Siemens SINUMERIK 840D sl Programming Manual page 49

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For more information on the GOTO commands, see Chapter 10, Arithmetic parameters and

program jumps

In cases where the constant matches none of the predefined values, the DEFAULT

statement can be used to determine the branch destination.

If the DEFAULT statement is not programmed, the jump destination is the block following the

CASE statement.

CASE(expression) OF 1 GOTOF LABEL1 2 GOTOF LABEL2 ... DEFAULT GOTOF

"1" and "2" are possible constants.

If the value of the expression = 1 (INT constant), jump to block with LABEL1

If the value of the expression = 2 (INT constant), jump to block with LABEL2

otherwise jump to the block with LABELn

DEF INT VAR1 VAR2 VAR3

CASE(VAR1+VAR2-VAR3) OF 7 GOTOF LABEL1 9 GOTOF LABEL2 DEFAULT GOTOF LABEL3

LABEL1: G0 X1 Y1

LABEL2: G0 X2 Y2

LABEL3: G0 X3 Y3

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Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0

Flexible NC programming

1.11 CASE statement