3.3 OR, OR/ (OR, OR NOT)
3.3 OR, OR/ (OR, OR NOT)
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Ladder diagram
X100
R0
R1
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Devices that can be specified (indicated by ●)
Operand
OR, OR/
bit
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Outline of operation
Type of
Operation
instruction
Executes an OR operation with the preceding operation result in parallel connection by treating
OR
the input contact specified by the OR instruction as a Form A (normally open).
Executes an OR operation with the preceding operation result in parallel connection by treating
OR/
the input contact specified by the OR/ instruction as a Form B (normally closed).
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Operation Example
Program operation of "OR" and "OR/" in the ladder diagram
If any of the conditions of X100 ON, R1 ON, or R2 OFF is satisfied, the result is output to Y110.
3-6
OR
OR/
Bit device
X
Y
R
L
T
C
●
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●
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Y110
S
O
P
E
IN
R
T
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●
●
●
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Specification of bit of
word device
DT.n
LD.n
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WUME-FP7CPUPGR-12
Index modifier
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