NORD Drivesystems BU0550 - Manual (Page 33)

3 AWL (Instruction List, IL)
BU 0550 GB-0813 33
3.2.4.4 OR and OR(
Bit-wise OR linking of the AE/accumulator with one or two variables or constants.
Bit-wise OR(...) 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
OR 204 OR link between 2 constants
LD 170 Link between a constant and 2 variables.
OR Var1, Var2 Accumulator = 170d OR Var1OR Var2
LD Var1
OR ( Var2 AE/Accumulator = Var1 OR ( Var2 AND Var3 )
AND Var3
)
Table 31 OR and OR(
3.2.4.5 ORN and ORN(
Bit-wise OR linking of the AE/accumulator with a negated operand.
Bit-wise OR (...) linking of the AE/accumulator and the negated result of the bracket. Up to 6 bracket levels
are possible.
The values to be linked must belong to the same type of variable.
BOOL BYTE INT DINT
Possible data types X X X X
Commands Explanation
LD 2#0000_1111
ORN 2#0011_1010 ORN link between 2 constants
Accu = 2#1100_1111
LD 170 Link between a constant and 2 variables.
ORN Var1, Var2 Accu = 170d ORN Var1 ORN Var2
LD Var1
ORN ( Var2 AE/Accu = Var1 ORN ( Var2 OR Var3 )
OR Var3
)
Table 32 ANDN and ANDN(
AE/Accu Operand Result
0 0 0
0 1 1
1 0 1
1 1 1
AE/Accu Operand Result
0 0 1
0 1 0
1 0 1
1 1 1