TM-2225 AVEVA Marine (12.1) Cable Design Rev 2.0

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AVEVA Marine

(12.1)

Cable Design

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Revision Log

Date Revision Description of Revision Author Reviewed Approved

10/11/2011 0.1 Issued for Review WR

18/11/2011 0.2 Reviewed WR JL

22/11/20111 1.0 Approved for Training 12.1 WR JL SH

26/01/2012 2.0

Copying of cables form modified and Appendix C Added, Approved for Training 12.1.SP2

WR WR

Updates

All headings containing updated or new material will be highlighted.

Suggestion / Problems

If you have a suggestion about this manual or the system to which it refers please report it to the AVEVA EDS -Training & Product Support at tps@aveva.com

This manual provides documentation relating to products to which you may not have access or which may not be licensed to you. For further information on which products are licensed to you please refer to your licence conditions.

Visit our website at http://www.aveva.com

Disclaimer

1.1 AVEVA does not warrant that the use of the AVEVA software will be uninterrupted, error-free or free from viruses.

1.2 AVEVA shall not be liable for: loss of profits; loss of business; depletion of goodwill and/or similar losses; loss of anticipated savings; loss of goods; loss of contract; loss of use; loss or corruption of data or

information; any special, indirect, consequential or pure economic loss, costs, damages, charges or expenses which may be suffered by the user, including any loss suffered by the user resulting from the inaccuracy or invalidity of any data created by the AVEVA software, irrespective of whether such losses are suffered directly or indirectly, or arise in contract, tort (including negligence) or otherwise.

1.3 AVEVA's total liability in contract, tort (including negligence), or otherwise, arising in connection with the performance of the AVEVA software shall be limited to 100% of the licence fees paid in the year in which the user's claim is brought.

1.4 Clauses 1.1 to 1.3 shall apply to the fullest extent permissible at law.

1.5 In the event of any conflict between the above clauses and the analogous clauses in the software licence under which the AVEVA software was purchased, the clauses in the software licence shall take precedence.

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Copyright

Copyright and all other intellectual property rights in this manual and the associated software, and every part of it (including source code, object code, any data contained in it, the manual and any other documentation supplied with it) belongs to, or is validly licensed by, AVEVA Solutions Limited or its subsidiaries.

All rights are reserved to AVEVA Solutions Limited and its subsidiaries. The information contained in this document is commercially sensitive, and shall not be copied, reproduced, stored in a retrieval system, or transmitted without the prior written permission of AVEVA Solutions Limited. Where such permission is granted, it expressly requires that this copyright notice, and the above disclaimer, is prominently displayed at the beginning of every copy that is made.

The manual and associated documentation may not be adapted, reproduced, or copied, in any material or electronic form, without the prior written permission of AVEVA Solutions Limited. The user may not reverse engineer, decompile, copy, or adapt the software. Neither the whole, nor part of the software described in this publication may be incorporated into any third-party software, product, machine, or system without the prior written permission of AVEVA Solutions Limited, save as permitted by law. Any such unauthorised action is strictly prohibited, and may give rise to civil liabilities and criminal prosecution.

The AVEVA software described in this guide is to be installed and operated strictly in accordance with the terms and conditions of the respective software licences, and in accordance with the relevant User Documentation. Unauthorised or unlicensed use of the software is strictly prohibited.

Copyright 1974 to current year. AVEVA Solutions Limited and its subsidiaries. All rights reserved. AVEVA shall not be liable for any breach or infringement of a third party's intellectual property rights where such breach results from a user's modification of the AVEVA software or associated documentation.

AVEVA Solutions Limited, High Cross, Madingley Road, Cambridge, CB3 0HB, United Kingdom

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AVEVA and Tribon are registered trademarks of AVEVA Solutions Limited or its subsidiaries. Unauthorised use of the AVEVA or Tribon trademarks is strictly forbidden.

AVEVA product/software names are trademarks or registered trademarks of AVEVA Solutions Limited or its subsidiaries, registered in the UK, Europe and other countries (worldwide).

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Contents

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1 Introduction ... 9 1.1 Aim... 9 1.2 Objectives ... 9 1.3 Prerequisites ... 9 1.4 Course Structure ... 9

1.5 Using this guide ... 9

2 Cabling Design System ... 11

2.1 Overview ... 11

2.2 Accessing the Cable System Application ... 12

2.3 Cabling Application Defaults ... 13

2.4 Cabling System Toolbar ... 14

Exercise 1 Setting up the Cable Design Application ... 15

3 Cableways ... 17

3.1.1 CableWay Branch Create / Modify Tasks form Attributes... 17

3.1 Creating a Cableway (Worked Example) ... 19

3.2 Creating a Cableway Branch ... 20

3.2.1 Connections and Positioning ... 21

3.2.2 Connection and Positioning (Worked Example) ... 22

3.3 Branch Tasks ... 23

3.3.1 Define the Path / Route ... 24

3.3.2 Creating /Modifying the Route points - (Worked Example Contd.) ... 25

3.4 Edit Route Points using the Model Editor ... 27

3.5 Creating a Route Attachment Point ... 29

3.5.1 Positioning ... 29

3.6 Creating a Route Attachment Point - (Worked Example Contd.) ... 30

3.7 Creating a New Branch from a Route Attachment Point - (Worked Example Contd.) ... 31

3.8 Modifying Cableway Route using Quick Router (Worked Example) ... 32

3.9 Creating a Route Node ... 33

3.10 Creating a Route Node Point - (Worked Example Contd.) ... 34

3.11 Mark Route Nodes... 35

3.12 Checking Cableway Branch Connections ... 36

3.13 Disconnecting a Branch ... 37

3.14 Connecting Cableway Branches ... 37

3.15 Splitting Cableway Branches ... 38

3.15.1 Split Cableway Branch (Split at Point) (Worked Example Contd.) ... 38

3.15.2 Split Cableway Branch (Split using Plane) ... 39

3.16 Merging Cableway Branches ... 41

3.17 Reverse Branch ... 41

3.18 Control Node ... 42

3.19 Deleting a Branch... 42

3.20 Copying Cableway Elements ... 43

3.1 Copying Cableway (Worked Example)... 44

Exercise 2 Cableway Routing ... 45

4 Cable Design ... 47

4.1 Accessing the Cable Application ... 48

4.2 Creating a Cable ... 48

4.2.1 Choose Cable ... 49

4.2.2 Setting the Start and End References - Pick ... 50

4.2.3 Setting the Start and End References - List Equipments ... 50

4.3 ... 51

4.4 Create a Cable - (Worked Example) ... 52

4.5 Routing a Cable ... 53

4.5.1 Automatic Routing Algorithms ... 53

4.5.2 Automatic Routing ... 54

4.5.3 UnRoute Cable / Delete Cable ... 54

4.5.4 Define Route ... 55

4.5.5 Define Route (AutoRoute) ... 55

4.5.6 Define Route (AutoRoute) Worked Example ... 56

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4.5.8 Manual Route Cable (Worked Example) ... 60

4.5.9 Free Routing a Cable ... 62

4.5.10 Modifying / Creating a Route Point ... 63

4.5.11 Modifying / Creating a Route Point Worked Example ... 63

4.1 Modify Routing Status ... 64

4.2 Applying the Routing Rules ... 64

4.3 Copying Cables ... 65

4.4 Deleting Cables ... 65

4.5 Data Checker ... 66

4.6 Adding a Cable to a System ... 67

Exercise 3 Cable Routing ... 68

4.7 Import Cables ... 69

4.8 Export Cables ... 70

4.9 Cable Data ... 71

4.9.1 Cable Data (Worked Example) ... 72

4.10 Disconnect Equipment ... 74

Exercise 4 Importing Cables ... 74

5 Cable Tray Design ... 75

5.1 How it works ... 75

5.2 Creating Cableway Branch Material ... 76

5.2.1 Preliminary Dressing Defined by user ... 78

5.2.2 Dress Whole Branch ... 79

5.2.3 Dress Whole Branch - With Cable tray component ... 79

5.2.4 Dress Whole Branch - With Straights... 79

5.2.5 Dress Whole Branch - With Straights (Do not cut) ... 80

5.2.6 Dress Whole Branch - With only Bends and Risers ... 80

5.2.7 Dress Whole Branch - With Only Tee and Crosses ... 81

5.2.8 Dress Whole Branch Fill Gaps with Straights ... 81

5.2.9 Dress Whole Branch Sort trays components ... 81

5.2.10 Dress part of Branch - Picked Point ... 82

5.2.11 Dress part of Branch Picked Attachment Point ... 82

5.2.12 Dress part of Branch Straights between Picked Components ... 83

5.2.13 Dress part of Branch Segment with Straights ... 83

5.2.14 Dress part of Branch Segment with all components ... 84

5.2.15 Dress part of Branch Multiple Segments in Line ... 84

5.3 Preliminary Dressing Dimensions based on branch fill levels ... 85

5.4 Applying the Material ... 85

Exercise 5 Cable Tray Material ... 85

6 Cable Tray Modifications ... 87

6.1 Modifying Cable Trays at Branch Level ... 87

6.2 Modifying Individual Components ... 88

6.3 Modifying Individual Components Worked Example ... 89

6.4 Adding New Components ... 91

6.5 Adding New Components Worked Example ... 92

7 Cableway Penetrations... 97

7.1 Introduction to Hole Management ... 97

7.1.1 Hole Element Storage ... 98

7.1.2 Request and Approval Workflow ... 98

7.1.3 Use of the Hole Management Application ... 100

7.2 Rectangular Hole Type HR Penetration ... 101

7.3 Rectangular Hole Type HR with Sleeve ... 104

7.4 Circular Hole Type D with Sleeve ... 104

7.5 MCT Cable Transit... 105

7.6 Hole Association Manager ... 106

Exercise 6 Cableway Penetrations ... 108

8 Reporting ... 109

8.1 Reporting ... 109

8.2 Creating a Report using the Search Utility (Worked Example) ... 109

8.3 Useful reporting attributes ... 111

9 Appendix A Vantrunk SW4, SW5,and SW6 Speedway... 113

9.1 Speedway Cable Ladder ... 113

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9.1.2 Speedway SW5 Cable Ladder ... 114

9.1.3 Speedway SW6 Cable Ladder ... 114

9.2 Speedway Flat Elbows ... 115

9.3 Speedway Inside / Outside risers ... 115

9.4 Speedway Equal / Unequal Tees ... 115

9.5 Speedway Crosses ... 116

9.6 Speedway Reducers ... 116

10 Appendix B Hierarchy and Attribute Information ... 117

11 Cable Tray Volume Converter... 119

11.1 Cable Tray Volume Convertor Functionality ... 119

11.2 Cable Tray List ... 120

11.3 Set Cableway Branch Attributes ... 120

11.4 Storage Areas ... 120

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CHAPTER 1

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Introduction

The AVEVA Marine Cabling System application supports the creation of cableway, cables, and cable tray material. This course has been designed for people who are involved in the detail design and layout of electrical systems. It will provide the necessary skills for the user to be able to create cableways, cables, cable tray material, and cable tray penetrations.

1.1

Aim

Over two days the participants will learn to use the AVEVA Marine Cabling System application, and be familiar with the cableway creation, cable creation and cable tray creation.

1.2

Objectives

To have a clear understanding of the AVEVA Marine Cabling System application To be able to create cableways and cableway branches

To be able to modify the cableway route using route points and model editor To be able to create and route a cable element

To be able to use the cableway data checker utility

To be able to apply cable tray material to the cableway branch To be able to create and manage cable tray penetrations

1.3

Prerequisites

As it is necessary to have a good understanding of the rules and conventions in the AVEVA Marine Outfitting systems, the participants should have already completed the AVEVA Marine Outfitting Foundations course.

1.4

Course Structure

Training will consist of oral and visual presentations, demonstrations and set exercises. Each workstation will have a training project, populated with model objects. This will be used by the trainees to practice their methods, and complete the set exercises.

1.5

Using this guide

Certain text styles are used to indicate special situations throughout this document, here is a summary; Menu pull downs and button click actions are indicated bybold turquoise text.

Information the user has to key-in will be in bold red text. Annotation for trainees benefit

Additional information

System prompts should be bold, italic and in inverted commas i.e. 'Choose function' Example files or inputs will be in the courier new font, colours and styles used as before.

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CHAPTER 2

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Cabling Design System

2.1

Overview

The Cabling Design System application allows the users to create cableways, cables and dress the

cableways with material (trays / ladders). The cables can be routed through the cableway network to provide such information as length estimations and node schedules. The application is divided into three main areas, Cableways, Cables and Cableway material. The cabling design process is as follows:

Cableways are created early in the 3D modelling process to reserve space in the model for the cables and cable trays.

Cables are selected from the catalogue, optionally connected to equipment, before entering the cableway to follow the cableways route until leaving to connect to another equipment element. Alternatively, the cables and connecting equipment could have come from the Cable Diagram s application and be built through the Schematic-3D-Integrator application.

Cable tray material is added to the cableways either automatically or manually. There are also options to allow the user to initially dress the cableway with material.

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2.2

Accessing the Cable System Application

To start AVEVA Marine, Select Start >All Programs > AVEVA Marine > Design > Marine 12.1 > Outfitting

The AVEVA MARINE Outfitting Login form is displayed the Project,

Username, and MDB are chosen by using the option arrows adjacent to each entry, whilst the Password must be entered using the keyboard. The options are determined by the project

set-is initialset-ised.

Enter the Project Training, Username ELECT, Password ELECT, MDB ELECTRICALFWD, and then click the Login button.

The 12.1 splash screen will change depending upon the version being used

A default screen layout will be displayed comprising the main menu bar for the application and a Design Explorer window showing part of the design hierarchy. The user can reposition and, in some cases, resize the Outfitting Design windows.

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Now from the Main pull down menus select Design > Cabling System , the

display on the window changes to show the user that they are in the Cabling system application and also the Cabling Application Defaults form is displayed.

The Change in the Module name is displayed on the banner on the top of the Outfitting Design form

2.3

Cabling Application Defaults

The Cabling Application Defaults form is displayed upon entering the application. The form is divided into four sections Storage Areas, Cable Data, Specifications, and Cableway Dimensions.

Storage Areas - These are pull down lists containing all the

available storage areas for the CableWay and Cable elements.

The available list is only populated if the purpose on the Zone is set to CABL.

Cable Data- This section holds the defaults for the Excess

Lengths for Head and Tail and also the default Proximity Distance.

Specifications - These are a list of the available specifications for the CableWay Material and the Cable

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System Ref The system reference is the default

system used for the cable

Gaps - There is also the possibility to use Gaps, which allows the user to give the First, Inter

(Intermediate) and Last gaps size.

If the Specifications have been set the user must remember to change it when applying different cable tray material to other

cableways or creating different Cables

The first gap is on the head or between any element other than straight and straight. The intermediate gap is between two straights. The last gap is on the tail or between any element other than a straight.

Minimum Length Straight Tray - This is the Minimum length of straight tray that is allowed when the

cableway is dressed with cable Tray material

Cableway Dimensions - These are the default dimensions for the Cableway route. i.e. space

reservation area. They include,

Width This is the width of the cableway Height this is the height of the cableway

Cable Excess (%) this is the excess length as a % of the total, this would allow for sagging of the

cables

Maximum Fill (%) This is the fill level as a % of the total, based on the cross sectional area of the

cableway volume

Interference Class Allows a preset IClass attribute to be defined by default for new cableways, this is

loaded from the Catalogue database.

Auto Routing Criteria This toggles between two different routing methods, minimise free route and

minimise total length

If the Cabling Applications Defaults need to be changed then select Settings > Cabling Defaults from the main pull down menu.

2.4

Cabling System Toolbar

The Cabling System Toolbar is displayed once the cable application is activated. If the toolbar has been closed and needs to be re-displayed, right click in the menu area and select Cabling System Toolbar

1 2 3 4 5 6 7 8 9

1. Create Cableway

2. Create Cableway Branch 3. Modify Cableway Branch 4. Create Cable

5. Modify Cable

6. Create Cableway Material 7. Modify Cableway Material 8. Copy Cable

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Exercise 1 Setting up the Cable Design Application

1. Using the design Explorer navigate to the SITE ELECT_4DK_FWD and create a new ZONE 403-CABLE with the purpose attribute set to CABL

2. Setup the Cabling Application Defaults as shown below:

Storage Areas

Cableway 403-CABLE-001

Cable 403-CABLE-001

Cable Data

Excess Lengths Head 1000.00mm 500.00mm

Tail 1000.00mm 500.00mm

Proximity Distance 500.00mm

Specifications

CableWay Material ST/VANTRUNK-SW5-SS

Cable CABLE-DIN.MGCG-POWER-TABGRO

System Ref High Voltage System 230V AC

Gaps First 0.00mm Inter 0.00mm Last 0.00mm

Minimum Length Straight Tray 150.00 mm

Cableway Dimensions

Width 300.00 mm

Height 100.00 mm

Cable excess (%) 5

Maximum Fill (%) 75

Interference Class POWER

Auto Route Criteria

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CHAPTER 3

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Cableways

Cableways are the first phase in the creation of the Cabling System. They are used to reserve a volume in space through which cables can be routed, and the Cableway material will be added. There are a range of element types used to define parameters such as the Head, Tail, route etc. which will be covered later in the course.

Cableway branches serve four main purposes:

1. They define the start and finish points of a cableway branch route (HEAD and TAIL) 2. They own route path elements which define the route of a cableway branch in 3D view 3. They are used to route cables through them

4. They are used to place cableway material (Ladder / Tray) elements based on its physical path.

3.1.1 CableWay Branch Create / Modify Tasks form Attributes

Cableway Branches have a number of attributes which can be defined upon the creation or modification of the cableway branch. These attributes are shown below along with some examples.

Description, Function, and are general attributes for the user to

Purpose enter basic branch information.

Beta Angle This is the angle of rotation of the cableway.

Beta Angle = 90 Beta Angle = 0

Bend Radius This is the bend radius that will be applied to the cableway when created and also when the cableway is dressed with material.

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Open Direction This is the direction of open side of the cableway, once it is dressed with material.

Open Direction Z Open Direction Z Open Direction +Y

The Open Direction must be set to correspond with the first section of Cableway i.e. from the Head, as the software uses this as a reference to work out changes in direction

Justification This allows the cable tray to be justified Bottom Centre / Left / Right, Centre Centre / Left /

Right, and Top Centre / Left / Right using the

pull down menu to select the justification required.

Bottom - Right Bottom - Centre Bottom - Left

Cable Excess (%) This is to allow for sagging when the cable is supported on the cable Tray. i.e. if cable ladder is used then the cable will sag between the runs.

Maximum Fill (%) This is the Maximum fill level allowed on the cableway. It is calculated based on the cross sectional area. Once this value has been exceeded, the user would have to reroute additional cables along another cableway or modify the size of the existing cableway to accommodate the additional cables.

Current Fill Level (%) This is the Current Maximum fill level allowed on the cableway branch.

Interference

Cable Route Rule

this means that only cable with the IClass attribute set to CONTROL would be allowed to be routed along this cableway branch and non CONTROL cables would be routed on alternative cableways.

Standard Iclass This attribute, if set on the cableway and then a cableway route rule is added, this will allow only cables with the same IClass attribute to be routed along the cableway. The Load button will load the IClasses from the Properties database.

The IClass (Interference Class) attribute set by the Cable Route Rule is very important. This attribute, if different on the cable and cableway, will stop the cable from being routed.

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Shape Volume Size This allows the user to select the shape Rectangular or Circular and key in the dimension for either Width and Height or Diameter.

3.1

Creating a Cableway (Worked Example)

As the default Cableway storage area has been set, select Create Cableway from the Cabling System Toolbar or select Create > Cableway from the main pull down menu.

or

When the CableWay Create Tasks form is displayed, click the Autonaming icon on the form to populate the Cableway Name field, if the Autonaming file has not been set up, the Cableway Name will require changing to CWAY_403-001, key in the Description Training Cableway, the Purpose CABL and then click the

Create CableWay link label.

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3.2

Creating a Cableway Branch

After the Cableway is created, the Cableway Branch Create Tasks form is displayed. This could also be activated by selecting the

Create Cableway Branch icon from the Cabling System Toolbar or

selecting Create > Cableway Branch from the main pull down menu.

or

The Cableway Branch attributes can be set via this form as shown below, as well as the position for the Head and Tail.

If the Create Orthogonal Route is checked then the cableway route will follow an orthogonal route from Head to Tail. The Directional Sequence option allows the user to specify the order in which the branch will be routed.

It is important to ensure that the Directional Sequence and the Open Direction are compatible, i.e. an Open Direction of Z WRT /*could be invalid if the Directional sequence was set to Z, X, Y or Z, Y, X, if an invalid sequence is chosen then a warning message will be displayed.

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3.2.1 Connections and Positioning

There are a number of options for positioning and / or connecting the Head or Tail of a cableway branch.

Connect From: Has a drop down list containing five options:

Explicit allows the Branch Head / Tail to be picked with the

cursor.

Head of Cableway Branch allows the Branch Head / Tail to

be positioned at the head of a selected cableway branch.

Tail of Cableway Branch allows the Branch Head / Tail to

be positioned at the tail of the selected cableway branch.

Branch Off allows the Branch Head / Tail to be positioned

at a selected point on an existing cableway branch.

Route Attachment Point allows the Branch Head / Tail to

be positioned at a selected route attachment point.

Copy Tail / Head Copies the Head / Tail position for the Tail / Head so that it can be

positioned by entering offset values for any of the three axes of the co-ordinate system.

The tick box to the right of the World position is a lock; this can be used to stop the cableway branch moving along a particular axis

Pick Head/Tail Position This is used to allow the user to pick the branch Head / Tail position

in the 3D graphical view, if selected this will activate the position control form.

Create Orthogonal Route This allows the user to create an orthogonal route and select the

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3.2.2 Connection and Positioning (Worked Example)

Using the positional settings for the Head and Tail shown, create a new cableway branch, ensuring that the Open Direction is set to X WRT /*, and the Directional Sequence is set to Z, X, Y

After clicking the Create Cableway Branch link label, the created cableway branch is shown in the 3D graphical view and also in the Design Explorer window.

The Cableway Branch Obstruction may need to be changed to Solid to be able to see the undressed cableway, select and use the Cabling tab

In the Design Explorer, beneath the CWBRAN element is a selection of additional elements.

Routing Features (RTFEAT) owns Route Node (RNODE) elements. The two routes created with the branch are positioned at the Head and Tail and provide entry and exit points for cables.

Tail (TATTA), Head (HATTA)

The TATTA and HATTA are used as reference points for cable routing and branch connections

Route Path (RPATH) owns the Route Points (POINTR) elements that define the path the branch takes. They provide the position and the order of the route as well as radius information.

The Branch Tasks form will be displayed automatically.

Moving the Cableway Branch a specified distance in a particular direction can be done by entering the required co-ordinate values and using the lock boxes on the Cableway Branch Tasks form before creating the branch

Copy Tail / Head, and Pick Head / Tail Position are only available with the Explicit option

If the Cableway Branch has already been created, the user can select the branch to move and move it to the required position using the Model Editor

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3.3

Branch Tasks

Branch Tasks such as Define Path / Route, Create Route Node, Create Route Attachment Points, Delete Branch, Disconnect Branch, Check Connections and Dressing can be reached using the Branch Tasks form. This form is displayed automatically after clicking the Create Cableway Branch link label on the Cableway Create Tasks form.

Define Path / Route this displays the Define Path / Route Tasks

form allowing the user to create and modify route point positions.

Create Route Node this displays the Route Node Create Tasks

form allowing the user to create and modify route node positions.

Create Route this displays the Route Attachment Points

Attachment Points Create Tasks form allowing the user to

create and modify the route attachment point positions.

Delete Branch this displays a Confirm message dialogue

box before deleting the branch.

Disconnect Branch this allows a selected branch to be

disconnected from the connection points

Check Connection this displays the Cableway Branch

Connection form.

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3.3.1 Define the Path / Route

The Define Path / Route Tasks form allows route points to be created and positioned on a cableway branch. A route point is a reference point inserted at a defined position on the cableway branch and provides a reference for routing the branch and for adding cable tray material.

The Define Path / Route Tasks form can be displayed by selecting the link label on the Branch Tasks form or by selecting Create > Branch Elements > Route Point

Direction from Current Point This shows the direction from the

selected route point to the point s origin position, see note below.

Distance from Current Point This shows the distance from the

previous route point. Route Point Position, see note below

Route Point Positions

Pick Position this allows the position of a route point

on the cableway branch to be picked in the 3D view.

Copy Previous this copies the position of the previous

route point

Copy Next this copies the position of the next

route point

Fillet Radius This sets the radius of curvature between two straight sections of cableway.

There are two Modes available, Creation and Modification which affect the appearance of the form. Changing from Creation to Modification changes the Direction from Current point and Distance from Current point fields at the top of the form to Direction from Previous point and Distance from Previous point. The Creation mode also includes a Create Route Point link label at the base of the form

Backwards This changes the Route Point order

Mark Route Points This displays the Route Points graphically along the cableway

List Associated Cables This lists all associated cables routed along the cableway element

Create Route Point This will create a route point after the Point selected

in the list. Adding the new point to the Select Route Point list and showing its position in the 3D graphical view by an X, Y, Z label.

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3.3.2 Creating /Modifying the Route points - (Worked Example Contd.)

The aim of the worked example is to modify the existing route by adding additional Route Points to allow for an obstruction. From the Define /Path Route Tasks form, set the form to Creation Mode. From the Route Point position section, key in the new World Position for Z of 3750.00mm and click the Create Route Point link label. The newly created route point is now visible in the Select Route Point list.

Clicking the right mouse button with the cursor over the grid will allow the user to change the grid system display

Change the Route Point Position for Y to a new World Position -5750.00mm as shown and click the Create

Route Point link label once again, the form is automatically updated.

Change the Route Point Position for Z to a new World Position 3000.00mm as shown and click the Create

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Lock the X and Z World Position, click the Copy Next link label. The Y World Position is changed to

4950.00mm click the Create Route Point link label once again.

Copy Next and Copy Previous allows the

user to Copy the Route Point Position i.e. X, Y, Z of the previous or next route point

Finally the route has been changed to the required position with the addition of new route points.

The user can now modify the Fillet Radius by changing to the Modification mode, selecting the Route Point from the list and keying in a Fillet Radius value of 300. The user must click the Apply Changes link label for each case.

Remember to unlock the X and Z positions when changing the Fillet Radius.

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3.4

Edit Route Points using the Model Editor

The route of the cableway can be altered using the Model Editor to manipulate the route points. From the 3D graphical view select a route point, and click the

Model Editor icon.

The Model Editor is displayed at the origin position for the Cableway

Select the cableway and click the right mouse button. A pop-up menu is displayed, from which the user can select Edit Route Points. The Model Editor is now displayed on the first route point.

With the cursor select the route point to move. The model editor handle now moves to the selected route point i.e. V -1400.00mm

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The route point is moved and the cableway modified to follow the new position of the route point. Repeat the

If any cables had been held within the cableway branch, these can be re-routed using the

AutoRoute Cable facility on the Modify Cable form

Holding down the ctrl key on the key board allows more than one route point to be selected for modification

Right clicking whilst in the Edit Route Points mode will allow the user to insert additional route points by selecting Insert route point

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3.5

Creating a Route Attachment Point

A Route Attachment point (RATTA) is a reference point which is used to allow branches to be connected at a position other than the Branch Head / Tail. The RATTA element sits beneath the Connection Sequence (CONSEQ) element which is owned by the CWBRAN.

The main information held by the attributes of the RATTA is the name of the POINTR it was positioned from and the offset distance.

The Route Attachment Points Create Tasks form is displayed by clicking the Create Route Attachment

Points hyper link button on the Branch Tasks form or by selecting Create > Branch Elements > Route

Attachment Point from the main pull down menu. When the Route Attachment Points Create Tasks form

is displayed and a <RATTA> label is also added to the 3D graphical view.

3.5.1 Positioning

The Route Attachment Points Create Tasks form allows the position of the RATTA to be defined. It also allows the user to select whether a new RATTA is being created, or an existing one modified.

Reference Point - This allows the user to select a reference

point or to use the Pick label link to pick a branch in the 3D view to set the reference point. The references are the points defining the route path.

Offset Distance - This is populated by keying in the offset

required or by using the Pick link label.

Move Offset - This allows the user to increase / decrease the

distance by using the arrow button.

Proportional Distance - This is populated by keying in a value

between 0 and 1.

Mark Route Points - This checkbox toggles the display of the

Route Point names in the 3D View.

The <RATTA> label will be repositioned automatically by selecting a Reference Point from the drop down list on the form, this will then show a preview of the specified position in the graphical display.

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3.6

Creating a Route Attachment Point - (Worked Example Contd.)

From the 3D graphical view select the cableway to add a route attachment point to, and then from the main pull down menu select Create > Branch Elements > Route Attachment Point . The Route Attachment Points Create Tasks form is displayed. Now from the Reference Point pull down list, select number 2

The <RATTA> is displayed in the 3D graphical view. Key in the Offset Distance 750.00mm, this places the <RATTA> along the segment between points 2 and 3. When the required position is achieved click the

Create Route Attachment Point link label.

The RATTA is created and can be seen in the Design Explorer window or by changing to modification mode.

The RATTA position will adjust form the Offset Distance due to the bend radius, i.e. the 750mm will actually be 450mm due to the 300mm bend radius as the distance is taken from the fillet end and not the CL of the bend.

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3.7

Creating a New Branch from a Route Attachment Point - (Worked Example Contd.)

From the main pull down menu select Create > Cableway Branch , the Cableway Branch Create Tasks form is displayed. Change the Width of the tray to be 150.00mm and make sure that the Open Direction is set to X WRT /*, now from the Branch Head section of the form select the Connect From pull down list and choose Route Attachment Point

At the top of the graphical display area, the user is prompted to Pick RATTA. Using the cursor select the RATTA required.

The user may need to switch to wireline mode to be able to select the RATTA by pressing F8, the Graphical Settings could also be changed to make selection and visualisation better.

The Head position will now be displayed. From the Branch Tail section of the form click the Copy Head link label.

The Tail positions are now populated with the same values as the Head positions. Change the Z World Position to 4500.00mm and the click the Create CableWay Branch link label. The new Cableway branch is created and displayed in the 3D View.

The Connect From: and Connect To: pull down list has an option Branch Off. If route attachment points have not been created then this is an alternative method

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3.8

Modifying Cableway Route using Quick Router (Worked Example)

To modify the route of the newly created cableway branch, click the Model Editor icon, right click and select

Quick Routing from the context menu.

The Quick Routing arrows are displayed at the Head and Tail of the branch. Click the Tail arrow and holding down the left mouse button drag the arrow down in the -Y direction by 1500.00mm and then release the mouse button.

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3.9

Creating a Route Node

A route node (RNODE) is a multi purpose reference point created on the cableway branch, and facilitates the implementation of various activities such as defining take-off points, positioning penetration glands, reporting and to aid in the cable routing i.e. force the cable to pass certain route node points.

The Route Node Create Tasks form is displayed either by selecting

the Create Route Node link label on the Branch Tasks form or from

the main pull down menu by selecting Create > Branch Elements > Route Node

Route Node Name - A route node name can be keyed in or the

Autonaming icon can be selected to give an automatically

generated name i.e. RN001

Route Node Type - This is the type of route node; this can be

selected from the drop down list.

Takeoff - This is a RNODE from which the cable will leave or enter the cableway.

Gap - This is the point that a gap will be left between the Cableway Material, and is positioned at the centre point of the gap. The size of the GAP is defined by the GAP (Y Offset) field.

Offset - This RNODE is used to position Transit Glands and Fittings, and is created automatically for the user.

Penetration - This RNODE is used by the system to hold reference to penetrations, and is created automatically for the user.

Report - This RNODE has no active function, but allows users to report for any position on the branch.

The functionality for the Control and Seam options are not yet implemented.

Reference Point - This allows a reference point to be set from the drop down list or by selecting the Pick label link. The references are the points defining the route path.

Offset Distance - This is populated by keying in the offset required or by using the Pick link label.

Move Offset - This allows the user to enter a value in the box and use the right or left arrow to respectively

increase or decrease the Offset Distance by that value

Proportional Distance - This is populated by keying in a value between 0 and 1.

X, Z Offset / Gap (Y Offset) - The X, Z Offsets are used when the Offset RNODE type is selected. The Gap

(Y-Offset) will become active when the Gap or Penetration Route Node type is selected.

Connection - This allows the user to connect a RNODE to a CNODE by either pick or key in a connection. Specification - This allows the user to set a specification against the route node i.e. to be able to represent

the route node with a primitive. The different Route Node Types are displayed with three different primitives as shown below.

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3.10 Creating a Route Node Point - (Worked Example Contd.)

With the Cableway Branch CWAY_403-001_B1 active, select Create > Branch Elements > Route Node from the Main pull down menu. The Route Node Create Tasks form is displayed. Select the Autonaming icon to automatically name the route node.

From the Route Node Type pull down list select Takeoff, set the Reference Point to 6, key the Offset Distance as 2150.00mm, set the Reference Specification by clicking the Choose link label and then selecting CABLEWAY_REPRESENTATION.MAIN_TABITE

item from the Choose Route Node form which is displayed.

Finally click the Create Route Node link label.

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3.11 Mark Route Nodes

The Mark Route Nodes utility allows the user to display graphically the Route Node points with in the current Site, Zone, Cableway, or Branch. From the main pull down menu select Utilities > Mark Route Nodes

The Mark Route Nodes form is displayed showing a list of the Route Nodes for the current cableway. On the form there is a Select pull down list. This allows the user to navigate to the current Branch, current

Cableway, current Zone or current Site to view the Route Nodes owned by the selection.

The Route Nodes are also displayed in the 3D graphical view.

Checking the Mark Selected button will add a tag to the Route Node selected in the Mark Route Nodes list,

Unmark Selected will remove the selected tag.

Whilst clicking Mark All link label will add tags for every instance in the list for the current selection and clicking the Unmark All link label will remove all the tags from the graphical display.

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3.12 Checking Cableway Branch Connections

This utility allows the user to check the cableway branch connections by using the Cableway Branch Connection form. This form can be accessed either by selecting the Check Connections link label on the Branch Tasks form of from the main pull down menu by selecting Utilities > Check Branch Connections From the Main pull down menu select Utilities > Check Branch Connections .

The Cableway Branch Connections form is displayed. On the form there is a Select pull down list, this allows the user to navigate to the Current Branch, Current Cableway, Current Zone or Current Site to check the cableway branch connections

The Tag section of the form influences how the various Branch Connections are tagged in the graphical display. Checking the Selected box will add the appropriate tag to the Branch Connection selected in the list

Whilst clicking one of the other link labels for Connected, Unconnected or All will add tags for every instance in the list. For example, with Current Branch in the Select pull down clicking the Unconnected link label will add tags to all Branch Connections with that status owned by the current Branch and clicking the

Remove All link label will remove all the tags from the graphical display.

Clicking the right mouse button displays a pop up menu. The user can

Navigate on Selection (this navigates to the selected element in the

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3.13 Disconnecting a Branch

To disconnect a cableway, select the cableway branch to be disconnected from its connection points and then click Disconnect Branch link label from the Branch Tasks form.

Disconnecting cableway branches means that it will not be possible for cables to be routed between the two branches

This can be also done from the main pull down menu by selecting Utilities >

Disconnect Branches

3.14 Connecting Cableway Branches

The Connect Branches utility allows the user to connect two cableway branches using the pick facility. The Utility is accessed by selecting Utilities > Connect Branches from the main pull down menu. The user in prompted to Pick First Branch . Using the cursor select the first branch to connect.

At the top of the graphical display the user is prompted once again to Pick Second Branch . With the cursor, select the second branch to connect. When the Confirm dialogue form is displayed click the Yes button.

A RATTA will automatically be created where the branches meet.

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3.15 Splitting Cableway Branches

The Split Branches utility allows the user to split a cableway branch either at a point or by using a plane. The utility is accessed by

selecting Utilities > Split Branches from the main menu to display the Split Cableway Branch form.

3.15.1 Split Cableway Branch (Split at Point) (Worked Example Contd.)

From the graphical display select the Cableway branch to split, and then from the main pull down menu select Utilities > Split Branches

The Split Cableway Branch form is now displayed. From the split options pull down list select Split at Point and then click the Pick Point button. Using the cursor select the cableway approximately where the split is required.

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The form is updated showing the Distance from segment start position. This can now be changed if required. Key in 450.00, in the Move down-stream components to section of the form and select Existing Cableway radio button and then click the Split button.

The Move Offset allows the user to set an offset distance to increase / decrease the distance from segment start value each time the direction arrow is clicked

The original cableway branch is now split and a new cableway branch is created.

3.15.2 Split Cableway Branch (Split using Plane)

From the graphical display select the Cableway branch to split or select the branch using the Design Explorer, and then from the main pull down menu select Utilities

> Split Branches

Since CWBRAN CWAY_403-001_B3 penetrates the deck panel F204_TD_1, then this could be split at a specified distance above a plane. From the Split options pull down list select Split using Plane. Now click

Add Ce button to add the cableways to be split (several cableways could be selected if required). In the

Move down-stream components to section of the form select the New Cableway radio button and then click the Create plane button.

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The user is now prompted at the top of the graphical display to Pick on the segment which the branch

should be split . Using the cursor indicate where the split plane should be created. The split plane is now

displayed in the graphical view.

The Modify plane button

can be used to activate the Modify Plane form so the plane position can be changed if required

The Align button can be used to align the plane using the positioning control toolbar.

The Plane can now be aligned with the HPANEL F204_TD_1 HPLATE 1, click the Align button and then select the HPANEL F204_TD_1 HPLATE 1from the graphical view. Now use the Modify plane button to change the Z value so that the cableway is split 200.00mm above the deck.

Once the split plane is in the correct position, click the Split button. The original cableway branch is now split and a new cableway and cableway branch is created.

The Open Direction of the Cableway may need to be changed for the newly created cableway to be displayed graphically

The Newly created Cableway may require renaming, if the Auto naming has not been set up and may also require moving to a different zone, which may mean moving the element across databases.

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3.16 Merging Cableway Branches

The Merge Branch utility allows the user to merge two cableway branches using the pick facility. The utility is accessed by selecting Utilities > Merge Branches from the main pull down menu. The user is now prompted in the top of the graphical display to Pick First Branch . Using the cursor select the first branch element from the graphical display. The user is then prompted once again, this time to Pick Second

Branch . Again with the cursor select the second branch to merge.

When the Confirm dialogue form is displayed asking the user to confirm the merge of the two cableway branches, click the Yes button. The two cableway branches are merged.

The Open Direction of the Cableway may need to be changed for the newly created cableway to be displayed graphically

If two different sized cableways are selected for merging then the first cableway selected will be the size retained. This also applies if one is a rectangular cableway and the other a circular conduit

The name of the merged branch is taken from the first branch selected and all the cables passing through the branches being merged will need to be re-routed.

3.17 Reverse Branch

The reverse utility reverses the Branch Head and Branch Tail. Select the CWBRAN CW_403-001_B2 from the graphical view. Now from the main pull down menu select Utilities > Reverse Branch . The Head and Tail position are now reversed.

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3.18 Control Node

A control node is a point in space that has a position. This is used as an early aid to cableway routing. A control node element can exist below a ZONE or CWAY. From the main pull down menu select Create >

Control Node . The Create Control Node form is displayed. Key in the Control Node Name or use the

Autonaming icon to populate the Control Node Name field. Set any additional attributes and give the

Control node a position. Finally Click the Create Control Node link label. The Control Node is created and is displayed in the graphical view and the Design Explorer.

The control node can be modified by selecting Modify > Control Node from the main pull down menu. A Route Node can be connected to a Control Node.

3.19 Deleting a Branch

A cableway branch can be deleted by selecting the branch in the 3D graphical view and then clicking the

Delete Branch hyperlink on the Branch Tasks form or by selecting Delete > CE from the main pull down

menu.

From the main pull down menu select Modify > Cableway Branch . The Cableway Branch Modify Tasks form is displayed. Now click the Branch Tasks link label.

Once the Branch Tasks form is displayed click the Delete Branch link label. A Confirm dialogue box is displayed, asking the user if it is Are you sure to delete /<Cableway Name> . Click the Yes button to confirm deletion or the No button to cancel.

When a cableway is deleted where cables were previously routed the cables will have their status changes to un-routed

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3.20 Copying Cableway Elements

To copy cableway elements select Create > Copy > Cableway Elements from the main pull down menu. The Copy Cableway Elements form is displayed.

The Copy Cableway Elements form has four sections:

Select Options - This allows the user to select at which level the

elements will be copied. The user can select from Zone, Cableway, Cableway Branch or Cableway with Cables.

Select Elements - This allows the user to select the element to copy by

clicking the CE link label and then entering the name of the new element.

Copy Options - This allows the user to key in the number of copies

required.

Offset - This allows the user to either key in the offset position or to pick

the offset using the Pick Offset link label.

Depending upon which options is selected, the Select Elements and Copy Options sections of the form will show different fields

When copying connected cables, the newly created copies of the cable will not have associations with equipment

If a new Cableway/Branch is created and it intersects correctly with an existing branch, then a RATTA will automatically be created

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3.1

Copying Cableway (Worked Example)

On the Copy Cableway Elements form select the Cableway Branch radio button, now using the Design Explorer navigate to the cableway branch to copy i.e. CWAY_403-001_B2 and then click the CE link label.

Click the Autonaming icon on the form to populate the Name of New Branch field. Key in the Number of Copies i.e. 1, key in the Offset i.e. World Position Y 350.00mm, Z 250.00mm

The new cableway branch route is shown dotted allowing the user to change it position, once ok then click the Copy Copy was

successful OK button, now the new cableway branch is added to the graphical view.

The Cableway Routing Points can now be modified or additional Routing Points added to change the layout of the cableway.

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Exercise 2 Cableway Routing

Prior to starting the exercise Delete the previously created training example cableways. Now using the Design Explorer navigate to the SITE

EQUIP_4DK_FWD and add the ZONE 403-EQUIP and the BLOCK F401, BLOCK F204, the rest of the Outfitting elements for the area can also be added i.e. ZONE 403-HVAC, ZONE 403-PIPE, ZONE, ZONE 403-STRUCT, etc.

The following equipment SWC3001, SWC3002, SWC3003, SWC3004, SWC3005, SWC3006, SWC1001, SWC1002, SWC1003, and SWC1007 will be the equipment that the cable trays will be required to be routed for around the engine room ZONE 403-CABLE.

Create the Cableways CWAY_403-001and CWAY_403-002 complete with the cableway branches as shown, belonging to the ZONE 403-CABLE. The Branch Head and Tail Positions are shown below for the main routes.

The Cableways sizes to be used are Width 150.00mm x Height 100.00mm and Width 300.00mm x Height 100.00mm

All the other Cableway branches are to be created similar to shown below exact positions to be determined by user to tie in with the relevant equipment and collision free.

SWC3001 Position X 121950mm Y 4300mm Z 3850mm SWC3002 Position X 121950mm Y -5200mm Z 3850mm SWC3003 Position X 121897.5mm Y -2200mm Z 3190mm SWC3004 Position X 121897.5mm Y -2630mm Z 3190mm SWC3005 Position X 121897.5mm Y -2630mm Z 3400mm SWC3006 Position X 121897.5mm Y -2200mm Z 3400mm

If the cableway representation goes to single line this can be changed by modifying the Open Direction attribute from the Cableway Branch Modify Tasks form

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CHAPTER 4

4

Cable Design

Cables are normally created after the layout of the cabling system has been defined by the cableways. The created cables are then routed along the cableways to connect to various equipment elements either automatically or manually. The cable has a cable specification that includes the physical properties of the cable. Some of these properties are listed below.

Outer Diameter Outer Shield Diameter

Uweight /m - Unit weight per meter

Resistance - This is the resistance to electrical

current, resistance is measured in ohms

Reactance - This is a measurement of

capacitance in an alternating current (AC) circuit, reactance is measured in ohms

Impedance - Electrical impedance, or simply impedance, describes a measure of opposition to a

sinusoidal alternating current (AC). Electrical impedance extends the concept of resis tance to AC circuits, describing not only the relative amplitudes of the voltage and current, but also the relative phase. Impedance is a complex quantity and the term complex impedance may be used

interchangeably; the polar form conveniently captures both magnitude and phase characteristics, Where the magnitude represents the ratio of the voltage difference amplitude to the current

amplitude, while the argument gives the phase difference between voltage and current. In Cartesian form,

Where the real part of impedance is the resistance and the imaginary part is the reactance. Dimensionally, impedance is the same as resistance; the SI unit is the ohm

MinBend - This is the minimum bend radius

CondGroups - This is the number of conductor groups Dinterference - This is the default Interference class VoltAC - This is the alternating current voltage VoltDC - This is the direct current voltage

Current - Electric current is the flow (movement) of electric

charge. The SI unit of electric current is the ampere, and electric current is measured using an ammeter. For the definition of the ampere. The electric charge may be either electrons or ions. The nature of the electric current is basically the same for either type

Gap Allowance - Not yet implemented XArea - This is the cross sectional area

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4.1

Accessing the Cable Application

Depending upon the configuration of the project, the cables may be stored in different databases, which the Cableway user does not have access to. If this is the case the user may have to logoff and log back into the application as a different user. In this case the databases have been configured to allow a cableway user and a cable user to access both applications.

4.2

Creating a Cable

From the main pull down menu select Create > Cable . The Create Cable form is now displayed.

The Create Cable form is split into six sections as shown below.

Element Naming

Name -The Name field is populated automatically by clicking the

AutoNaming icon; a new name can be keyed in if required.

Primary System a cable can be assigned to a system, the

systems are typically created by the administrator.

Basic Data

Description - Description of cable. Function - Function of cable. Purpose - Purpose of cable.

Fill Check - This controls whether a check of the fill levels is

carried out automatically when a cable is routed.

Excess Length (mm) - There are four excess lengths, two for the

head and two for the tail, which are user dedfined.

Proximity Distance The proximity distance is the search

distance for an equipment element from the end of a cableway.

Routing Status - This is the status of the current cable, i.e.

Un-routed, Routed, Routing failed, etc.

Cable Length This is the total Cable Length. This is populated

when the cable is routed, this is calculated from the point where the cable enters the cableway or cable tray and the point where the cable leaves the cableway / tray, plus the Cable Free Length, plus any added Excess Lengths and percentages from defaults.

Cable Free Length - This is populated when the cable is routed. This is the total length from the start

equipment to the point the cable enters the cableway / tray plus the total length from the point the cable leaves the cableway / tray to the end equipment.

Specification

Choose Cable - This allows the user to select a cable from the available specifications. Specification - This displays the cable that has been selected from the specification. Description - This displays the description of the selected cable.

No. of Cores - This displays the number of cores the cable component has.

Interference Class - This displays the default interference class applied to the selected cable from

the specification.

Start / End

Reference - This allows the Start / End reference to be either keyed in or picked graphically using the

cursor.

Description - This is the description of the Start / End reference element.

List Equipments - This allows the user set the Start / End reference by selecting from a list of

equipment.

Tasks

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4.2.1 Choose Cable

Currently the specification reflects what was set up in the cabling defaults, if this is required to be changed this done by clicking the

ChooseCable link label, from the Specification section of the

Create Cable form.

The Choose Cable form is displayed. From the Table pull down list select

/CABLE-DIN.MGCG-POWER-TABGRO, then from the list of available cables select S-DIN.MGCG-3x25 and click the Apply button to

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4.2.2 Setting the Start and End References - Pick

From the Start section on the Create Cable form, click the Pick link label. At the top left corner of the graphical view a prompt is displayed asking the user to Identify Equi/Valve/Inst/Pcom/Elconn for Start

Ref: . Using the cursor indicate the equipment SWC3001

ipment will be used. If one electrical connection is available then this will be taken by default, if more than one electrical connection is present on the equipment element the a List of Elconns will be displayed for the user to select the required electrical connection.

Because the equipment SWC3001 has electrical connections

(Elconns) the List of Elconns form is displayed, select the Elconn that the cable is to be connected to SWC3001/EL1 and then click the

Apply Link Label. The Reference is now populated with the selected equipment SWC3001/EL1

4.2.3 Setting the Start and End References - List Equipments

Instead of selecting an equipment graphically, it is also possible to select an item from a list by clicking the

List Equipments link label on the create Cable form. This displays a list of all equipment items underneath

a selected ZONE, with the option of also applying a rule to help filter the search.

Using the Design Explorer navigate to the Zone 403-EQUIP and then from the List of Equipments form select Zone from the pull down list. The List of Equipments is now populated with all of the equipments from the selected Zone. Select the equipment SWC3002 and click the Apply button.

The List of Elconns form is displayed once again, select the SWC3002/EL1 and then click the Apply

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4.3

Adding Electrical Connections

to an Equipment Element

When connecting a cable to an item of equipment, there are two possibilities for reference points. The cable can connect directly to the equipment element, taking its origin point as the actual starting position.

Alternatively, the cable can connect to an ELCONN element if present. The ELCO cal connections and can be added to any item of equipment.

To add an ELCONN to an equipment element, application mode must be changed to Equipment; navigate to the equipment element in the Design Explorer and select Create > Electrical Component. The catalogue reference can then be set on the ELCONN. The ELCONN holds the terminal information i.e. T1, T2, T3 etc. and this is set in the catalogue.

Select /ELCONN_T3 from the Create Electrical Component form and click Create button. The Create Electrical

Component form will be disabled and the user will be

The Create Electrical Component form now changes to allow the user to set the component position, alternatively the user could indicate graphically to position the component.

Once the component is positioned press the Esc key or click the Next button on the form to complete the command. The ELCONN also has a position attribute so it can be positioned using the Model Editor. Once

the EL switch applications back to Cabling System.

Figure

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References

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