Notifying The Display Screen To The Pc (To Display The Number Of Currently Displayed Screen) - Omron NT11S Operation Manual

Outline of Host Link / NT Link Operation
5-1-6 Notifying the Display Screen to the PC
(To Display the Number of Currently Displayed Screen)
S PC ladder program
Create a PC ladder program as follows:
00002
00003
11212
Screen switch strobe flag
S Program operation
(1) Screen No.2 is displayed on the NT11S when bit 00002 turns ON.
(2) Screen No.3 is displayed on the NT11S when bit 00003 turns ON.
(3) When the screen switch strobe flag turns ON, the number of the currently dis-
played screen is read and written to the currently displayed screen word in the
PT status notify area. In this case, the NT11S will not write the same screen
twice.
The following describes the processing to display the number of currently dis-
played screen of the NT11S.
This processing reads the data from the PC status notify area.
To indicate that the screen has switched, use the screen switch strobe flag.
To display the number of the currently displayed screen, use the currently dis-
played screen word.
When the screen has switched, the NT11S notifies the following to PT status notify
area (PT to PC) allocated to the PC.
Screen switch notification:
New screen number:
(1)
@MOV(21)
#0002
Screen number
100
Screen switch setting word
(2)
@MOV(21)
#0003 Screen number
100
Screen switch setting word
@MOV(21) (3)
110
Screen number
100
Screen switch setting word
Screen switch strobe flag of the PT status word
Currently displayed screen word
Section 5-1
103