Mitsubishi Electric FR-A700 Instruction Manual page 4

3.3.9 Higher accuracy operation using a motor with encoder (Vector control)
(Pr.71, Pr.80, Pr.81, Pr.359, Pr.369, Pr.800) .......................................................................... 57
3.3.10 To exhibit the best performance of the motor performance (offline auto tuning)
(Pr. 71, Pr. 83, Pr. 84, Pr. 96)
3.3.11 High accuracy operation unaffected by the motor temperature
(online auto tuning) (Pr. 95)
3.3.12 To perform high accuracy/fast response operation (gain adjustment of real
sensorless vector control and vector control) (Pr. 818 to Pr. 821, Pr. 880) .......................... 67
3.4 Start/stop from the operation panel (PU operation mode) ................................... 73
3.4.1 Set the set frequency to operate (example: performing operation at 30Hz) ............................ 73
3.4.2 Use the setting dial like a potentiometer to perform operation. ............................................... 74
3.4.3 Use switches to give a start command and a frequency command (multi-speed setting) ....... 75
3.4.4 Perform frequency setting by analog (voltage input) ............................................................... 76
3.4.5 Perform frequency setting by analog (current input) ............................................................... 77
3.5 Make a start and stop with terminals (external operation) ................................... 78
3.5.1 Use the set frequency set by the operation panel (Pr. 79 = 3) ................................................ 78
3.5.2 Use switches to give a start command and a frequency command
(multi-speed setting) (Pr. 4 to Pr. 6) ........................................................................................ 79
3.5.3 Perform frequency setting by analog (voltage input) ............................................................... 81
3.5.4 Change the frequency (60Hz) of the maximum value of potentiometer
(at 5V, initial value) .................................................................................................................. 82
3.5.5 Perform frequency setting by analog (current input) ............................................................... 83
3.5.6 Change the frequency (60Hz) of the maximum value of potentiometer
(at 20mA, initial value) ............................................................................................................. 84
3.6 Parameter List...................................................................................................... 85
3.6.1 List of parameters classified by purpose of use ...................................................................... 85
3.6.2 Parameter list .......................................................................................................................... 88
4 TROUBLESHOOTING
4.1 Reset method of protective function .................................................................. 129
4.2 List of alarm display ........................................................................................... 130
4.3 Causes and corrective actions........................................................................... 131
4.4 Correspondences between digital and actual characters .................................. 144
4.5 Check and clear of the alarm history ................................................................. 145
4.6 Check first when you have troubles ................................................................... 147
4.6.1 Motor will not start ................................................................................................................. 147
4.6.2 Motor generates abnormal noise ........................................................................................... 147
4.6.3 Motor generates heat abnormally .......................................................................................... 148
4.6.4 Motor rotates in opposite direction ........................................................................................ 148
4.6.5 Speed greatly differs from the setting .................................................................................... 148
4.6.6 Acceleration/deceleration is not smooth ................................................................................ 148
4.6.7 Motor current is large............................................................................................................. 148
4.6.8 Speed does not increase....................................................................................................... 148
4.6.9 Speed varies during operation............................................................................................... 149
4.6.10 Operation mode is not changed properly .............................................................................. 149
4.6.11 Operation panel (FR-DU07) display is not operating............................................................. 149
4.6.12 POWER lamp is not lit ........................................................................................................... 149
4.6.13 Parameter write cannot be performed ................................................................................... 149
.............................................................................................. 62
................................................................................................ 66
129
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