Mitsubishi Electric MELDAS C6 Programming Manual page 163

LD<, AND<, OR<, 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<
LD<=
AND<=
OR<=
Function
(1) 16-bit comparison operation is executed with "A" contact handling.
(2) The comparison operation results will be as follow.
Command
LD<, AND<, OR<
LD<=, AND<=, OR<=
Execution conditions
The execution conditions for LD<, AND<, OR<, LD<=, AND<= and OR<= are as follow.
Command
LD<, LD<=
AND<, AND<=
OR<, OR<=
8. Function Commands
LD<, AND<, OR<, LD<=, AND<=, OR<=
Usable device
Word device
C D R W SW Z SD K
< S1 S2
< S1 S2
< S1 S2
<= S1 S2
S1 S2
<=
S1
<= S2
Conditions
S1<S2
S1>=S2
S1<=S2
S1>S2
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
No. of device where
comparison data is
S2
stored.
Setting data
Comparison data or
S1
No. of device where
comparison data is
S2
stored.
Comparison operation results
Continuity state
Non-continuity state
Non-continuity state
Continuity state
Execution conditions
Digit
No. of
desig- Index
steps
nation
3