NORD Drivesystems BU0550 - Manual (Page 31)

3 AWL (Instruction List, IL)
BU 0550 GB-0813 31
3.2.4 Bit Operations
Operator Explanation
AND AND
ANDN AND with negated operand
NOT Negation
OR OR
ORN OR with negated operand
ROL Rotate left
ROR Rotate right
SHL Shift left
SHR Shift right
S and R Set and Reset
XOR Exclusive OR
XORN Exclusive OR with negated operand
Table 27 Overview of Bit operations
3.2.4.1 AND and AND(
Bit-wise AND linking of the AE/accumulator with one or two variables or constants.
Bit-wise AND(...) linking with the AE/accumulator and the AE/accumulator which was previously formed in
the bracket. Up to 6 bracket levels are possible.
All values must belong to the same type of variable.
BOOL BYTE INT DINT
Possible data types X X X X
Commands Explanation
LD 170
AND 204 AND link between 2 constants
Accu = 136 (See example under the table)
LD 170 Link between a constant and 2 variables.
AND Var1, Var2 Accu = 170
dec
AND Var1 AND Var2
LD Var1
AND ( Var2 AE/Accu = Var1 AND ( Var2 OR Var3 )
OR Var3
)
Table 28 AND and AND(
Example: 170
dec
(1010 1010
bin
) AND 204
dec
(1100 1100
bin
) = (1000 1000
bin
) 136
dec
AE/Accu Operand Result
0 0 0
0 1 0
1 0 0
1 1 1