Omron NT21 User Manual

429
Appendix A
Specifications
Display Capacity
Item Specification
Character displays
(fixed display)
Fixed character data (character strings registered for each screen)
Maximum combined total with other fixed display elements of 65535 per screen
(maximum of 524280 for an overlapping screen)
Character string
displays
Up to 256 per screen (1024 for an overlapping screen) (40 bytes per string)
Numeral displays Up to 256 per screen (1024 for an overlapping screen), max. 10-digit display
Bar graph displays Up to 50 per screen (400 for an overlapping screen
*1
), percentage display and sign
display are possible
Mark displays (fixed
display)
Up to 65535 per screen (52480 for an overlapping screen
*1
)
Analog meter Up to 50 per screen (400 for an overlapping screen
*1
), percentage display and sign
display are possible.
n
ts
Trend graphs One frame per screen (max. of 8 frames on an overlapping screen)
Without the data logging function: 50 graphs per screen data file
With the data logging function: 8 graphs per screen data file
a
y elemen
t
Broken-line graphs One frame per screen (max. of 8 frames on an overlapping screen), 256 graphs per
frame, 260 point per graph (NT21), 320 points per graph (NT31/NT31C), or 512 points
per graph (NT631/NT631C)
Displa
y
nts
Graphic displays (fixed
display)
Can be displayed wherever required
Maximum combined total with other fixed display elements of 65535 per screen
(maximum of 524280 for an overlapping screen)
e
me
n
Lamps Up to 256 per screen (1024 for an overlapping screen)
y
ele
m
Touch switches Up to 256 per screen (same restriction applies to overlapping screens)
play
Image data Combined total, with library data, of 256 per screen (1024 for an overlapping screen)
n
ts Dis
p
Library data Combined total, with image data, of 256 per screen (same restriction applies to
overlapping screens)
Display elemen
t
Numeral
inputs
Numeric
key type
NT21: Combined total, with
thumbwheel switches, of
256 per screen
(Can only be registered on
one child screen of an
overlapping screen)
NT31/NT31C: Combined
total, with thumbwheel
switches, of 256 per screen
(Can only be registered on
one child screen of an
overlapping screen)
NT631/NT631C: Up to 256
per screen including both
numeric key type and
thumbwheel type inputs.
(Can only be registered on
one child screen of an
li )
Thumb-
wheel type
NT21: Up to 26 per screen
(Can only be registered on
one child screen of an
overlapping screen)
NT31/NT31C: Up to 64 per
screen
(Can only be registered on
one child screen of an
overlapping screen)
overlapping screen)
Character string inputs Up to 256 per screen
(Can only be registered on one child screen of an overlapping screen)
Alarm lists Up to 4 groups per screen (32 groups for an overlapping screen)
(F l hi t i 1 h i d d f d l
Alarm histories
(For alarm histories, 1 group each in occurrence order and frequency order on normal
screens/child screens)
*2
Recipe Normal screen: 1 max.; Multiple screens: 8 max.; Window screens: Not possible
Clock display NT31/NT31C, NT631/NT631C: Time display of the built-in clock using the numeral
display function
NT21: Display of time read from host using the numeral display function

Omron NT21 Specifications

General

Brand	Omron
Model	NT21
Category	Touch terminals
Language	English