OR

Bitwise OR of bit operands. The operands should be of the type BOOL, BYTE, WORD or DWORD.

Example in IL:

var1 :BYTE;

LD 2#1001_0011

OR 2#1000_1010

ST var1 (* Result is 2#1001_1011 *)

Example in ST:

Var1 := 2#1001_0011 OR 2#1000_1010

Example in FBD: