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18 Applied Instructions (Floating Point)
18.18 DSIN / Floating Point Sine
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
18.18 DSIN / Floating Point Sine
Outline
This instruction determines the SIN value of angle (RAD).
→ As for handling of floating decimal point, refer to FX Structured Programming Manual [Device &
Common].
1. Format and operation, execution form
2. Set data
3. Applicable devices
S: Refer to "Cautions".
Function and operation explanation
1. 32-bit operation (DINT, DINTP)
The value of angle (binary floating decimal point) specified by is converted into SIN value, and is
transferred to the device specified by .
FX3U(C) FX3G(C) FX3S FX2N(C) FX1N(C) FX1S FXU/FX2C FX0N FX0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder/FBD ST
DSIN 32 bits Continuous DSIN(EN, s, d);
DSINP 32 bits Pulse DSINP(EN, s, d);
Variable Description Data type
Input
variable
EN Execution condition Bit
Device for storing the RAD (angle) of binary floating decimal point.
FLOAT(Single
Precision)
Output
variable
ENO Execution state Bit
Device for storing the SIN value of binary floating decimal point.
FLOAT(Single
Precision)
Operand
type
Bit Devices Word Devices Others
System user Digit designation
System
user
Special
unit
Index
Cons
tant
Real
Number
Character
String
Pointer
XYMTCS
D
.b
KnX KnY KnM KnS T C D R
U\G
VZModifierKH E
"
"
P
z
S1 S1
z
S1
z
S1 S1
z
DSIN
EN ENO
d
s
DSINP
EN ENO
d
s
RAD value (angle × π/180)
Binary floating decimal point value is specified.
SIN value
Binary floating decimal point value
+1
+1
s
d
s
dd
s
Binary floating decimal
point value
Binary floating decimal
point value
[ +1, ]RAD
d
s s
[ +1, ]SIN
d
→
DSIN
EN ENO
d
s
Command
input
Device for storing
RAD (angle)
Device for storing
SIN value