3-1SectionScreen Creation Procedure
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Creating and Correcting a Screen
After designating a screen, set the screen properties and
register elements for the screen or correct the screen. If
necessary, create marks, image data, and library data,
and set the initial values of memory table entries.
For details of screens and elements, refer to Section 2
PT Functions.
Saving a File
Save the created screen data to a file.
Transmitting the Screen Data
Transmit the created screen data to the PT. After
setting the PT in the Transmit mode, execute the
screen data transmission operation with the Support
Tool.
NT31/NT31C Support Tool
Setting the Clock Data Area (NT21 only)
Set the address of the first word to allocate as the Clock
Data Area in the host so that the clock data can be read
from the host.
Reference:  It is not necessary to allocate words to the window control area if windows are
not used or when the windows are not controlled from the host.
 It is not necessary to allocate words for the clock data area if the clock data is
not displayed and the screen display history or alarm history is not used.