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LD<, AND<, OR<
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{ LD<, AND<, OR< .... Comparison of 16-bit data (<)
Usable device
Bit device Word device
Con-
stant
Pointer Level
X Y M L SM F T C D R Z K H P N
Digit
desig-
nation
No. of
steps
Index
S1
S2
3
S2S1
Setting data
AND<
S2
S1
S2
S1
OR<
S2S1
LD<
<
<
<
Comparison data or
No. of device where
comparison data is
stored.
Function
(1) 16-bit comparison operation is executed with "A" contact handling.
(2) The comparison operation results will be as follow.
Conditions Comparison operation results
S1<S2 Continuity state
S1>=S2 Non-continuity state
Execution conditions
The execution conditions for LD<, AND< and OR< are as follow.
Command Execution conditions
LD< Executed per scan
AND< Executed only when previous
contact command is ON
OR< Executed per scan