PM Object Networks Guide
`
`The following Help Topics are available:
`
`For Help on Help, Press F1
`Version
`
`SAP-00005493
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`

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`Version
`Prepared for R/3 Release 2.1.
`April 94
`
`SAP-00005494
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`

`
`Copyrights
`
`@1994 SAP AG. All rights reserved.
`Neither this documentation nor any part of it may be copied or reproduced in any form or by any
`means or translated into another language, without the prior consent of SAP AG.
`
`SAP AG makes no warranties or represenations with respect to the content hereof and specifically
`disclaims any implied warranties of merchantability or fitness for any particular purpose. SAP AG
`assumes no responsibility for any errors that may appear in this document. The information
`contained in this document is subject to change without notice. SAP AG reserves the right to
`make any such changes without obligation to notify any person of such revision or changes. SAP
`AG makes no commitment to keep the information contained herein up to date.
`
`SAP-00005495
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`

`
`Overview: Linking Technical Systems in Plant Maintenance
`
`Overview
`
`This section gives an introduction to the principles of linking technical objects and an explanation of
`specific terms. It describes the objects that can be linked and the basic considerations that you
`should take into account.
`It contains the following topics:
`
`SAP-00005496
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`

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`Structuring Options
`
`It is important that a company’s technical systems are structured sensibly so that plant maintenance
`receives adequate DP support. How a company structures its technical systems depends both on
`the type of the company and the type of systems used.
`In order to satisfy the requirements of the user, the PM System provides various structuring options
`that allow the user to structure technical systems both vertically, in other words hierarchically, and
`horizontally.
`These structuring options can also be combined.
`
`Hierarchical Structure
`
`The PM System provides several options for structuring technical systems:
`¯
`functional structure
`You subdivide a technical system into functional locations.
`¯ object-related structure
`You subdivide a technical system into pieces of equipment.
`¯ technical structure
`You allocate the technical objects comprising the system to particular object classes.
`In each of the above cases, the hierarchy, in other words the vertical relationship, is at the forefront.
`
`Horizontal Structure
`
`The PM System also provides the functionality for structuring technical systems horizontally. This
`allows you to represent the links that exist between various technical systems (for example,
`between production units alone, between production units and supply systems, and between supply
`systems and disposal systems), allowing you to form a network of technical objects.
`
`SAP-00005497
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`

`
`Principles of Linking Objects in PM
`
`Reasons for Linking Objects
`
`You can use the Object Networks module in the PM System to represent the way in which technical
`objects depend on one another. This is of particular importance for companies that supply
`electricity, gas and water, as well as for the chemical industry, but it is also advantageous for
`companies that have many production lines that are interlinked, or those that operate host
`networks, to be able to structure and manage object links in plant maintenance.
`Some of the reasons for creating and managing links between objects are given below:
`You want to see the connections between various objects, in order to be able to recognize
`possible causes in predefined systems when analyzing malfunctions.
`You want to be able to see at all times the objects which supply another object, so that you
`know when planning a maintenance task which particular supply systems might have to be shut
`down.
`¯ You want to be able to see at all times the objects which supply another object, so that you
`know when planning a maintenance task which particular objects will be affected when a system
`is shut down.
`
`Types of Object Link
`
`You can represent different types of links between technical systems in the PM System:
`
`One-Way Link
`
`A one-way link is one in which a medium, transferred by means of a link between one object and
`another, is always supplied in the same direction.
`Example:
`Pump A, Pump B and Pump C are linked with each other by means of water pipes. The water is
`always pumped from Pump A to Pump B and from Pump B to Pump C. The link is therefore
`one-way.
`
`Two-Way Link
`
`A two-way link is one in which a medium, transferred by means of a link between one object and
`another, is sometimes supplied in one direction and sometimes supplied in the other.
`Example:
`Host A and Host B are connected with each other by cable. Information flows from both Host A to
`Host B and Host B to Host A. The link is therefore two-way.
`
`Simple Link
`
`A simple link is one in which two objects are connected by means of a single link object.
`Example:
`Pump A and Pump B are linked with each other by means of a pipe. The pipe represents the simple
`link.
`
`Parallel Link
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`SAP-00005498
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`

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`A parallel link is one in which two objects are connected by means of several link objects.
`Example:
`Host A and Host B are linked with each other by means of three cables. The cables represent the
`parallel link.
`
`Inward Link
`
`Links that lead to a technical object, connecting it with the medium supplied, are described as
`inward links.
`Example:
`Production Area A is supplied with raw materials from Functional Location Y and Functional
`Location Z by means of a conveyor belt in each case. The conveyor belts represent the inward links
`of Production Area A.
`
`Outward Link
`
`The links that lead from a technical object, transporting the medium to other objects, are described
`as outward links.
`Example:
`A clarification plant has an inlet pumping station, from which a pump for mechanical cleaning is
`driven and from which a slope conveyor leads to the waste container. The pump and the conveyor
`are the outward links of the pumping station.
`
`Object Network
`
`An object network consists of several links that share a common characterizing mark. Object
`networks are formed when different objects are linked with each other.
`Example:
`The water pipes in a large building are summarized in the object networks "Drinking water" and
`"Central heating".
`
`Objects Which Can be Linked
`
`In the PM System, you can link a
`¯
`functional location to another functional location
`¯ piece of equipment to another piece of equipment
`You cannot form links between objects of different types, in other words, between a functional
`location and a piece of equipment.
`
`Nodes
`
`A technical object (a functional location or a piece of equipment) that is linked with another
`technical object is described as a node.
`
`Objects Which Can Form Links
`
`Both functional locations and pieces of equipment can represent the link object that connects two
`objects in the PM System. However:
`¯ two functional locations can only be linked by a single functional location
`¯ two pieces of equipment can only be linked by a single piece of equipment
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`SAP-00005499
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`However, it is not necessary to manage the link object (for example, the pipe or the cable) as a
`functional location or piece of equipment in the PM System. The link between two technical objects
`is identified by the link number. You only need to specify that technical object A is linked to
`technical object B; you do not need to say what links the two objects.
`
`Characteristics of an Object Link in PM
`
`Object links are stored and managed in the PM System by means of a unique number.
`All the essential data of an object link is shown in a single screen in the object master record. The
`screen is the same for both functional locations and equipment. It comprises three blocks of data:
`¯ Object link
`This block contains the number and the description of the link, and the ID of the network to
`which the link belongs.
`¯ Link object and linked objects
`This block contains the numbers and the descriptions of the objects that are linked and possibly
`also the number and the description of the object that represents the link.
`¯ Link description
`This block contains the details of the validity of the link, the medium that flows through the link,
`and the relation between the linked objects.
`You can also enter the following information on the object link from the master data screen:
`¯ multilingual texts
`¯
`classification data
`¯ document data from the document management system
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`SAP-00005500
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`Object link master record
`
`Object link
`Linked °bjeots and link°bjeot
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`DescriptiOn Of link
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`I
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`I
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`I
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`multilingual texts
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`classification I
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`documents I
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`I
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`I
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`I
`I
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`SAP-00005501
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`

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`Linking Functional Locations
`
`This section describes how to link functional locations with one another, in other words how to
`create a link between two functional locations, and how to change, display and delete the link.
`It contains the following topics:
`
`SAP-00005502
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`

`
`Creating a Functional Location Link
`
`Before you start to create links between functional locations, you should be familiar with the overall
`structure of the area to which the functional locations belong. Only then will you be able to create
`links that have been carefully thought out, thus avoiding the need for later, time-consuming
`changes that could have far-reaching effects.
`
`Selecting the Function
`
`To
`
`1.
`
`create a link between two functional locations, proceed as follows:
`
`Select Logistics --> Plant maintenance --> Technical objects.
`This brings you to the Technical Objects screen.
`
`.
`
`2. Select FunctLocation --> Object link --> Create.
`This brings you to the screen Create Object Link: Initial Screen.
`If your company has specified external number assignment for object links, enter the number
`with which the link is to be managed, paying attention to any company-specific rules.
`If your company has specified internal number assignment for object links, do not enter a
`number. The system will assign a number automatically when you save the link, and a message
`will inform you of the number.
`4. Press ENTER. This brings you to the Create Object Link: Functional Locations screen.
`
`Entering the Link Data
`
`.
`
`Enter all the data that is to be saved for the new object link in the Create Object Link: Functional
`Locations screen:
`1. In the first block of the screen, enter a short text that describes the link. If the link belongs to an
`object network that you want to keep separate from another object network, enter the network
`number as well.
`In the second block of the screen, enter the two functional locations between which the link
`exists. If the functional locations are linked by an object that is also managed in the system as a
`functional location, enter the number of the object as well.
`If you do not know the functional location numbers, use the online help available.
`Note
`Note that the entries in the fields Link frm FLoc. and Link to FLoc. only indicate that a link exists
`between the two functional locations. The order in which you enter the functional locations does not
`determine the direction in which the medium is transferred. This is determined when you enter the
`type of relation used in the third block of the screen.
`3. In the third block, enter the data that describes the link in greater detail, using the online
`documentation to guide you.
`
`Entering Multilingual Texts
`
`You can enter the short text of the link, and any long text that you may have entered, in other
`languages as well as the original.
`
`Entering Multilingual Short Texts
`
`To enter the short text in another language, proceed as follows:
`
`SAP-00005503
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`

`
`1. Select Goto --> Texts in the Create Object Link: Functional Locations screen.
`This brings you to the Multilingual Texts: Maintain screen.
`2. Enter the short texts, using a line for each language, entering both the language key and the
`text in each case.
`3. Make a temporary note of short texts with Texts -~ Hold.
`This brings you back to the Create Object Link: Functional Locations screen.
`
`Entering Multilingual Long Texts
`
`To enter the long text in another language, proceed as follows:
`
`1. Select the menu options Goto --> Texts in the Create Object Link: Functional Locations
`screen.
`This brings you to the Multilingual Texts: Maintain screen.
`2. Place the cursor on the line of the language in which you want to enter a long text.
`3. Select Goto --> Long text.
`This brings you to the screen Change Object Link Long Text: <link number> Language
`<language key>.
`4. Enter the long text. The SAPscript functions are available for this.
`
`5. Return to the Multilingual Texts: Maintain screen with Text -~ Save and then Text -~ Exit.
`6. Make a temporary note of the texts with the Hold function.
`This brings you back to the Create Object Link: Functional Locations screen.
`
`Classifying the Link
`
`You can classify the links between functional locations according to technical characteristics. To do
`this, you use the SAP Classification System. The classes will help you to find links in the system
`that are similar or the same.
`When your company uses the SAP Classification System for object links, classify the objects as
`follows:
`
`1. Select Goto --> Classification in the Create Object Link: Functional Locations screen.
`This brings you to the Create Object Link: Classification screen.
`2. Classify the link according to your company’s particular rules, using the online documentation to
`guide you.
`3. Return to the Create Object Link: Functional Locations screen with Back.
`You can find further information on classification in the MM Classification Guide.
`
`Entering Documents for the Link
`
`If the link between the functional locations has any supporting documents that are managed in your
`company with the SAP Document Management System, you can enter the documents in the
`master record. To do this, proceed as follows:
`
`1. Select Goto --> Documents in the Create Object Link: Functional Locations screen.
`A pop-up window appears.
`
`SAP-00005504
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`

`
`2. Enter the documents that are used for the link, using the online documentation to guide you.
`3. Press Continue to close the pop-up window.
`You can find further information on document management in the PP Document Management
`System.
`
`Saving the Data
`
`When you have entered all the relevant data for the link between the two functional locations, save
`the master record with ObjLink --> Save.
`The system informs you in a message that the new object link has been created, and displays the
`number under which the link was saved in the case of internal number assignment.
`
`SAP-00005505
`
`

`
`Changing a Functional Location Link
`
`The function Change object/ink allows you to change all the data of the object link selected. Note
`that any changes can have far-reaching effects if the link is being used actively.
`
`Selecting the Function
`
`To change a link between two functional locations, proceed as follows:
`
`1. Select Logistics --> Plant maintenance --> Technical objects.
`This brings you to the Technical Objects screen.
`
`2. Select FunctLocation --> Object link --> Change.
`This brings you to the screen Change Object Link: Initial Screen.
`3. Enter the number of the object link.
`Note
`If you do not know the number of the object link that you want to process, you can use the selection
`function described in the section ~’ect Links
`This brings you to the Change Object Link: Functional Locations screen.
`
`Selecting Administrative Information
`
`Administrative information is available on the object link master, showing you when it was created
`and by whom and when it was last changed and by whom. If you want to see this information
`before you make any changes, proceed as follows:
`
`1. Select Goto --> Administrative info in the Change Object Link: Functional Locations screen.
`A pop-up window appears containing the administrative information.
`2. Press Continue to close the pop-up window.
`
`Calling up Change Documents
`
`If you want to see exactly which changes have been made in the master record, you must call up
`the change documents in which the system automatically records the changes. To do this, proceed
`as follows:
`
`1. Select Environment --> Display changes in the Change Object Link: Functional Locations
`screen.
`This brings you to the screen Change Documents for Object Class VINET. This shows a list of
`the documents in which the changes are recorded.
`
`2. Call up the required documents by flagging them and then selecting Goto --> Display
`documents.
`3. Press Back to return to the Change Object Link: Functional Locations screen.
`
`Changing the Data
`
`Change any link data that is incorrect or make any necessary additions. Proceed as described in
`the topic Creatinq a Functional Location Link
`
`SAP-00005506
`
`

`
`Saving the Changes
`
`Save your changes with ObjLink --~ Save.
`
`SAP-00005507
`
`

`
`Displaying a Functional Location Link
`
`You can display all the data of an object link between two functional locations.
`
`Selecting the Function
`
`To display a link between two functional locations, proceed as follows:
`
`1. Select Logistics --> Plant maintenance --> Technical objects.
`This brings you to the screen Technical Objects.
`
`2. Select FunctLocation --> Object link --> Display.
`This brings you to the screen Display Object Link: Initial Screen.
`3. Enter the number of the object link.
`Note
`There is a selection function that you can use when you do not know the number of the object link
`that you want to process. The function is described in ~ect Links
`4. Press ENTER.
`This brings you to the Display Object Link: Functional Locations screen.
`
`Calling up Further Data
`
`You can call up the administrative information and the change documents as described in the topic
`a Functional Location Link
`
`SAP-00005508
`
`

`
`Deleting a Functional Location Link
`
`Overview
`
`The Delete function belongs to the Change object link function. You can delete a link between two
`functional locations immediately
`on-screen, in other words online, by using the Delete function.
`Note
`Before you delete the link between two functional locations, you should consider the effects it will
`have on the overall structure of the links in that particular area.
`
`Procedure
`
`To delete the link between two functional locations with immediate effect, proceed as follows:
`
`1. Select Logistics --> Plant maintenance --> Technical objects.
`This brings you to the Technical Objects screen.
`
`2. Select FunctLocation --> Object link --> Change.
`This brings you to the screen Change Object Link: Initial Screen.
`3. Enter the number of the object link.
`Note
`If you do not know the number of the object link that you want to process, you can use the selection
`function described in _S__e__[e_c_tj__ng__O_bj_e__c__t__LLnk_s_.
`4. Press ENTER.
`This brings you to the Change Object Link: Functional Locations screen.
`
`5. Select ObjLink --> Delete.
`A pop-up window appears requiring your confirmation.
`6. If you want to delete the link, select Yes.
`If you do not want to delete the object, select No, or cancel the function.
`
`SAP-00005509
`
`

`
`Linking Pieces of Equipment
`
`This section describes how to link pieces of equipment with one another, in other words how to
`create a link between pieces of equipment, and how to change, display and delete the link.
`The functions for processing links between pieces of equipment correspond to those for the
`processing of links between functional locations. However, they are described in detail in this
`section, as there are users who will only want to link the one or the other type of technical object.
`It contains the following topics:
`
`SAP-00005510
`
`

`
`Creating an Equipment Link
`
`Before you start to create links between pieces of equipment, you should be familiar with the overall
`structure of the area to which the pieces of equipment belong. Only then will you be able to create
`links that have been carefully thought out, thus avoiding the need for later, time-consuming
`changes that could have far-reaching effects.
`
`Selecting the Function
`
`To
`
`1.
`
`create a link between two pieces of equipment, proceed as follows:
`
`Select Logistics --> Plant maintenance --> Technical objects.
`This brings you to the Technical Objects screen.
`
`.
`
`2. Select Equipment --~ Object link -~ Create.
`This brings you to the screen Create Object Link: Initial Screen.
`If your company has specified external number assignment for object links, enter the number
`with which the link is to be managed, paying attention to any company-specific rules.
`If your company has specified internal number assignment for object links, do not enter a
`number. The system will assign a number automatically when you save the link, and a message
`will inform you of the number.
`4. Press ENTER. This brings you to the Create Object Link: Equipment screen.
`
`Entering the Link Data
`
`.
`
`Enter all the data that is to be saved for the new object link in the Create Object Link: Equipment
`screen:
`1. In the first block of the screen, enter a short text that describes the link. If the link belongs to an
`object network that you want to keep separate from another object network, enter the network
`number as well.
`In the second block of the screen, enter the two pieces of equipment between which the link
`exists. If the pieces of equipment are linked by an object that is also managed in the system as
`a piece of equipment, enter the number of the object as well.
`If you do not know the equipment numbers, use the online help available.
`Note
`Note that the entries in the fields Link frm equip, and Link to equip, only indicate that a link exists
`between the two pieces of equipment. The order in which you enter the pieces of equipment does
`not determine the direction in which the medium is transferred. This is determined when you enter
`the type of relation used in the third block of the screen.
`3. In the third block, enter the data that describes the link in greater detail, using the online
`documentation to guide you.
`
`Entering Multilingual Texts
`
`You can enter the short text of the link, and any long text that you may have entered, in other
`languages as well as the original.
`
`Entering Multilingual Short Texts
`
`To enter the short text in another language, proceed as follows:
`
`SAP-00005511
`
`

`
`1. Select Goto --> Texts in the Create Object Link: Equipment screen.
`This brings you to the Multilingual Texts: Maintain screen.
`2. Enter the short texts, using a line for each language, entering both the language key and the
`text in each case.
`3. Make a temporary note of short texts with Texts -~ Hold.
`This brings you back to the Create Object Link: Equipment screen.
`
`Entering Multilingual Long Texts
`
`To enter the long text in another language, proceed as follows:
`
`1. Select the menu options Goto --> Texts in the Create Object Link: Equipment screen.
`This brings you to the Multilingual Texts: Maintain screen.
`2. Place the cursor on the line of the language in which you want to enter a long text.
`
`3. Select Goto --> Long text.
`This brings you to the screen Change Object Link Long Text: <link number> Language
`<language key>.
`4. Enter the long text. The SAPscript functions are available for this.
`5. Return to the Multilingual Texts: Maintain screen with Text -~ Save and then Text -~ Exit.
`6. Make a temporary note of the texts with the Hold function.
`This brings you back to the Create Object Link: Equipment screen.
`
`Classifying the Link
`
`You can classify the links between pieces of equipment according to technical characteristics. To
`do this, you use the SAP Classification System. The classes will help you to find links in the system
`that are similar or the same.
`When your company uses the SAP Classification System for object links, classify the objects as
`follows:
`1. Select Goto --> Classification in the Create Object Link: Equipment screen.
`This brings you to the Create Object Link: Classification screen.
`2. Classify the link according to your company’s particular rules, using the online documentation to
`guide you.
`3. Return to the Create Object Link: Equipment screen with Back.
`You can find further information on classification in the MM Classification Guide.
`
`Entering Documents for the Link
`
`If the link between the pieces of equipment has any supporting documents that are managed in
`your company with the SAP Document Management System, you can enter the documents in the
`master record. To do this, proceed as follows:
`1. Select Goto --> Documents in the Create Object Link: Equipment screen.
`A pop-up window appears.
`2. Enter the documents that are used for the link, using the online documentation to guide you.
`
`SAP-00005512
`
`

`
`3. Press Continue to close the pop-up window.
`You can find further information on document management in the PP Document Management
`System
`
`Saving the Data
`
`When you have entered all the relevant data for the link between the two pieces of equipment, save
`the master record with ObjLink --> Save.
`The system informs you in a message that the new object link has been created, and displays the
`number under which the link was saved in the case of internal number assignment.
`
`SAP-00005513
`
`

`
`Changing an Equipment Link
`
`The function Change object link allows you to change all the data of the object link selected. Note
`that any changes can have far-reaching effects if the link is being used actively.
`
`Selecting the Function
`
`To change a link between two pieces of equipment, proceed as follows:
`
`1. Select Logistics --> Plant maintenance --> Technical objects.
`This brings you to the Technical Objects screen.
`
`2. Select Equipment -~ Object link --> Change.
`This brings you to the screen Change Object Link: Initial Screen.
`3. Enter the number of the object link.
`Note
`If you do not know the number of the object link that you want to process, you can use the selection
`function described in ~ect Links
`4. Press ENTER.
`This brings you to the Change Object Link: Equipment screen.
`
`Selecting Administrative Information
`
`Administrative information is available on the object link master, showing you when it was created
`and by whom and when it was last changed and by whom. If you want to see this information
`before you make any changes, proceed as follows:
`
`1. Select Goto --> Administrative info in the Change Object Link: Equipment screen.
`A pop-up window appears containing the administrative information.
`2. Press Continue to close the pop-up window.
`
`Calling up Change Documents
`
`If you want to see exactly which changes have been made in the master record, you must call up
`the change documents in which the system automatically records the changes. To do this, proceed
`as follows:
`1. Select Environment --> Display changes in the Change Object Link: Equipment screen.
`This brings you to the screen Change Documents for Object Class VINET. This shows a list of
`the documents in which the changes are recorded.
`
`2. Call up the required documents by flagging them and then selecting Goto --> Display
`documents.
`3. Press Back to return to the Change Object Link: Equipment screen.
`
`Changing the Data
`
`Change any link data that is incorrect or make any necessary additions. Proceed as described in
`the topic _Cre_atLn __a__n__E____ uj. ment Link
`
`SAP-00005514
`
`

`
`Saving the Changes
`
`Save your changes with ObjLink --~ Save.
`
`SAP-00005515
`
`

`
`Displaying an Equipment Link
`
`You can display all the data of an object link between two pieces of equipment.
`
`Selecting the Function
`
`To display a link between two pieces of equipment, proceed as follows:
`
`1. Select Logistics --> Plant maintenance --> Technical objects.
`This brings you to the screen Technical Objects.
`
`2. Select Equipment -~ Object link --> Display.
`This brings you to the screen Display Object Link: Initial Screen.
`3. Enter the number of the object link.
`Note
`There is a selection function that you can use when you do not know the number of the object link
`that you want to process. The function is described in ~ect Links
`4. Press ENTER.
`This brings you to the Display Object Link: Equipment screen.
`
`Calling up Further Data
`
`You can call up the administrative information and the change documents as described in the topic
`__C___h___a___n_ _Ln_ ___a___n____E___ uJ____m___e___n__t___L_Ln__k
`
`SAP-00005516
`
`

`
`Deleting an Equipment Link
`
`Overview
`
`The Delete function belongs to the Change object link function. You can delete a link between two
`pieces of equipment immediately on-screen, in other words online, by using the Delete function.
`Note
`Before you delete the link between two pieces of equipment, you should consider the effects it will
`have on the overall structure of the links in that particular area.
`
`Procedure
`
`To delete the link between two pieces of equipment with immediate effect, proceed as follows:
`
`1. Select Logistics --> Plant maintenance --> Technical objects.
`This brings you to the Technical Objects screen.
`
`2. Select Equipment --~ Object link --> Change.
`This brings you to the screen Change Object Link: Initial Screen.
`3. Enter the number of the object link.
`Note
`If you do not know the number of the object link that you want to process, you can use the selection
`function described in _S__e__[e_c_tj__ng__O_bj_e__c__t__LLnk_s_.
`4. Press ENTER.
`This brings you to the Change Object Link: Equipment screen.
`
`5. Select ObjLink --> Delete.
`A pop-up window appears requiring your confirmation.
`6. If you want to delete the link, select Yes.
`If you do not want to delete the object, select No, or cancel the function.
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`Selecting Object Links
`
`This section describes how to use the function for selecting object links. The Procedure topic
`explains the general method for selecting one or more object links for change or display using this
`function. The List Processing Functions topic describes the special functions that allow you to
`process the selection lists even more effectively.
`
`Reasons for Having a Selection Function
`
`The selection function for object links is supported for the following reasons:
`¯ You might want to change or display a particular object link and you do not know the number.
`¯ You might want to change or display several object links that share particular features.
`
`What the Selection Function Does
`
`There is a special function in the PM System allowing you to enter the various basic criteria that the
`system is to use when searching through all the object links. This then gives you a list of several
`object links based on the search criteria from which you can select one or more links for change or
`display.
`This section contains the following topics:
`
`Li.st .P.r..o..¢.e.s.s.ing.E.u nc.t ~o.ns
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`Procedure
`
`Calling up the Selection Function for Functional Location Links
`
`To select one or more functional location links for change or display, proceed as follows:
`
`1. Select Logistics --> Plant maintenance --> Technical objects in the initial screen.
`This brings you to the Technical Objects screen.
`
`2. Select FunctLocation --> Object network.
`If you want to change the selected object links, select Change.
`If you just want to display the selected object links, select Display.
`This brings you to the screen <Processing mode> Object Network: FunctLoc, Link Selection.
`
`Calling up the Selection Function for Equipment Links
`
`To select one or more equipment links for change or display, proceed as follows:
`
`1. Select Logistics --> Plant maintenance --> Technical objects in the initial screen.
`This brings you to the Technical Objects screen.
`
`2. Select Equipment --> Object network.
`If you want to change the selected object links, select Change.
`If you just want to display the selected object links, select Display.
`This brings you to the screen <Processing mode> Object Network: Equipment Link Selection.
`
`Entering Search Criteria
`
`Enter in the fields available the criteria according to which the system is to search for the object
`links.
`You can enter as many criteria as you want. The more you enter, the more precise the search will
`be and the shorter the list created.
`
`Using the Selection Options
`
`You can use the selection options, in other words the operators and an inclusion/exclusion criterion,
`to specify whether the system is to search for individual values or particular areas that are in some
`way separate from each other, and whether the specified criteria are to appear in the list.
`To do this, proceed as follows:
`1. Place the cursor on the line containing the search criterion.
`
`2. Call up the pop-up window for maintaining the selection options with Edit --> Options.
`3. Flag the necessary options.
`4. Close the pop-up window with Continue.
`
`Entering Value Sets
`
`If you want to enter several values for a criterion that do not belong to a single particular area,
`proceed as follows:
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`1. Place the cursor on one of the criterion’s fields.
`2. Select the More... button at the end of the line.
`This brings you to a screen in which you can extend the selection with regard to that particular
`criterion. For example, you mig