Section 4 Engineering Interface Layers and Interaction Windows
3BSE042835-600 47
Layers and Interaction Windows
Control modules in layer 2
When a control module contains other modules, so called sub modules, it is
recommended that they are placed in layer 2. Zooming in on the module will reveal
the sub-modules, which gives a good overview and also fast access to the modules.
There are mainly three categories of sub-modules which are placed in layer two:
1. Interaction windows - used for operator int
eraction with the object. In this way
the user gets fast access and overview of the windows belonging to the object.
2. Internal code structure - some internal control
modules may be related to the
connections of a module. By placing the control module close to its
corresponding connection the user/developer gets a fast access to the correct
module.
3. Applications - used for structuring application
and/or reuse of application
solutions. This gives a good overview of any applications residing inside the
object, for example a control loop or a section of a process.
It is recommended that control modules representing interaction windows are
visible in layer 2 of a control module. To make them visible, either create them in
the CMD or set the property Visibility in Graphics to Visible on the object in the
project explorer structure.
Figure 6. Visible dialog
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