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CONTENTS
3.1.4 Harmonic suppression guideline in Japan....................................................................................39
3.2 Installation of a reactor ....................................................................41
3.3 Power-OFF and magnetic contactor (MC).........................................42
3.4 Precautions for use of the drive unit ................................................43
3.5 Failsafe of the system which uses the drive unit ............................45
4 PARAMETERS 47
4.1 Operation panel .................................................................................48
4.1.1 Names and functions of the operation panel................................................................................ 48
4.1.2 Basic operation (factory setting) ................................................................................................... 49
4.1.3 Easy operation mode setting (easy setting mode) ....................................................................... 50
4.1.4 Changing the parameter setting value.......................................................................................... 51
4.1.5 Displaying the set speed .............................................................................................................. 51
4.2 Parameter list....................................................................................52
4.2.1 Parameter list ............................................................................................................................... 52
4.3 PM sensorless vector control .......................................................... 73
4.3.1 Outline of PM sensorless vector control ...................................................................................... 73
4.3.2 Automatic parameter setting in accordance with the motor (Pr.998)........................................... 73
4.3.3 Changing the control method (Pr.800) ........................................................................................ 75
4.4 Speed control ................................................................................... 78
4.4.1 Outline of speed control............................................................................................................... 78
4.4.2 Setting procedure of speed control.............................................................................................. 79
4.4.3 Adjusting the speed control gain (Pr.820, Pr.821, X44 signal).................................................... 80
4.4.4 Speed feed forward control, model adaptive speed control
(Pr.828, Pr.877 to Pr.881) ........................................................................................................... 83
4.4.5 Excessive speed deviation (Pr.285, Pr.853)................................................................................ 84
4.4.6 Notch filter (Pr.862, Pr.863, Pr.871) ............................................................................................ 85
4.4.7 Speed estimation gain and current control gain (Pr.730, Pr.824, Pr.825) ................................... 86
4.4.8 Adjusting the motor wiring resistance (Pr.658)............................................................................ 87
4.5 Position control
4.5.1 Outline of position control............................................................................................................ 88
4.5.2 Setting procedure of position control........................................................................................... 91
4.5.3 Gain adjustment of position control
(Pr.422, Pr.423, Pr.427, Pr.446, Pr.463, Pr.698, Pr.877)............................................................ 92
4.5.4 Simple positioning function by point tables (Pr.4 to 6, Pr.24 to Pr.27, Pr.465 to Pr.478, Pr.508,
Pr.509, Pr.525 to Pr.531, Pr.537, Pr.578 to Pr.591).................................................................... 95
4.5.5 Stop operation under position control (Pr.464, Pr.535) ............................................................. 100
4.5.6 Stopper control function (Pr.512 to Pr.515, X29 signal) ............................................................ 102
4.5.7 Home position return under position control (Pr.110, Pr.111, Pr.453, Pr.455, Pr.508, Pr.509, Pr.532
to Pr.534)................................................................................................................................... 104