PARAMETERS
104
Pr. 71 "applied motor"
Pr. 83 "rated motor voltage"
Pr. 84 "rated motor frequency"
Pr. 89 "speed control gain"
Pr. 90 to Pr. 94 (motor constants)
Pr. 95 "online auto tuning selection"
Pr. 96 "auto tuning setting/status"
Pr. 180 to Pr. 186
(input terminal function selection)
Related parameters
z
Motor capacity/number of motor poles/speed control gain (Pr. 80, Pr. 81, Pr. 89)
Pr. 80 "motor capacity"
Pr. 81 "number of motor poles"
Pr. 89 "speed control gain"
You can set the advanced magnetic flux vector control.
z
Advanced magnetic flux vector control
Provides large starting torque and sufficient low-speed torque.
Effective for great load fluctuation.
Parameter
Number
Factory Setting Setting Range Remarks
80 9999 0.4K to 55kW, 9999 9999: V/F control
81 9999 2, 4, 6, 12, 14, 16, 9999 9999: V/F control
89 100% 0 to 200.0%
If any of the following conditions is 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 motor type is the Mitsubishi standard motor (SF-JR 0.4kW (0.5HP) or more) or Mitsubishi constant-
torque motor (SF-JRCA 200V class 4-pole motor of 0.4kW to 45kW(0.5HP to 60HP). When any other
motor is used, offline auto tuning must be performed.)
·
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 (98.42 feet). (If the length is over 30m
(98.42 feet), perform offline auto tuning with the cables wired.)
<Setting>
(
1
)
Advanced magnetic flux vector control
·
By setting the capacity, number of poles and type of the motor used in Pr. 80 and Pr. 81, the advanced
magnetic flux vector control can be selected.
Parameter
Number
Setting Description
9999 V/F control
80
0.4 to 55 Set the motor capacity applied. Advanced magnetic flux vector control
9999 V/F control
2, 4, 6 Set the number of motor poles. Advanced magnetic flux vector control
81
12,14,16
V/F control is selected when the X18 (magnetic flux-
V/F switch-over) signal switches on.
(This selection is not made during operation.)
Use any of Pr. 180 to Pr. 186 to assign the terminal
used for X18 signal input.
12: For 2-pole motor
14: For 4-pole motor
16: For 6-pole motor
·
When using Mitsubishi's constant-torque motor (SF-JRCA), set "1" in Pr. 71. (When using the SF-JRC,
perform the offline auto tuning .)
·
When using Mitsubishi's standard motor (SF-JR, 4P, 1.5kW or less), set "20" in Pr. 71.
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