Applied Motor (Pr. 71) - Mitsubishi Electric FR-F720P-0.75K to 110K Instruction Manual

Fr-f700p series
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Selection and protection of a motor
4.9.2

Applied motor (Pr. 71)

Setting of the used motor selects the thermal characteristic appropriate for the motor.
Setting is necessary when using a constant-torque motor or IPM motor. Thermal characteristic of the electronic
thermal relay function suitable for the motor is set.
Parameter
Name
Number
71
Applied motor
The above parameters can be set when Pr. 160 User group read selection = "0". (Refer to page 201)
* Performing IPM parameter initialization changes the settings. (Refer to page 80)
.............. Specifications differ according to the date assembled. Refer to page 378 to check the SERIAL number.
Refer to the following list and set this parameter according to the motor used.
Pr. 71
Thermal Characteristic of the Electronic Thermal Relay
Setting
0
Thermal characteristics of a standard motor
(initial value)
1
Thermal characteristics of the Mitsubishi constant-torque motor
Thermal characteristics of a standard motor
2
Adjustable 5 points V/F(Refer to page 101)
20
Mitsubishi standard motor SF-JR 4P(1.5kW or lower)
120*
High-efficiency IPM motor (MM-EFS)
Premium high-efficiency IPM motor MM-EFS
210*
(Refer to page 80)
* The setting automatically changes to "120 or 210" when IPM parameter initialization is performed. (Refer to page 80)
REMARKS
⋅ For the 5.5K and 7.5K, the Pr. 0 Torque boost and Pr. 12 DC injection brake operation voltage settings are automatically changed
according to the Pr. 71 setting as follows.
Standard Motor Setting
Pr. 71
0, 2, 20, 120, 210
Pr. 0
Pr. 12
⋅ With Pr. 71 = "210" setting, Pr. 80 Motor capacity can be set only in the range of 0.75K to 55K.
Make sure to set this parameter correctly according to the motor used.
Incorrect setting may cause the motor to overheat and burn.
♦ Parameters referred to ♦
Pr. 0 Torque boost
Refer to page 87
Pr. 12 DC injection brake operation voltage
Pr. 100 to Pr. 109 (Adjustable 5 points V/F)
IPM motor control
Refer to page 77
122
Initial Value
0*
Function
(Refer to page 80)
Constant-torque Motor Setting
3%
4%
CAUTION
Refer to page 123
Refer to page 101
Setting Range
Selecting the standard motor or constant-
0, 1, 2, 20,
torque motor or IPM motor sets the
120, 210
corresponding motor thermal characteristic.
Standard
(SF-JR, etc.)
1
2%
2%
Description
Motor (
: used motor)
Constant-torque
IPM
(SF-HRCA, etc.)
(MM-EF)
IPM
(MM-EFS)

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