Inverter analog output

Since the inverter has only one voltage output (10 VDC) from terminal AM as the analog monitor, use the FR-EPA or FR-EPE option if you need two channels. The... More Details >>

Is this a failure?

The following are check points for abnormal conditions in addition to those given in the FR-Z200 manual. 　1. Are the forward and reverse signals input simult... 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 >>

A100 inverter loss

The inverter efficiency (power factor) for the inverter alone is approximately 75 to 80%. However, by installing the power factor improving DC reactor to the... More Details >>

Certificate for special tax reduction for first year facilities

The special tax reduction for first year facilities is the taxation system for promoting investment in the reform of the energy supply. The required certific... More Details >>

Amount of heat

The inverter (FR-A520-5.5K) itself generates approximately 310 W of heat. This is the amount generated under the inverter rated current 100% load. Since the ... More Details >>

Frequency monitor display fault

This can occur if the parameter unit window display is set to "Frequency setting value". If the screen display selection (first monitored window) is set to "... More Details >>

Installing contactor on input side

It is not recommended to install a contactor on the input side and connect the auxiliary contact to the terminal STF of the inverter for the following reason... More Details >>

Connection with personal computer

Connection method for the A500 and E500 is shown in the figure below. The figure is given in an Excel file. Figure 1 More Details >>

Countermeasure against oil mist

1. You cannot use the inverter in an environment where it is exposed to oil mist. 　You need to enclose the inverter in an enclosure and then install the encl... More Details >>