5 comparison operation – IAI America SSEL User Manual
Page 140
118
Part 2 Programs
1.5 Comparison
Operation
z CP (Compare)
Command, declaration
Extension condition
(LD, A, O, AB, OB)
Input condition
(I/O, flag)
Command,
declaration
Operand 1
Operand 2
Output
(Output, flag)
EQ NE
GT GE
Optional Optional
CP
Variable
number
Data
LT LE
[Function]
The output will be turned ON if the comparison result of the content of the variable specified
in operand 1 and the value specified in operand 2 satisfies the condition.
The value in the variable does not change.
The output will be turned OFF if the condition is not satisfied.
(Note)
The output will not be turned OFF when the command is executed.
CP
EQ
Operand 1 = Operand 2
NE
Operand 1
z Operand 2
GT
Operand 1 > Operand 2
GE
Operand 1
t Operand 2
LT
Operand 1 < Operand 2
LE
Operand 1
d Operand 2
[Example 1]
LET
1
10
Assign 10 to variable 1.
CPEQ
1
10
600
Turn ON flag 600 if the content of variable 1
is 10.
600
ADD
2
1
Add 1 to variable 2 if flag 600 is ON.
[Example 2]
LET
1
10
Assign 10 to variable 1.
LET
3
10
Assign 10 to variable 3.
CPEQ
1
*3
310
Turn ON output 310 if the content of variable
1 (10) is equal to the content of variable 3.