Lenze PM94P01C Manual de usuario descargar pdf (Pagina 47)

PM94P01C 45

Programming

2.9.4 IF Structure

The “IF” statement is used to execute an instruction or block of instructions one time if a condition is true. The simpliﬁed

syntax for the IF statement is:

IF condition

…statement(s)

ENDIF

The ﬂowchart and code segment in Figure 17 illustrate the use of the IF statement.

…statements

IF IN_A2

OUT2 = 1

MOVED 3

ENDIF

..statements

Start

Set Output 2 ON

Move Distance 3

units

End

Yes

Input A2 ON?

Figure 17: IF Code and Flowchart

2.9.5 IF/ELSE Structure

The IF/ELSE statement is used to execute a statement or a block of statements one time if a condition is true and a

different statement or block of statements if condition is false.

The simpliﬁed syntax for the IF/ELSE statement is:

IF <condition>

…statement(s)

ELSE

…statement(s)

ENDIF

The ﬂowchart and code segment in Figure 18 illustrate the use of the IF/ELSE instruction.

…statements

IF IN_A2

OUT2=1

MOVED 3

ELSE

OUT2=0

MOVED 5

ENDIF

..statements

Start

Input A2 ON?

Set Output 2 ON

Move Distance 3

units

End

Yes

Set Output 2 OFF

Move Distance 5

units

Figure 18: IF/ELSE Code and Flowchart

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Lenze PM94P01C Manual de usuario Pagina 47

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