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5 comparison operators – NORD Drivesystems BU0550 User Manual

Page 37

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3 AWL (Instruction List, IL)

BU 0550 GB-0813

37

3.2.5

Comparison operators

Operator

Explanation

EQ

Equal to

GE

Greater or equal to

GT

Greater

LE

Less than or equal to

LT

Smaller

NE

Not equal to

Table 40 Overview of comparison operators

3.2.5.1

EQ

Compares the content of the accumulator with a variable or constant. If the values are equal, the AE is set
to TRUE.

BOOL

BYTE

INT

DINT

Possible data types

X

X

X

Commands

Explanation

LD Value1

Value1 = 5

EQ 10

AE = Is 5 equal to 10 ?

JMPC NextStep

AE = FALSE

Program does not jump

ADD 1

NextStep:

ST Value1

Table 41 EQ

3.2.5.2

GE

Compares the content of the accumulator with a variable or constant. If the value in the accumulator is
greater than or equal to the variable or constant, then the AE is set to TRUE.

BOOL

BYTE

INT

DINT

Possible data types

X

X

X

Commands

Explanation

LD Value1

Value1 = 5

GE 10

Is 5 greater than or equal to 10?

JMPC NextStep

AE = FALSE

Program does not jump

ADD 1

NextStep:

ST Value1

Table 42 GE