Mitsubishi FR-E520-0.1KN

PARAMETERS
113
<Setting the motor constant as desired>
!
To set the motor constant without using the offline auto tuning data
<Operating procedure>
1. Set "801" in Pr. 77. Only when the Pr. 80 setting is other than "9999", the
parameter value of the motor constant (Pr. 90) can be displayed. Though the
parameter values of other than the motor constant (Pr. 90) can also be displayed,
they are parameters for manufacturer setting and should be handled carefully
without misuse.
2. Set any of the following values in Pr. 71:
Star Connection
Motor
Delta Connection
Motor
Standard motor 5 or 105 6 or 106
Setting
Constant-torque motor 15 or 115 16 or 116
By setting any of "105 to 116", the electronic overcurrent protection changes to the
thermal characteristics of the constant-torque motor when the RT signal switches on.
3. In the parameter setting mode, read the following parameters and set desired
values:
Parameter
Number
Name Setting Range
Setting
Increments
Factory
Setting
82
Motor exciting
current
0 to 500A, 9999 0.01A 9999
90 Motor constant (R1) 0 to 10
Ω
, 9999 0.001
Ω
9999
4. Refer to the following table and set Pr. 84:
Parameter
Number
Name Setting Range
Setting
Increments
Factory
Setting
84
Rated motor
frequency
50 to 120Hz 0.01Hz 60Hz
5. Return the Pr. 77 setting to the original value.
Note:1. The Pr. 90 value may only be read when general-purpose magnetic flux
vector control has been selected.
2. Set "9999" in Pr. 90 to use the standard motor constant (including that for
the constant-torque motor).
3. If "star connection" is mistaken for "delta connection" or vice versa during
setting of Pr. 71, general-purpose magnetic flux vector control cannot be
exercised normally.
4