Technical information
4/6
Software
Unity Pro software
Small/Large/Extra Large
Data editor
The data editor provides a single tool for performing the following editing tasks:
b Declaration of data including variables and function blocks (declaration of their
type, instances and attributes).
b Use and archiving of function block data types in different libraries.
b Hierarchical view of data structures.
b Searching, sorting and ltering of data.
b Creation of a hyperlink to access a description from any variable comment.
The data is displayed in four tabs:
b “Variables” tab for the creation and management of the following data instances:
Bits, words, double words, inputs/outputs, tables and structures.
b “DDT Types” tab for the creation of derived data types (tables and structures).
b “Function Blocks” tab for the declaration of EFBs and DFBs.
b “DFB Types” tab for the creation of DFB user function block data types.
Each data element has several attributes, of which:
b The variable name and type are mandatory.
b The comment, physical address in the memory and initial values are optional.
The data editor columns can be congured (number of columns, order). The
attributes associated with a variable can be displayed in a properties window.
This editor can be accessed at any time during programming by selecting variables
for data modication or creation.
Functions (continued)
Selection guide:
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Data editor
Data properties
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