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To Exhibit The Best Performance Of The Motor Performance (offline Auto Tuning) (pr. 71, Pr. 83, Pr. 84, Pr. 96) - Mitsubishi Electric FR-E700 Basic Instruction Manual

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3.3.9
To exhibit the best performance of the motor performance (offline auto tuning)
(Pr. 71, Pr. 83, Pr. 84, Pr. 96)
The motor performance can be maximized with offline auto tuning.
What is offline auto tuning?
When performing Advanced magnetic flux vector control or General-purpose magnetic flux vector control, the motor
can be run with the optimum operating characteristics by automatically measuring the motor constants (offline auto
tuning) even when each motor constants differs, other manufacturer's motor is used, or the wiring length is long.
Parameter
Name
Number
71
Applied motor
83
Rated motor voltage
84
Rated motor frequency
Auto tuning setting/
96
status
POINT
This function is valid only when a value other than "9999" is set in Pr. 80 and Pr. 81 and Advanced magnetic flux
vector control or General-purpose magnetic flux vector control is selected.
You can copy the offline auto tuning data (motor constants) to another inverter with the PU (FR-PU07).
Even when motors (other manufacturer's motor, SF-JRC, etc.) other than Mitsubishi standard motor, high
efficiency motor (SF-JR, SF-HR 0.2kW or more), and Mitsubishi constant-torque motor (SF-JRCA four-pole,
SF-HRCA 0.4kW to 15kW) are used or the wiring length is long, using the offline auto tuning function runs the
motor with the optimum operating characteristics.
Tuning is enabled even when a load is connected to the motor.
As the motor may run slightly, fix the motor securely with a mechanical brake or make sure that there will be no
problem in safety if the motor runs (caution is required especially in elevator). Note that tuning performance is
unaffected even if the motor runs slightly.
Reading/writing/copy of motor constants tuned by offline auto tuning are enabled.
The offline auto tuning status can be monitored with the operation panel and PU (FR-PU04/FR-PU07).
Do not connect a surge voltage suppression filter (FR-ASF-H/FR-BMF-H) between the inverter and motor.
Initial Value
Setting Range
0, 1, 3 to 6,
0
13 to 16, 23, 24, 40,
43, 44, 50, 53, 54
100V,
200V
200V class
0 to 1000V
400V class
400V
60Hz
10 to 120Hz
11
0
21
Before operation
Description
By selecting a standard motor or constant-
torque motor, thermal characteristic and motor
constants of each motor are set.
Rated motor voltage (V).
Rated motor frequency (Hz).
0
Offline auto tuning is not performed
For Advanced magnetic flux vector control
1
Offline auto tuning is performed without motor
running (all motor constants).
For General-purpose magnetic flux vector
control
Offline auto tuning is performed without motor
running.
(motor constant (R1) only)
Offline auto tuning for V/F control (automatic
restart after instantaneous power failure (with
frequency search)) (
the Instruction Manual (applied))
refer to the chapter 4 of
3
51

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