Omron NT21 Series, Reference Manual

Page: 206 / 466

2-12 Section Inputting Numeric Values
197
also differs according to the settings made for Words and Storage Type (BCD or
Binary).
Numeral memory table
8-digit hexadecimal
(Can’t be read externally.)
Decimal
Hexadecimal
BCD
Binary
Set the data format in
which the values input at
the PT will be stored in the
numeral memory tables.
(Set in the Thumbwheel
Numeral Input properties.)
Set the data format in
which the numeral memory
table values will be stored
in the PC.
(Set with the numeral
memory table.)
BCD
Binary
The following table provides some examples:
Input nu-
meric val-
ue
Display
Type
Sign
Numeric value
stored in nu-
meral memory
table
Words
Storage
Type
Contents
of word at
host
1234 000004D2
H
1 word 1234
123
Un-
i d
0000007B
H
1 word 0123
1234
signed
000004D2
H
2
words
00001234
1234
Decimal
000004D2
H
1 word 1234
–123
Signed
FFFFFF85
H
(FF85
H
)
1 word
BCD
F123
–1234
g
FFFFFB2E
H
2
words
BCD
F0001234
000004D2 000004D2
H
1 word 1234
FF85
Hexadeci-
mal
–
FFFFFF85
H
(FF85
H
)
1 word F123
FFFFFB2E
mal
FFFFFB2E
H
2
words
F0001234
4660
Un
00001234
H
1 word 1234
268430796
Un-
signed
0FFFEDCC
H
2
words
0FFFEDCC
4660
Decimal
00001234
H
1 word 1234
–32768
Decimal
Signed
FFFF8000
H
(8000
H
)*
1 word 8000
–26843079
6
g
F0001234
H
2
words
Binary
F0001234
1234 00001234
H
1 word 1234
F123
Hexadeci-
mal
–
FFFFF123
H
(F123
H
)*
1 word F123
F0001234
mal
F0001234
H
2
words
F0001234
* The figures in parentheses are the values immediately after input. When data is
read from the host after input, it is converted to a 32-bit negative number and the
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