Chapter 8 Logic Instructions
8.8.14 TAN
FC
TAN is used to get the tangent of a number and the result is output to Out.
The unit of In is radian.
DVP15MC11T
Parameters
Meaning
Description Valid range
In
Radians to
process
Input Radians to process
Depends on the data type of
the variable that the input
parameter is connected to.
Out
Operation
result
Output Operation result
Depends on the data type of
the variable that the output
parameter is connected to.
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
TAN is used to calculate the tangent of the input parameter In and the result is output to Out.
Out
In
-2
3
2
-2 2
3
2
22
-
1
-1
0
-
In
: ( ) Angle i n radians data
Out:
Result (Tangent)
π π π
π π
π π π
8-83