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PARAMETERS
92
Pr. 71 "applied motor"
Pr. 83 "rated motor voltage"
Pr. 84 "rated motor frequency"
Pr. 96 "auto-tuning setting/status"
Related parameters
4.2.27 General-purpose magnetic flux vector control selection (Pr. 80)
Pr. 80 "motor capacity"
You can set the general-purpose magnetic flux vector control.
"
General-purpose magnetic flux vector control
Provides large starting torque and sufficient low-speed torque.
If the motor constants vary slightly, stable, large low-speed torque is provided
without specific motor constant setting or tuning.
Parameter
Number
Factory
Setting
Setting Range Remarks
80 9999
0.1kW to 7.5kW,
9999
9999: V/F control
If any of the following conditions are not satisfied, faults such as torque shortage and
speed fluctuation may occur. In this case, select V/F control.
<Operating conditions>
!
The motor capacity is equal to or one rank lower than the inverter capacity.
!
The number of motor poles is any of 2, 4, and 6. (4 poles only for the constant-
torque motor)
!
Single-motor operation (one motor for one inverter) is performed.
!
The wiring length between the inverter and motor is within 30m. (If the length is over
30m, perform offline auto tuning with the cables wired.)
<Setting>
(1) General-purpose magnetic flux vector control
!
The general-purpose magnetic flux vector control can be selected by setting the
capacity of the motor used in Pr. 80.
Parameter
Number
Setting Description
9999 V/F control
80
0.1 to 7.5 Set the motor capacity applied.
General-
purpose
magnetic flux
vector control
!
When using Mitsubishi's constant-torque motor (SF-JRCA), set "1" in Pr. 71. (When
using the SF-JRC, perform the offline auto tuning .)
4