Mitsubishi Electric FR-A741-11K, Instrucion Manual

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II
CONTENTS
4 DRIVE THE MOTOR 47
4.1 Step of operation.................................................................................................. 47
4.2 Operation panel (FR-DU07)................................................................................. 48
4.2.1 Parts of the operation panel (FR-DU07).................................................................................. 48
4.2.2 Basic operation (factory setting) .............................................................................................. 49
4.2.3 Operation lock (Press [MODE] for an extended time (2s)) ...................................................... 50
4.2.4 Monitoring of output current and output voltage ...................................................................... 51
4.2.5 First priority monitor................................................................................................................. 51
4.2.6 Setting dial push ...................................................................................................................... 51
4.2.7 Change the parameter setting value ....................................................................................... 52
4.2.8 Parameter clear, all parameter clear ....................................................................................... 53
4.2.9 Parameter copy and parameter verification............................................................................. 54
4.3 Before operation .................................................................................................. 56
4.3.1 Simple mode parameter list..................................................................................................... 56
4.3.2 Overheat protection of the motor by the inverter (Pr. 9) .......................................................... 57
4.3.3 When the rated motor frequency is 50Hz (Pr. 3) .................................................................... 58
4.3.4 Increase the starting torque (Pr. 0) ......................................................................................... 59
4.3.5 Limit the maximum and minimum output frequency (Pr. 1, Pr. 2) ........................................... 60
4.3.6 Change acceleration and deceleration time (Pr. 7, Pr. 8)........................................................ 61
4.3.7 Selection of the start command and frequency command locations (Pr. 79) .......................... 62
4.3.8 Large starting torque and low speed torque are necessary (advanced magnetic
flux vector control, real sensorless vector control) (Pr. 71, Pr. 80, Pr. 81, Pr. 800) ............... 63
4.3.9 Higher accuracy operation using a motor with encoder (Vector control)
(Pr.71, Pr.80, Pr.81, Pr.359, Pr.369, Pr.800) .......................................................................... 66
4.3.10 To exhibit the best performance of the motor performance (offline auto tuning)
(Pr. 71, Pr. 83, Pr. 84, Pr. 96) .............................................................................................. 71
4.3.11 High accuracy operation unaffected by the motor temperature
(online auto tuning) (Pr. 95) ................................................................................................ 76
4.3.12 To perform high accuracy/fast response operation (gain adjustment of real
sensorless vector control and vector control) (Pr. 818 to Pr. 821, Pr. 880) .......................... 77
4.4 Start/stop from the operation panel (PU operation mode) ................................... 83
4.4.1 Set the set frequency to operate (example: performing operation at 30Hz)............................ 83
4.4.2 Use the setting dial like a potentiometer to perform operation. ............................................... 84
4.4.3 Use switches to give a start command and a frequency command (multi-speed setting)....... 85
4.4.4 Perform frequency setting by analog (voltage input) ............................................................... 86
4.4.5 Perform frequency setting by analog (current input) ............................................................... 87
4.5 Make a start and stop with terminals (external operation) ................................... 88
4.5.1 Use the set frequency set by the operation panel (Pr. 79 = 3) ................................................ 88
4.5.2 Use switches to give a start command and a frequency command
(multi-speed setting) (Pr. 4 to Pr. 6) ........................................................................................ 89
4.5.3 Perform frequency setting by analog (voltage input) ............................................................... 91
4.5.4 Change the frequency (60Hz) of the maximum value of potentiometer
(at 5V, initial value) .................................................................................................................. 92
4.5.5 Perform frequency setting by analog (current input) ............................................................... 93
4.5.6 Change the frequency (60Hz) of the maximum value of potentiometer
(at 20mA, initial value) ............................................................................................................. 94
4.6 Parameter List...................................................................................................... 95
4.6.1 List of parameters classified by purpose of use ...................................................................... 95