This IEC operator is used for the bitwise ‎OR‎ of bit operands.

When at least one of the input bits yields 1, the output bit also yields 1; otherwise 0.

Permitted data types: ‎BOOL‎, ‎BYTE‎, ‎WORD‎, ‎DWORD‎, ‎LWORD‎

Examples

Result in ‎Var1‎ ist ‎2#1001_1011‎

ST:

Var1 := 2#1001_0011 OR 2#1000_1010;

FBD: