Installation method

If multiple line noise filters are wound without clearance between them, the noise reduction effect corresponding to the number of filters cannot be obtained... More Details >>

Endurance

The estimated lives of the parts of the FREQROL-E500 are as follows: Cooling fan at surrounding air temperature of 35 deg C???30,000 hrsPower supply smoothin... More Details >>

Operation command terminal switching

It rotates in the forward direction while STF is ON.And then, when STR is turned ON and STF is turned OFF, the inverter decelerates down to 0 Hz within the s... More Details >>

Selection

Refer to the following points.For fan pump -> Square torqueFor general-purpose machine (for example, transport, elevation) -> Constant-torque type More Details >>

Position control

The servo motor provides the highest precision and response.With the vector inverter, position control using pulse train input ensures position control at pr... More Details >>

Fault contact when connecting separate power supply for each control circuit

Since the inverter's fault contact is an NC contact, it does not open unless a fault occurs.Therefore, when the control power supply (and main circuit power ... More Details >>

Using both types of power factor improving reactors

Yes.By using both types of reactors together, you can reduce the outgoing harmonic current.For examples of harmonics reduction, refer to the value in the har... More Details >>

Fault output contact rating

They are capable of a load of 5 VDC±5% and 10 mA. More Details >>

External thermal overheat

Take the following countermeasure:1. If the thermal trips in low-speed operation, trips can be avoided, depending on the external thermal relay operation cha... 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 >>