Omron NT631 Series Reference Manual page 392

Commands/Responses
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Command
[ESC]
First word number of PT notify area
Number of changed words in PT control area
PT status notify bit (hexadecimal)
Check sum
Reference: When NT30/620 compatible mode is being used, the current screen number oc-
cupies the first word of the PT status notify area and the words containing the
updated memory table number and PT status notify bits are shifted down one
word.
Example 3. Notification of Change in The Window Control Area
Notification of change in the window control area is issued when a window is
controlled by the operation at the PT. It is possible to know the screen number of
the window which is opened and the display position of the window (bottom left
coordinate (X, Y) of the window). In the example below, it is ascertained that the
window screen No.16 is displayed at the position on X: 280, Y: 99.
Command
[ESC]
First word number of window control area
Number of changed words in window control area
Screen number (hexadecimal)
Window X coordinate (hexadecimal): 118H (280 in BCD)
Window Y coordinate (hexadecimal): 63H (99 in BCD)
Check sum
S With memory link communication, bit 12 (screen switch strobe), bit 11 (numer-
Reference:
al setting strobe flag) and bit 10 (character string setting strobe flag) of PT sta-
tus notify bit do not go ON/OFF. It is possible to know them by direct area
changing notify command, numeral input notify command and character
string input notify command.
S When the PT was switched to RUN mode from system menu or error screen,
notification of change in PT notify area (PT operation status: ON) is issued to
the host.
Also, when the PT was switched to system menu or error screen from RUN
mode, notification of change in PT notify area (PT operation status: OFF) is is-
sued to the host.
P M 0 1
1B 50 4D 30 31
8 0 8
38 30 38 30
P M 0 1
1B 50 4D 30 31
0
1 ,
31
31 30 2C
3 9 A [CR]
33 39 41 0D
: 3CH
: 10H
(screen No.16 in BCD)
: 9AH
Section
1 1 0 1
31 31 30 31
0 A C [CR]
41 43 0D
: 110CH
: 1CH
: 8080
H
(PT operation status bit,
screen printing bit: ON)
: AC
H
2 0 0 3
32 30 30 33
1 1 8 , 6
31 38 2C 36
: 120CH
Contents of
direct area after
the change
4-3
383