32 HEIDENHAIN Technical Manual MANUALplus 620
Configuring the
axes and spindle
New: Software option #70 – Y-axis machining
With a Y axis you can drill and mill a workpiece on its front, back and lateral
surfaces.
During use of the Y-axis, two axes interpolate linearly or circularly in the
given working plane, while the third axis interpolates linearly. This enables
you to machine slots or pockets, for example, with plane floors and
perpendicular edges. By defining the spindle angle, you can determine the
position of the milling contour on the workpiece.
If the Y axis is to be positioned at an angle not equal to 90° to the X or Z axis,
the Y axis can also be configured as an oblique axis.
For configuring the Y axis, please refer to “Configuring the Y axis" on page
1439. For information on programming the Y axis, please refer to the User’s
Manual for the control.
New: Software option #94 – W-axis support
The control can now offset the display of movements in the Z axis with
those of its parallel secondary axis W. The W axis is already configured in
the control kinematics and can be moved via the PLC.
For more information on the configuration of the W axis, please refer to
“Configuring parallel axes" on page 1446.
New: Spindle change key
Starting immediately, a spindle change key can be supported by the PLC. It
assigns the input (TSF dialog) to the selected spindle. The selected spindle
is identified in the corresponding display element of the dashboard, see
page 1410.
Enhanced: Backlash compensation
If nonlinear axis-error compensation is active, MP_backLash can now be
used to activate backlash compensation in addition to the
compensation-value tables, See "Axis Error Compensation" on page 705.
PLC
programming
Enhanced: Symbolic memory interface (API 3.0) – New operands
introduced:
Changed: Behavior of NN_ChnToolLifeExpired (tool life 1 expired)
The status of NN_ChnToolLifeExpired is now reset by the PLC runtime
system after the end of an NC program.
New: PLC process monitor
In the PLC programming mode you can use the MONITOR and PROCESS
MONITOR soft keys to open a status screen in which the control displays
all parallel processes, as well as the process for the submit queue. See
"Control of events" on page 1737.
PLC operand / Description Ty p e
NP_ChnProgSelected
NC program selected
This marker can be used to interrogate whether an NC
program is selected in the Program Run modes of
operation. The marker is not set if an NC program is
selected from a pallet table.
M
NN_ChnFeedRapidTraverseActive
0: Rapid traverse active (FMAX)
1: Rapid traverse not active
M
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