2 – 56 HEIDENHAIN Technical Manual TNC 426, TNC 430
n FN26, FN27, FN28: Open, describe and read numeric cells for freely-
definable tables
n W1062: Disable axis-specific handwheel pulses
n Module 9153: Define probe axis for manual measurement
n Module 9211: Assign identifiers for fields of the large PLC window
n Module 9280: Start NC macro (Run pallet entry)
n The gear range from W256 is output when the spindle speed is 0
n New column TNAME in the pocket table
n New column LOCK in the pallet table
n Format instructions for the large PLC window expanded
n New code words MPPASSWORD and MPLOCKFILE for OEM.SYS
n New code word PALEPILOG for NCMAKRO.SYS
n During start-up of the control, a customer-specific company logo can be
displayed
n “Shut down” soft key to shut down the control
n The cycle structure can consist of up to 9 cycle trees
n M117: M116 is switched off
n M136, M137: Switching the contour feed from mm/min to mm/spindle
revolution and vice versa
n M138: Axes with M114, M128 and “Tilt the working plane,” but without
M116, can be indicated.
n With touch-probe cycle 3, you can probe without retraction
n The block number for mid-program startup or the block number for Test Run
is input in a pop-up window.
NC software
280 474-08 (export
version 280 475-08)
Release: 09/98
Improvements:
n ISO: New soft key for ordering block numbers with constant increment
NC software
280 474-09 (export
version 280 475-09)
Release: 10/98
Improvements:
n MP334: Number of grating periods between the zero pulses on encoders
with distance-coded reference marks
n MP7289: Display step for spindle position
n FN18 ID200: Determine current tool radius with sign
n FN17 ID510: Determine current line of a pallet table
n FN17 ID510: Determine last line of the NC program of the current pallet
n Module 9210: Transfer of an immediate string
n Module 9247: All tables can be searched for contents in a field
n Module 9290: Select NC program
n Cycle 405: Correct workpiece angular tilt via C axis
n Cycle 420: Determine angle in the touch probe axis
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