2 Visual Components Manuals

Height
The set size and position of the field must allow it to fit in the picture.
Determines the touch field height in pixels.
Possible Settings From 1 to the display height.
The set size and position of the field must allow it to fit in the picture.
Offset
Determines the location of the touch−operated field in the key matrix. This setting is only required if the touch
field should be queried using the key matrix. No setting is required here for the actions which can be configured
for the touch field directly in the Visual Components editor.
Key Matrix
Offset
Effective
Index
This option defines whether a user defined offset should be defined in the key matrix for this
element.
If this option is selected, the button offset must be defined in the input field. If applicable, the offset
counts starting with the existing keys of the operator panel which is used.
Example:
Panel with 24 keys
Offset set to 17
The touch field is located at Index [41] of the key matrix.
Possible Settings 0 to 255 minus the number of existing keys on the panel.
(The resulting index may result in 255 at the most)
Displays the resulting index in the key matrix for informational purposes. This information is only
shown if Key Matrix Offset is selected.
Status
Contains various settings for formatting the field on the screen.
Source
Assign...
For the general operation of dialog boxes.
OK
Cancel
Used to input or display the connected variable.
Possible Settings Name of a UINT process variable
Possible Values Bit 0 If 1, the touch button is invisible.
Bit 1 If 1, no operation of the touch field is permitted. (locked)
All other bits are reserved.
The Assign... button opens a dialog box to select a variable for the Source field. By
default, only variables of suitable types are displayed.
Buttons
Applies settings and closes the dialog box. If settings cannot be applied because of an error, it is
indicated and the dialog box is not closed.
Note:
All changes are applied, including those made under different (hidden) tabs.
Closes the dialog box and discards any changes made.
Warning:
All changes will be discarded, including those made under different (hidden) tabs.
Help Displays help for this tab.
Introduction to Visual Components 2.3
112 3.2.4.1 Button Touch−Operated Field − Reference