6 – 378 HEIDENHAIN Technical Manual TNC 426, TNC 430
Markers in the PLC M4060 is set if a cycle for tool measurement is started.
M4061 displays whether a cycle was activated for tool measurement or for
tool checking.
M4062 and M4063 are set if during tool checking one of the entered
tolerances was exceeded. The tool is locked.
The markers M4050, M4051, M4052, M4053, M4055 and M4056 function as
in the standard cycles. You must enable the cycles for tool measurement with
M4055. For spindle orientation directly by the NC (MP6560 = –1), you must
reset M4012.
Set Reset
M4060 Cycle for tool measurement started NC NC
M4061 0: Measure the tool
1: Check the tool
NC NC
M4062 0: Wear tolerance not exceeded
1: Wear tolerance exceeded
NC NC/PLC
M4063 0: Breakage tolerance not exceeded
1: Breakage tolerance exceeded
NC NC/PLC
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