553
Logic Instructions Section 3-13
Flags
Precautions When ORW(035) is executed, the Error Flag will turn OFF.
If as a result of the OR, the content of R is 0000 hex, the Equals Flag will turn
ON.
If as a result of the OR, the leftmost bit of R is 1, the Negative Flag will turn
ON.
3-13-4 DOUBLE LOGICAL OR: ORWL(611)
Purpose Takes the logical OR of corresponding bits in double words of word data and/
or constants.
Ladder Symbol
Variations
Applicable Program Areas
Operand Specifications
011
000
I
1
I
2
R
Name Label Operation
Error Flag ER OFF
Equals Flag = ON when the result is 0.
OFF in all other cases.
Negative Flag N ON when the leftmost bit of R is 1.
OFF in all other cases.
ORWL(611)
I
1
I
2
R
I
1
: Input 1
I
2
: Input 2
R: Result word
Variations Executed Each Cycle for ON Condition ORWL(611)
Executed Once for Upward Differentiation @ORWL(611)
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification Not supported.
Block program areas Step program areas Subroutines Interrupt tasks
OK OK OK OK
Area I
1
I
2
R
CIO Area CIO 0000 to CIO 6142
Work Area W000 to W510
Holding Bit Area H000 to H510
Auxiliary Bit Area A000 to A958 A448 to A958
Timer Area T0000 to T4094
Counter Area C0000 to C4094
DM Area D00000 to D32766
EM Area without bank E00000 to E32766
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