HEIDENHAIN TNC 640 (34059x-05) - Manual (Page 308)

Programming: Q Parameters
9.6 If-then decisions with Q parameters
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TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 1/2015
Programming if-then decisions
Press the JUMP soft key to call the if-then conditions. The TNC
then displays the following soft keys:
Soft key Function
FN 9: IF EQUAL, JUMP
e. g.
FN 9: IF +Q1 EQU +Q3 GOTO LBL
“UPCAN25“
If both values or parameters are equal, jump to
specified label
FN 9: IF UNDEFINED, JUMP
e. g.
FN 9: IF +Q1 IS UNDEFINED GOTO LBL
“UPCAN25“
If the given parameter is undefined, jump to the
specified label
FN 9: IF DEFINED, JUMP
e. g.
FN 9: IF +Q1 IS DEFINED GOTO LBL
“UPCAN25“
If the given parameter is defined, jump to the
specified label
FN 10: IF UNEQUAL, JUMP
e. g.
FN 10: IF +10 NE –Q5 GOTO LBL 10
If both values or parameters are unequal, jump
to specified label
FN 11: IF GREATER, JUMP
g. g.
FN 11: IF+Q1 GT+10 GOTO LBL 5
If the first value or parameter is greater than the
second value or parameter, jump to specified
label
FN 12: IF LESS, JUMP
e. g.
FN 12: IF+Q5 LT+0 GOTO LBL
“ANYNAME“
If the first value or parameter is smaller than the
second value or parameter, jump to specified
label