Applied Motor (Pr. 71) - Mitsubishi Electric FR-F740-00023 Instruction Manual

4.8.2

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. 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 173)
Refer to the following list and set this parameter according to the motor used.
Pr. 71
Thermal Characteristic of the Electronic Thermal Relay Function
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 81)
20 Mitsubishi standard motor SF-JR 4P(1.5kW or less)
REMARKS
For the 00126 and 00170, 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
Pr. 0
Pr. 12
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 67
Pr. 12 DC injection brake operation voltage
Pr. 100 to Pr. 109 (Adjustable 5 points V/F)
Initial Value
0
Constant-torque Motor Setting
3%
4%
CAUTION
Refer to page 100
Refer to page 81
Selection and protection of a motor
Setting Range
Selecting the standard motor or constant-
0, 1, 2, 20 torque motor sets the corresponding motor
thermal characteristic.
Standard
(SF-JR, etc.)
1
2%
2%
Description
Motor ( : used motor)
Constant-torque
(SF-HRCA, etc.)
4
99