Chapter 8 Logic Instructions
8.8.15 ASIN
FC
ASIN is used to get the arc sine of a number and the result is output to Out.
The unit of Out is radian.
DVP15MC11T
Parameters
Meaning
Description Valid range
In
Number to
process
Input Number to process
Depends on the data type of
the variable that the input
parameter is connected to.
Out
Output Operation result -π/2 ~ π/2
Boolean
Bit string Integer
Real
number
Time, date
String
BOOL
BYTE
WORD
DWORD
LWORD
USINT
UINT
UDINT
ULINT
SINT
INT
DINT
LINT
REAL
LREAL
TIME
DATE
TOD
DT
STRING
In
● ● ● ● ● ● ● ● ● ● ● ● ● ●
Out
●
Note:
The symbol ● indicates that the parameter is allowed to connect to the variable or constant of the data type.
Function Explanation
ASIN is used to calculate the arc sine of the input parameter In and the result is output to Out.
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