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C) Motor Constant Parameters; Applied Motor; Offline Auto Tuning - Mitsubishi Electric FR-CS84-012 Instruction Manual

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5.9

(C) Motor constant parameters

Purpose
To select the motor to be used
To maximize the performance of the
induction motor
5.9.1

Applied motor

By setting the applied motor type, the thermal characteristic appropriate for the motor can be selected.
Pr.
Name
71
Applied motor
C100
 Setting the applied motor
• Refer to the following list and set the parameters according to the applied motor.
Pr.71
0
Standard motor
(Pr.71 initial value)
1
Constant-torque motor
Standard motor
2
Adjustable 3 points V/F (Refer to
NOTE
• Regardless of the Pr.71 setting, offline auto tuning can be performed according to Pr.96 Auto tuning setting/status. (Refer
to
page 147
for offline auto tuning.)
Parameters referred to
page 193
Pr.0 Torque boost
Pr.12 DC injection brake operation voltage
page 147
Pr.96 Auto tuning setting/status
Pr.100 to Pr.105 (Adjustable 3 points V/F)
Pr.178 to Pr.182 (Input terminal function selection)
5.9.2

Offline auto tuning

GP MFVC
GP MFVC
The offline auto tuning enables the optimal operation of a motor.
• Under General-purpose magnetic flux vector control, offline auto tuning enables optimal operation of motors even when
the wiring distance is long.
Pr.
Name
71
Applied motor
C100
80
Motor capacity
C101
9
Electronic
C103
thermal O/L relay
96
Auto tuning
C110
setting/status
90
Motor constant
C120
(R1)
82
Motor excitation
C125
current
Applied motor
Offline auto tuning
Initial value
0
0 to 2
Motor
page
195.)
page 197
page 195
page 142
Initial
Setting range
value
0
0 to 2
0.2 to 15 kW
9999
9999
Inverter
rated
0 to 500 A
current
0
0
1
9999
0 to 50 Ω, 9999
9999
0 to 500 A, 9999
Parameter to set
P.C100
Pr.71
P.C100, P.C101,
Pr.9, Pr.71, Pr.80,
P.C103, P.C110,
Pr.82, Pr.90, Pr.96
P.C120, P.C125
Setting range
By selecting a motor, the thermal characteristic
and motor constant of each motor are set.
Electronic thermal O/L relay
function
Standard
Constant-torque
By selecting a motor, the thermal characteristic and motor
constant of each motor are set.
Set the applied motor capacity.
V/F control
Set the rated motor current.
No offline auto tuning
Offline auto tuning is performed without rotating the motor.
Tuning data (The value measured by offline auto tuning is
automatically set.)
9999: The constant value of Mitsubishi Electric motor is used.
Refer to page
147
147
Description
Description
5. PARAMETERS
5.9 (C) Motor constant parameters
2
2
3
4
5
6
7
8
9
10
147

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