Lenze PLC Designer PLC Designer (R3-1) - Manual (Page 1080)

L-force | PLC Designer
Programming Reference
1078 DMS 4.1 EN 03/2011 TD29

ATAN
IEC Operator: Returns the arc tangent (inverse function of tangent) 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 0.463648 )
Example in ST:
q:=ATAN(0.5);
Example in FBD:
EXPT
IEC Operator: Exponentiation of a variable with another variable:
OUT = IN1IN2.
The input variable can be of any numeric basic data type, the output variable must be
type REAL or LREAL.
Example in IL: ( Result is 49 )
Example in ST:
var1 := EXPT(7,2);
Example in FBD: