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FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
18 Floating Point – FNC110 to FNC139
18.19 FNC131 – COS / Floating Point Cosine
18.19 FNC131 – COS / Floating Point Cosine
Outline
This instruction obtains the cosine value of an angle (in radians).
→ For handling of floating point, refer to Subsection 5.1.3.
1. Instruction format
2. Set data
3. Applicable devices
Explanation of function and operation
1. 32-bit operation (DCOS and DCOSP)
A value of angle (binary floating point) specified in [ +1, ] is converted into the cosine value, and
transferred to [ +1, ].
Operand Type Description Data Type
Device number storing an angle (in radians) in binary floating point
Real number (binary)
Device number storing the cosine value in binary floating point
Oper-
and
Type
Bit Devices Word Devices Others
System User Digit Specification System User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
XYMTCSD.b KnX KnY KnM KnS T C D R U\G V Z Modify K H E ""P
−
Mnemonic Operation Condition
16-bit Instruction
DCOS
DCOSP
Mnemonic Operation Condition
32-bit Instruction
9 steps
Continuous
Operation
Pulse (Single)
Operation
P
FNC 131
COS
D
S
D
S
D
S
S
D
D
Command
input
FNC131
DCOS
S
D
[ +1, ] RAD
→
[ +1, ] COS
Binary floating point Binary floating point
S
S
D
D
+1
+1
Value in radians (Value in degrees
× π
/180)
Binary floating point
Cosine value
Binary floating point
S
D
S
S
D
D