
2-4 TNC 407/TNC 415/TNC 425 2 Technical data TNC 407/TNC 415 B/TNC 425 01.98
TNC 407 TNC 415 B/TNC 425
Q-Parameters Mathematical functions (=, +, -, x, ÷, sin α, cos α, angle αfrom sin α
and cos α, a, a2+ b2, tan α, arcsin, arctan, arccos, an, en, ln,
log, absolute value of a number, the constant π, negation, truncate places
before or after the decimal point)
logical comparisons (=,≠, >, <),
Parenthetical calculations
Program test By graphic simulation of the part program
Parallel operation Yes, no graphics Yes, with graphics
File management up to 100 files: programs in HEIDENHAIN and DIN/ISO format, also tool 1),
PLC datum shift, pallet tables1) and text files
Tool compensation Tool length, tool radius in machining plane
– Three-dimensional tool
compensation with surface
normal vectors
Central tool file Various tool tables for 254 tools max. each, with flexible pocket coding,
tool life monitoring and sister tool organization1)
Data interfaces V.24/RS 232 C and V.11/RS 422
•"Blockwise transfer": programs that exceed the control capacity can be
downloaded block by block and simultaneously executed.
•Extended data interface with LSV/2 protocol for external TNC operation
across the data interface
Baud rate 38400; 19200; 9600; 4800; 2400; 1200; 600; 300; 150; 110
Keyboard TE 400 with integral QWERTY keyboard
Screen BC 110 14" colour monitor 640 x 490 pixels
Logic unit LE 407 LE 415B / LE 425
Axis control Feed pre-control or operation with servo lag
–TNC 425: additional digital speed control
Cycle times
Contour interpolation 6 ms 3 ms
Fine interpolation – TNC 415 B: 0.6 ms (contour)
TNC 425:0.6 ms (speed)
Position control 0.1 µm
resolution
1) These functions must be implemented by the OEM.