Omron NT21 User Manual

Appendix BCompatibility with Screen Data of Other PT Models
438
Item NT21NT20S
Initial
screen
Host connect screen System initializing screen
System
keypad
Possible Not possible
Use touch switches instead.
Also, symbol manager can be used at the Support Tool.
Image/li-
brary data
None Image data: 0001 to 0FFFH
Library data: 1000 to 3FFFH
Windows None
 Up to 3 screens can be displayed (1 global window, 2 local
windows)
 Display elements that can be registered on a window
All the display elements other than thumbwheel type numeral input
and recipe objects (However, only 1 numeral/character string input
(temporary input field) can be displayed.)
 Window screen size, 20-dot units
Display
items
treated as
string
character
Half-size/standard-size characters, marks, image/library data. Half-size/standard-size characters, marks
Control
codes in
character
strings
00 to 20H: Space 00H, 0AH: Cut out subsequent display
01 to 09
H, 0B to 20H: Space
Numeral
display,
character
string dis-
play attrib-
utes
Normal, reverse, flashing, reverse and flashing, transparent display Standard, flash, inverse flash
Bit
memory
table set-
ting
None Setting of recording in an alarm history and screen switching are
possible.
Memory
table copy
Numeral/character string type:
Set at word n+2 (copy type) of the PT status control area
(0: character string memory table, 1: numeral memory table)
Copy timing:
When the value of the n + 1 word or the n + 2 word in the PT
status control area changes.
Numeral/character string type:
Set at word n+2 (memory table copy type) of the PT status
control area (0: character string memory table, 1: numeral
memory table)
Copy timing:
Copying is executed when the word n+3 bit3 (Memory table copy
execution) of the PT status control area changes to 1.
Interlock
function
Not available The interlock function can be set for individual touch switches,
numeral inputs, thumbwheel inputs, character string inputs and recipe
objects to enable/disable operation according to the status of the
interlock bit allocated in the host.
Labels
(Guide
charac-
ters)
Fixed character strings only (1 line only) Four kinds of character strings are available:
Fixed character strings (Multiple lines are possible.)
ON/OFF switching character strings (Multiple lines are possible.)
Numeral displays (Displays numeral memory table entries.)
Character string displays (Displays character string memory table
entries.)
Touch
switches
lamp with
free-shape
display
frames
Only the graphic part is displayed in reverse video.
Label
Example:
Label
Only the graphic part is displayed in reverse video; projecting parts
are not displayed.
Example:

Omron NT21 Specifications

General

Brand	Omron
Model	NT21
Category	Touch terminals
Language	English