Siemens sinumerik 840D sl Function Manual

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Contents

Constraints3.1 Speed /torque coupling (SW 6 and higher)Special functions: Speed/Torque Coupling, Master-Slave (TE3)38 Function Manual, 11/2006, 6FC5397-2BP10-2BA03.1 Speed/torque coupling (SW 6 and higher)optionThe speed/torque coupling function is an option and not available in every control variant.The master-slave function requires the master and slave axes to be operated on the sameNCU.NoteThe master-slave function requires the master and slave axes to be operated on the sameNCU.• A coupled slave axis cannot be rotated around the axis container.• Closing and separating the master-slave coupling is carried out when the axis hasstopped.• Traversing a slave axis with the coupling closed is possible only via the master axis.• Axis replacement is not performed for coupled slave axes.• When the coupling is closed via the slave axis, the master axis is braked automatically (ifdefined in the same channel). This produces an asymmetric response on closure andseparation of the coupling. In contrast to closing, there is no automatic braking onseparation.• Block search with calculation (SERUPRO) takes into account the positional changes ofcoupled slave axes after a block search only if a system ASUB (asynchronoussubroutine) "PROGEVENT.SPF" has been generated. This can be used to subsequentlyadjust the coupling state and associated axis positions so as to update changes to thecoupling state.Differences compared to previous solution (up to SW 5.x)• If a traversing movement is programmed for a slave axis that has already been coupled,the alarm "14092 Channel %1 Block %2 Axis %3 has the wrong type" appears.• The setpoint position of the coupled slave axis corresponds to the current actual position.• On request, the coupling is made or released independent of the channel status the nexttime the axis stops. This allows the coupling status to be changed even during partprogram processing.• PLC interface signal DB3x.DBX61.5 "Position controller active" must no longer beinterpreted in the braking control logic of the slave axes. This is no longer set for anactive coupling. Instead, the interface signal "Master-slave coupling status active" shouldbe used.• If a master axis is simultaneously configured as a slave axis, the alarm "26031 Axis %1Configuration error master-slave" appears. So cascading is not possible.• If a coupling is requested and closed, the control activation signals are derived directlyfrom the master axis.