5 – 16 HEIDENHAIN Technical Manual TNC 426, TNC 430
Marker Description Set Reset SW Vers. Page
W 256 Gear code NC/
PLC
NC/
PLC
6 – 189
W 258 S code NC NC 6 – 194
W 260 Code for M functions NC NC 6 – 283
W 262 Tool pocket number NC NC 6 – 424,
6 – 440
W 264 Tool number NC NC 6 – 424,
6 – 440
W 266 Index number of a programmed indexed tool NC NC 280 474-03 6 – 417
W 268 Tool magazine number NC NC 6 – 411
W 270 Line number in help file NC NC 6 – 277
W 272 Operating mode NC NC 6 – 102
W 274 Code of the depressed key NC NC 6 – 338
D 276 Code of the code number last entered via
MOD
NC NC 6 – 324
D 280 1. integer value from FN19 NC NC 6 – 22
D 284 2. integer value from FN19 NC NC 7 – 22
W 302 Number of the PLC soft key that was
pressed
NC NC 6 – 273
W 320 Nominal speed value [rpm] NC NC 6 – 184
W 322 Actual speed value [rpm] NC NC 6 – 184
D 356 Programmed speed [0.001 rpm] NC NC 6 – 184,
6 – 189
D 360 Programmed feed rate NC NC 6 – 128
D 364 Nominal speed value [rpm] NC NC 280 472-05 6 – 184
D 368 Actual speed value [rpm] NC NC 280 472-05 6 – 184
D 388 Current tool feed rate [mm/min] NC NC 6 – 128
W 480-484 Analog input at X48 [0.1 V] NC NC 6 – 393
W 486 - 490 Temperature input at X48 [0.5 °C] NC NC 6 – 44,
6 – 393
W 492 Percentage for spindle override (NC to PLC) NC NC 6 – 191
W 494 Percentage for feed rate override (NC to
PLC)
NC NC 6 – 237
W 516 Q No. 0-7 for numerical data transfer
PLC to NC
PLC PLC 7 – 22
B 518 Defining the free rotation function PLC PLC 6 – 235
B 519 Traverse direction for free rotation PLC PLC 6 – 235
W 522 Enabling the high-speed PLC inputs PLC PLC 6 – 157
D 528 Double word with multiple function, here
data for transfer from PLC to NC
PLC PLC 6 – 399
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