constraints

1. Click the Point icon

.

2. Choose On surface as Point Type using the combo. 3. Select the surface where the point is to be created. 4. Optionally, select a reference point. 5. You can select an element to take its orientation as reference direction or a plane to take its normal as reference direction. You can also use the contextual menu to specify the X, Y, Z components of the reference direction. 6. Enter a distance along the reference direction to display a point. 7. Click OK to create the point. The point (identified as Point.x) is added to the specification tree. 8. Repeat these steps for the other two points. At the end the document looks like this:

The construction constraints can be any structure elements (i.e. a plane structure).

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Defining the segment parameters

Defining the Segment Parameters This task shows you how to define the bundle segment parameters. The bundle segment to be defined is activated in the specification tree. 1. Click the Bundle Segment Definition icon

.

The dialog box opens:

2. Enter a value in the Diameter field, for example 3mm. The Section is automatically computed. As an alternative, you can enter the Section, the Diameter will be computed. A message warns you that the bend radius must be at least equal to the Diameter value to insure the correct bundle segment route computation. 3. Enter a value for the Bend Radius, for example 7mm. The Bend Radius is the minimum bend radius allowed for the bundle segment. As an alternative, you can select the Bend Radius Ratio option and set the ratio: the Bend Radius is automatically computed. 4. Select the Mode: for example Slack with 12% of slack. file:///E|/Www/ADGdocR7/EhiEnglish/ehiug.doc/src/ehiugbt0300.htm (1 of 2) [05/16/2001 17:33:30]

Defining the segment parameters

The different options are: Slack: the bundle segment length is increased of the percentage indicated in the Slack(%) field. The Length field is disabled. Length: the bundle segment length is indicated in the Length field. The Slack(%) field is disabled. Bend: the bundle segment length corresponds to the minimum distance between the points defining its route. The Slack(%) and Length fields are disabled. At this stage, the bundle segment parameters are defined. You now need to route the bundle segment to be able to complete the definition: through this operation, you will create the geometrical representation of the Flexible Curve. Note that OK and Apply are deactivated. 5. Keep this dialog box open and see the next task. The Bend Radius value must be at least equal to the Diameter value to ensure the correct bundle segment route computation. When you create a bundle segment on a part or on a surface, the Bundle Segment on Surface option is activated and lets you change the side on which the bundle segment will be created.

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Defining the segment route constraints

Defining the Segment Route Constraints This section explains how to define the bundle segment route to create the Flexible Curve geometrical representation: from construction points following a part from an existing helix

Make sure the following option is checked to take advantage of the associativity between the construction points or part body and the bundle segment. Open the Tools -> Options menu. Choose the Mechanical Design -> Part Design item. In the External References frame of the General tab, check the Keep link with selected object option.

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Connecting/Disconnecting Bundle Segments

Connecting/Disconnecting... These functionalities are only available in the Electrical Harness Assembly workbench. Connecting: Click this icon and select the bundle segment you want to link to another bundle segment or a device. Disconnecting: Click this icon and select a bundle segment extremity to unlink all the elements.

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Connecting a Bundle Segment...

Connecting a Bundle Segment This task shows how to create a connection between a bundle segment and a device or between two bundle segments. Open the Link.CATProduct document.

Make sure the options are set according to your needs. Note: it the Geometrical Link option is not activated, only the electrical link is created. 1. Click the Link icon

.

You are prompted to select the bundle segment you want to connect. CATIA finds the closest bundle segment extremity according to the selection point. 2. Select Bundle Segment1 close to the extremity to be connected.

>> The extremity is highlighted:

You are prompted to select another bundle segment extremity or a device. 3. Select ConnectorLink2.

connector is highlighted indicating that the selection is allowed: the >> The connector includes a bundle connection point.

CATIA finds the closest bundle connection point according to the selection point. A message is displayed asking you to confirm the selection. 4. When you are satisfied, click OK validate your choice. The bundle segment is computed. The result looks like this:

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Connecting a Bundle Segment...

To make the connection possible, a bundle connection point must be defined on the device. Connecting a Bundle Segment Following a Part 1. Click the Link icon

.

You are prompted to select the bundle segment you want to connect. You must choose first the bundle segment which is not following the part. Otherwise the construction is not possible. 2. Select Bundle Segment1 close to the extremity to be connected.

>> The extremity is highlighted:

You are prompted to select another bundle segment extremity or a device. 3. Select Bundle Segment2 close to the extremity to be connected.

>>

CATIA generates the point for the connection A message is displayed asking you to confirm the selection. 4. When you are satisfied, click OK validate your choice. The bundle segment is computed. The result looks like this:

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Connecting a Bundle Segment...

How to display the electrical connection? 1. Click the Related Objects icon

.

2. Select the bundle segment you have just disconnected: Bundle Segment1 You see that the connector is linked to the bundle segment. in Tree view:

in 3D view:

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Connecting a Bundle Segment...

For more information, refer to Viewing Related Objects.

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Disconnecting...

Disconnecting... This task shows how to delete a connection between bundle segments or between a connector and a bundle segment. The Link.CATProduct document is open.

1. Click the Unlink icon

.

You are prompted to select the bundle segment extremity you want to disconnect. CATIA finds the closest bundle segment extremity according to the selection point. 2. Select Bundle Segment1.

>> The extremity is highlighted:

A message is displayed asking you to confirm the selection. 3. When you are satisfied, click OK to validate your choice. The bundle segment is disconnected from the connector. How to display the electrical connection?

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Disconnecting...

1. Click the Related Objects icon

.

2. Select the bundle segment you have just disconnected: Bundle Segment1 You can see that the connector is no longer connected. in Tree view:

in 3D view:

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Disconnecting...

For more information, refer to Viewing Related Objects.

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Routing Bundle Segments in Support

Routing Bundle Segments into a Support These functionalities are only available in the Electrical Harness Assembly workbench. Add a support: Click this icon and select the bundle segment you want to route into a support. Remove a support: Click this icon and select the bundle segment to remove from the support.

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Add Support

Adding a Support This task shows how to route a bundle segment into a support. Open the InSupport.CATProduct document.

1. Click the Add Support icon

.

You are prompted to select the bundle segment you want to drive into the support. CATIA finds the closest bundle segment construction point according to the selection point. 2. Select Bundle Segment1 close to the location of interest. The extremity or construction point is highlighted:

>>

You are prompted to select the support. 3. Select Support.1.

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Add Support

>>

The support is highlighted indicating that the selection is allowed.

The Add Support dialog box opens: Since the selected point is not an extremity, the bundle segment will go through the support between this point and the next one. The options are therefore disabled as in this example. You can change the bundle segment direction through the support by reversing the arrow.

If an extremity is selected, you can choose where you want to place the support along the bundle segment route: beyond the selected extremity on this side of the selected extremity

4. Change the option if needed. 5. Click to invert the arrow in the geometry or in the dialog box, if needed.

6. Click OK validate your choice. The bundle segment route is recomputed. In the first case, the result looks like this:

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Add Support

It looks like this in case you selected Point.1 and Beyond the bundle segment extremity.

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Remove Support

Removing Support This task shows how to remove the bundle segment from the support, therefore modifying its route. The InSupport.CATProduct document is still open.

1. Click the Remove Support icon

.

You are prompted to select the bundle segment you want to remove from the support. 2. Select Bundle Segment1. The way through the support is highlighted:

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Remove Support

A message is displayed asking you to confirm this action.

3. Click OK to validate your choice. The bundle segment route is recomputed and comes back to its original definition.

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Exiting the Installation Workbench

Exiting Electrical Harness Installation This task shows you how to quit Electrical Harness Installation workbench when the bundle segments definition is completed. 1. Click the Exit icon

.

You are back in Electrical Harness Assembly workbench or the lastly used Product workbench.

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Viewing Related Objects

Viewing Related Objects This task shows how to use the Related Objects viewer to navigate through the objects connected to the selected object. You can focus on an object and see how it was constructed via its related objects. The related objects command identifies the parent, any children or connected objects and the relationship between objects. It is available when none of the icons of the workbench are activated that is to say when you are in Select command

.

Accessing related objects can be done in two ways: by clicking the Related Objects icon in the toolbar from the contextual menu, by selecting Related Objects. To have access to the Related Objects via the contextual menu, you need to double-click the object to make it active.

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Viewing Related Objects

The different options available are: Reframe on selection: reframes the main 3D window on the Related objects selection. Reframe on selection: the main window selection corresponds the Related objects selection. The main window display is not reframed. Freeze: Freeze:

freezes the contents the Related objects window. You can still navigate in the main window: the Related objects view will not be updated. the Related objects selection corresponds the main window selection.

View related objects: displays the parent, any children or connected objects. View related objects: only displays the selected objects. Functional:

displays the functional system. If the bundle segment contains wires, the corresponding signals are displayed in the bundle segment. N.B.: the signal name is displayed followed by the separation code, if any:

Functional:

hides the functional children elements.

Wire:

displays the wires contained in the bundle segment.

Wire:

hides the wires contained in the bundle segment, shows the bundle segments and signals.

Harness:

displays the relationship to the harness: connectors, equipments, shells, etc.

Harness:

hides the children bundle segments, only shows the signals and wires.

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Viewing Related Objects

Sub objects:

displays the electrical contents.

Sub objects:

hides the electrical contents.

On a complex electrical system, the 3D view allows you to limit display to a specific area and though to enlighten the information regarding this area. Open the RelatedObjectsSession.CATProduct document. 1. Select an object: Geometrical Bundle1.1 for example. 2. Click the Related Objects icon

.

The Related Objects dialog box appears. The geometry area and the specification tree are reframed on the object selected.

3. Select the Bundle Segment4.1 in this window. The dialog box focuses on the object selected: Bundle Segment4.1 (center of the window) and shows the parent and the connected objects: on the left is the father object (Assembly meaning). It represents the container object. on the right are the children objects (Assembly meaning), connected to the Bundle Segment4.1. They represent the contents.

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Viewing Related Objects

This window shows the following: the bundle segments assembly within the geometrical bundle the Bundle Segment4.1 is connected to three bundle segments the Bundle Segment4.1 contains three wires and their associated signal. Note that if the

Wire box is unchecked, you only see the bundle segments and signals.

4. Select the Sig2. The geometry area is reframed on the signal and it shows: the signal extremities with the functional connectors the wire that realizes the signal the harness objects: the physical connectors that correspond to the signal extremities as well as the bundle segments, and the wire they contain.

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Viewing Related Objects

5. Click the 3D tab to display the geometry.

6. Close the dialog box to exit the Related Objects viewer.

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Electrical Workbenches Integration

Electrical Workbenches Integration This scenario puts together the functionalities from the four workbenches used successively to create an electrical product. As an example: a hair dryer.

It can be split in four phases: the electrical system definition using EFD the device implantation in 3D environment with ELB the physical harness creation using EHI and finally the electrical wire routing with EWR. Re-using predefined electrical systems to create a more elaborate system 1. Start an Electrical System Functional Definition session. 2. Click the New icon

and assemble the electrical systems:

3. Import existing components using the contextual menu: PowerSupply HairDryer HairDryer_Signals

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Electrical Workbenches Integration

4. Map the functional connectors to the physical ones using the contextual menu: (connector_M: extension cable connectors to be plugged onto the batteries)

This action makes it possible to predefine for each functional connector what device reference to be used for the 3D placement. This will simplify the 3D Designer work: he's driven by the functional data, reusing the Electrical System engineer knowledge to achieve the 3D implantation.

5. Connect terminations and signals using the Assign icon

.

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Electrical Workbenches Integration

This action makes it possible to define the signal extremities corresponding to the power supply and the hair dryer systems.

6. Save the electrical system assembly using this icon

.

The electrical functional system is defined. It is saved in the HairDryer_Assembly.CATProduct document in the samples folder. 7. Launch a CATIA session. 8. Open the ElectricalWorkbenchesIntegration.CATProduct. It contains two batteries with two female connectors.

9. Load the functional system. To do so: Right-click the Product1 and select Components -> Existing Components... Select the HairDryer_Assembly.CATProduct. 10. Set up the options using the Tools -> Options... menu: Select Mechanical Design -> Part Design -> General: Activate the option: Keep link with selected object Select Mechanical Design -> Assembly Design -> General: Activate the option: Automatic update

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Electrical Workbenches Integration

3D implantation of the device You will place the physical device: the hair dryer. 1. Start the Electrical Assembly Design workbench. 2. Create a New Product. Right-click the Product1, select Components -> New Product, enter the Part Number for the hair dryer (Hair-DryerProd) and validate to create it. This product will contain the hair dryer itself and later the power cable.

3. Open the Catalog Browser using this icon

.

Successively: Choose the catalog: ElecIntegration.catalog (if necessary, use the Browse button ) Drag and drop the hair-dryer equipment onto Hair-DryerProd. This action places the component from the catalog at the default location. It's a first standard mode of placement. 4. Click the Add Functional Link icon dryer).

to link the respective physical and functional equipment (the hair

This action generates the link between the component and its corresponding functional element. You can see if a component is connected or not: the equipment icon sign changes and turns from red to green, meaning that the hair dryer is now electrically linked.

>> The automatic signal routing will be possible since the signal extremities defined in the functional system can be transposed in the 3D world using the physical/functional relations. Physical harness creation

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Electrical Workbenches Integration

1. Start the Electrical Harness Assembly workbench. 2. Create two new products: one for the hair dryer power cable, the second for the extension cable. To do so: Right-click the Hair-DryerProd, select Components -> New Product, enter the Part Number for the power cable and validate to create it. Right-click the Product1, select Components -> New Product, enter the Part Number for the extension cable and validate to create it.

3. Create the geometrical bundles: Select the power cable and click the Geometrical Bundle icon Select the extension cable and click the Geometrical Bundle icon

again.

The power cable is part of the hair dryer: that's why you create it in the hair dryer product (Hair-DryerProd). The extension cable is an independent assembly: that's why you create it under the root product assembly. 4. Double-click to activate the Geometrical Bundle2 (the extension cable) in the specification tree. 5. Switch to ELB workbench. file:///E|/Www/ADGdocR7/CATEnglish/catcf.doc/src/catcfElectricalIntegration.htm (5 of 12) [05/16/2001 17:34:18]

Electrical Workbenches Integration

6. Click the Place Physical Device icon

to import the 3D connector for each battery.

An alternative to steps 5 and 6 is to use the contextual menu, by clicking the right-mouse button on the Geometrical Bundle2 and choose Place Physical Device.

7. Select the first connector in the PowerSupply system. The catalog pops up. Select the connector in the catalog an click OK to validate. The connector is added to the specification tree and appears in the geometry at the origin (0, 0). You change its location using the compass. Repeat these steps for the second connector. The physical connector pre-selection previously performed with EFD is used to automatically get the correct part reference. The 3D connector is automatically placed in the active product (Geometrical Bundle2) at the product origin. 8. Use the Electrical Assembly Design workbench to create the electrical connection with the batteries. Double-click to activate the Product1 in the specification tree. Click the Connect Electrical Devices icon

to connect the connector_M to the battery.

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Electrical Workbenches Integration

Select successively in the geometry each connector_M connection point from the Geometrical Bundle2(ExtensionCable) then the corresponding connector_F connection point of the battery.

1. 2. The connectors are linked and shifted to the batteries.

This action creates the assembly constraints between connector and battery. 9. Double-click to activate the Geometrical Bundle2 (the extension cable) in the specification tree. 10. From the catalog, drag and drop the connector_F onto the Geometrical Bundle2 for the extension cable. If needed, position it between the hair dryer and the batteries using the compass (ExtensionCable must be active).

This action places the connector from the catalog onto the extension cable.

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Electrical Workbenches Integration

11. From the catalog, drag and drop the backshell_F directly onto the connector_F in the Geometrical Bundle2.

This action places the back shell from the catalog onto the extension cable connector. it places the connector in the assembly it creates the assembly constraints between connector and back shell it establishes the electrical link between connector and back shell. It is a second placement mode. When the back shell is selected, the electrical link is displayed in the Related Objects viewer.

12. Double-click to activate the Geometrical Bundle1 in the specification tree. 13. From the catalog, drag and drop the connector_M directly onto the connector_F of the extension cable.

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Electrical Workbenches Integration

This action adds the power cable connector (connector_M) from the catalog onto the extension cable connector. The assembly constraints as well as the electrical constraints have been created between the power cable and the extension cable connectors. When the female connector is selected, the electrical link is displayed in the Related Objects viewer.

14. From the catalog, drag and drop the backshell_M directly onto the connector_M of the power cable.

This action places the back shell from the catalog onto the power cable connector. The assembly constraints as well as the electrical constraints have been created between the connector and the back shell. You can repeat this step to place back shells on the extension cable male connectors (at the other extremity). 15. Start the Electrical Harness Assembly workbench to create the bundle segments for the power and extension cables.

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Electrical Workbenches Integration

To do so: Define a bundle segment in the Geometrical Bundle1(PowerCable): (Diameter = 10mm, Bend Radius = 15mm, Slack = 10%) Define a point in the Geometrical Bundle2(ExtensionCable): (Mode Between + Middle) Define a bundle segment in the Geometrical Bundle2(ExtensionCable): (Diameter = 10mm, Bend Radius = 15mm, Slack = 5%) Define their routes.

This action creates the bundle segments that will be used to route the wires of the power and extension cables. Electrical wires routing 1. Start the Electrical Wire Routing workbench to create the wires. 2. Create two electrical bundles using the New Bundle icon

.

They will contain the wires for: the power cable (first electrical bundle) the extension cable (second electrical bundle). 3. Associate each of them to the respective geometrical bundle. The wires will be created in the correct bundle according to their route. 4. Select Signal_check.

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Electrical Workbenches Integration

Boxes are displayed to help you recognize the extremities of the signal.

5. Click the Automatic Routing icon

.

The bundle segments diameter are updated according to the signal section. The specification tree is updated. 6. Multi-select Signal_plus and Signal_minus using the Signal icon 7. Click the Automatic Routing icon

.

.

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Electrical Workbenches Integration

The specification tree is updated: the wires and wire connections are created. The length of the wire linked to a back shell is extended with an extra-length, defined as a back shell attribute. However, an alternative is to connect the bundle segment through the back shell: in this case, the wire length is equal to the total length of the bundle segments of the wire route. The bundle segments diameter is updated using the section defined on the signals (with EFD). When only one signal is selected, the wire connections are displayed (as shown below).

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Advanced Tasks

Advanced Tasks The Advanced Tasks section explains and illustrates how to create various kinds of features. The table below lists the information you will find. Adding Local Slack Mechanical Assembly Integration Sleeve Creation Methodology

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Adding Local Slack

Managing Local Slack This task explains how to modify the slack at a specific location. Open the LocalSlack.CATProduct document. 1. Select the Local Slack icon

.

2. Click the bundle segment where you want to modify the slack: Two construction points are highlighted: they delimit the portion of the bundle segment selected.

The Local Slack Management dialog box opens: Two options are available: Ignore slack: the slack is not taken into account Add slack: an extra length is added to the bundle segment portion.

3. Choose Ignore slack and click Apply. The bundle segment looks like this:

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Adding Local Slack

4. Choose Add slack, enter 10mm in the Slack definition field and click Apply.

The bundle segment looks like this:

5. Click OK to validate.

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Adding Local Slack

The slack is always added between the point selected and the following one according to the construction order.

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Mechanical Modeler Integration

Using the Mechanical Assembly Integration This task makes use of the Electrical Harness workbench integration together with the mechanical modeler. It demonstrates the associativity between the bundle segment and the part. Open the FollowOnPartEnd.CATProduct document is displayed. It contains a bundle segment routed on a part. 1. Modify the sketch of the pad.

The bundle segment is no longer leaning on the face of the pad. 2. Close the Sketcher. The document looks like this:

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Mechanical Modeler Integration

3. Double-click the Bundle Segment1 in the specification tree. The document is updated:

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Sleeve Creation Methodology

Sleeve Creation Methodology This task explains the methodology used for the sleeve creation. It is possible when the CATIA Part Design and CATIA Wireframe & Surface licenses are available. Electrical sleeves can be of two types: conduit type: the wires are collected in a tube, flexible or not. The sleeve diameter is defined. jacket or sheath type: the wires are cased in the sleeve. The sleeve diameter matches the wire diameter. Conduit Type Using CATIA - Part Design workbench, create a rib as shown below:

It contains the following features of interest: two points used to create the reference curve: point_1, point_2 the reference curve: Reference Curve two points placed on the reference curve: Limit1, Limit2 a second curve delimited by Limit1 and Limit2 the rib created from the second curve (Split) etc. Using Electrical Harness Installation workbench, create a bundle segment.

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Sleeve Creation Methodology

1. Insert the sleeve part in the CATProduct document.

You will now replace the sleeve reference curve with the bundle segment flexible curve.

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Sleeve Creation Methodology

2. Double-click to activate the Sleeve part. 3. Right-click the Reference Curve and select Replace... The Replace dialog box opens:

4. Select the bundle segment flexible curve.

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Sleeve Creation Methodology

5. Click OK to validate the replacement. The result looks like this:

Detailed view of the conduit:

Jacket or Sheath Type Using CATIA - Part Design workbench, create a rib then use the PowerCopy capabilities to generate the features of interest. It looks like this:

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Sleeve Creation Methodology

The PowerCopy Definition allows you to generate the following Inputs.

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Sleeve Creation Methodology

Refer to CATIA - Part Design User's Guide for more information about PowerCopy. Using Electrical Harness Installation workbench, create a bundle segment.

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Sleeve Creation Methodology

1. Create a new part (Jacket) in the CATProduct document.

2. Double-click to activate the Jacket part. 3. Choose Insert -> Advanced Replication Tools -> Instantiate From Document... The Select Powercopy dialog box displays: Open the document containing the jacket. The Insert Object dialog box displays:

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Sleeve Creation Methodology

4. Select the bundle segment Circle.1/BNSradius in the geometry for the Ri input. 5. Select the bundle segment Flexible Curve in the geometry for the reference_curve input. 6. Click OK to validate the replacement. The result looks like this:

Detailed view of the jacket:

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Sleeve Creation Methodology

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Workbench Description

Workbench Description CATIA - Electrical Harness Assembly application window looks like this:

CATIA - Electrical Harness Installation application window looks like this:

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Workbench Description

Menu Bar Toolbars

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Menu Bar

Menu Bar The Menu Bar and the items available in CATIA - Electrical Harness workbench are the standard ones. The different commands and tools are described in CATIA - Infrastructure Version 5. For more information, refer to the CATIA Menu Bar section.

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Toolbars

Electrical Harness Toolbars This section describes the various icons available in the Electrical Harness workbenches. The toolbars are located on the right in the default set-up except for the Catalog Browser, the Measure and the Update icons which are located in the horizontal bottom toolbar. Electrical Harness Assembly Toolbar

Electrical Harness Installation Toolbars

See Related Objects See Creating a Geometrical Bundle See Creating a Bundle Segment, Defining the Bundle Segment Parameters See Managing Local Slack See Connecting Bundle Segment Extremity See Disconnecting Bundle Segment Extremity See Adding Support See Removing Support See Creating Construction Constraints, Creating Points See Creating Lines See Creating Planes See Update See Using the Catalog Browser See Measure Between... See Measure Item...

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Toolbars

See Measure Inertia... See Apply Material

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Customizing

Customizing Before you start your first working session, you can customize the way you work to suit your habits. This is done using Tools -> Options from the menu bar. This type of customization is stored in permanent setting files: settings will not be lost if you exit your session. External reference link with electrical elements Electrical Harness Installation settings

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Part Settings

Customizing Part Settings Make sure the following option is checked to take advantage of the associativity between the construction points or part body and the bundle segment. 1. Select the Tools -> Options command. The Options dialog box is displayed. 2. Choose the Mechanical Design -> Part Design item. 3. In the External References frame of the General tab, check the Keep link with selected object option.

4. Click OK in the dialog box when done.

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Electrical Harness Installation

Electrical Harness Installation Before you start your first working session, you can customize the way you work to suit your habits. This is done using Tools -> Options from the menu bar. This type of customization is stored in permanent setting files. Settings will not be lost if you exit your session. 1. Select the Tools -> Options command. The Options dialog box is displayed. 2. Choose the Equipments & Systems in the left-hand box. 3. Click the Electrical Harness Installation workbench. The General tab is displayed:

This tab lets you define: the bundle segment creation options: Mandatory geometrical bundle:

Bundle segment color on creation

you need to create a geometrical bundle prior to define a bundle segment. By default, this option is activated. Use the color chooser.

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Electrical Harness Installation

Electrical Harness Installation Before you start your first working session, you can customize the way you work to suit your habits. This is done using Tools -> Options from the menu bar. This type of customization is stored in permanent setting files. Settings will not be lost if you exit your session. 1. Select the Tools -> Options command. The Options dialog box is displayed. 2. Choose the Equipments & Systems in the left-hand box. 3. Click the Electrical Harness Installation workbench. The General tab is displayed:

This tab lets you define: the bundle segment creation options: Mandatory geometrical bundle:

Bundle segment color on creation

you need to create a geometrical bundle prior to define a bundle segment. By default, this option is activated. Use the color chooser.

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Electrical Harness Installation

the bundle segment connection options: Geometrical link:

Automatic link on new bundle segment:

when the selection is completed, the bundle segment is extended to the second point selected (which is either a bundle segment extremity or a bundle connection point). the electrical connection is created at the same time as the bundle segment

By default, these options are activated. 4. Click OK in the dialog box when done.

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Electrical Harness Installation

the bundle segment connection options: Geometrical link:

Automatic link on new bundle segment:

when the selection is completed, the bundle segment is extended to the second point selected (which is either a bundle segment extremity or a bundle connection point). the electrical connection is created at the same time as the bundle segment

By default, these options are activated. 4. Click OK in the dialog box when done.

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Glossary

Glossary B bend radius bundle bundle segment

The bend radius is the minimum bend radius allowed for the bundle segment. A document containing wires Also called segment, a geometrical subdivision of a geometrical bundle. It is the wire graphical representation in the digital mock-up. The bundle segment is created according to several rules: the bend radius must be superior to half the diameter in slack mode, an extra-length is added to the bundle segment calculated from a bend length percentage (Slack%). the bend mode calculates the minimum length through all the constraint points, with regard to the minimum bend radius. the length mode uses the length value: this value must be at least equal to the distance between the points.

C connector

A electrical component providing an electrical interface between two bundles, an equipment and a bundle or between wires. Comprises one or more electrical terminations. They are of two types: physical connector (from Electrical Library, Catalog or V4) and functional connector (from EFD application)

D diameter device

Corresponds to the diameter of the wire together with the insulation. Generic term for connector, equipment, shell, etc.

E electrical system

An electrical unit which accomplishes a specific function. Consists of equipment, connectors and signals. Described in a CATProduct document. equipment Electrical device comprising one or more associated connectors. electrical termination Electrical connection (often called pin) on a connector

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Glossary

G geometrical bundle

Electrical object federating a bundle segments group

H harness

Group of wires, connectors, supports and insulation assembled in a consistent system

P pin properties

An electrical termination Attributes of a component that define its electrical, mechanical, etc. characteristics.

R routing

An operation that computes the optimized wire route between two or more extremities of a signal.

S section segment sleeve

Corresponds to the section of the wire together with the insulation. See bundle segment Can be of two types: conduit type: the wires are collected in a tube, flexible or not. jacket or sheath type: the wires are cased in the sleeve.

W wire wire connection

Electrical wire: physical object corresponding to a signal An electrical object linking two or more wires that share a common extremity

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Index

Index B bend bend radius bundle segment bundle segment on part

C conduit construction constraints

D defining diameter

E external references

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Index

F flexible curve

G geometrical bundle geometry on support

J jacket

L length

R ratio related objects route route definition

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Index

S section slack sleeve conduit jacket spline

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