Panasonic FP Series Programming Manual page 628

POU header All input and output variables used for programming this function have been declared in the POU
header.
Body When the variable start is set to TRUE, the function is carried out. In this example, the value for
s2, i.e. the number of bytes to be converted from ASCII code to hexadecimal code, is entered
directly at the contact pin.
LD
ST When programming with structured text, enter the following:
IF start THEN
F72_A2HEX( s1_Start:= AscInput[0],
s2_Number:= 4,
d_Start=> HexOutput);
Conversion instructions
627