How many inverters can I connect using the communication unit?

Since the communication unit conforms to the EIA Standard RS-485, up to 32 inverters can be connected. (Transmission format: Multidrop link, total wiring len... More Details >>

Power supply capacity

Since the input power factor is improved to approximately 1, the power supply capacity can be reduced to 2/3 to 3/4 of an inverter without a power factor imp... More Details >>

Energy consumption

Using a general-purpose inverter to drive a three-phase induction motor can save energy under the following two types of loads (application): 　　1. Constant-t... More Details >>

Not operating on Windows95

This error depends on the application and the cause is unknown. (The runtime error '31037' is not returned from this application but from the OS (Windows).) ... More Details >>

Auxiliary input power supply

If you connect two frequency setting potentiometers to the terminals 5 and 10, the permissible current of 10 mA is exceeded, and you need to install 2 KΩ res... More Details >>

Multi-speed operation

Use the first contact (relay) for the forward (or reverse) rotation between the terminals STF and SD. Use the second contact (relay) for the high-speed comma... 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 >>

Analog ammeter

We recommend the "YM206RI 1 mA" analog ammeter. More Details >>

Inverter control power supply

The FR-E540 uses common input for the control power supply and main circuit power supply. (It has only one power supply input terminal.) Therefore, you canno... More Details >>

Selection method of the reactor

For the use of the 400 V class inverter, the surge voltage suppression filter FR-ASF is provided to suppress the surge voltage occurred at the motor terminal... More Details >>