CNC 8037 - Installation manual - Fagor Automation

CNC 8037
SOFT: V01.4X
·4·
Installation manual
6.3 Movement with an electronic handwheel.................................................................... 208
6.3.1 Standard handwheel ................................................................................................ 209
6.3.2 Path handwheel ....................................................................................................... 210
6.3.3 Feed handwheel mode ............................................................................................ 211
6.3.4 "Additive handwheel" mode ..................................................................................... 212
6.4 feedback system.......................................................................................................... 214
6.4.1 Counting speed limitation......................................................................................... 215
6.4.2 Resolution ................................................................................................................ 216
6.5 Axis adjustment ........................................................................................................... 220
6.5.1 Drive setting ............................................................................................................. 221
6.5.2 Gain setting.............................................................................................................. 222
6.5.3 Proportional gain setting .......................................................................................... 223
6.5.4 Feed-forward gain setting ........................................................................................ 224
6.5.5 Derivative (AC-forward) gain setting ........................................................................ 225
6.5.6 Leadscrew backlash compensation. ........................................................................ 226
6.5.7 Leadscrew error compensation................................................................................ 227
6.5.8 Circle geometry test ................................................................................................. 229
6.6 Reference systems ...................................................................................................... 231
6.6.1 Home search............................................................................................................ 232
6.6.2 Setting on systems without distance-coded feedback ............................................. 235
6.6.3 Setting on systems with distance-coded feedback .................................................. 237
6.6.4 Axis travel limits (software limits) ............................................................................. 238
6.7 Unidirectional approach ............................................................................................... 239
6.8 Auxiliary M, S, T function transfer................................................................................ 240
6.8.1 Transferring M, S, T using the AUXEND signal ....................................................... 242
6.8.2 Transferring the auxiliary (miscellaneous) M functions without the AUXEND signal 243
6.9 Spindle......................................................................................................................... 244
6.9.1 Spindle types ........................................................................................................... 244
6.9.2 Spindle speed (S) control......................................................................................... 245
6.9.3 Spindle gear change ................................................................................................ 247
6.9.4 Spindle in closed loop .............................................................................................. 249
6.10 Treatment of emergency signals ................................................................................. 255
6.11 Digital CAN servo ........................................................................................................ 258
6.11.1 Communications channel......................................................................................... 258
6.11.2 Drive’s absolute feedback........................................................................................ 261
6.12 Fagor handwheels: HBA, HBE and LGB .................................................................... 262
6.13 Machine safety related functions ................................................................................. 266
6.13.1 Maximum machining spindle speed......................................................................... 266
6.13.2 Cycle start disabled when hardware errors occur.................................................... 267
6.14 Tool magazine ............................................................................................................. 268
6.14.1 Tool change via PLC................................................................................................ 268
6.14.2 Tool change management ....................................................................................... 269
6.15 Gear ratio management on axes and spindle.............................................................. 270
6.15.1 Example of axes: outside feedback without gear box.............................................. 271
6.15.2 Example of axes: encoder at the motor ................................................................... 274
6.15.3 Example of axes: outside feedback with gear box................................................... 275
6.15.4 Example of spindle: external encoder without gear box .......................................... 277
6.15.5 Example of spindle: encoder at the motor ............................................................... 279
6.15.6 Example of spindle: external encoder with gear box ............................................... 281
CHAPTER 7 PLC RESOURCES
7.1 Inputs ........................................................................................................................... 283
7.2 Outputs ........................................................................................................................ 284
7.3 Marks ........................................................................................................................... 285
7.4 Registers...................................................................................................................... 287
7.5 Timers.......................................................................................................................... 288
7.5.1 Monostable mode. TG1 input................................................................................... 291
7.5.2 Delayed activation mode. TG2 input........................................................................ 293
7.5.3 Delayed deactivation mode. TG3 input.................................................................... 295
7.5.4 Signal limiting mode. TG4 Input............................................................................... 297
7.6 Counters ...................................................................................................................... 299
7.6.1 Operating mode of a counter ................................................................................... 302
CHAPTER 8 INTRODUCTION TO THE PLC
8.1 PLC resources ............................................................................................................. 304
8.2 PLC program execution ............................................................................................... 305
8.3 Loop time ..................................................................................................................... 308
8.4 Modular structure of the program ................................................................................ 309
8.4.1 First cycle module (CY1).......................................................................................... 310
8.4.2 Main module (PRG) ................................................................................................. 311
8.4.3 Periodic execution module (PE t)............................................................................. 312
8.4.4 Priority of execution of the PLC modules................................................................. 313