2 lt, 3 le, 4 ge – Lenze DDS v2.3 User Manual
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IEC 61131-3 Operators
12-11
l
DDS EN 2.3
12.5.2
LT
Less than
A Boolean operator with the result TRUE if the first operand is less than the second operand.
Examples
IL
ST
FBD
LD
20
LT
30
ST
Var1
(* Var1 = TRUE *)
Var1 := 20 < 30;
12.5.3
LE
Less than or equal to
A Boolean operator with the result TRUE if the first operand is less than or equal to the second
operand.
Examples
IL
ST
FBD
LD
20
LE
30
ST
Var1
(* Var1 = TRUE *)
Var1 := 20 <= 30;
12.5.4
GE
Greater than or equal to
A Boolean operator with the result TRUE if the first operand is greater than or equal to the second
operand.
Examples
IL
ST
FBD
LD
60
GE
40
ST
Var1
(* Var1 = TRUE *)
Var1 := 60 >= 40;
12.5.5
EQ
Equal to
A Boolean operator with the result TRUE if the operands are equal to each other.
Examples
IL
ST
FBD
LD
40
EQ
40
ST
Var1
(* Var1 = TRUE *)
Var1 := 40 = 40;
12.5.6
NE
Not equal to
A Boolean operator with the result TRUE if the operands are not equal to each other.
Examples
IL
ST
FBD
LD
40
NE
40
ST
Var1
(* Var1 = FALSE *)
Var1 := 40 <> 40;
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