FR-A800-R2R

When the winding ratio is large, the control according to the winding diameter is required. The upper controller has measured the winding diameter and create... More Details >>

FR-A800-R2R

The calculation is performed by two modes. One method calculates the current winding diameter automatically by moving the dancer roll from lower limit positi... More Details >>

FR-F800

Yes, it does, however, it does not acquire the certification of the BACnet association standard. More Details >>

Replacement with the FR-B, B3 (A800 specification)

In the A800 base of the FR-B and FR-B3, the Easy setup wizard is not available. Thus, some functions are restricted. More Details >>

Setting value of Pr.72 (FR-B, B3 (A800 base))

For the normal type (FR-B3) is 2 KHz. For the low-noise type (FR-B3-N), 14.5 KHz. More Details >>

Current increase at motor stop

If the current increases when the motor stops under V/F control (at low speed under a light load), the motor is considered to be in the overexcitation state.... More Details >>

Fault code

Regenerative overvoltage protection (E.OVT).This error occurs when the regenerative power returns from the motor to the inverter (for example, during deceler... More Details >>

Control method

1. Can I set the frequency by the external potentiometer when multi-speed signal is 0 (nothing is input)?-> It is possible by using the external operation... More Details >>

Power supply ON/OFF

1. It is OK to open MC on the output side while the inverter is operating.2. It is OK to open the input side in case of emergency stop. 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 >>