2. System Function DVP-MC operating manual 2-17 Serial Default Parameter Name Function Data Type No Value 12 Input rotations of gear This parameter and Output rotations of gear decide the mechanism gear ratio. UINT 1 13 Output rotations of gear This parameter and Input rotations of gear decide the mechanism gear ratio. UINT 1 14 Unit per output rotation The corresponding position units which the terminal actuator moves while output end of the gear rotates for a circle. UINT 10000 As illustrated below, Input rotation of gear =1, Output rotation of gear =2, it means the input mechanism of gear box rotates for one circle and the output mechanism of gear box rotates for 2 circles.
“Unit per output rotation” represents the corresponding position (units) that ball screw moves while the output mechanism of gear box rotates for one circle. E.g. If output mechanism of gear rotates for one circle and ball screw moves 1mm and "Unit per output rotation" is set to 1, through the relative position motion instruction the ball screw will move 1 unit, i.e. the ball screw will move 1mm; If “Unit per output rotation” is set to 1000, the ball screw will move 1 unit through the relative position motion instruction, i.e. 1/1000mm actually. The unit of position in the motion control instruction, G codes and electronic cam is Unit.
As mentioned above, set Unit per output rotation to 1, the ball screw will move 50 mm at the speed of 1mm/s and acceleration of 2mm/ s2. 15 Homing Mode The servo drive is set to homing mode; range: 1~ 35. See appendix D for more details. UINT 1 16 The first-phase speed for homing The speed from starting homing to finding the home switch;Unit: rpm, setting range: 1-2000 rpm UDINT 20 The second-phase speed for homing The speed from finding the home switch to reaching the mechanical home;Unit: rpm, setting range: 1-500 rpm UDINT 10 17 Max. Velocity The available max. velocity; (Unit: unit) REAL 10000 18 Max. Acceleration The available max. acceleration; (Unit: unit) REAL 10000