Siemens sinumerik 840D sl Function Manual

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Brief description1.3 Master value couplingSpecial functions: Axis Couplings and ESR (M3)Function Manual, 11/2006, 6FC5397-2BP10-2BA0 91.2.2 PreconditionsMemory configurationStatic NC memoryMemory space for curve tables in static NC memory is defined by machine data:18400 $MN_MM_NUM_CURVE_TABS (number of curve tables)18402 $MN_MM_NUM_CURVE_SEGMENTS (number of curve segments)18403 $MN_MM_NUM_CURVE_SEG_LIN (number of linear curve segments)18404 $MN_MM_NUM_CURVE_TABS (number of curve table polynomials)Dynamic NC memoryMemory space for curve tables in dynamic NC memory is defined by machine data:18406 $MN_MM_NUM_CURVE_TABS_DRAM (number of curve tables)18408 $MN_MM_NUM_CURVE_SEGMENTS_DRAM (number of curve segments)18409 $MN_MM_NUM_CURVE_SEG_LIN_DRAM (number of linear curve segments)18410 $MN_MM_NUM_CURVE_POLYNOMS_DRAM (number of curve table polynomials)1.3 Master value coupling1.3.1 FunctionThe "master value coupling" function can be used to process short programs cyclically withclose coupling of the axes to one another and a master value that is either generatedinternally or input from an external source.The master value can for example be derived from a conveyor belt or a vertical shaft.Either an axis or path master value coupling can be used, and activated and deactivated inthe NC parts program or by using a synchronous action.Coupling with the master value is defined using a curve table.1.3.2 PreconditionsThe option "Master Value Coupling and Curve Tables Interpolation" or the relevant option ofgeneric coupling (refer to "Reconditions" for generic coupling) is a prerequisite for utilizationof the function.