6.2 Arithmetic Operation Instructions
6.2.10 Floating-point data addition and subtraction (double precision)
6-45
6
BA
S
IC
INSTRUCTIONS
ED+, ED-
ED+, ED-
6.2.10
Floating-point data addition and subtraction (double
precision)
ED+, ED-
F
unct
i
on
ED+(P)
(1) Adds the 64-bit floating-point real number specified for
and the 64-bit floating-point real
number specified for
, and stores the sum to the variable specified for
.
(2) Values which can be specified for
,
and
, and which can be stored, are as follows:
0, 2
-1022
| specified value (storing value) | < 2
1024
ED+(P)
ED-(P)
P: Executing condition
:
indicates any of the following
instructions.
ED+
ED+P
ED-
ED-P
Input argument,
EN:
Executing condition
: Bit
s1:
Data to be added or subtracted
: Double-precision real
s2:
Addition or subtraction data
: Double-precision real
Output argument,
ENO:
Execution result
: Bit
d:
Operation result
: Double-precision real
Argument
Internal device
R, ZR
J
\
U
\G
Zn
Constant
E
Others
Bit
Word
Bit
Word
−
−
−
−
−
−
−
−
−
−
U
n
i
versa
l
UD
Hi
g
h
Per
f
ormance
Structured ladder
ST
ED+
EN
ENO
s
1
d
s
2
Not su
pp
orted
s
1
s
2
d
s
1
s
2
d
s
1
s
2
d
6
4-
b
it
f
loating-
p
oint
real num
b
er
+
6
4-
b
it
f
loating-
p
oint
real num
b
er
6
4-
b
it
f
loating-
p
oint
real num
b
er
s
1
s
2
d
Содержание MELSEC Q Series
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