HEIDENHAIN TNC 620 User Manual page 551

Tables and overviews | System data
The following is a complete list of the FN 18: SYSREAD functions.
Please be aware that not all functions are available depending on the
model of your control.
Group Group number
name ID...
Program information
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HEIDENHAIN | TNC 620 | Klartext Programming User's Manual | 01/2022
System data Index IDX...
number NO....
3 -
6 -
7 -
8 1
2
9 -
103 Q parameter
number
110 QS parameter
number
111 QS parameter
number
Description
Number of the active machining cycle
Number of the most recently executed touch
probe cycle
–1 = None
Type of calling NC program:
–1 = None
0 = Visible NC program
1 = Cycle/macro, main program is visible
2 = Cycle/macro, there is no visible main
program
Unit of measure of the directly calling NC pro-
gram (may also be a cycle).
Return codes:
0 = mm
1 = inch
–1 = there is no corresponding program
Unit of measure of the NC program visible in
the block display from which the current cycle
was called directly or indirectly.
Return codes:
0 = mm
1 = inch
–1 = there is no corresponding program
Within an M function macro:
Number of the M function. Otherwise –1
Relevant within NC cycles; for inquiry as to
whether the Q parameter given under IDX was
explicitly stated in the associated CYCLE DEF.
Is there a file with the name QS(IDX)?
0 = No, 1 = Yes
This function resolves relative file paths.
Is there a directory with the name QS(IDX)?
0 = no, 1 = Yes
Only absolute directory paths are possible.
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