6 – 416 HEIDENHAIN Technical Manual TNC 426, TNC 430
The current tool age is calculated in the PROGRAM RUN, FULL SEQUENCE
and PROGRAM RUN, SINGLE BLOCK modes if the following conditions are
fulfilled:
n Spindle ON
n No F MAX
n F enable
n Control-in-operation symbol is on
After program interruption with “internal stop,” M02, M30 or END PGM, the
tool age counter is stopped.
The tool age counter does not run in the MANUAL OPERATION,
ELECTRONIC HANDWHEEL, and POSITIONING WITH MDI operating modes.
The user can reset the current tool age by entering zero.
MP7680 Machine parameter with multiple function
Format: %xxxxxxxxxxxxx
Input: Bit 6 – Tool length in blocks with normal vectors:
0: Without R2 from tool table (south pole)
1: With R2 from tool table (center of sphere)
Set Reset
M4543 Tool life 1 expired (TIME1 in the tool
table)
NC NC/PLC
M4546 Tool life 2 expired (TIME2 in the tool
table)
NC NC/PLC
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