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Display and Setting of Calendar Clock
PT Status Control (word n + 3)
15
14
13
12
11
10
9
8
0
1, 2, 3...
(n: First word address in the PT status control area)
15
14 13 12 11 10 9
Word
n
n + 1
n + 2
n + 3
n + 4
7
6
5
4
3
2
1
0
0
The operation for setting the date and time data is described below.
The following explains the operation for copying the numeric value from copy
source numeral memory table entry A to copy destination numeral memory table
entry 254 and from copy source numeral memory table entry B to copy destina-
tion numeral memory table entry 255. The numeric values in numeral memory
table entries A and B are stored in BCD.
1. Set the date and time data in the words allocated for numeral memory table
entry A (word A and word A+1, in the illustration below).
A + 1
15
...
Date
(01 to 31)
2. Set the date and time data in the words allocated numeral memory table
entry B is (word B and word B+1, in the illustration below).
8
7
6
5
Screen No. (4-digit BCD or hexadecimal)
Copy source memory table entry number
(4-digit BCD or hexadecimal)
Copy destination memory table entry number
(4-digit BCD or hexadecimal)
PT status control bits
Reserved for system use
The configuration and functions of these words are different
when the PT is in NT20S or NT30/620 compatible mode.
Bit
Controlled Item
Screen display
15
Processing priority registration (for NT link (1:N))
14
Continuous buzzer
13
Intermittent buzzer (short)
12
Display history initialization
11
Not used
10
Intermittent buzzer (long)
9
Backlight mode
8
Screen printing
7
PT window opening
6
Numeral/character string input
5
PT screen switching
4
Memory table copy execution
3
Memory table copy type
2
Alarm history initialization
1
Not used
0
Bits 2 and 3 are not used when the PT is in NT20S or
NT30/620 compatible mode.
Bit 7 is not supported by the NT21.
0
15
...
Hour
Minute
(00 to 23)
(00 to 59)
Section
4
3
2
1
0
Bit
Screen switch setting
Copy memory
table entry
setting
PT status control
1 (ON)
Performed
Registered
Sounded
Sounded
Performed
Always 0
Sounded
Lit
Performed
Disabled
Disabled
Disabled
Performed
Numeral
Performed
Always 0
A
Word
0
Bit
Second
Contents of setting
(00 to 59)
3-10
0 (OFF)
Not performed
Canceled
Stopped
Stopped
Not performed
Stopped
Flashing
Not performed
Enabled
Enabled
Enabled
Not performed
Character string
Not performed
357
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