User`s manual

Graphic Operation Terminal F930GOT Creation of Display Screens 8
8-18
Example of screen overlay
Screen overlay: Each process is monitored. When a material has run short, the material name
is displayed on the screen, and a message is displayed to notify necessity of
supplement of the material.
-Line selector switch
Line 1 input: X0
Line 2 input: X1
-Sensor (for bolt count)
Line 1 input: X2
Line 2 input: X3
-Supplement confirmation button: X4
Program in PLC
Control devices
Data devices: Word devices to specify screen Nos. to be overlaid
In the program above, the line 1 is selected. Even if the line 2 is selected, screens can be
overlaid in the same way.
D 0
D (0+1)
D (0+2)
D0
D1
D2
K1 D0
K-1 D1
K-1 D2
Selects the line 1.
Displays the screen No. 1.
Stores "-1" in control devices indicating
screens not to be overlaid.
Counts the number of bolts.
Specify the screens to be overlaid.
Screen No. 10
D1
Screen No. 20
D2
Resets the counter by X4 when
supplement is completed.
Base screen to be overlaid
Specify the screens to be overlaid.
(Screen No. 11
D1)
Screens overlay is not performed.
Screen overlay is finished.
Stores "-1" in control device.
M10
FNC12
FNC12
FNC12
MOV K1 D0
K10 D1
K20 D2
FNC12
FNC12
FNC12
C0
M10
Sensor
X2
M20
Supplement is
completed.
C0
K1000
C0
X4 T0
P
MOV
P
MOV
P
RST
MOV
P
MOV
P
M20
MOV K1 D0
K11 D1
K-1 D2
FNC12
FNC12
FNC12
P
MOV
P
MOV
P
M20
K-1 D1
FNC12
MOV
P
T0
Base screen to be overlaid
Display a)
in the
next page
Display b)
in the
next page
Display c)
in the
next page
Display a)
in the
next page
X0
T0
K
¡
Displays the message No. 11 (which
notifies that supplement of material is
completed) for
¡
seconds.
Line selector switch
MOV
P