Mitsubishi MELSEC-Q/L Programming Manual page 513

[Operations involved when the D0 and D1 value is 0.5]
D1 D0
SIN
0 . 5
32-bit floating-point
real number
Conversion
D21 D20
toBIN
3 0
32-bit floating-point
real number
7.12.8 ASIND, ASINDP Arc sine operation on floating-point data (Double
precision)
7.12.8
ASIND, ASINDP
ASIND
ASINDP
-1
: SIN value of which the SIN (inverse sine) value is obtained or head number of the devices where the SIN value is stored (real number)
S
: Head number of the devices where the operation result will be stored (real number)
D
Setting Internal Devices
Data
Bit Word
––
S
––
D
Function
(1) The angle is calculated from the SIN (sine) value specified by
S +3 S +2 S +1
1
SIN (
64-bit floating-point
real number
(2) The SIN value designated by
(3) The angle (operation result) stored at
For more information on the conversion between radian and angle data, see description of RADD and DEGD
instructions.
(4) When the operation results in -0 or an underflow, the result is processed as 0.
D11 D10
-1
operation
0 . 5 2 3 5 9 8 8
ASIN 32-bit floating-point
real number
Conversion to angle
DEG
D30
BCD operation
b15 b0
30
BIN value
INT BCD
Command
Command
J \
R, ZR
Bit
S D +3 D
)
64-bit floating-point
real number
can be in the range from -1.0 to 1.0.
S
is stored in radian units.
D
Y4F Y40
0 0 3 0
BCD value
High
Basic
performance
ASIND
ASINDP
U \G
Word
––
––
is and its result is stored into the device specified by
S
+2 D +1 D
ASIND, ASINDP
Process Redundant Universal LCPU
S D
S D
Constants
Zn Other
E
––
1
2
3
4
4
6
7
––
8
––
.
D
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