Analog voltage

Check the setting value of Pr.73. Or check Pr.C4 (Terminal 2 frequency setting gain) for the percentage of the voltage that is actually applied. For the FR-E... More Details >>

Interval of next power ON

The instantaneous power failure error occurs when the power is turned ON instantaneously (within 100 ms) after the power is turned OFF. When the motor is coa... More Details >>

Driving 200 V motor by 400 V inverter

Your suggested use is not recommended due to the following reasons: Output voltage of the 400 V inverter contains "micro surge". Usually this surge voltage i... More Details >>

Load current limit of inverter

You can input current from the terminal AM of the inverter to the programmable controller (for A/D conversion) and control the speed with the software of the... More Details >>

Coasting

When the inverter output shutoff signal MRS is turned on, the output is shut off immediately without regard to setting of Pr.250. More Details >>

Parameter list

The setting memo of the parameter list seal is not provided with the FR-A500 Instruction Manual. More Details >>

Compatibility with Y-△ motor and others

1. You can connect them using △ connection. 2. No problem with connecting four Y-△ motors. (Connect all four motors using △ connection.) (Note that the inver... More Details >>

Motor heat generation at low-speed operation

When using the FR-A540-3.7K in Advanced magnetic flux vector control, operating the motor continuously under the 100% torque at up to 3 Hz does not cause a h... More Details >>

Inverter loss

The inverter efficiency changes depending on the inverter output frequency, carrier frequency, motor capacity, and load factor. When the inverter and motor h... More Details >>

No load current value of motor

No load current for each power supply voltage is as follows:- Approximately 15.5 A for 200 VAC 60 Hz- Approximately 21.7 A for 220 VAC 60 HzThe current is es... More Details >>