
Trial Operation
5.2.5 Autotuning
- 6
4.
Replace the front cover.
400/415V
21CN
380V
440V
460V
23CN 24CN 25CN 26CN 22CN FU2
20CN
TB2
r
Jumper
Fig
5.1
Setting the Power Supply Voltage (Illustration Above is for 400 V Class Inverter
between 18.5 kW and 45 kW)
J
Motor Selection (Motor Overheating Protection): E1-02
Set the type of motor being used with the motor selection constant (E1-02). This setting is a reference for
the motor overheat protection.
User
Change
during
Setting
Factory
Valid Access Levels
User
Constant
Number
Name
during
Opera-
tion
Setting
Range
Unit
Factory
Setting
Open Loop
Vector
Flux Vector
E1-02
Motor selection
(motor overheating
protection)
0 to 2
--
0
Q
Q
D
E1-02 Settings
Setting
Function
0
Standard motor (general-purpose motor)
1
Special motor (inverter-exclusive motor)
2
Special motor (vector-exclusive motor)
5.2.5 Autotuning
J
Autotuning Operation
Use the following procedure to autotune the motor constants, i.e., set them automatically.
Step
Key Sequence
Digital Operator Display
Remarks
MC5
Main Menu
Programming
Displays programming mode.
1
MC5
Main Menu
Auto--Tuning
Displays autotuning mode.
2
DATA
ENTER
Rated Voltage
*
1
200. 0 VAC
Displays the rated voltage.
*2
3
Rated Current
*
1
1. 90 A
Displays the rated current.
*2
4
Rated Frequency
*
1
60. 0 HZ
Displays the rated frequency.
*2
5
Rated Speed
*
1
1750 RPM
Displays the rated speed.
*2
6
Number of Poles
*
1
4
Displays the number of poles.
*2
7
Select Motor 1/2
1
Displays the motor selection.
(Leave set at “1” for motor 1 (the nor-
mally used motor constants).)
8
Tuning Ready ?
Press RUN key
Displays a confirmation prompt for
the start of the autotuning function.
(The lower line will blink.)
9
RUN
Tune Proceeding
HZ
A
Starts the autotuning function.
(The upper line will blink.)
5