HEIDENHAIN TNC 620 User Manual page 12

Fundamentals
TNC model, software and features
New functions
New Functions 73498x-02
DXF files can be opened directly on the TNC in order to extract
contours and point patterns ("Programming: Data transfer from DXF
files or plain-language contours", page 237).
The active tool-axis direction can now be activated in manual
mode and during handwheel superimposition as a virtual tool axis
("Superimposing handwheel positioning during program run: M118
(Miscellaneous Functions software option)", page 354).
Writing and reading data in freely definable tables ("Freely definable
tables", page 379).
New touch probe cycle 484 for calibrating the wireless TT 449 tool
touch probe (see User's Manual for Cycles).
The new HR 520 and HR 550 FS handwheels are supported
("Traverse with electronic handwheels", page 440).
New machining cycle 225 ENGRAVING (see User's Manual for
Cycle Programming)
New Active Chatter Control (ACC) software option ("Active Chatter
Control (ACC; software option)", page 365).
New manual probing cycle "Center line as datum" ("Setting a center
line as datum ", page 484).
New function for rounding corners ("Rounding corners: M197",
page 360).
External access to the TNC can now be blocked with a MOD
function ("External access", page 533).
TNC 620 | User's Manual
12
HEIDENHAIN Conversational Programming | 3/2014