Motor Parameter Settings - Omron MX2 Series User Manual

6-1-3

Motor Parameter Settings

• Normally, you perform offline auto-tuning to set motor parameters.
However, if the offline auto-tuning process is aborted, for example, when the inverter does not reach
50% of its rated current during auto-tuning, you need to set the motor parameters manually.
• To configure the motor parameters manually, set the 1st/2nd Motor Parameter Selection
(H002/H202) to 00 (Standard motor parameter).
To maximize the performance of vector control, adjust the parameter values according to your motor.
• Obtain your motor's datasheet from the motor manufacturer and set each motor parameter.
The following values must be set as 50-Hz converted data for one phase in Y-connection.
Winding resistance
on primary side of motor (H020/H220) : Set the wiring resistance (in
Winding resistance
on secondary side of motor (H021/H221): Set the wiring resistance (in
Motor leakage inductance (H022/H222) : Set the leakage inductance (in mH) of the motor for one
Motor no-load current (H023/H223)
Moment of inertia (H024/H224)
• After setting each motor parameter, adjust the parameter values according to 6-1-4 Adjustments for
Sensorless Vector Control on page 6-10.
• 1st/2nd Speed Response (H005/H205) are parameters to adjust the speed response of sensorless
vector control. Increase the set value to enhance the responsiveness and decrease it if motor hunting
occurs.
Parameter
No.
1st/2nd Motor Parameter Selection 00:
H002/H202
1st/2nd Motor Capacity
H003/H203
1st/2nd Motor Pole Number
H004/H204
H005/H205 1st/2nd Speed Response
1st/2nd Motor Parameter R1 (Wind-
H020/H220
ing resistance on primary side)
1st/2nd Motor Parameter R2 (Wind-
H021/H221
ing resistance on secondary side)
1st/2nd Motor Parameter L (Leak-
H022/H222
age inductance)
1st/2nd Motor Parameter Io
H023/H223
(No-load current)
1st/2nd Motor Parameter J
(Moment of inertia)
H024/H224
Multi-function Compact Inverter 3G3MX2-V1 User's Manual (I585-E1)
motor for one phase in Y-connection.
the motor for one phase in Y-connection.
phase in Y-connection.
: Set the no-load current of the motor, or set the current
value measured when the motor is in isolated no-load run
at 50 Hz.
: Calculate the motor-shaft conversion of the moment of
inertia of the load machine, add the moment of inertia of
the motor to it, and set the sum.
Function name
02:
0.1/0.2/0.4/0.55/0.75/1.1/1.5/2.2/3.0/
3.7/4.0/5.5/7.5/11.0/15.0/18.5
2/4/6/8
10 to 48: Do not set.
1. to 1000.
0.001 to 9.999
10.00 to 65.53
0.01 to 99.99
100.0 to 655.3
0.01 to 99.99
100.0 to 655.3
0.001 to 9.999
10.00 to 99.99
100.0 to 999.9
1000. to 9999.
6 Vector Control and Applied Functions
Ω ) on the primary side of the
Ω ) on the secondary side of
Data
Standard motor parameter
(Applies H020/H220 to H024/H224
data to motor parameters.)
Auto-tuning parameter
6
Default data Unit
−
00
Maximum
applicable
kW
motor
capacity
4 pole
−
100.
Ω
Dependent mH
on motor
capacity
A
2
kgm
6 - 9