Mitsubishi Electric MELDAS C6 Programming Manual page 167

LD<>, AND<>, OR<> .... Comparison of 16-bit data (<>)
Bit device
X Y M L F B SB T SM V T
S1
S2
LD<>
AND<>
OR<>
Function
(1) 16-bit comparison operation is executed with "A" contact handling.
(2) The comparison operation results will be as follow.
Conditions
S1<>S2
S1=S2
Execution conditions
The execution conditions for LD<>, AND<> and OR<> are as follow.
Command
LD<>
AND<>
OR<>
Cautions
Each command of LD<>, AND<>, and OR<> cannot use a constant for S2. When S2 is a constant, it
operates as LDBII, ANDBII, and an ORBII command, respectively.
8. Function Commands
LD<>, AND<>, OR<>
Usable device
Word device
C D R W SW Z SD K
<> S1 S2
S1 S2
<>
<> S1 S2
Comparison operation results
Continuity state
Non-continuity state
Executed per scan
Executed only when previous contact command is ON
Executed per scan
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Con-
Pointer
stant
H P
(Note) (Note)
Setting data
Comparison data or
S1
head No. of device
where comparison
S2
data is stored.
Execution conditions
Digit
No. of
desig- Index
steps
nation
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