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4.
PRECAUTIONS WHEN DESIGNING A SCREEN
MELSEC-A
4.9.9
Time action restrictions
(1)
Do not make operating days overlap when executing a time action for
the same bit device.
i
Example: When M O is set
The day to be operated in time action pattern 1
. . . . . .
Monday to Friday
The day to be operated in time action pattern 2
. . . . . .
Sunday and Saturday
(2) When executing time action for two or more days, set the operating day
between Sunday and Saturday.
(When setting Thru. to the monitoring condition)
Example: To turn MOON at 8:00 on Monday through 17:OO on Wednes-
day.
When a time action is necessary from Saturday to Sunday, set the
following operation using a PC CPU:
Example: To turn M O ON at 17:OO on Saturday through 8:00 on Mon-
day.
Use an M i 0 0 that is not used for system control.
Set the monitoring conditions as follows:
When the MI00 goes OFF,
Mloo
turn M O ON.
When MlOO goes ON,
\I I
MO
Setting Item
turn M O OFF.
Set
Data
Starling time
(SUN)
@ON)
(TUE)
(WED)
(THUR)
(FBI)
(SAT)
I
I
I
I
I
I
I
I
I
0:OO
8 : O O
1 7 : O O
8:OO
Day
MlOO
(controlled
by the AD57G.l
MO (controlled by the PC CPU.)
Bit device
Com~letion time
1
17:OO
I
Thru.
MON. TUE. WED.
THUR.
FRI. SAT
(3) If Thru. is set, and one operating day is set, the set bit device is turned
OFF at 24:OO of the set operating day.
I
MI00
I
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