This IEC operator is used for the bitwise AND of bit operands. 
When the input bits all yield 1, the output bit also yields 1; otherwise 0.
Permitted data types: BOOL, BYTE, WORD, DWORD, LWORD
Examples
Result in var1 ist 2#1000_0010
ST:
var1 := 2#1001_0011 AND 2#1000_1010;
FBD:
