Siemens SINUMERIK 840D sl Function Manual

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The setting of a relative reference point via the operator panel is done via the general commandinterface for the workpiece and tool measuring. The system frame $P_RELFR for relativecoordinate systems is calculated and activated as follows:● $AC_MEAS_TYPE = 14● PI-services _N_SETUDT(6, 7)An example of setting the relative axis positions can be found in:References:Function Manual, Extended functions; Measurement (M5),Section "Measurement of geometry and special axes (meas. type 14, 15)"10.5.4.3 Selectable SZSWithin a cycle, machining is performed in a cycle-specific workpiece coordinate system (WCS).The cycle-specific WCS results from SZS transformed by the programmable frame$P_PFRAME and/or cycle frame $P_CYCFRAME programmed for the cycle.If a cycle is interrupted by a machine operator, e.g. through an NC stop, traversing should thenbe performed in the original coordinate system (SZS) valid before the activation of the cycle.Machine dataThe specification how the SZS is to be calculated from the cycle-specific WCS is set via thefollowing machine data.MD24030 $MC_FRAME_ACS_SET = Meaning0 SZS = WCS transformed with $P_TRAFRAME, $P_PFRAME, $P_ISO4FRAME and $P_CY‐CFRAME1 SZS = WCS transformed only with $P_CYCFRAME :.6:.6(16 ;(16<(16(16 ;(16<(16<:.6;:.6<:.6;:.60'0&B)5$0(B$&6B6(7 3B75$)5$0(3B3)5$0(3B,62)5$0(3B&<&)5$0( 3B75$)5$0(3B3)5$0(3B,62)5$0(0'0&B)5$0(B$&6B6(7 3B&<&)5$0(① SZS = WCS transformed with $P_TRAFRAME, $P_PFRAME, $P_ISO4FRAME and $P_CY‐CFRAME② SZS = WCS transformed only with $P_CYCFRAMEK2: Axis Types, Coordinate Systems, Frames10.5 FramesBasic FunctionsFunction Manual, 01/2015, 6FC5397-0BP40-5BA2 725