2 – 52 HEIDENHAIN Technical Manual TNC 426, TNC 430
2.6.3 NC Software 280 474-xx and 280 475-xx
NC software
280 474-01 (export
version 280 475-01)
Release: 12/97
Improvements:
n MP115: Signals at the encoder inputs
n MP120, MP121: Assignment of the nominal speed value outputs by
indicating connector
n MP7500 bit 4: Compensation of offset by exchanging spindle head
n MP7550: Angular coordination of tilting element
n Rapid traverse speed can be reduced with the F MAX soft key
n The radius compensation RR/RL in conjunction with M128 is effective in the
plane perpendicular to the tool axis programmed in TOOL CALL.
n With the cycles 6, 7, 8, 16, 17 and 18 only one line can be digitized.
n Q150 to Q167 and Q180 to Q182 are used for the measuring results of the
touch-probe cycles.
n New touch-probe cycles for workpiece measurement, datum setting and
probe calibration.
n F AUTO can be programmed in OEM cycles.
n In the creation of OEM cycles, INCH programs are supported with a
separate standard value entry.
NC software
280 474-02 (export
version 280 475-02)
Release: 01/98
NC software
280 474-03 (export
version 280 475-03)
Release: 04/98
Improvements:
n MP111: Position encoder input for first and second spindle
n MP112: Speed encoder inputs for the axes
n MP113: Speed encoder input for first and second spindle
n MP121: Nominal speed value output for first and second spindle
n MP2180: PWM frequency
n MP2191: Decelerating spindle at EMERGENCY STOP
n MP2510, MP2511: Maximum input value reduced to 30 000
n MP2900, MP2910, MP2920, MP2930: Reserved
n MP4020 bit 5: Single or double spindle operation
n MP6120, MP6350, MP6360, MP6520: Minimum input value reduced to 1
n MP6540: Safety clearance to probe contact of TT130 during tool
measurement
n MP7262: Maximum index number for indexed tools
n MP7683 bit 3: Behavior at reaching end of pallet table
n MP13010 to MP13520: Machine parameters for second spindle
n FN18 ID50: Read data from tool table
n FN18 ID220: Read current PLC datum shift
n M4065: All workpiece dimensions are OK
n M4066: Workpiece must be remachined
n M4067: Workpiece to be scrapped
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