Mitsubishi Electric FR-A800, Instruction Manual

Page: 386 / 1042

(E) Environment setting parameters Parameters
5 - 206
Writing parameters during operation (Pr. 77 = "2")
●
These parameters can always be written.
●
The following parameters cannot be written during operation if Pr. 77 = "2". To change the
parameter setting value, stop the operation.
Pr. Name Pr. Name
23
Stall prevention operation level
compensation factor at double speed
454 Number of second motor poles
48 Second stall prevention operation level 455 Second motor excitation current
49
Second stall prevention operation
frequency
456 Rated second motor voltage
60 Energy saving control selection 457 Rated second motor frequency
61 Reference current 458 to 462 (Second motor constant)
66
Stall prevention operation reduction
starting frequency
463 Second motor auto tuning setting/status
71 Applied motor 541
Frequency command sign selection
(CC-Link)
79 Operation mode selection 560 Second frequency search gain
80 Motor capacity 561 PTC thermistor protection level
81 Number of motor poles 570 Multiple rating setting
82 Motor excitation current 574 Second motor online auto tuning
83 Rated motor voltage 598 Undervoltage level
84 Rated motor frequency 606
Power failure stop external signal input
selection
90 to 94 (Motor constant) 639, 640 (Brake sequence)
95 Online auto tuning selection 641, 650, 651 (Second brake sequence)
96 Auto tuning setting/status 660, 661, 662
(Increased magnetic excitation
deceleration)
135 to 139 (Electronic bypass sequence parameter) 673
SF-PR slip amount adjustment operation
selection
178 to 196
(Input and output terminal function
selection)
699 Input terminal filter
248 Self power management selection 702 Maximum motor frequency
254 Main circuit power OFF waiting time
706, 707, 711,
712, 717, 721,
724, 725
(PM motor tuning)
261 Power failure stop selection 738 to 746 (Second PM motor tuning)
289 Inverter output terminal filter 747
Second motor low-speed range torque
characteristic selection
291 Pulse train I/O selection 788
Low speed range torque characteristic
selection
292 Automatic acceleration/deceleration 800 Control method selection
293
Acceleration/deceleration separate
selection
819 Easy gain tuning selection
298 Frequency search gain 858 Terminal 4 function assignment
313 to 322
(Extended output terminal function
selection)
859 Torque current/Rated PM motor current
329 Digital input unit selection 860
Second motor torque current/
Rated PM motor current
373 Resolver position tuning setting/status 862 Encoder option selection
406 High resolution analog input selection 868 Terminal 1 function assignment
414 PLC function operation selection 977 Input voltage mode selection
415 Inverter operation lock mode setting 998 PM parameter initialization
418 Extension output terminal filter 999 Automatic parameter setting
419 Position command source selection 1002
Lq tuning target current adjustment
coefficient
420, 421 (Electronic gear) 1103 Deceleration time at emergency stop
450 Second applied motor 1105 Resolver magnetic pole position offset
451 Second motor control method selection 1292 Position control terminal input selection
453 Second motor capacity 1293 Roll feeding mode selection
Tab. 5-76: Parameters, that cannot be written during operation