Specifications

Graphic Operation Terminal GOT-F900 Creation of Display Screens 6
6-19
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
Control devices
Word devices to specify screen numbers to be overlaid
In the program above, line 1 is selected. If line 2 is selected, screens can be overlaid in the
same way.
K1 D0
K-1 D1
K-1 D2
Selects line 1
Displ a
y
s screen No. 1
Stores "-1" in control devices indicatin
g
screens not to be overlaid
Counts the number of bolts
Specif
y
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
screens to be overlaid
(
Screen No. 11
D1
)
Screen overla
y
is not performed
Screen overla
y
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
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
Displ a
y
s messa
g
e No. 11
(
which notifies
that supplement of material is completed
)
for seconds
Line selector switch
MOV
P
D 0
D
(
0+1
)
D
(
0+2
)
D0
D1
D2