TYCO V23401-T2001-B222 V23401-T2001-B222 V23401-T2001-B222 V23401-T2001-B222

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V23401-T2001-B222 

V23401-H1009-B102
V23401-T2001-B214

V23401-H2001-B214

V23401-T2001-B222 

V23401-H2001-B222
V23401-T2001-B201

V23401-H2001-B201

V23401-T2001-B202 

V23401-H2001-B202
V23401-T2009-B214

V23401-H2009-B214

V23401-T2009-B222 

V23401-H2009-B222
V23401-T2009-B201

V23401-H2009-B201

V23401-T2009-B202 

V23401-H2009-B202
V23401-T2010-B214

V23401-H2010-B214

V23401-T2010-B222 

V23401-H2010-B222
V23401-T2010-B201

V23401-H2010-B201

V23401-T2010-B202 

V23401-H2010-B202
V23401-T2014-B214

V23401-H2014-B214

V23401-T2014-B222 

V23401-H2014-B222
V23401-T2014-B201

V23401-H2014-B202

V23401-T2014-B202 

V23401-T2015-B214

V23401-T2009-B202

V23401-T2002-B209

V23401-T2014-B209

V23401-T2014-E209

V23401-T2099-C502

V23401-H1005-D101

V23401-T1002-B122

During various phases, for example commissioning, operation, or maintenance, you will normally find it necessary to make changes to an existing project. These changes can then be adopted in the activated project; in other words, online. You can download changes online in the following situations: ● Continuous automation tasks: All modifications are made online from a central configuration station. As a result, you do not need to make a configuration changes directly on site. It is also possible to add, modify, and delete Runtime objects, for example tags, alarms, and archives without deactivating WinCC. ● Testing modifications in a protected environment: The configuring station can be used to run intended modifications offline before they are loaded in the activated project. The configuration planner can, therefore, test the modifications in a protected environment before adopting them in active operation. This allows configuration errors to be detected before they can cause problems in the process or stop the plant. ● Simultaneous loading of modifications which influence each other: Configuration changes often relate to settings which are linked to each other. Such modifications should be downloaded consistently and take effect at the same time. This case occurs, for example, when a calculated value of an archive representation is added. In may be necessary to create new tags and add them to a new archive. Finally, the archive will be displayed in a picture. In the situation, if the information is not adopted as a unit, this will lead to error messages.

If Load Online Changes is to be used in redundant systems, STEP7 or PCS7 is required. More information is available in the chapter" Advantages and requirements of integration".

A project runs on the operator station during Runtime. Load Online Changes is automatically activated. The menus for Load Online Changes cannot be operated in WinCC Explorer. You edit a copy of the project on a second computer, the configuration station. Activate the load online changes function in the WinCC Explorer on the configuration station. From this point onwards, WinCC records all changes made in the project. Online configurations on the configuration station are not, however, recorded.

When you have completed your modifications in the project, start the online download of the changes. This exports the modified data to the operator station. The project is updated in Runtime. I the case of multi-user systems, WinCC generates packages after each download. Depending on the settings selected, the packages can be automatically imported by the clients.

Make sure that you use the function for downloading changes online only with consistent projects: ● Before activating the Load Online Changes function, the projects on the configuring station and on the operator station must be synchronized to the same project state. ● The project on the engineering station must be tested and run correctly when Load Online Changes is started. ● You can only configure changes that can be recorded by the Load Online Changes function. If the download changes online function cannot record a configuration, a warning is displayed. If you configure the change despite this warning, the Load Online Changes function is reset. The changes can no longer be transferred. If you edit an inconsistent project, you take the risk that the activated project will no longer run correctly following the download. You can then only correct errors in Runtime in the deactivated status.

If you edit a WinCC project which was created using the SIMATIC Manager, there will be no menu item "Load Online Changes" in WinCC Explorer. This also applies to WinCC projects created in WinCC and subsequently imported into SIMATIC Manager by using the function "Importing WinCC objects". This type of project is also called a TIA project. If you copy a TIA project with WinCC Explorer and subsequently edit the copy, menu item Load Online Changes in WinCC Explorer is displayed.

Synchronize the project on the computers participating so they have the same data before activating Load Online Changes. You can do this by copying the current version of your project from the operator station to the configuring station using the Project Duplicator. If the project is edited on the configuring station, observe the following: ● The project must not be modified on the operator station. ● The project must not be edited either on the configuring station or on the operator station from another computer. ● The configuration on the operator station must also not be modified by scripts. ● In the case of a client/server system, the Notify after Export check box must be deactivated in the Implicit Update menu on the configuring station in WinCC Explorer/Serverdata.