Omron MX2 - Set the Motor Base Frequency and AVR Voltage of the Motor

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Using the Front Panel Keypad Section 2-5
If the Potentiometer Enable LED is OFF, follow these steps below (the table
resumes action from the end of the previous table).
Note After completing the steps above, the Run Key Enable LED will be ON. This
does not mean the motor is trying to run; it means that the RUN key is now
enabled. DO NOT press the RUN key at this time – complete the parameter
setup first.
3. Set the Motor Base Frequency and AVR voltage of the motor – The
motor is designed to operate at a specific AC frequency. Most commercial
motors are designed for 50/60 Hz operation. First, check the motor specifica-
tions. Then follow the steps below to verify the setting or correct it for your
motor. DO NOT set it greater than 50/60 Hz unless the motor manufacturer
specifically approves operation at the higher frequency.
!Caution If you operate a motor at a frequency higher than the inverter standard default
setting (50 Hz/60 Hz), be sure to check the motor and machine specifications
with the respective manufacturer. Only operate the motor at elevated frequen-
cies after getting their approval. Otherwise, there is the danger of equipment
damage.
Set the AVR Voltage Setting – The inverter has an Automatic Voltage Regula-
tion (AVR) function. It adjusts the output voltage to match the motor's name-
plate voltage rating. The AVR smoothes out fluctuation in the input power
source, but note that it does not boost the voltage in the event of a brown-out.
Use the AVR setting (A082) that most closely matches the one for your motor.
• 200 V class: 200 / 215 / 220 / 230 / 240 VAC
• 400 V class: 380 / 400 / 415 / 440 / 460 / 480 VAC
Action Display Func./Parameter
(Starting point) Speed command source setting
Press the key
Run command source setting
Press the key
01... Control terminals
02... Digital operator
03... ModBus network input
etc.
Press the / key to select
02... Digital operator (selected)
Press the key to store
Stores parameter, returns to "A002"
A001
A002
01
02
A002
Action Display Func./Parameter
(Starting point) Run command source setting
Press the key once
Base frequency setting
Press the key
or
Default value for the base frequency
US = 60 Hz, Europe = 50 Hz
Press the / key to select
Set to your motor specs (your display
may be different)
Press the key
Stores parameter, returns to "A003"
A002
A003
60.0
50.0
60.0
A003