HEIDENHAIN TNC 426 PB/M Technical Manual page 73

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NC software
280 476-02 (export
version 280 477-02)
NC software
280 476-03 (export
version 280 477-03)
December 2001
Release: 05/99
Improvements:
n
In the format instructions for the large PLC window, special characters can
be entered with /xYY.
n
Module 9281: Datum shift and datum set can still be carried out, even if the
line is disabled by an entry in LOCK.
n
In ASCII element fields, line breaks occur after whole words.
Release: 08/99
Improvements:
n
MP21: Encoder monitoring for first and second spindle
n
MP1089: Axis-specific jerk for Pass Over Reference Point mode
n
MP2590, MP2591: Steepness of the braking ramp during an emergency
stop
n
MP4020: Automatically activate Return to Contour after an external
emergency stop
n
MP7281: Depiction of the NC program
n
MP7500: Tilting-axis positioning during datum setting
n
MP7683: Display the AUTOSTART soft key
n
Numerical range for M functions from 0 to 999
n
Assignment of NC macros to M functions through a table
n
Description of tilting-axis geometry in tables
n
M4586: Autostart
n
NCMACRO.SYS: Executing an NC macro in case of an error or after an
external/internal stop
n
NCMACRO.SYS: Executing a macro after leaving Pass Over Reference
Point mode
n
NCMACRO.SYS: Executing a macro when a block scan has been
interrupted
n
After reestablishing machine status, the status set by the PLC is checked to
see if it agrees with the status calculated by the NC.
n
PGM CALL and CYCLE CALL (cycles greater than 68) are calculated
automatically with the look-ahead function and run without exact stop
(FN20: WAIT FOR SYNC).
n
The integrated oscilloscope can record the jerk and the acceleration of the
axes.
n
W1018: Number of files opened by the PLC
n
W1020: Number of open files
n
M4546: Second tool age has expired
Software Releases
2 – 63

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