9
Functions of NT20S
Section 1-2
1-2-5 Displays
The NT20S can display various kinds of elements such as characters, lamps,
touch switches, and bar graphs on a screen. The screen data displayed on the
NT20S are created by using support tools on a computer.
Line 1 Status
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stop
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Machine name : NT20M-DT131
Production qty. : 137 units
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30%
Stage 1 Stage 2
Stage 3
Lamps
Numeric value
(Numeral table)
Touch switches
Characters (text)
Characters
(character string)
Bar graph
Characters (text) Characters and marks which do not need to be changed can be written directly to
the screen.
Characters (character-string memory table)
Character-strings stored in the character-string memory table are displayed. The
display characters can be changed by changing the data stored in the character-
string memory table.
Numeric Values (numeral tables)
Numbers stored in the numeral table are displayed. The display numbers can be
changed by changing the data stored in the numeral table. Hexadecimal values
can also be displayed.
Lamps Lamps are displayed as square or round frames and indicate the operating status.
They are controlled by the Host and can be lit (reversed) or made flash (alternates
normal with reversed displays).
Touch Switches Touch switches can be set anywhere on the screen. Touching the screen at a touch
switch location can switch the display (display switch function) or notify the Host
(notification function). The touch switches can be lit or made flash by controlling
from the Host in the same way as the lamps.
Numeric Keys These are the touch switches used to input numeric values.
Bar Graphs The bar graph extends and contracts in proportion to the data stored in the numer-
al table. A percentage value can also be displayed simultaneously.
Marks Marks can be designed, created, and handled like characters by the user.
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