Programmable Terminal
NT Series
CSM_NT_series_DS_E_2_5
Better Compatibility and
Easier-to-use Support Software
• Device monitoring and I/O comment loading functions
facilitate system construction.
• Greatly enhanced NT Support Software with reusable
screen data and powerful simulation on editing screens.
• Transfer the system program and screen data to ensure
smooth on-site system maintenance and improve the
efficiency of onsite work.
• Wide Range of Communications Interfaces.
NT31/C
NT20
NT631C
Lineup
Model
Display
Effective display area
Number of dots (resolution)
Max. number of touch switches
External interface
Applicable standards
1-to-1 NT Link
1-to-N NT Link
High-speed NT
Link
Host Link
NT631C-ST153(B)-EV3
TFT color display
211 × 158 mm
640 × 480 dots
32 × 24 switches
Note:
NT31 and NT31C in this catalog have been discontinued at
the end of March 2014.
NT20 in this catalog have been discontinued at the end of
September 2015.
NT31C-ST143(B)-EV3
STN color display
118 × 89 mm
320 × 240 dots
16 × 12 switches
NT31-ST123(B)-EV3
STN monochrome display
NT20-ST121(B)
STN monochrome display
111.5 × 57.6 mm
256 × 128 dots
12 × 6 switches
2 RS-232C ports
RS-232C, RS-422A, RS-485, and printer port
cULus standards, EC Directives, and C-Tick
C200HX(-Z), C200HG(-Z), C200HE(-Z), C200HS-CPU2
@
, and C200HS-CPU3
@
CQM1-CPU4
@
, CPM1A, CPM2A/C, SRM1, CVM1/CV Series (EV1 or EV2), and C200HX/HG/HE Communications Boards
CJ1
@
, CS1H, CS1G, C200HX(-Z), C200HG(-Z), C200HE(-Z), and SRM1-EV2
CS1 Communications Unit and CQM1H Communications Board
CJ1
@
, CS1H and CS1G
CJ1
@
(-H), CS1
@
(-H), C200HX(-Z), C200HG(-Z), C200HE(-Z), C200HS-CPU2
@
, C200HS-CPU3
@
and CS1
Communications Units
CQM1-CPU4
@
, CQM1-CPU2
@
, CPM1A, CPM2A, CPM1C, SRM1, CVM1, CVseries (EV1 or EV2), C-series/CV-series/
CVM1 Host Link Unit
Personal Computer, SBC, and Programmable Controller
MELSEC FX1, FX2, FX2C, FXO, and FXON
AOJ2-C214S1, A1SJ71UC24-R2,
A1SJ71UC24-R4, and AJ71UC24
SLC 5/02, 03, 04, and 05 (See note 3.)
90-20 and 90-30 Series (See note 3.)
S7-300 and S7-400 Series (See note 3.)
−
−
−
Personal computer, SBC, or
PLC (RS-232C)
(See note 5.)
Connectable
hosts
(See note 1.)
From
Mitsubishi
Language
From OMRON
(See note 2.)
Memory Link
Mitsubishi FX
Series
Mitsubishi A-
Series
(Computer Link
Unit)
Allen Bradley (DE1)
GE-Fanuc (SNP-X)
Siemens (Via HMI
Adapter)
Japanese
English
Simplified Chinese
(See notes 4, 5, and 6.)
(See note 4.)
Traditional Chinese
−
Note: 1.
Including models whose production were discontinued.
2.
There are some limitations on hosts that can be connected. Refer to the PT manual for details. C200H direct connections can be used
with the NT20-ST121 (using the NT20-IF001).
3.
The English version of the NT Support Tool must be used.
4.
Simplified Chinese is mostly used in mainland China and uses simplified characters. Traditional Chinese is mostly used in Hong Kong
and Taiwan and uses traditional characters.
5.
Purchase the NT20-ST121(B)-EC to display simplified Chinese on the NT20.
6.
A separate system program must be installed in the NT20 to use RS-232C memory links with the NT20. Simplified Chinese is not
supported.
1
NT Series
Ordering Information
International Standards
•
The standards are abbreviated as follows: U: UL, U1: UL (Class I Division 2 Products for Hazardous Locations),
C: CSA, UC: cULus, UC1: cULus (Class I Division 2 Products for Hazardous Locations), CU: cUL, N: NK, L: Lloyd, and CE: EC Directives.
•
Contact your OMRON representative for further details and applicable conditions for these standards.
Programmable Terminals
Item
NT631C
TFT color
STN color
NT31/NT31C
STN monochrome
NT20
STN monochrome
Specification
Frame color: beige
Frame color: black
Frame color: beige
Frame color: black
Frame color: beige
Frame color: black
Frame color: beige
Frame color: black
Model
NT631C-ST153-EV3
NT631C-ST153B-EV3
NT31C-ST143-EV3
*
NT31C-ST143B-EV3
*
NT31-ST123-EV3
*
NT31-ST123B-EV3
*
NT20-ST121-E
*
NT20-ST121B-E
*
CU, CE
Standards
*
Production was discontinued.
Programming Devices
Item
Support Software
English
Memory Unit for Screen Transfer
Cable
For screen transfer
Printer
Specification
Windows 98, NT, 2000, Me, XP, Vista, or 7.
Note: Except for Windows XP 64-bit version.
(provided on CD-ROM)
NT631C/NT31@/NT20 (common)
For IBM PC/AT or compatible (2 m)
For hardcopies of screens
Model
NT-ZJCAT1-EV4
NT-MF261
XW2Z-S002
NT-CNT121
−
Standards
Options
Item
DeviceNet Interface Unit
Anti-reflection Sheets
(surface only)
NT631C (5 sheets)
NT31/31C (5 sheets)
NT20 (5 sheets)
NT631C (5 sheets) glare
Protective Cover
Option
Chemical resistant cover
(silicon cover)
Battery
Bar-code Reader
RS-422A Converter
Interface Attachment
NT631C (5 sheets) non-glare
NT31/31C (5 sheets)
NT631C
NT31/NT31C
NT20
NT631C/NT31@/NT20 (common)
Refer to the Catalog for details.
For NT20 ports A and B
For NT20
Specification
NT-DRT21
*1
NT610C-KBA04
NT30-KBA04
NT20-KBA04
NT631C-KBA05
NT631C-KBA05N
NT31C-KBA05
NT625-KBA01
NT30-KBA01
NT20-KBA01
C500-BAT08
V520-RH21-6
*2
CJ1W-CIF11
NT20-IF001
UC1, N, L, CE
−
−
Model
Standards
U, C
*1.
Production was discontinued.
*2.
Bar Code Reader (V520-RH21-6) was discontinued at the end of August 2016.
Communications Cable between PT and PLC
PT end
PLC end
D-sub 9-pin connector
Cable length
2m
5m
2m
5m
2m
5m
2m
5m
Cable model
XW2Z-200T
XW2Z-500T
XW2Z-200S
XW2Z-500S
XW2Z-200S
XW2Z-500S
XW2Z-200P
XW2Z-500P
−
Standards
D-sub
9-pin connector
NT631C port A or B
NT31/NT31C port A
NT20 port A or B
D-sub 25-pin connector
D-sub 9-pin connector
D-sub
25-pin connector
NT31/NT31C port B
D-sub 25-pin connector
2
NT Series
Specifications NT631C
General Specifications
Model
Item
Rated power supply voltage
Allowable power supply
voltage range
Power consumption
Ambient operating
temperature
Storage temperature
Ambient operating humidity
Ambient operating
environment
Noise immunity
Vibration resistance
(during operation)
Shock resistance (during
operation)
Weight
Degree of protection (front
panel)
NT631C-ST153(B)-EV3
24 VDC
20.4 to 26.4 VDC (24 VDC -15%/+10%)
18 W max.
0 to 50 °C
-20 to 60 °C
35% to 85% (with no condensation)
No corrosive gases
Conforms to IEC 61000-4-4 at 2 kV (power
supply line).
5 to 9 Hz, single amplitude: 3.5 mm
9 to 150 Hz, 9.8 m/s²
10 times (1 octave/min) each in X, Y, and Z
directions
147 m/s², 3 times each in X, Y, and Z directions
2.5 kg max.
Equivalent to IP65 oil-proof type and NEMA4
(See note.)
Display elements
Display Specifications
Item
Model
Character displays (fixed display)
Graphic displays
Character string displays
Numerical displays
Bar graph displays
Analogue meter
Trend graphs
Broken line graphs
Lamps
Image library displays
Touch switches
Numeral inputs
Thumbwheel switches
Character string inputs
Alarm lists
Alarm histories
Normal screen
Overlapping screens
Window screens
Display history screens
NT631C-ST153(B)-EV3
65,535 per screen (including marks)
Up to 256 per screen (40 bytes (40 characters) per string)
256 per screen, max. 10-digit display (2 words)
Up to 50 per screen, percentage display and sign display are possible.
Up to 50 per screen, percentage display and sign display are possible.
One frame per screen, 50 graphs per frame
(only 8 graphs per frame with data logging)
One frame per screen, 256 graphs per frame,
512 points per graph
Up to 256 per screen
Up to 256 per screen
Up to 256 per screen, Max. overlap: 256 mesh
Up to 256 per screen
Up to 256 per screen
Up to 4 groups per screen
The normal screen display
A maximum of 8 registered screens can be
displayed overlapped with each other.
Up to 3 screens (2 local windows and 1 global
window) can be displayed at the same time.
Order of occurrence (max. 1,024 screens), order
of frequency (max. 255 times)
Buzzer, display history, background color,
backlight, keyboard screen number
3,999 screens
0: No display
1 to 3999: User-registered screens
9000: "Initializing system" screen
9001: Display history (occurrence order) screen
9002: Display history (frequency order) screen
9020: Programming Console function screen
9999: Return to the previous screen
9021 to 9023: Device monitor
By transmitting screen data created using the
Support Tool to the NT631C
By transmitting screen data stored in a memory
unit to the NT631C
Flash memory (screen data memory in the PT)
Note:
The equipment cannot be used for long periods of time in
locations which expose the panel to spills of oil.
Display/Panel Specifications
Item
640 dots (horizontal) × 480 dots (vertical)
Number of screens
Model
Display device
Number of dots
(resolution)
Effective display
area
NT631C-ST153(B)-EV3
Color TFT LCD
Screen attributes
Max. number of
registered screens
Display
Backlight
LED
211 × 158 mm
(10.4 inches)
8 colors
Display color
(intermediate colors can be displayed in tiling
patterns)
50,000 hours
Service life
(until contrast is reduced by 50%)
Automatic turn-OFF
1 to 255 minutes/None
Service life when
brightness is set to
50,000 hours min. (See note.)
high)
POWER Green
Lit while power is being supplied.
Green
Lit during operation
Lit when the battery voltage is low (when
Orange
operating)
RUN
Lit when the battery voltage is low (when
Red
stopped)
Screen types
Screen No.
Screen registration method
Screen saving method
Display Element Specifications
Item
Display characters
Enlargement function
Model
NT631C-ST153(B)-EV3
Half-size characters (8 × 8 dots): Alphanumerics and symbols
Normal-size characters (8 × 16 dots): Alphanumerics and symbols
Mark data (16 × 16 dots): User defined picture characters
Normal size, double width, double height, and
magnifications of 4X, 9X, 16X, 64X
Available for enlarged characters with
magnification of 4X or greater (excluding marks)
Normal, reverse, flashing, reverse and flashing, transparent
Variable-size pictograph
Size: Min. 8 × 8 dots, Max. 640 × 480 dots
The size can be set in 8-dot units.
It is not possible to set enlarged display,
smoothing processing, or display attributes such
as reverse/flashing.
Combination of any characters and graphics
Size: Min. 1 × 1 dots, Max. 640 × 480 dots
Any size can be set.
Enlarged display, smoothing processing, and
display attributes such as reverse/flashing are
displayed according to the setting registered.
Polyline, circle, arc, fan, square, polygon
Solid line, dotted line, alternate long and short dash, long and
two short dashes (only polylines for other than solid lines)
10 types
Normal, flashing, reverse, reverse flashing
8 colors (black/blue/red/purple/green/light blue/yellow/white)
Note:
The time until brightness is reduced by half, under normal
temperature and normal humidity.
Operation Specifications
Item
Touch
panel
Model
Number of switches
Input
Operating force
Service life
NT631C-ST153(B)-EV3
768 (32 × 24)
Pressure sensitive
1 N max.
1,000,000 operations min.
Smoothing processing
Character display attribute
Image data
External I/F Specifications
Item
Model
Serial port A
Serial
communications
Serial port B
NT631C-ST153(B)-EV3
Conforms to EIA RS-232C.
D-sub 9-pin connector (female)
+5 V (250 mA max.) output at pin No. 6
EIA RS-232C, (RS-422A/485 selectable by
memory switch setting)
RS-232C: D-sub 9-pin connector (female)
RS-422A/485: Terminal block (6 terminals)
Conforms to Centronics specifications,
20-pin half-pitch connector
Dedicated connector
Library data
Graphics
Line type
Tilling
Graphic display attribute
Display colors
Parallel I/F
Expansion I/F
Data Capacities
NT631C-ST153(B)-EV3
1 MB
2 words x up to 2,000 (1,000 tables can be
Numeric memory table
backed up with battery)
40 normal-size characters x up to 2,000 (Data
Character string memory table
can be written to and read from 500 tables)
Bit memory table
1 bit × 1,000
Mark data
224 (16-by-16-dot basis)
Image data
4,095 items
Library data
12,288 items
Item
Screen data capacity
Model
3
NT Series
Specifications NT31/NT31C
General Specifications
Model
Item
Rated power supply voltage
Allowable power supply
voltage range
Power consumption
Ambient operating
temperature
Storage temperature
Ambient operating humidity
Ambient operating
environment
Noise immunity
Vibration resistance
(during operation)
Shock resistance (during
operation)
Weight
Degree of protection (front
panel)
NT31-ST123(B)-EV3/NT31C-ST143(B)-EV3
24 VDC
20.4 to 26.4 VDC (24 VDC -15%/+10%)
15 W max.
0 to 50 °C
-20 to 60 °C
35% to 85% (with no condensation)
No corrosive gases
Conforms to IEC 61000-4-4 at 2 kV (power
supply line).
5 to 9 Hz, single amplitude: 3.5 mm
9 to 150 Hz, 9.8 m/s²
10 times (1 octave/min) each in X, Y, and Z
directions
147 m/s², 3 times each in X, Y, and Z directions
1 kg max.
Equivalent to IP65 oil-proof type and NEMA4
(See note.)
Display elements
Display Specifications
Item
Model
Character displays (fixed display)
Graphic displays
Character string displays
Numerical displays
Bar graph displays
Analogue meter
Trend graphs
Broken line graphs
Lamps
Image library displays
Touch switches
Numeral inputs
Thumbwheel switches
Character string inputs
Alarm lists
Alarm histories
Normal screen
Overlapping screens
Window screens
Display history screens
NT31-ST123(B)-EV3/NT31C-ST143(B)-EV3
65,535 per screen (including marks)
Up to 256 per screen (40 bytes (40 characters) per string)
256 per screen, max. 10-digit display (2 words)
Up to 50 per screen, percentage display and sign display are possible.
Up to 50 per screen, percentage display and sign display are possible.
One frame per screen, 50 graphs per frame
(only 8 graphs per frame with data logging)
One frame per screen, 256 graphs per frame,
320 points per graph
Up to 256 per screen
Up to 256 per screen
Up to 256 per screen, Max. overlap: 256 mesh
Up to 256 per screen
Up to 256 per screen
Up to 4 groups per screen
The normal screen display
A maximum of 8 registered screens can be
displayed overlapped with each other.
Up to 3 screens (2 local windows and 1 global
window) can be displayed at the same time.
Order of occurrence (max. 1,024 screens), order
of frequency (max. 255 times)
Buzzer, display history, background color,
backlight, keyboard screen number
3,999 screens
0: No display
1 to 3999: User-registered screens
9000: "Initializing system" screen
9001: Display history (occurrence order) screen
9002: Display history (frequency order) screen
9020: Programming Console function screen
9999: Return to the previous screen
9021 to 9023: Device monitor
By transmitting screen data created using the
Support Tool to the NT31/NT31C
By transmitting screen data stored in a memory
unit to the NT31/NT31C (automatic/manual)
Flash memory (screen data memory in the PT)
Note:
The equipment cannot be used for long periods of time in
locations which expose the panel to spills of oil.
Display/Panel Specifications
Item
Model
Display device
Number of dots
(resolution)
Effective display
area
Display
Display color
Service life
Automatic turn-
OFF
Contrast
adjustment
Service life (when
brightness is set to
high)
Brightness
adjustment
POWER Green
Green
RUN
Orange
Red
Number of screens
NT31-ST123(B)-EV3
Monochrome STN
LCD
NT31C-ST143(B)-EV3
Color STN LCD
Screen attributes
Max. number of
registered screens
320 dots (horizontal) × 240 dots (vertical)
118.2 × 89.4 mm (5.7 inches)
8 colors (intermediate
colors can be
Black/White
displayed in tiling
(2 colors)
patterns)
50,000 hours (until contrast is reduced by 50%)
1 to 255 minutes/None
100 levels of adjustment possible using the front
touch panel
50,000 hours min. (See note.)
3 levels of adjustment possible using the front
touch panel
Lit while power is being supplied
Lit during operation
Lit when the battery voltage is low (when
operating)
Lit when the battery voltage is low (when
stopped)
Screen types
Screen No.
Screen registration method
Screen saving method
Backlight
Display Element Specifications
Item
Display characters
Enlargement function
Smoothing processing
Character display attribute
Model
NT31-ST123(B)-EV3 NT31C-ST143(B)-EV3
Half-size characters (8 × 8 dots): Alphanumerics and symbols
Normal-size characters (8 × 16 dots): Alphanumerics and symbols
Mark data (16 × 16 dots): User defined picture characters
Normal size, double width, double height, and
magnifications of 4X, 9X, 16X, 64X
Available for enlarged characters with
magnification of 4X or greater (excluding marks)
Normal, reverse, flashing, reverse and flashing, transparent
Variable-size pictograph
Size: Min. 8 × 8 dots, Max. 320 × 240 dots
The size can be set in 8-dot units.
It is not possible to set enlarged display,
smoothing processing, or display attributes such
as reverse/flashing.
Combination of any characters and graphics
Size: Min. 1 × 1 dots, Max. 320 × 240 dots
Any size can be set.
Enlarged display, smoothing processing, and
display attributes such as reverse/flashing are
displayed according to the setting registered.
Polyline, circle, arc, fan, square, polygon
Solid line, dotted line, alternate long and short dash, long and
two short dashes (only polylines for other than solid lines)
10 types
Normal, flashing, reverse, reverse flashing
8 colors (black/blue/red/purple/
2 colors (black/white)
green/light blue/yellow/white)
LED
Note:
The time until brightness is reduced by half, under normal
temperature and normal humidity.
Operation Specifications
Item
Touch
panel
Model
Number of
switches
Input
Operating force
Service life
NT31-ST123(B)-EV3/NT31C-ST143(B)-EV3
192 (16 × 12)
Pressure sensitive
1 N max.
1,000,000 operations min.
Image data
Library data
Graphics
External I/F Specifications
Item
Model
Serial port A
Serial
communications
Serial port B
Parallel I/F
Expansion I/F
NT31-ST123(B)-EV3/NT31C-ST143(B)-EV3
Conforms to EIA RS-232C
D-sub 9-pin connector (female)
+5 V (250 mA max.) output at pin No. 6
EIA RS-232C (RS-422A/485 selectable by
memory switch setting)
D-sub 25-pin connector (female)
Conforms to Centronics specifications,
20-pin half-pitch connector
Dedicated connector
Line type
Tilling
Graphic display attribute
Display colors
Data Capacities
Model
Item
Screen data capacity
Numeric memory table
NT31-ST123(B)-EV3/NT31C-ST143(B)-EV3
1 MB
2 words x up to 2,000 (1,000 tables can be backed up with battery)
40 normal-size characters x up to 2,000 (Data
Character string memory table
can be written to and read from 500 tables)
Bit memory table
1 bit × 1,000
Mark data
224 (16-by-16-dot basis)
Image data
4,095 items
Library data
12,288 items
4
NT Series
Specifications NT20
General Specifications
Model
Item
Rated power supply voltage
Allowable power supply voltage range
Allowable power
interruption time
Power consumption
Ambient operating
temperature
Storage temperature
NT20-ST121(B)/128(B)
24 VDC
20.4 to 27.6 VDC (24 VDC -15%/+10%)
Not specified
Serial
communi-
cations
Serial port B
External I/F Specifications
Item
Model
Serial port A
NT20-ST121(B)
Conforms to EIA RS-232C.
D-sub 9-pin connector (female)
+5 V (150 mA max.) output at pin No. 6
The +5 V output, however, cannot be used
simultaneously at ports A and B.
EIA RS-232C
D-sub 9-pin connector (female)
+5 V (150 mA max.) output at pin No. 6
The +5 V output, however, cannot be used
simultaneously at ports A and B.
Dedicated connector
10 W max.
0 to 50 °C (See note 1.) (with no
condensation)
-20 to 70 °C
35% to 85 % (0 to 40 °C)
Ambient operating humidity
35% to 50 % (40 to 50 °C) (with no condensation)
35% to 85 % (-20 to 40 °C)
Ambient storage humidity
35% to 50 % (40 to 50 °C)
35% to 45 % (50 to 70 °C) (with no condensation)
Ambient operating
No corrosive gases
environment
Noise immunity
Conforms to IEC 61000-4-4 at 2 kV (power supply line).
5 to 9 Hz, single amplitude: 3.5 mm
Vibration resistance
9 to 150 Hz, 9.8 m/s²
(during operation)
10 times (1 octave/min) each in X, Y, and Z directions
Shock resistance (during operation)
147 m/s² , 3 times each in X, Y, and Z directions
Dimensions
190 × 108 × 53.5 mm (W × H × D)
178.5 + 0.50 × 98.5 + 0.50 mm (horizontal × vertical)
Panel cutout dimensions
Panel thickness: 1.6 to 4.8 mm
Weight
0.7 kg max.
Front panel operating section: Equivalent to
Degree of protection
IP65 oil-proof type and NEMA 4. (See note 2.)
Applicable standards
UL 1604 Class 1 Division 2, EC Directives
Expansion I/F
Display Specifications
Item
Display characters
Character string
displays
Numeric displays
(See note.)
Bar graph displays
(See note.)
Graphic displays
Lamps
Touch switches
Numeral settings
Normal screen
Overlapping screens
Continuous screens
Display elements
Specifications
Host Link, NT Link, or C200H
Memory Link (RS-232C)
Direct Communications
Communications
Fixed displays (character strings registered
for each screen)
128 per file,
32 per screen
32 per screen
50 per screen max., 8-digit display
50 per screen
Any position
128 per screen
256 max. per file
72 per screen
256 max. per file
Numeral setting display (8 digits), 50 per screen
The normal screen display
A maximum of 8 registered screens can be
displayed overlapped with each other.
Switch among up to 8 screens
(Use
↑
and
↓
touch switch keys to switch screens.)
Buzzer, numeral
Buzzer, numeral settings,
settings, backlight
backlight, bit inputs
495 screens max.
By transmitting screen data created using the
Support Tool to the NT20
By transmitting screen data stored in a
Memory Unit to the NT20
(automatic/manual)
Flash memory (specific NT20 format)
Display/Panel Specifications
Item
Specifications
Display device
Monochrome STN LCD
140 (128) × 260 (256) dots (horizontal × vertical)
Number of dots
Dot size: 0.42 mm
(resolution)
The number of dots that can be used in NT20
system programs is indicated in parentheses.
Display
66 (57.6) × 120 (115.2) mm (horizontal × vertical)
(See
Effective display
The effective display area that can be used with
note 1.)
area
NT20 system programs is indicated in parentheses.
Display mode
Blue mode
Service life
50,000 hours min.
Contrast adjustment
The contrast can be adjusted from the back of the PT.
Service life
50,000 hours min. (See note 2.)
Replacement
Cannot be replaced.
Backlight
Brightness adjustment
Cannot be set.
Automatic turn-OFF
Can be set to either 10 minutes, 1 hour, or lit.
Front-
Lit green: Normal operation with Memory Unit
panel
automatic transfer completed.
RUN
indicator
Flashing green: Executing Memory Unit
LED
automatic transfer or automatic transfer error.
Screen attributes
Number of screens
Screen registration method
Screen saving method
(image data memory)
Note:
No. of numeral table entries that can be used (No. of numeral
displays used + No. of graphs used + No. of numeral settings)
≤128
Display Element Specifications
Item
Specifications
Half-size characters (8 × 8 dots):
Alphanumerics and symbols
Normal-size characters (8 × 16 dots):
Alphanumerics and symbols
Mark data (16 × 16 dots): User defined
picture characters
Double width, double height, and
magnifications 4X, 9X, 16X
Available for enlarged characters with
magnification of 4X or greater
Normal, reverse, flashing, reverse and
flashing
Polylines, circles
Display characters
Note:
1: There are sometimes faulty in the touch panel, but this does
not indicate an error as long as the number of bright or dark
pixels does not exceed the following limits.
4 total bright or dark defects maximum of the following size
with no more than one per 20-mm square: 0.2 mm < (short
dia. + long dia.)/2 < 0.55 mm
2: This time is only a guide to the half-life of luminescence at
room temperature and standard humidity.
The service life will be dramatically reduced in low-
temperature environments. For example, the service life at
0
°
C or less is approximately 10,000 hours (reference value).
Enlargement function
Smoothing processing
Character display attribute
Graphics
Data Capacities
Item
Character strings
Numeral data
Mark data
Touch switches
Lamps
Specifications
Host Link, NT Link, or C200H
Memory Link (RS-232C)
Direct Communications
Communications
32 characters × 128
8 digits × 128
64
No limit
256 per file max.
No limit
256 per file max.
Operation Specifications
Item
Specifications
Number of switches: Up to 72 registered per
screen (12 × 6 (horizontal × vertical))
Switch size: 9.14 × 9.18 mm (horizontal × vertical)
Input: Pressure sensitive
Operating force: 1 N max.
Service life: 1,000,000 operations min.
Touch panel
Screen types
Note
1: The display quality (e.g., contrast) will deteriorate at
temperatures above 40
°
C. At low temperatures, the response
speed will be reduced due to the characteristics of liquid crystal.
2: The NT631/NT31/NT20 may not be able to be used in
locations subject to long-term oil exposure.
5
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