Mitsubishi FR-D720-5.5K

II
CONTENTS
3.2.8 Changing the parameter setting value......................................................................................... 37
3.2.9 Parameter clear/all parameter clear ............................................................................................ 38
3.2.10 Initial value change list ................................................................................................................ 39
3.3 Before operation ................................................................................................... 40
3.3.1 Simple mode parameter list......................................................................................................... 40
3.3.2 Overheat protection of the motor by the inverter (Pr. 9) .............................................................. 41
3.3.3 When the rated motor frequency is 50Hz (Pr. 3) ........................................................................ 43
3.3.4 Increasing the starting torque (Pr. 0) .......................................................................................... 44
3.3.5 Setting the maximum and minimum output frequency (Pr. 1, Pr. 2)............................................ 45
3.3.6 Changing acceleration and deceleration time of the motor (Pr. 7, Pr. 8)..................................... 46
3.3.7 Selection of the start command and frequency command locations (Pr. 79) .............................. 47
3.3.8 Acquiring large starting torque and low speed torque (General-purpose magnetic
flux vector control (Pr. 71, Pr. 80))............................................................................................... 48
3.3.9 Exhibiting the best performance for the motor (offline auto tuning)
(Pr. 71, Pr. 80, Pr. 82 to Pr. 84, Pr. 90, Pr. 96)............................................................................ 50
3.4 Start/stop from the operation panel (PU operation) .......................................... 54
3.4.1 Setting the frequency by the operation panel .............................................................................. 54
3.4.2 Using the setting dial like a potentiometer to perform operation ................................................. 56
3.4.3 Setting the frequency by switches (three-speed setting) (Pr. 4 to Pr. 6) ..................................... 57
3.4.4 Setting the frequency by analog input (voltage input) ................................................................. 59
3.4.5 Setting the frequency by analog input (current input).................................................................. 60
3.5 Make a start and stop with terminals (External operation) ............................... 62
3.5.1 Setting the frequency by the operation panel (Pr. 79 = 3)............................................................ 62
3.5.2 Setting the frequency by switches (three-speed setting) (Pr. 4 to Pr. 6) ..................................... 64
3.5.3 Setting the frequency by analog input (voltage input) ................................................................. 66
3.5.4 Changing the output frequency (60Hz, initial value) at the maximum voltage input
(5V, initial value) .......................................................................................................................... 68
3.5.5 Setting the frequency by analog input (current input).................................................................. 69
3.5.6 Changing the output frequency (60Hz, initial value) at the maximum current input
(at 20mA, initial value) ................................................................................................................. 71
3.6 Parameter list ........................................................................................................ 72
3.6.1 List of parameters classified by the purpose ............................................................................... 72
3.6.2 Displaying the extended parameters ........................................................................................... 74
3.6.3 Parameter list .............................................................................................................................. 75
4 TROUBLESHOOTING 96
4.1 Reset method of protective function .................................................................. 96