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Compatibility with Screen Data of Other PT Models
Item
PT status
notify area
15
14
13
Word
Word m
Word m+1
0
Word m+2
PT status notify bits
PT status notify bits
Word
Notified Information
15
PT operation status
14
Not used
13
Not used
12
Screen switch strobe
11
Numeral setting strobe
10
Not used
9
Not used
8
Not used
Window
None
control
area
Clock data
None
area
Screen
0:
display
1 to 250, 256 to 500: Normal, overlapping, continuous screens
Continu-
Possible
ous
screens
NT20S
Bit
12
11
10
9
8
7
6
5
4
3
Screen number (4 BCD digits)
Numeral/character string memory table entry No.
(3 BCD digits)
0
1 (ON)
Run
Always 0
Always 0
ON
ON
Always 0
Always 0
Always 0
No display
2
1
0
15
14
13
Word
Word m
Word m+1
0
PT status notify bits
0 (OFF)
Word
Notified Information
Stop
15
PT operation status
14
Not used
13
Battery
OFF
12
Screen switch strobe
OFF
11
Numeral setting strobe
10
Character string setting strobe
9
Not used
8
Not used
7
Not used
6
Backlight status
5
Global window open status
4
Local window 1 open status
3
Local window 2 open status
The contents of Screen number of the displayed screen (PT status
notify area word m in the NT20S) is written to PT status control area
word n.
15
14
13
Word
Word k
Word k+1
Word k+2
Word k+3
Word k+4
Word k+5
Word k+6
Word k+7
Word k+8
15
14
Word
Minutes (2-digit BCD)
Word j
Word j + 1
Day of month (2-digit BCD)
Word j + 2
Year (2-digit BCD)
Word j + 3
0:
No display
1 to 3999 :
Normal screens, window screens, overlapping screens
9000:
System Initializing screen
9001:
Display history (occurrence order) screen
9002:
Display history (frequency order) screen
9020:
Screen for programming console function
9999:
Return to the previous screen
Not possible
A parent screen is deleted after the data conversion, such as from an
NT20S.
Use a switch screen touch switch instead.
Appendix B
NT21
Bit
12
11
10
9
8
7
6
5
4
Numeral/character string memory table entry No.
(BCD or hexadecimal 4 digits)
PT status notify bits
0
0
1 (ON)
Run
Always 0
Low
ON
ON
ON
Always 0
Always 0
Always 0
OFF
Open
Open
Open
12
11
10
9
8
7
6
5
4
Global window
Screen No. (4-digit BCD or hexadecimal)
Global window
X coordinate (4-digit BCD or hexadecimal)
Global window
Y coordinate (4-digit BCD or hexadecimal)
Local window1
Screen No. (4-digit BCD or hexadecimal)
Local window1
X coordinate (4-digit BCD or hexadecimal)
Local window1
Y coordinate (4-digit BCD or hexadecimal)
Local window2
Screen No. (4-digit BCD or hexadecimal)
Local window2
X coordinate (4-digit BCD or hexadecimal)
Local window2
Y coordinate (4-digit BCD or hexadecimal)
13
12
11
10
9
8
7
6
5
4
Seconds (2-digit BCD)
Hour (2-digit BCD)
Month (2-digit BCD)
Always 00
Day of week (2-digit BCD)
3
2
1
0
0
0 (OFF)
Stop
Normal
OFF
OFF
OFF
Lit/flashing
Close
Close
Close
Bit
3
2
1
0
3
2
1
0
Bit
437
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