TOC

Electrical Harness Installation Preface Getting Started Basic Tasks Advanced Tasks Workbench Description Customizing Glossary Index

© Dassault Systèmes 1994-2000. All rights reserved.

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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 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 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...) 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 indicates a warning.

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Conventions

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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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: 50mm for X 20mm 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: 100mm for X -20mm for Y 0mm for Z. The points are added to the specification tree.

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Creating Construction Points

It looks like this:

This points will be used to build the ElecCurve 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 insure 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 ElecCurve. Note that OK and Apply are deactivated. 5. Keep this dialog box open and see the next task.

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Defining the Segment Parameters

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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 ElecCurve 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:

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Defining the Segment Route

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 ElecCurve spline is edited:

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 Repeat these steps for the other connector (Point 4). To sum up, the Spline Definition dialog box looks like this:

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Defining the Segment Route

4. Click OK to validate. 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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Defining the Segment Route

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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 Exiting the Installation Workbench

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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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Entering the Workbench

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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. CATIA V5 is launched. A CATProduct document is displayed. . 1. Click the New 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 bundle segments you will create can belong or not to the geometrical bundle: if they belong to the geometrical bundle, they acquire its electrical properties if not, they are simple bundle segments. 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 segments will take place. The bundle segment belongs to a part document with electrical properties. Open the ElectricalHarnessInstallation.CATProduct document. 1. Double-click to activate the desired product. 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 ElecCurve1 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 ElecCurve 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.

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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 ElecCurve. 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 insure the correct bundle segment route computation.

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Defining the segment route constraints

Defining the Segment Route Constraints This task shows you how to define the bundle segment route to create the ElecCurve geometrical representation. 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.

Routing the bundle segments on previously defined points The construction points have been defined and 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 Point2 the point previously created to define the bundle segment route: Point1

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Defining the segment route constraints

The ElecCurve spline is edited:

3. Click the Add Parameters>> button in the Spline Definition dialog box to add tangents onto the connectors. To do so: . select Point2 b. click Tangent Dir. in the Points Specification frame c. select the connector front face d. reverse the tangent using the Reverse Tgt. button

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

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Defining the segment route constraints

5. Click OK to validate the bundle segment definition. 6. Repeat these steps for the bundle segments between the other connectors (Point.3 and Point.4) At the end the result looks like this:

Routing the bundle segment following a part The construction constraints have been defined and 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. Check the Geometry on support box, and select Surface.1 in the specification tree.

3. Click successively Point.1, Point.2, Point.3 to define the route of the bundle segment.

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Defining the segment route constraints

4. Click OK to validate. The Spline Definition dialog box closes and the Bundle Segment Definition is displayed afresh. 5. Click OK to validate the bundle segment definition.

The bundle segment route is associated to the part. As a consequence, if the part is modified, the bundle segment is updated. It is possible to add, remove or modify construction points or tangents instantly using the corresponding buttons.

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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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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 Non Distributed Slack Mechanical Assembly Integration

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Adding Non Distributed Slack

Adding Non Distributed Slack This task explains how to add a segment length at a specific location. Open the ND_Slack.CATProduct document. 1. Double-click to activate the Bundle Segment1 part document. CATIA switches from Electrical Harness Assembly to Electrical Harness Installation. 2. Click the Bundle Segment Definition icon . The Bundle Segment Definition dialog box opens. 3. Enter the desired values in the different fields as described in Defining the Segment Parameters section. 4. Click OK to validate the bundle segment definition. The bundle segment looks like this:

5. Select Point.2 either in the specification tree or in the geometry. 6. Right-click to display the contextual menu and choose Properties. The Properties dialog box opens: 7. Click More... to display the Electrical tab.

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Adding Non Distributed Slack

At the same time, in the specification tree appears for this point a new attribute, that you can edit. Double-click its icon and the dialog box opens:

8. Enter the length you want to add to the segment between Point.2 and Point.3. 9. Click OK to validate. 10. Update the geometry using this icon . 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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Mechanical Modeler Integration

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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

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 Creating a Geometrical Bundle See Creating a Bundle Segment, Defining the Bundle Segment Parameters 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... See Measure Inertia...

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Toolbars

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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.

Customizing the 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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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 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. They are of two types: functional connector (from EFD application) and physical connector (from V4, Electrical Library and Catalog)

D diameter

Corresponds to the diameter of the wire together with the insulation.

E electrical system

An electrical unit which accomplishes a specific function. Consists of equipment, connectors and signals. Described in a CATProduct document. equipment A functional electrical component with one or more associated connectors. electrical connector A component providing an electrical interface between two bundles, an equipment part and a bundle or between wires. Comprises one or more electrical terminations. equipment Electrical device comprising one or more associated electrical connector parts electrical termination Electrical connection (often called pin) on an electrical connector part

G geometrical bundle

Electrical object federating a bundle segments group

H harness

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

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Glossary

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

Corresponds to the section of the wire together with the insulation. See bundle segment

W wire wire connection

Electrical wire: physical object corresponding to a signal An electrical object linking two or more wires at a same location

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Index

Index B bend bend radius bend radius ratio bundle segment

C construction constraints

D diameter

E ElecCurve representation external references

G geometrical bundle geometry on support

L length

R route

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Index

S section slack

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