Siemens SINUMERIK 840D sl Function Manual

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● Spindle-specific and cross-channel activation via the machine data:MD35035 $MA_SPIND_FUNCTION_MASK (spindle functions)Bit Value Meaning19 0 If bit 0 is also set to "0" in the MD20850 $MC_SPOS_TO_VDI, noauxiliary function M19 is generated in SPOS and SPOSA. Thistherefore eliminates the acknowledgement time for the auxiliaryfunction.1 The implicit auxiliary function M19 is generated and output to thePLC during the programming of SPOS and SPOSA. The addressextension corresponds to the spindle number.NoteActivation via MD35035 should be preferred when using a spindle in multiple channels (axis/spindle exchange).The auxiliary function M19 is implicitly generated if either of the MD configurations = 1.After activation, the minimum duration of an SPOS/SPOSA block is increased to the time foroutput and acknowledgement of the auxiliary functions by the PLC.The properties of the implicitly generated auxiliary function output M19 are "Quick" and "Outputduring motion". These properties are fixed settings and are independent of the M19configuration in the auxiliary function-specific machine data (MD..._$M..._AUXFU_...).There is no auxiliary function M19 implicitly generated in the case of spindle positioningcommands via FC 18.End of positioningThe positioning can be programmed with:FINEA[S]: End of motion on reaching "Exact stop fine" (DB31, ... DBX60.7)COARSEA[S]: End of motion on reaching "Exact stop coarse" (DB31, ...DBX60.6)IPOENDA[S]: End of motion on reaching "IPO stop"In addition, an end-of-motion criterion for block changes can be set in the braking ramp(100-0%) with IPOBRKA for single-axis interpolation.References:Function Manual, Extended Functions; Positioning Axes (P2)Block changeThe program advances to the next block if the end-of-motion criteria for all spindles or axesprogrammed in the current block, plus the block change criterion for path interpolation, arefulfilled. This applies to both part-program and technology-cycle blocks.S1: Spindles16.2 ModesBasic Functions1208 Function Manual, 01/2015, 6FC5397-0BP40-5BA2