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5. MONITOR FUNCTIONS AND THEIR USE
MELSEC-A
5.6
Monitoring by Using the Level Display Function (Level Display)
[Function]
This function is used to fill a specified area in a specified direction beginning
with a specified position on the screen.
The following describes the level display function.
(1) The level display can be executed in four directions: right, left, down,
and up.
Ai
ht
Left
Down
U
I
I •
~
-
(2) The level display operation can be executed following the rules men-
tioned below.
(a) A closed figure drawn with one solid line of color within a level sprite
frame (dotted line frames in the example shown below) can be filled.
A range of level display which is already filled can be filled again with
a different color. However, a range which is already filled with a
pattern cannot be filled correctly by color filling.
Example:
.... Li ·
(Right)
~
(Lell) -
(Down) I
...........
~
.
.
,
.
·
..
,
·
. .
.
·
..
.
·
. .
.
·
. .
.
·
. .
.
·
. .
.
·
..
.
·
. .
.
·
..
.
·
..
.
·
. .
.
·
..
.
...................
(Up)
t
(Right)
~
(Up)
t
•
(b) If a figure contains another closed figure drawn with a different line
color, that contained figure is covered by filling.
Example: When specifying blue as a line color, level display shows
in the right hand figure.
Before executing level display
,"-"-"-"~
.
i
-Level sprite
.
.
frame
I
r---
Blue line
o
Green line
r
l .. _ .. _ .. _ .. _:
(Lell)
After executing level display
,"
_
..
_
..
-".,
I
l .. _ .. _ .. _ .. _.
5-96
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