Operator: __POUNAME The operator is an extension of the IEC

According to the IEC

when calculating with IEC

Operator: SHR The IEC operator is used for bitwise

Operator: TRUNC The IEC operator is used for converting

complies with the IEC [...] of IEC variables

Operator: TRUNC_INT The IEC operator is used for converting

is an extension of the IEC

Operator: XSIZEOF The operator is an extension of the IEC

Operator: SEL The IEC operator is used for bitwise