2-1
Section
PT Screens
40
The setting for the Buzzer Sound memory switch at the PT takes priority in deter-
mining whether or not the buzzer actually sounds. When this memory switch is
set to ON. the buzzer set with a screen attribute can sound.
Reference:
S
The buzzer can also sound by PT status control bit operation (page 280).
S
The following methods can be used to stop the buzzer when it is sounding.
•
Switching to a screen whose buzzer attribute is None
•
Stopping the buzzer by PT status control bit operation (page 282)
•
Registering the buzzer stop touch switch on the screen (page 283)
Background Color (NT31C and NT631C Only)
With the NT31C and NT631C, the background color of the entire screen can be
set for each screen. The following 8 background colors can be set.
Black, blue, red, magenta, green, cyan, yellow, white
Screen Comment
A comment indicating the contents of the screen can be set as any required
character string of up to 24 characters.
History
When a screen for which this attribute is set is displayed, the screen number,
display time, number of times displayed, and history title of the displayed screen
are recorded as display history data.
Setting
Function
Checked
When the screen is displayed, its data is recorded in the display histo-
ry.
Not
checked
When the screen is displayed, its data is not recorded in the display
history. (Default)
Reference:
The display history can be checked in the Maintenance mode of the PT, and can
also be read during operation by displaying screen number 9001 (occurrence or-
der) or screen number 9002 (frequency order). It is also possible to transmit the
display history record data to the personal computer by operation at the Support
Tool. For details, refer to the
NT-series Support Tool Version 4.0 for Windows Op-
eration Manual.
History Title
This attribute sets a character string to be recorded in the display history along
with the display time and other information when a screen for which the history
attribute is set is displayed.
The history title can be set as any required character string of up to 24 charac-
ters.
This setting is only valid for screens for which the history attribute is set. When a
screen for which the history title attribute is set is displayed by the PT, the desig-
nated character string is recorded together with the screen number in the display
history.
Load Local1, Load Local2
Specify whether or not a window (Local1, Local2) pops up at the same time the
screen is displayed by screen switching. Set the window screen number to be
displayed when you check these attribute.
For details of a window, refer to
2-15 W
indow Function (page 228), and for de-
tails of using method of a window, refer to
3-4 Display and Control of Windows
(page 298)
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Summary of Contents for NT21 Series
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