Hitachi SJ300 Series - Manual (Page 3)

Table of Contents
Table of Contents
1. General Description .................................................................................................. 5
1.1 Functionality ...............................................................................................................5
1.2 Instruction manual......................................................................................................5
1.3 Functionality ...............................................................................................................5
1.4 Added and modified functions vs. standard SJ300.................................................5
1.5 Deleted functions vs. SJ300 ......................................................................................6
2. Explanation of Functions ......................................................................................... 9
2.1 S-curve acceleration and deceleration for elevator (EL S-curve) ...........................9
2.2 Multi-speed and acceleration/deceleration time ....................................................10
2.3 Multi-Speed Gain adjustment...................................................................................13
2.4 Torque bias ................................................................................................................15
2.5 Battery backup function ...........................................................................................16
2.6 Control mode changeover in case of emergency ..................................................19
2.7 Braking control function...........................................................................................19
2.8 Encoder Errors ..........................................................................................................21
2.9 Frequency Conversion Function .............................................................................22
2.10 Encoder Phase Configuration..................................................................................23
2.11 Auto-tuning with Elevator Cable Connected to Motor Shaft .................................23
3. Parameter Setting Tables ....................................................................................... 25
4. Adjustment............................................................................................................... 33
4.1 Frequency Source Setting........................................................................................33
4.2 Setting and Adjustment of Motor Constants ..........................................................34
4.3 Adjustment of Speed Response ..............................................................................36
4.4 Adjustment of Inertia ................................................................................................37
4.5 Adjustment of Ride Quality, Brake Timing and Acceleration Time.......................38
Appendix A – Auto-tuning Procedure .............................................................. 41
Appendix B – Jerk Rate Calculator Program ............................................................ 49
Index............................................................................................................................. 51
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