HEIDENHAIN TNC 620 User Manual page 22

Fundamentals
TNC model, software and features
New functions 81760x-04
New function FUNCTION DWELL for programming a dwell time,
see "Dwell time FUNCTION DWELL", page 432
The column OVRTIME has been added to the tool table, see
"Enter tool data into the table", page 200
During a manual touch probe cycle, control can be transferred
to the handwheel, see "Traverse movements with a handwheel
with display", page 514
Several handwheels can be connected to a control, see
"Traverse with electronic handwheels", page 487
In Electronic handwheel mode of operation, the handwheel
axis for an HR 130 can be selected with the orange axis keys
If the control is set to the INCH unit of measure, the control also
includes movements traversed by the handwheel in INCHES,
see "Traverse with electronic handwheels", page 487
The D18 functions have been expanded, see "D18 – Reading
system data", page 347
The D16 functions have been expanded, see "D16 – Formatted
output of text and Q parameter values", page 342
The file saved with SAVE AS is now also found in the file
management under LAST FILES, see "Editing a program",
page 133
If you save files with SAVE AS, you can select the target
directory with the SWITCH soft key, see "Editing a program",
page 133
File management displays vertical scrollbars and supports
scrolling with the mouse, see "Calling the file manager",
page 143
New machine parameter for recreating M7 and M8, see
"Machine-specific user parameters", page 624
The function STRLEN checks whether a string parameter has
been defined, see "Finding the length of a string parameter",
page 368
The function SYSSTR enables the NC software version to be
read out, see "Reading system data", page 365
The function D38 can now be programmed without a code
number
Undefined Q parameters can now be transferred with the
function D00
For jumps with D09, QS parameters and texts are permitted as
conditions, see "Programming if-then decisions", page 334
Cylindrical workpiece blanks can now also be defined with a
diameter instead of a radius, see "Define the blank: G30/G31",
page 127
The transitional elements G24 and G25 can now also be
executed between 3-D contours, i.e. with straight line blocks
with three programmed coordinates or a helix
The control now supports spatial arcs, i.e. circles in 3 axes
vertical to the working plane, see "Circular path around circle
center ", page 257
Active kinematics is displayed in the 3D-ROT menu, see
"Activating manual tilting:", page 545
22
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016