Lenze PLC Designer PLC Designer (R2-x) - Manual (Page 504)

L-force | PLC Designer
IEC Operators and additional norm extending functions
502 DMS 3.2 EN 02/2011 TD29

9.10.12 EXPT
PLC Designer IEC operator: Exponentiation of a variable with another variable:
OUT = IN1IN2.
IN1 and IN2 can be type BYTE, WORD, DWORD, INT, DINT, REAL, SINT, USINT, UINT,
UDINT, OUT must be type REAL.
Example in IL:
LD 7
EXPT 2
ST var1 (* Result is 49 *)
Example in ST:
var1 := EXPT(7,2);
Example in FBD: