Fagor CNC 8055i FL EN - Page 5

Installation manual
CNC 8055
CNC 8055i
SOFT: V02.2X
·5·
7.19 Gear ratio management on axes and spindle .............................................................. 391
7.19.1 Example of axes: encoder in the motor.................................................................... 392
7.19.2 Example of axes: external encoder without gear ratio ............................................. 393
7.19.3 Example of axes: external encoder with gear ratio .................................................. 397
7.19.4 Example of spindle: encoder in the motor................................................................ 400
7.19.5 Example of spindle: external encoder without gear ratio ......................................... 402
7.19.6 Example of spindle: external encoder with gear ratio .............................................. 405
7.20 Feedback combination for SERCOS axes with external feedback to the CNC ........... 408
7.21 Open communication ................................................................................................... 409
7.21.1 Reception setting ..................................................................................................... 411
7.21.2 Incompatibility with WINDNC via RS232.................................................................. 411
7.21.3 Trace of characters sent and received..................................................................... 412
7.21.4 Examples of open communication ........................................................................... 413
7.22 Auto-adjustment of axis machine parameter DERGAIN .............................................. 417
7.23 Compensation of the elastic deformation in the coupling of an axis ............................ 419
CHAPTER 8 INTRODUCTION TO THE PLC
8.1 PLC Resources............................................................................................................ 424
8.2 PLC program execution ............................................................................................... 425
8.3 Cycle time .................................................................................................................... 428
8.4 Modular structure of the program................................................................................. 429
8.4.1 First Cycle module (CY1) ......................................................................................... 429
8.4.2 Main module (PRG) ................................................................................................. 429
8.4.3 Periodic execution module (PE t)............................................................................. 430
8.4.4 Priority of execution of the PLC modules ................................................................. 431
CHAPTER 9 PLC RESOURCES
9.1 Inputs ........................................................................................................................... 433
9.2 Outputs ........................................................................................................................ 434
9.3 Marks ........................................................................................................................... 435
9.4 Registers...................................................................................................................... 437
9.5 Timers .......................................................................................................................... 438
9.5.1 Monostable mode. Input TG1................................................................................... 441
9.5.2 Delayed activation mode. TG2 input ........................................................................ 443
9.5.3 Delayed deactivation mode. Input TG3.................................................................... 445
9.5.4 Signal limiting mode. Input TG4 ............................................................................... 447
9.6 Counters ...................................................................................................................... 449
9.6.1 Operating mode of a counter ................................................................................... 452
CHAPTER 10 PLC PROGRAMMING
10.1 Module structure .......................................................................................................... 454
10.2 Directing instructions.................................................................................................... 455
10.3 Consulting instructions................................................................................................. 458
10.4 Operators and symbols................................................................................................ 460
10.5 Action instructions........................................................................................................ 461
10.5.1 Binary assignment instructions ................................................................................ 462
10.5.2 Conditioned binary actions instructions.................................................................... 463
10.5.3 Sequence breaking action instructions .................................................................... 464
10.5.4 Arithmetic action instructions ................................................................................... 465
10.5.5 Logic action instructions........................................................................................... 467
10.5.6 Specific action instructions....................................................................................... 469
10.6 PLC library ................................................................................................................... 471
CHAPTER 11 CNC-PLC COMMUNICATION
11.1 Auxiliary M, S, T functions ........................................................................................... 476
11.2 Auxiliary M, S, T function transfer ................................................................................ 479
11.2.1 Transferring M, S, T using the AUXEND signal ....................................................... 480
11.2.2 Transferring the auxiliary (miscellaneous) M functions without the AUXEND signal...481
11.3 Displaying messages, errors and screens ................................................................... 482
11.4 Access to the PLC from the CNC ................................................................................ 484
11.5 Access to the PLC from a PC, via DNC....................................................................... 485
CHAPTER 12 LOGIC CNC INPUTS AND OUTPUTS
12.1 General logic inputs ..................................................................................................... 488
12.2 Axis logic inputs. .......................................................................................................... 497
12.3 Spindle logic inputs. ..................................................................................................... 502
12.4 Logic inputs of the auxiliary spindle ............................................................................. 507
12.5 Key inhibiting logic inputs............................................................................................. 508
12.6 Logic inputs of the PLC channel .................................................................................. 509