2 – 66 HEIDENHAIN Technical Manual TNC 426, TNC 430
NC software
280 476-06 (export
version 280 477-06)
Release: 12/99
Improvements:
n MP420, MP430: Changes no longer lead to a control reset
n MP2221: Monitoring of rotational direction for spindle with integral DSP
n MP2600: Input range changed
n MP6510: Second measuring error added
n MP7640, MP7641, MP7645 are no longer shown through code number 123
n All machine parameters that can be changed by the PLC can be changed in
a running NC program.
n Overflows from multiturn encoders are entered in the NCDATA.SYS system
file.
n Before the PLC program is converted , the memories of the PLC outputs are
reset.
n Pointers to error messages are entered in the log book.
n M4547: T and G strobes with TOOL CALL
n FN17 ID990: Orient spindle
n FN18 ID990: Find spindle angle
n Hard disks larger than 3.25 MB are supported
n Module 9035: Transfer value 26 (jog increment limiting) added
n Module 9060: Status of M functions
n Module 9186: Transfer value 6 (jog increment) added
n Module 9300: Locking/releasing the pocket table
n Module 9305: Pocket exchange in the pocket table
n Module 9310: Read the machine parameter from the run-time memory
n Module 9320: Status of NC program end
n M140: Depart contour in the current tool-axis direction
n M141: Suppress touch probe monitoring
n New LSV2 telegrams
n Cycle 204: A value with digits after the decimal point may be entered in
Q255
n A German and an English machine parameter description, as well as the
configuration files for CycleDesign, are saved in PLC:\JH.
n Every NC setup is saved in its own directory and can be selected.
n M functions M0 to M999 are possible in Manual mode; M100 to M299
result in error messages
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