Siemens SINUMERIK 840D sl Operating Manual page 208

Create MyConfig - Expert
4.4 Project folder
The following rules must be observed when linking steps:
● In a main project (MP), several links from the same or different subprojects (SP) can be
carried out.
Note
Linking depth with main projects and subprojects
The step trees linked from subprojects must not contain any links to another subproject
(linking depth = 1).
● Subprojects are separate projects and can run separately even when linked to a main
project.
● The steps are linked by the configuration. When the project is deployed, the configured
links are dissolved and the linked steps of the subproject (SP) are inserted into the main
project (MP).
● The linked steps retain their step ID from the subproject, in which a namespace is added
in the main project for each link, in order to ensure unambiguous identification.
The ID namespace is automatically assigned during configuration. This also prevents an
ID namespace from being assigned twice.
The ID namespace can be changed by the user.
● A defined namespace in a main project only applies for precisely one link step (blue) with
the steps located below it (gray). Thus, the step ID does not have to be changed in the
main project or subproject.
● Identical step IDs in the main project and subproject are also possible and permitted.
● Existing queries of the step ID (Step configuration) do not have to be adapted in the main
project and subproject.
● The linked steps can be recognized in the logbook by a step ID with namespace.
● Steps with namespace before the step ID cannot be linked and cannot contain any linked
steps as substeps.
● The execution of the dialogs (in the project folder) is performed exclusively in the main
project (MP) also for the steps inserted in the "Steps" tab.
Only the step tree is linked or taken over from the subproject(s).
● The system variables used in the linked steps of the subproject (SP) always refer to the
main project (MP).
Note
Exceptions are:
● Up.$Step[ID]
● Up.$Dialog.StepSelection.CurrentID (see also System variables for the Step tree >
The system variables can be applied for the main project and subproject.
● The Up script variables are globally applicable in the main project and subproject.
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Current ID dialog (Page 294))
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Operating Manual, 11/2016, A5E36537479B-AD