HEIDENHAIN TNC 426 (280 476) - Manual (Page 7)

HEIDENHAIN TNC 426, TNC 430 III
n External access with the LSV-2 interface (see “Permitting/
Restricting external access” on page 445)
n Tool-oriented machining (see “Pallet Operation with Tool-Oriented
Machining” on page 84)
Changed features of the NC software 280 476-xx
n Programming PGM CALL (see “Separate Program as Subprogram”
on page 345)
n Programming CYCLE CALL (see “Calling a cycle” on page 204)
n The feed-rate unit for M136 was changed from µm/rev to mm/rev.
(see “Feed rate in millimeters per spindle revolution: M136” on
page 184)
n The size of the contour memory for SL cycles was doubled. (see “SL
cycles” on page 285)
n M91 and M92 are now also possible with tilted working plane. (see
“Positioning in a tilted coordinate system” on page 332)
n
Display of the NC program during the execution of pallet tables (see
“Program Run, Full Sequence and Program Run, Single Block” on
page 8) and (see “Screen layout for executing pallet tables” on page
83)
New/changed descriptions in this manual.
n TNCremoNT (see “Data transfer between the TNC and
TNCremoNT” on page 425)
n FK Free Contour Programming (see “Path Contours—FK Free
Contour Programming” on page 158)
n
Summary of input formats (see “Technical Information” on page
465)
n
Mid-program startup of pallet tables (see “Mid-program startup
(block scan)” on page 412)
n
Exchanging the buffer battery (see “Exchanging the Buffer Battery”
on page 469)