Parker SLVD1N User Manual

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Parker SLVD1N User Manual Manual pdf 114 page image

Parker Hannifin S.p.A S.B.C. Division SLVDN User’s ManualPage 114 of 18110.8. Additional useful functionsThe standard drive functions include protection functions whose parameters can be set, suchas automatic limitations of current delivered based on the estimated dissipation (thermalimage or i2 t drive and motor); diagnostic functions, always available to the user, who canalways check the drive status; configuration functions for some drive inputs/outputs; theactivation of parameter saving/restoring procedures, and further functions common to motion-control equipment.10.8.1. Homing functionThe homing function, which is available exclusively with operating modes 13, 14 and 15,provides a typical axis reset procedure. Before using the homing function perform thefollowing settings:- connect the homing sensor to digital input 3- set the homing speed in parameter Pr4 (pay attention to the direction of rotation)- set Pr5 = 0, b40.12=1, b40.13=0, b40.2=0.To activate the homing procedure set b94.12=1 for a type 1 reset, or b94.13=1 for a type 2reset. When the homing procedure is concluded the respective activation bit will be reset. Ifyou wish to abort the procedure, reset the command bit, stop the motor (e.g. by resetting Pr5)and, if necessary, read b40.2 which will remain on zero.RESET TYPE 1 - DESCRIPTIONWhen the procedure is activated (b94.12=1) the axis is brought to the speed programmedin Pr4 (Pr5=Pr4); the axis is then brought to zero speed (Pr5=0) on the positive front of thehoming sensor signal; after 150ms with the motor stopped parameters Pr61:60 and Pr63:62are reset, the position loop is enabled by setting b40.2=1, and command b94.12 is reset. Thehoming sensor signal must be maintained active in high status for the entire duration of themotor stopping phase.If the homing sensor is already engaged when the procedure is activated, the axis moves atthe speed programmed in Pr4 but in the opposite direction until the homing sensor is freed; Atthis point the procedure continues as described above.RESET TYPE 2 - DESCRIPTIONWhen the procedure is activated (b94.13=1) the axis is brought to the speed programmedin Pr4 (Pr5=Pr4); the axis is then brought to zero speed (Pr5=0) on the positive front of thehoming sensor signal; after 150ms with the motor stopped parameters Pr61:60 and Pr63:62are programmed with the value of parameter Pr28, the position loop is enabled by settingb40.2=1, and command b94.13 is reset. The homing sensor signal must be maintained activein high status for the entire duration of the motor stopping phase.If the homing sensor is already engaged when the procedure is activated, the axis moves atthe speed programmed in Pr4 but in the opposite direction until the homing sensor is freed; Atthis point the procedure continues as described above.