Mitsubishi FR-A800

(C) Motor constant parameters
PARAMETERS
453
5
GROUP
C
90
C120
Motor constant (R1)
9999
0 to 50 , 9999

Tuning data
(The value measured by offline auto
tuning is automatically set.)
9999: Uses the MM-CF constant for the
IPM motor MM-CF, and the inverter
internal data for a PM motor other than
MM-CF.
0 to 400 m, 9999

92
C122
Motor constant (L1)/d-axis
inductance (Ld)
9999
0 to 500 mH, 9999

0 to 50 mH, 9999
93
C123
Motor constant (L2)/q-axis
inductance (Lq)
9999
0 to 500 mH, 9999

0 to 50 mH, 9999
859
C126
Torque current/Rated PM
motor current
9999
0 to 500 A, 9999

0 to 3600 A, 9999
706
C130
Induced voltage constant
(phi f)
9999
0 to 5000 mV/(rad/s)

Set this parameter according to the PM
motor specifications.
9999
The value calculated by the motor
constant parameter setting is used.
711
C131
Motor Ld decay ratio
9999 0 to 100%, 9999
Tuning data
(The value measured by offline auto
tuning is automatically set.)
9999: Uses the MM-CF constant for the
IPM motor MM-CF, and the inverter
internal data for a PM motor other than
MM-CF.
712
C132
Motor Lq decay ratio
9999 0 to 100%, 9999
717
C182
Starting resistance tuning
compensation
9999 0 to 200%, 9999
721
C185
Starting magnetic pole
position detection pulse
width
9999
0 to 6000 s,
10000 to 16000 s, 9999
725
C133
Motor protection current
level
9999
100 to 500%
Set the maximum current (OCT) level of
the motor.
9999
Uses the MM-CF constant for the IPM
motor MM-CF, and 200% for a PM motor
other than MM-CF.
450
C200
Second applied motor
9999
0, 1, 3 to 6, 13 to 16, 20, 23, 24,
30, 33, 34, 40, 43, 44, 50, 53, 54,
70, 73, 74, 330, 333, 334, 8090,
8093, 8094, 9090, 9093, 9094
Set this parameter when using the second
motor.
(the same specifications as Pr.71).
9999 The function is disabled.
453
C201
Second motor capacity
9999
0.4 to 55 kW

Set the capacity of the second motor.
0 to 3600 kW

9999 V/F control
454
C202
Number of second motor
poles
9999
2, 4, 6, 8, 10, 12
Set the number of poles of the second
motor.
9999 V/F control
51
C203
Second electronic thermal
O/L relay
9999
0 to 500 A

Set the rated current of the second motor.
0 to 3600 A

9999
Second electronic thermal O/L relay
disabled.
456
C204
Rated second motor
voltage
200/400
V

0 to 1000 V
Set the rated voltage (V) of the second
motor.
457
C205
Rated second motor
frequency
9999
10 to 400 Hz
Set the rated frequency (Hz) of the
second motor.
9999
The MM-CF constant is used when the
IPM motor MM-CF is selected for the
second motor, and the inverter internal
data is used when a PM motor other than
MM-CF is selected. Use the correct
setting according to the motor
specification.
743
C206
Second motor maximum
frequency
9999
0 to 400 Hz
Set the maximum frequency of the
second motor.
9999
The maximum frequency of an MM-CF
motor when MM-CF is selected.
The setting value of Pr.457 is used for
non-MM-CF motors.
744
C207
Second motor inertia
(integer)
9999 10 to 999, 9999
Set the inertia of the second motor.
9999: Uses MM-CF inertia for the IPM
motor MM-CF.
745
C208
Second motor inertia
(exponent)
9999 0 to 7, 9999
Pr. Name
Initial
value
Setting range Description