Lenze PLC Designer PLC Designer (R3-1) - Manual (Page 1079)

L-force | PLC Designer
Programming Reference
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DMS 4.1 EN 03/2011 TD29 1077
ASIN
IEC Operator: Returns the arc sine (inverse function of sine) of a number. .
The input variable can be of any numeric basic data type, the output variable must be
type REAL or LREAL.
Example in IL: ( Result in q is 0.523599 *)
Example in ST:
q:=ASIN(0.5);
Example in FBD:
ACOS
IEC Operator: Returns the arc cosine (inverse function of cosine) of a number. The value
is calculated in arch minutes.
The input variable can be of any numeric basic data type, the output variable must be
type REAL or LREAL.
Example in IL: ( Result in q is 1.0472 )
Example in ST:
q:=ACOS(0.5);
Example in FBD: