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4.
PRECAUTIONS WHEN DESIGNING A SCREEN
MELSEC-A
4.3.2
Monitor screen data displayed on a text screen
All the following monitor screen data is displayed on a text screen.
The kinds of data to be displayed are given in Sections
4.3.3
and below.
(1) Text canvas data set by using an AD57GP (all character strings)
(2)
The following character string is set with the monitoring condition
parameter for the AD57GP:
Characters whose magnification constant is
1
time. (Characters for blink
display are excluded.)
4.3.3
Types of graphic figures that can be displayed on the monitor screen
Draw canvas screens and parts by combining the following graphic figures:
Straight line figures
-
Rectangles
-
Polygons
Arcs
Cuwed line figures
.
Ellipses (elliptical arcs)
I
For details of line attributes,
see (1) below.
For details of level displaying
patterns, see (2) on the next
page.
Classification
I
I
.
Free curves
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(1)
Line attributes
The chart below gives the attributes of the lines that can be displaved
I
.
Straioht lines
1
I
Figure
. .
on the monitor screen.
Remark
Straight lines
Rectangles
Polygons
(continuous
straight lines)
Circles
Circular arcs
Ellipses
Elliptical arcs
Llne Type *1
Line SIm
' 2
Remark
No.
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I
No.
I
I
relations hi^ between line size and
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I
I
I
line dots
0
Fine line
~
o
~
~
o
o
~
~
~
0
0
0
Th
0 0 . 0 0 0
(1 dot)
~ o . o o o
Solid line
: : : : : : a
~~~~~~
o m . m - v
o - . m o o
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
0
~
~
~
~
a o . 0 0 0
. . . . . . . . . . . . . . . . . . . . . . . . . . .
~
0
.
0
0
~
- -
- - - -
-
Medium line
1
(2 dots)
Broken line
s o o i o 6
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
o o . o * o
o . O o o o
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Thick line
.
~
O
~
O
O
O * O O ~ O
.........
(3 dots)
a a m o s o
9
.
1
Dotted line
1
. . . . . . .
, -
- - f
Use solid lines for drawina.
-
.
-
. -. -.
-
Alternating
longlshort
dashes line
. . . . . . . . . . . . . . . . . . . . . . . . .
Alternating
longlhvo short
Thickest line
.
If other types are used, the lines
(4 dots)
will not be displayed clearly.
used for drawing, all lines are dis-
Fine line
played as fine lines.
(1 dot)
I
daches line
(
1
I
'
1 The broken line is equivalent to dotted line 1 of the GED, and the dotted line is equivalent
to dotted line 2 of the GED.
'
2 The medium line and the tnlckest line can be displayed by sotting the AD57GP monitoring
cond'tions. They cannot be Lt'lized whon a r a ~ n g
on
a monitor screen using the GED.
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