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4.
USER SCREEN MODE
Screen Change by Specification of Screen Number from the Programmable Controller
Example 2:
Multiple overlaid screens
....
Each process is monitored and if a material is in short supply the name
of that material is displayed on the screen together with a message indicating that more of the material
should be supplied.
Line selection switch
Line 1
input: X O
Line
2
input: X I
Sensors (for counting bolts) Line 1
input: X2
Line 2
input: X3
Supply confirmation button:
input: X4
Programmable controller program
Control devices
Bit devices
.....
auxiliary relays for multiple
.
Data devices
.....
data registers for specifying screen numbers
screen overlays
b O
M O
...
2-screen overlay
-
b l
M I
...
3-screen overlay
Line selection switch
I
.....
Line 1 selection
FNC12
. . .
3-screen overlay (screens No.10 and No.20 are dls-
FNC12
played simultaneously with screen No.1)
Specification of overlaid screens
FNC12
.....
Screen No.10
-Dl
Screen No.20
-
D2
MOV
K20
X4
SUDD~V
Confirmation
.....
When material supply is completed the counter is
reset by X4, whereupon display
of
screens No.10
and No.20 is discontinued.
.....
Self-holding (supply completed)
....
Screen No.1 displayed
Sensor
MOV
2-screen overlay
(screen
No.11 overlaid on
screen
N0.1)
MI0
X2
M2O
- 1
t
1
, L - a
.....
Number
of
bolts counted
co
Supply completed
Kl 000
Specification of overlaid screen($)
K1
The screen No.11 message (material supply com-
pleted) is displayed for 10 seconds.
D O
The program shown above is effective when line
1
is selected. Screens can be overlaid in the same
way when line 2 is selected.
-
52
-
Display (1)
Display (2)
Display
(3)
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Troubleshooting
