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6-1
Section
Common Operation
129
When a negative numeric value is displayed with this item selected, a negative
sign “–” is displayed preceding a numeral. Since this sign is included in the num-
ber of digits in the integer part, the maximum digit number is reduced by 1. When
this item is not selected, a negative numeric value is displayed as an absolute
value.
Ticked:
Numeric values are displayed without a sign.
Not ticked:
Numeric values are displayed with a sign.
Without a sign
With a sign
Reference:
How a numeric value is displayed according to the setting for [Integer], [Decimal],
[Zero Suppression], and [Display Sign] is shown below.
Integer Decimal
Zero
Suppression
Display Sign
Data Stored
in Numeral
Table
Display on
the Screen
3
0
Not ticked
Check mark not set
12
012
3
0
Not ticked
Check mark not set
–12
012
3
0
Ticked
Check mark not set
12
12
3
0
Ticked
Check mark not set
–12
12
3
0
Ticked
Check mark set
12
12
3
0
Ticked
Check mark set
–12
–12
3
1
Not ticked
Check mark not set
1
000.1
3
1
Not ticked
Check mark not set
–12
001.2
2
1
Not ticked
Check mark set
1
00.1
2
1
Not ticked
Check mark set
–12
–01.2
2
1
Ticked
Check mark set
1
0.1
2
1
Ticked
Check mark set
–12
–1.2
*:
With conventional PT models, negative numeric value data is prefixed by F.
For example, –12 is set as F0000012.
With the NT21, NT31, NT31C, NT631, and NT631C, numeric values are
stored as signed binary data.
Word setting for an element
Specify the PC (PLC) address used for reading and writing by an element such
as memory table entry, lamp, or touch switch.
For a numeral or character string memory table entry (string table), specify the
lower address or the least significant address of the word to be referred to.
For a lamp, a touch switch, or a bit memory table entry, specify the allocated bit
number.
When specifying a bit, specify the address of the word and the bit position in the
word that is referred to
Note that, timer (TIM) and counter (CNT) cannot be set for bits or character string
words.
Using PLC address setting dialog box
Normally, a button for displaying the PLC address setting dialog is provided for
PLC address input field.
Содержание NT-SERIES - SUPPORT TOOL FOR WINDOWS V4
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