Mitsubishi Electric MELDAS 60 Series Programming Manual page 78

LD=, AND=, OR= .... Comparison of 16-bit data (=)
Bit device
X Y M L SM F
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 Comparison operation results
S1=S2
S1= / S2
Execution conditions
The execution conditions for LD=, AND= and OR= are as follow.
Command
LD=
AND=
OR=
Usable device
Word device
T C D R Z
= S1
= S1
=
S1
Continuity state
Non-continuity state
Execution conditions
Executed per scan
Executed only when previous
contact command is ON
Executed per scan
Con-
Pointer
stant
K H P
S2
S2
S2
- 70 -
LD=, AND=, OR=
Digit
No. of
desig-
Level steps Index
nation
N
3
Setting data
Comparison data or
S1
No. of device where
comparison data is
S2
stored.