Programming manual.
CNC 8070
22.
STATEMENTS AND INSTRUCTIONS
Flow controlling instructions
·438·
(REF: 1709)
22.2.5 Conditional block repetition ($WHILE)
$WHILE <CONDITIONN> ... $ENDWHILE
The following parameter is defined in this instruction:
While the condition is true, it executes the blocks contained between $WHILE and
$ENDWHILE. The condition is analyzed at the beginning of each new repetition.
The $BREAK instruction lets ending block repetition even if the stop condition is not met.
The execution of the program will continue at the block after $ENDWHILE.
The $CONTINUE instruction starts the next repetition even when the current one has not
finished. The blocks programmed after $CONTINUE up to $ENDWHILE will be ignored in
this repetition.
<condition> It may be a comparison between two numbers, parameters or arithmetic
expressions whose result is a number.
...
N20 $WHILE P1<= 10
N30 P1=P1+1
N40...
N50...
N60 $ENDWHILE
...
While P1 is smaller than or equal to 10, it executes blocks N30 through N50.
...
N20 $WHILE P1<= 10
N30...
N40 $IF P2==2
N50 $BREAK
N60 $ENDIF
N70...
N80 $ENDWHILE
...
Block repetition stops if P1 is greater than 10, or if P2 = 2.
...
N20 $WHILE P1<= 10
N30...
N40 $IF P0==2
N50 $CONTINUE
N60 $ENDIF
N70...
N80...
N80 $ENDWHILE
...
If P0=2, it ignores blocks N70 through N80 and it starts a new repetition at N20.
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