Omron NT21

Appendix CNT20S and NT30/620 Compatible Modes
452
Item NT20S compatible mode used NT20S compatible mode not used
PT status
control
area
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Word n
Word n+1
Word n+2
Word n+3
Screen number (4 BCD digits)
Copy type
PT status control bits
0
Copy source memory table entry No. (3 BCD digits)
Copy destination memory table entry No. (3 BCD digits)
Bit
Word
Word configuration
Word n is used to specify the screen switch setting only.
Word n+4
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Word n
Word n+1
Word n+2
Word n+3
Bit
Word
Screen number (4 BCD or hexadecimal digits)
Copy source memory table entry No. (4 BCD or hexadecimal digits)
Copy destination memory table entry No. (4 BCD or hexadecimal digits)
PT status control bits
Reserved for system use
Word configuration
Word n is used to specify the screen switch setting and notify screen
number.
PT status control bits
Word Controlled Item 1 (ON) 0 (OFF)
15 Screen display Performed Not performed
14
Processing priority registration Registered Canceled
13 Continuous buzzer Sounded Stopped
12 Intermittent buzzer (short) Sounded Stopped
11 Display history initialization Performed Not performed
10 Not used Always 0
9 Intermittent buzzer (long) Sounded Stopped
8 Backlight mode Lit Flashing
7 Not used Always 0
6 PT window opening Disabled Enabled
5
Numeral/character string input Disabled Enabled
4 PT screen switching Disabled Enabled
3 Not used
*2
Always 0
2 Not used
*2
Always 0
1 Alarm history initialization Performed Not performed
0 Not used Always 0
*1: Both the display history and alarm history are initialized when bit
11 is turned ON.
*2: Bits 2 and 3 are not used in NT20S compatible mode.
PT status control bits
Word Controlled Item 1 (ON) 0 (OFF)
15 Screen display Performed Not performed
14
Processing priority registration Registered Canceled
13 Continuous buzzer Sounded Stopped
12 Intermittent buzzer (short) Sounded Stopped
11 Display history initialization Performed Not performed
10 Not used Always 0
9 Intermittent buzzer (long) Sounded Stopped
8 Backlight mode Lit Flashing
7 Not used Always 0
6 PT window opening Disabled Enabled
5
Numeral/character string input Disabled Enabled
4 PT screen switching Disabled Enabled
3 Memory table copy execution Performed Not performed
2 Memory table copy type Numeral Character string
1 Alarm history initialization Performed Not performed
0 Not used Always 0
Reflected in bit unit
PT status
notify area
Bit
Screen number (4 BCD digits)
Numeral/character string memory table entry No. (4 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
00 0PT status notify bits
Word configuration
Word m is used for screen number notification.
(The function of the PT status notify bits does not change.)
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)
Word configuration
Screen number notification occurs in word n of the PT status control
area.
(The function of the PT status notify bits does not change.)
Image
codes
FE20 to FEFF hexadecimal, 224 codes max. 0001 to 0FFF hexadecimal, 4,095 codes max.
Library
codes
FA20 to FAFF, FB20 to FBFF, FC20 to FCFF, and FD20 to FDFF
hexadecimal, 896 codes max.
1000 to 3FFF hexadecimal, 12,288 codes max.
Insertion of
codes in
strings
Image and library codes can be inserted in character strings. Image and library codes cannot be inserted in character strings.