LDD>, ANDD>, ORD>
- 80 -
{ LDD>, ANDD>, ORD> ... Comparison of 32-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
3/4
D>
S2
Setting data
S2
S1
Comparison data or
head No. of device
where comparison
data is stored.
S1
D> S2S1
D>
S2S1
ORD>
ANDD>
LDD>
Function
(1) 32-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 LDD>, ANDD> and ORD> are as follow.
Command Execution conditions
LDD> Executed per scan
ANDD> Executed only when previous
contact command is ON
ORD> Executed per scan