HEIDENHAIN TNC 640, User Manual, Page: 420 / 948

Programming Q Parameters | Additional functions
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HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
Group
name Gruppen-
nummerID Systemdaten-
nummer Index Description
Read data from the point table
1-3 X/Y/Z Read value from active point table.
10 Read value from active point table.
520 Row number
11 Read value from active point table.
Read or write the active preset
530 1 - Number of the active preset in the active
preset table.
Active pallet preset
1 - Number of the active pallet preset.
Returns the number of the active preset. If
no pallet preset is active, the function returns
the value
–
1.
540
2 - Number of the active pallet preset.
As with NR1.
Values for the basic transformation of the pallet preset
547 row number Axis Read values of the basic transformation from
the pallet preset table.
Index: 1 - 6 ( X, Y, Z, SPA, SPB, SPC )
Axis offsets from the pallet preset table
548 Row number Offset Read values of the axis offsets from the
pallet preset table.
Index: 1 - 9 ( X_OFFS, Y_OFFS, Z_OFFS,... )
OEM offset
558 Row number Offset Read values for OEM offset.
Index: 1 - 9 ( X_OFFS, Y_OFFS, Z_OFFS,... )
Read and write the machine status
2 1-30 Freely available; not deleted during program
selection. 590
3 1-30 Freely available; not deleted during a power
failure (persistent storage).
Read/write look-ahead parameter of a single axis (at machine level)
1 - Minimum feed rate ( MP_minPathFeed ) in
mm/min
2 - Minimum feed rate at corners ( MP_min-
CornerFeed ) in mm/min
3 - Feed-rate limit for high speeds
(
MP_maxG1Feed ) in mm/min
4 - Max. jerk at low speeds ( MP_maxPathJerk )
in m/s 3
5 - Max. jerk at high speeds ( MP_maxPath-
JerkHi ) in m/s 3
610
6 - Tolerance at low speeds ( MP_pathTolerance )
in mm