Siemens SINUMERIK 840D Function Manual page 18

Table of contents
14.2.5 Programming........................................................................................................................435
14.2.6 Access to table positions and table segments .....................................................................441
14.2.7 Activation/deactivation .........................................................................................................445
14.2.8 Modulo-leading axis special case ........................................................................................446
14.2.9 Behavior in AUTOMATIC, MDA and JOG modes................................................................446
14.2.10 Effectiveness of PLC interface signals.................................................................................447
14.2.11 Diagnosing and optimizing utilization of resources ..............................................................447
14.2.12 Supplementary conditions....................................................................................................451
14.2.13 Examples .............................................................................................................................451
14.3 Master value coupling ..........................................................................................................453
14.3.1 Product brief.........................................................................................................................453
14.3.1.1 Function ...............................................................................................................................453
14.3.1.2 Preconditions .......................................................................................................................453
14.3.2 General functionality ............................................................................................................453
14.3.3 Programming........................................................................................................................457
14.3.4 Behavior in AUTOMATIC, MDA and JOG modes................................................................461
14.3.5 Effectiveness of PLC interface signals.................................................................................463
14.3.6 Special characteristics of the axis master value coupling function ......................................463
14.3.7 Supplementary conditions....................................................................................................464
14.4 Electronic gear (EG).............................................................................................................464
14.4.1 Product brief.........................................................................................................................464
14.4.1.1 Function ...............................................................................................................................464
14.4.1.2 Preconditions .......................................................................................................................465
14.4.2 Electronic gear (EG).............................................................................................................465
14.4.3 Definition of an EG axis group .............................................................................................473
14.4.4 Activating an EG axis group.................................................................................................474
14.4.5 Deactivating an EG axis group.............................................................................................478
14.4.6 Deleting an EG axis group ...................................................................................................479
14.4.7 Interaction between rotation feedrate (G95) and electronic gearbox ...................................479
14.4.8 Response to POWER ON, RESET, operating mode change, block search ........................480
14.4.9 System variables for electronic gearbox ..............................................................................481
14.4.10 Examples .............................................................................................................................482
14.4.10.1 Example using linear couplings............................................................................................482
14.4.10.2 Extended example with non-linear components ..................................................................486
14.5 Generic coupling ..................................................................................................................492
14.5.1 Brief description ...................................................................................................................492
14.5.1.1 Function ...............................................................................................................................492
14.5.1.2 Requirements.......................................................................................................................492
14.5.2 Fundamentals ......................................................................................................................495
14.5.2.1 Coupling module ..................................................................................................................495
14.5.2.2 Keywords and coupling characteristics ................................................................................497
14.5.2.3 System variables..................................................................................................................499
14.5.3 Creating/deleting coupling modules .....................................................................................500
14.5.3.1 Creating a coupling module (CPDEF)..................................................................................500
14.5.3.2 Delete coupling module (CPDEL) ........................................................................................501
14.5.3.3 Defining leading axes (CPLDEF or CPDEF+CPLA) ............................................................502
14.5.3.4 Delete leading axes (CPLDEL or CPDEL+CPLA)................................................................503
14.5.4 Switching coupling on/off .....................................................................................................504
14.5.4.1 Switching on a coupling module (CPON).............................................................................504
14.5.4.2 Switch off coupling module (CPOF) .....................................................................................505
14.5.4.3 Switching on leading axes of a coupling module (CPLON)..................................................506
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Axes and spindles
Function Manual, 06/2019, A5E47437747B AA