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 >>

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 >>

Inverter operation against power supply voltage drop

Depending on the load current, undervoltage protection (UVT) or instantaneous power failure protection (IPF) is triggered to shut off the inverter output, an... More Details >>

Monitor output

The FM output is the 1440 Hz, 1 mA pulse train output at full scale. You can input to the programmable controller if it has a pulse train input. A68AD does n... More Details >>

Current value monitor

The current value can be displayed on the operation panel without regard to the setting of monitor-related parameters. As the current value remains 0 A, the ... More Details >>

FR-A8NC

The torque limit setting is defined as an absolute value. Thus, when -100% is written to the torque limit, the torque is limited at 100%. More Details >>

FR Configurator2

Both parameter files (pr4) and system files (frc2) can be read. More Details >>

S-shape acceleration/deceleration of the FR-D700

It does not change even when General-purpose magnetic flux vector control is performed. Pr.3 is the inflection point of the S-shape. More Details >>

What are the specifications of totally enclosed type?

The totally enclosed type is JEM1030 IP40. (IP40: Structure that prevents the tip of a solid object exceeding 1 mm in diameter or thickness (wire or steel be... More Details >>

"OV3" occurs during an inverter stop.

An error may have occurred due to the rise of the main circuit voltage of the inverter caused by a power surge. Check for the power supply voltage. If the ca... More Details >>