Lenze PM94P01C - Manual (Page 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
NO
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
…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
No
Figure 18: IF/ELSE Code and Flowchart