Siemens SINUMERIK 808D ADVANCED Commissioning Manual page 369

Function name
tan
arcsin
arcos
Commissioning Manual
01/2017
Description
The function calculates the tangent of the value transferred in de-
grees.
Parameter:
double - angle
Syntax:
<function name="tan" return="<double val>"> double
</function>
Example:
<let name= "tan_val" type="double"></let>
<function name="tan" return="tan_val"> 20.0
</function>
The function calculates the arcsine of the value transferred in de-
grees.
Parameter:
double - x in the range from -PI/2 to +PI/2
Syntax:
<function name="arcsin" return="<double val>"> dou-
ble </function>
Example:
<let name= "arcsin_val" type="double"></let>
<function name="arcsin" return="arcsin_val"> 20.0
</function>
The function calculates the arccosine of the value transferred in
degrees.
Parameter:
double - x in the range from -PI/2 to +PI/2
Syntax:
<function name="arcos" return="<double val>"> dou-
ble </function>
Example:
<let name= "arccos_val" type="double"></let>
<function name="arccos" return="arccos_val"> 20.0
</function>
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