Rockwell-automation GMLC Reference Manual Manual de usuario Pagina 172

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Publication GMLC-5.2 - November 1999
Chapter
5
Working with Blocks
To create a program or diagram in GML Commander, you place blocks
representing program functions between the following two blocks:
These two blocks are always present in the diagram and cannot be
deleted. You add blocks to the Diagram to Window to represent the
actions that are to be performed. You then connect the blocks to show the
flow of program functions. You can move the blocks around and change
their connections, which changes program flow. You can simplify
complex diagrams by grouping (encapsulating) several blocks together,
then giving the module a name that describes the groups function.
To make working with blocks easier, we recommend that you:
Make your block connections flow from left to right and from top to
bottom.
Limit the number of blocks in the workspace to ten or fewer.
Try to keep your diagram on one screen so that you don’t need to
scroll to see parts of it.
This chapter deals with the general information about blocks and the
mechanics of placing blocks within the Diagram Window. For further
information on specific blocks see one of the appropriate block chapters.
Selecting and Positioning Blocks
You can open and close palettes containing blocks that are dedicated to
perform specific GML Commander functions exactly as you would open
and close Window toolbars.
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