Omron NT - SUPPORT TOOL FOR WINDOWS V4, Руководство по эксплуатации

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5-5 Section Extended Screen
97
While running PT, by writing window screen number or x, y co-ordinate of window
position (bottom left) at Window Control Area from the host, opening/closing,
moving a window are possible.
Window Control Area can control global window and local window. For details,
refer to the operation manual of PT.
Screen
Window
The selected
window opens PLC
Window
screen number
Window
Window
The window shifts
PLC
The co-ordinates
of the window
Size and display position of window (the NT21 and the NT31, NT31C, NT631, NT631C “-V1” and above)
With the NT21 and the NT31, NT31C, NT631, and NT631C “-V1” and above, size
of window can be specified freely by 20 dot unit. (Minimum window size: 20
×
20)
It is possible to display a window at a different position from where it was created,
or to move a window.
However, the distance between the position where window was created and
where it is displayed have to be always multiple of 20 dot.
Display
Co-ordinates at the bottom
left corner (20,179)
Window
Display
Co-ordinates at the bottom
left corner (180,219)
Window
Reference: Specify the bottom left co-ordinate of window when specifying the window posi-
tion at Window Control Area.
Checking the display status of a window
Whether window is opened or closed will be written to the PT Status of the PT
Notify Area.
Window screen number and window position (bottom left co-ordinate) of current-
ly displayed screen will be written to Window Control Area.
Checking these areas from the host enables to know the display status of win-
dow. For details, refer to the operation manual of PT.
5-5 Extended Screen
An extended screen is used by the expansion function of a PT.
Although an extended screen can be used in the same manner as a standard
screen, it should not be used unless absolutely necessary since it is used by the
expansion function.