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2-8
Section
Numeral Display
133
Display Attributes And Drawing Result
Attribute
Drawing Result
Standard
The numeral display is displayed with the specified foreground
color and background color.
12345678
Flash
Repeated alternation of the standard display and no display.
⇔
12345678
Inverse Flash
Repeated exchange of the foreground color and background
color.
12345678
⇔
12345678
Direct Reference and Indirect Reference
Direct reference is a method whereby the memory table whose contents are to
be displayed is specified directly.
DM0100
0 0 6 2
0 0 6 2
0 0 6 2
PC
PT
Direct
reference
Numeral memory
table No. 18
Allocated word
(numeral memory table No. 18)
In indirect reference, the numeral memory table whose contents are to be dis-
played is not specified directly: the contents of the specified numeral memory
table (a numeric value) are regarded as the number of a numeral memory table,
and the contents of this numeral memory table are displayed. Note that more
processing time is required for indirect reference that for direct reference.
Allocated word
(numeral memory table No. 62)
DM0100
7 7 7 7
0 0 6 2
0 0 6 2
7 7 7 7
7 7 7 7
DM0200
PC
PT
Indirect
reference
Numeral memory
table No. 18
Allocated word
(numeral memory table No. 18)
Numeral memory
table No. 62
Number of Digits Displayed
All contents of numeral memory tables are stored as integers. To display a nu-
meric value that has a decimal fraction, set the decimal setting to 1 or higher to
specify the number of places after the decimal point, then a decimal point is auto-
matically inserted.
Note that if the number of digits of the numeric value is greater than the total of
the settings for Integer and Decimal, an error occurs and
∗
is displayed for all the
digits.
An example is given below (here, the check mark is assumed to be set for Zero
Suppression).
Example:
Displaying 123456
•
Setting for Integer =
8; setting for Decimal = 0:
Resulting display: 00123456
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Summary of Contents for NT21 Series
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