Lenze DDS v2.3 - Manual (Page 239)

Drive PLC Developer Studio
Visualization
9-5
l
DDS EN 2.3
9.2 Editing visualization elements
9.2.1 Information in the status bar
The status bar contains the following information for visualization:
X / Y position
The current X and Y position of the mouse pointer is displayed in pixels relative to the top left-hand
corner of the image.
Element number
If the mouse pointer is positioned over an element or if an element is edited, the number of the
element will be displayed.
Insertion mode
If the insertion mode is active, the name of the element to be inserted will be displayed.
9.2.2 Expressions
The following inputs are possible if PLC variables are effective in the configuration of a visualization
object.
•
Variable name with Help Manager
•
Composite expressions consisting of
– component accesses (e. g. STRUCT)
– field accesses ( ARRAYaccess) with constant index
– variables and direct addresses
•
Operators and addresses that can be combined with the named expressions.
Examples of permissible expressions
x+y
100*PLC_PRG.a
TRUE
NOT PLC_PRG.b
q*sin(x+100)+cos(y+100)
The following inputs are not possible.
•
Function calls
Impermissible expressions lead to an error message during log-in
(incorrect Watch expression)
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