Dancer control during CC-Link communication

It is not possible under the dancer control. When the negative data is written, it is handled as the positive data in operation. Example) When Pr.541 is set ... More Details >>

Wiring of CC-Link communication cable

The communication is established if DA, DB, and DG are connected each other. More Details >>

Setting when using the FR-A7AZ and SF-V5RU

Setting of Pr.408 (Thermistor selection) is required. Set as follows. For the model of SF-V5RU ending with "T" (SF-V5RU○○T): Pr.408 = 0 For the model of SF-V... More Details >>

UL standard

The MM-BF and MM-CF are not compliant. The MM-GKR is compliant with the UL standard. More Details >>

MM-EF/EFS

Since the standard bearing is adopted for the belt drive models, a creep may occur and the motor bracket may wear out. More Details >>

Speed adjustment of multiple inverters using variable resistor

You can connect up to three inverters in parallel to an external variable resistor. Refer to the figure below for a connection example. By setting parameters... More Details >>

Driving German pole change motor by inverter

I cannot tell whether or not you can drive the motor because the electrical specifications are not clear. 　It is considered that you may drive the pole chang... More Details >>

Accuracy of inverter terminal FM

The pulses output from the inverter terminal FM are not completely synchronized with the inverter output frequency. The pulse circuit from the terminal FM an... More Details >>

Single-phase 100 V series

The 0.75 kW inverter with the single-phase 100 V power supply can be manufactured and is actually commercialized as the FR-U100 series. Manufacturing of the ... 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 >>