IEC operator⮫ “Overview”: Returns the arc sine (inverse function of sine) of a number.
IN can be type BYTE, WORD, DWORD, INT, DINT, REAL, SINT, USINT, UINT, UDINT, OUT must be type REAL.
Example in ST:
q:=ASIN(0.5);
Example in FBD:

IEC operator⮫ “Overview”: Returns the arc sine (inverse function of sine) of a number.
IN can be type BYTE, WORD, DWORD, INT, DINT, REAL, SINT, USINT, UINT, UDINT, OUT must be type REAL.
Example in ST:
q:=ASIN(0.5);
Example in FBD: