Mitsubishi Electric F930GOT-BWD, Operation Manual

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Graphic Operation Terminal GOT-F900 Creation of Display Screens 8
8-20
• 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, 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.
Displays screen No. 1.
Stores "-1" in control devices indicating
screens not to be overlaid.
Counts the number of bolts.
Specify 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 screens to be overlaid.
(Screen No. 11
→
D1)
Screen 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 message 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