Fneg (Floating Point Real Number Data - Sign Changes (Negative/Positive Conversion)) - Panasonic FP7 Series Command Reference Manual

11.20 FNEG (Floating Point Real Number Data - Sign Changes (Negative/
11.20 FNEG (Floating Point Real Number Data - Sign Changes
(Negative/Positive Conversion))
■
Ladder diagram
■
Available operation units (●: Available)
Operatio
bit
n unit
i
■
List of operands
Operand Description
S Calculation target data (device address or constant)
D Calculation result (device address)
■
Available devices (●: Available)
Operan
d
W W
X Y
S ● ●
D ● ●
(Note 1) Only 16-bit devices, and 32-bit devices can be modified (real number constants cannot be specified).
(Note 2) Index register (I0 to IE)
(Note 3) Can be specified only when the operation unit is a single-precision floating point real number (SF).
(Note 4) Can be specified only when the operation unit is a double-precision floating point real number (DF).
■
Outline of operation
● According to the operation unit [i], the sign (negative or positive) of the real number value
stored in the area starting with [S] is inverted.
● The calculation result is stored in the area starting with [D].
WUME-FP7CPUPGR-12
US
16-Bit device:
W W W S D L
R L S D T D
● ● ● ●
● ● ● ●
SS UL
32-Bit
device:
TS TE
U W
WI
C C
M O
S E
● ● ● ● ●
● ● ● ●
Positive Conversion))
SL SF
●
Real
Integer numbe
r
D
IX SF
F
(N (N
(N
K H
Ｕ
ote ote
ote
2) 3)
4)
● ● ●
●
DF
●
St
rin
g
Index
modifie
r
(Note 1)
" "
●
●
11-41