256
Specifications
Appendix A
Performance Specifications
Display Specifications
Note
(1) There are sometimes faulty pixels 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 defects max. 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) Time taken for brightness to reduce to half at room temperature and humidity. This is a reference
value only. The life expectancy will be radically reduced at low temperatures. For example, the life
expectancy at 0
°
C or lower will be 10,000 hours (reference value).
Panel Specifications
Item
Specification
Display panel
(See note 1.)
Display device
Monochrome STN LCD (with backlight)
Number of dots
(resolution)
140 (128) vertical
×
260 (256) horizontal, dot size: 0.42 mm
Values in parentheses are the numbers of dots that can be used by the NT20
system program.
Effective display area
66 (57.6) mm vertical
×
120 (115.2) mm horizontal
Values in parentheses are effective display area that can be used by the NT20
system program.
Display mode
Blue mode
View angle
Up: 40
°
, Down: 50
°
, Left: 35
°
, Right: 35
°
Life expectancy
50,000 hours minimum
Contrast adjustment
The contrast can be adjusted with the contrast adjustment on the back of NT20.
Backlight
(white cold
cathode tube)
Life expectancy
50,000 hours minimum (See note 2.)
Replacement
User must not replace the backlight.
Brightness adjustment Not provided.
Automatic turn-off
Can be set to turn off in 10 minutes, 1 hour, or to remain ON.
Front-panel
indicator
RUN
Lit green: Running normally and Memory Unit automatic transmission completed.
Flashing green: Memory Unit automatic transmission being executed or Memory
Unit automatic transmission error.
Item
Specification
Touch panel
Number of switches: 72 (6 vertically
×
12 horizontally)
Switch size: 9.14 mm horizontal
×
9.18 mm vertical
Input: Pressure-sensitive type
Life expectancy: 1 million operations min.
Summary of Contents for NT20
Page 1: ...Programmable Terminal Cat No V091 E1 01 NT20 USER S MANUAL ...
Page 2: ...NT series Programmable Terminal User s Manual Produced March 2007 ...
Page 3: ...iv ...
Page 5: ...vi ...
Page 9: ...x TABLE OF CONTENTS ...
Page 15: ...xvi ...
Page 21: ...xxii EC Directives 6 ...
Page 37: ...16 Before Operating Section 1 6 ...
Page 153: ...132 Transferring the Resource Data Section 3 11 ...
Page 185: ...164 Numeral Setting Section 4 8 ...
Page 267: ...246 Key to Programs Section 6 8 ...
Page 281: ...260 Specifications Appendix A ...
Page 285: ...264 Transporting and Storing PTs Appendix C ...
Page 303: ...282 Function Restrictions Depending on the Support Tool Appendix I ...
Page 307: ...286 Index ...
Page 309: ...288 Revision History ...