Omron NT20, User Manual

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7
Functions of NT20 Section 1-2
1-2-4 Displays
The NT20 can display various kinds of elements such as characters, lamps,
touch switches, and bar graphs on a screen. The screen data displayed on the
NT20 are created by using the Support Tool on a computer.
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 Table)
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
numeral table. A percentage value can also be displayed simultaneously.
Marks Marks can be designed, created, and handled like characters by the user.
Line 1 Status
Restart
Machine name : NT20
Production qty. : 137 units
0% 50% 100%
30%
Stage 1 Stage 2
Stage 3
Lamps
Touch switches
Characters (text)
Bar graph
Emergency
stop Characters
(character string)
Numeric value
(Numeral table)