FR-A800-R2R

It depends on machine specifications. It depends on the accuracy of the line speed input and parameter setting of material thickness. More Details >>

Frequency setting by the CC-Link

When the frequency setting value is written by the CC-Link to EEPROM, the frequency setting value set with the PU (operation panel) is changed. More Details >>

Common terminals of control circuit

If you ground the common terminals of the control circuit, it is connected with the inverter's earthing and the inverter's noise may be input to the control ... More Details >>

Countermeasure against harmonics

The following countermeasure against harmonics is available with the inverter.The values are quoted from the harmonic suppression guidelines.1. Insert the AC... More Details >>

Current value display

The motor-generated torque elements have the following relationship:Torque T = K I V/FK: ConstantI: CurrentV: VoltageF: FrequencyThe inverter regularly perfo... More Details >>

Influence on inverter at motor coasts to stop

An induction motor does not act as a power generator unless voltage is applied to it.Therefore, just rotating due to coasting does not affect the inverter. 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 >>

Current measurement method

When measuring current, if you open the output side while current is flowing on the input side, high voltage is induced and dielectric breakdown may occur wi... More Details >>

Issues of driving the wound rotor motor inverter

The wound rotor motor can be used in the same way as cage-induction motors by shortening the resistor at the secondary side. More Details >>

System environment variable of the Modbus-RTU communication

It decelerates and stops. The operation is the same as the one when the Bit of forward rotation command and reverse rotation command are turned OFF. More Details >>