423
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
)
Analogue meter
Up to 50 per screen (400 for an overlapping screen *1), percentage display and
sign display are possible.
e
ments
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
splay ele
m
Broken line graphs
One frame per screen (max. of 8 frames on an overlapping screen), 256 graphs
per frame, 320 points per graph (NT31/NT31C) or 512 points per graph
(NT631/NT631C)
Di
s
e
ments
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)
y
ele
Lamps
Up to 256 per screen (1024 for an overlapping screen)
s
play
Touch switches
Up to 256 per screen (same restriction applies to overlapping screens)
n
ts
Disp
Image data
Combined total, with library data, of 256 per screen (1024 for an overlapping
screen)
e
lemen
Library data
Combined total, with image data, of 256 per screen (same restriction applies to
overlapping screens)
Display e
Numeral
inputs
Numeric key type
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
f
l
i
)
Thumbwheel type
NT31/NT31C: Up to 64 per screen
(Can only be registered on one child
screen of an overlapping screen)
(
y
g
screen of an 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
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
Time display of the built-in clock using the numeral display function
e
s
Normal screen
The normal screen display
type
s
Overlapping screens
A maximum of 8 registered screens can be displayed overlapped with each other.
c
reen t
y
Window screens
Up to 3 screens (2 local windows and 1 global window) can be displayed at the
same time. All objects other thumbwheel type numeric input can be registered.
Sc
r
Display history screens
Order of occurrence (max. 1024 screens), order of frequency (max. 255 times)
Screen attributes
Buzzer, display history, background color (NT31C and NT631C only), backlight,
keyboard screen number (local window 1/local window 2)
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Summary of Contents for NT21 Series
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