Specifications

Graphic Operation Terminal GOT-F900 Creation of Display Screens 6
6-23
• 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
PLC program
Screen changeover
Word devices to specify screen numbers to be overlaid
In the program above, the line 1 is selected. If line 2 is selected, screens can be overlaid in
the same way.
K2 D0
K-1 D1
K-1 D2
Selects the line 1
Displ a
y
s the screen No. 2
Stores "-1" in control devices indicatin
g
screens not to be overlaid
Counts the number of bolts
Specif
y
the screens to be overlaid
Screen No. 10
→
D1
Screen No. 20
→
D2
Resets the counter b
y
X4 when
supplement is completed
Base screen to be overlaid
Specif
y
the screens to be overlaid
(
Screen No. 11
→
D1
)
Screens overla
y
is not performed
Screen overla
y
is finished.
Stores "-1" in control device
M10
MOV K2 D0
K10 D1
K20 D2
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 K2 D0
K11 D1
K-1 D2
P
MOV
P
MOV
P
M20
K-1 D1MOV
P
T0
Base screen to be overlaid
Displ a
y
a
)
in the
next pa
g
e
Displ a
y
b
)
in the
next pa
g
e
Displ a
y
c
)
in the
next pa
g
e
Displ a
y
a
)
in the
next pa
g
e
X0
T0
K¡
Displ a
y
s the messa
g
e No. 11
(
which
notifies that supplement of material is
completed
)
for ¡ seconds
Line selector switch
MOV
P
Base screen
Overlap window 1
Overlap window 2
D0
D1
D2
Set them in "Switching Screen" in "Common" in GT Designer.