HEIDENHAIN TNC 426B (280 472) ISO programming - Manual (Page 371)

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14.3 T
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14.3 Technical Information
TNC features
Description Contouring control for machines with up to 9 axes (TNC 410: 4 axes),
with oriented spindle stop; TNC 410 CA, TNC 426 CB, TNC 430 CA
with analog speed control, TNC 410 PA, TNC 426 PB,
TNC 430 PB with digital speed control and integral current controller
Components ■ Logic unit
■ Keyboard unit
■ Visual display unit with soft keys
Data interfaces ■ RS-232-C / V.24
■ RS-422 / V.11 (not TNC 410)
■ Ethernet interface (option, not TNC 410)
Expanded data interface with LSV-2 protocol for remote
Operating the TNC through the interface with the HEIDENHAIN
software TNCremo (not TNC 410)
Simultaneous axis control for contour elements
■ Straight lines up to 5 axes (TNC 410: 3 axes)
Export versions TNC 426 CF, TNC 426 PF, TNC 430 CE, TNC 430 PE:
4 axes
■ Circles up to 3 axes (with tilted working plane,
TNC 410: 2 axes)
■ Helixes: 3 axes
Look Ahead ■ Defined rounding of discontinuous contour transitions (such as for
3-D surfaces);
■ Collision prevention with the SL cycle for open contours
■ Geometry precalculation of radius-compensated positions for feed
rate adaptation with M120
Background programming One part program can be edited while the TNC runs another program
Graphics ■ Interactive programming graphics
■ Test run graphics
■ Program run graphics (not TNC 410)
File types ■ HEIDENHAIN conversational programming
■ ISO programming
■ Tool tables
■ Cutting data tables (not TNC 410)
■ Datum tables
■ Point tables
■ Pallet files (not TNC 410)
■ Text files (not TNC 410)
■ Freely definable tables (not TNC 410)
■ System files
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