Appendix BCompatibility with Screen Data of Other PT Models
437
Item NT21NT20S
PT status
notify area
Bit
Screen number (4 BCD digits)
Numeral/character string memory table entry No.
(3 BCD digits)
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Word m
Word m+1
Word m+2
Word
00PT status notify bits
0
PT status notify bits
00 0
Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Word m
Word m+1
Word
Numeral/character string memory table entry No.
(BCD or hexadecimal 4 digits)
PT status notify bits
Word Notified Information 1 (ON) 0 (OFF)
15 PT operation status Run Stop
14 Not used Always 0
13 Not used Always 0
12 Screen switch strobe ON OFF
11 Numeral setting strobe ON OFF
10 Not used Always 0
9 Not used Always 0
8 Not used Always 0
PT status notify bits
Word Notified Information 1 (ON) 0 (OFF)
15 PT operation status Run Stop
14 Not used Always 0
13 Battery Low Normal
12 Screen switch strobe ON OFF
11 Numeral setting strobe ON OFF
10
Character string setting strobe ON OFF
9 Not used Always 0
8 Not used Always 0
7 Not used Always 0
6 Backlight status OFF Lit/flashing
5 Global window open status Open Close
4 Local window 1 open status Open Close
3 Local window 2 open status Open Close
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.
Window
control
area
None
Word k+1
Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Word k
Word
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
X coordinate (4-digit BCD or hexadecimal)
Local window1
Y coordinate (4-digit BCD or hexadecimal)
Local window1
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)
Local window2
Screen No. (4-digit BCD or hexadecimal)
Word k+2
Word k+3
Word k+4
Word k+5
Word k+6
Word k+7
Word k+8
Clock data
area
None
15
14131211109876543210
Word
Bit
Word j
Minutes (2-digit BCD)
Word j + 1
Word j + 2
Word j + 3
Seconds (2-digit BCD)
Day of month (2-digit BCD) Hour (2-digit BCD)
Year (2-digit BCD) Month (2-digit BCD)
Always 00 Day of week (2-digit BCD)
Screen
display
0: No display
1 to 250, 256 to 500: Normal, overlapping, continuous screens
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
Continu-
ous
screens
Possible Not possible
A parent screen is deleted after the data conversion, such as from an
NT20S.
Use a switch screen touch switch instead.