Do you have a question about the Hitachi Vector Control with the SJ300 Inverter and is the answer not in the manual?
Description of SLV control mode for high motor torque performance with open loop.
Description of 0-SLV control for high torque performance at around 0Hz.
Description of V2 control mode using SJ-FB for high torque and accurate motor performance.
Compares speed linearity, fluctuation, control range, speed response, and torque response.
Details guaranteed minimum torque performance at low speed for different motor types.
Details guaranteed torque performance at 0Hz, with or without standstill.
Explains criteria for motor performance and key influencing parameters for tuning.
Shows actual effects of parameter changes on motor current waveforms with examples.
Explains the orientation function for accurate motor stopping based on encoder pulses.
Demonstrates wiring and parameter settings for positioning using ASR mode with SJ-FB.
Illustrates the timing sequence for positioning operations with ORT input and encoder pulses.
Describes stable state performance and feedback behavior in APR control mode.
Lists main parameters required for setting up APR control mode.
Explains adjustment of feed forward gain and position loop gain for APR control.
Provides parameter settings for achieving a 5:1 speed ratio between master and slave units.
Details methods for connecting multiple slave SJ300 units to a single master unit.
Explains specific P parameters related to encoder, control mode, and pulse train input.
Provides formulas for calculating total inertia for a ventilation fan system.
Provides formulas for calculating total inertia for a truck system.
Provides formulas for calculating total inertia for a conveyor system.
Formula for calculating load inertia of a column shape.
Formula for calculating load inertia of a cylinder shape.
Formula for calculating load inertia of a rectangular solid.
Formula for calculating load inertia of a cone shape.
Formula for calculating load inertia for vertical linear motion.
Formula for calculating load inertia for horizontal linear motion.