Siemens SINUMERIK 840D Function Manual

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In general, the following applies for tangential velocity:F = Fangle * D/Dunit F = Tangential velocity [mm/min]Fangle = Angular velocity [degrees/min]D = Diameter acted on by F [mm]With Dunit = 360/π DE = Unit diameter [mm]π = Circle constant PiJOG mode: Revolutional feedrateIn the JOG mode, the response of the rotary axis spindle also depends on the setting data:SD41100 $SN_JOG_REV_IS_ACTIVE (revolutional feed rate for JOG active)7.2 Modulo 360 degreesA 360° modulo rotary axis is a rotary axis whose position is mapped to the range from 0° to359.999°. As a consequence, in principle, the traversing range of a 360° modulo rotary axis isinfinity. The traversing range limits (software limit switch and working area limits) of 360°modulo rotary axes are not effective.In the diagram below, the absolute position of a rotary axis in the positive direction of rotationis represented as a spiral. The pointer to the spiral indicates the absolute position of the rotaryaxis (420°). The point where the pointer intersects with the modulo circle marks thecorresponding 360° modulo position (60°).rrrrr rrrrrrrrrrFigure 7-2 Modulo_mappingParameter assignmentModulo functionThe modulo function for a rotary axis is activated using the axis-specific machine data:R2: Rotary axes7.2 Modulo 360 degreesAxes and spindlesFunction Manual, 06/2019, A5E47437747B AA 223