Specifications

Graphic Operation Terminal GOT-F900 Creation of Display Screens 6
6-21
2) Setting in GT Designer
In overlay, use word devices for "Change Screen".
Set the base screen number and the overlaying screen (= overlap window) numbers in
accordance with the contents of the word devices set in "Change Screen".
Setting of word devices for screen changeover
Base screen:Word device (The initial value is set to D0.)
Overlap window 1:Word device (The initial value is not set.)
Overlap window 2:Word device (The initial value is not set.)
The base screen, the overlap window 1 and the overlap window 2 can be specified using
arbitrary word devices. (The word devices may not be consecutive.)
When overlay is not performed, enter "-1" to the specified devices or perform setting so that
overlap windows are not used.
The screen numbers currently displayed can be checked using "Write Device" in "System
Information" in the screen creation software. (Refer to Section 8.7.)
Write devices: Head word device
"Head + 1" word device
"Head + 2" word device
The specified screens are overlaid as shown below.
Base
screen
Overlap
window 1
Overlap
window 2
Screen No. -1 -1 Base screen
Screen No. Screen No. -1 Base screen + Overlap window 1
Screen No. -1 Screen No. Base screen + Overlap window 2
Screen No. Screen No. Screen No. Base screen + Overlap window 1 + Overlap window 2