Leakage current

It is 1 mA as the 700 series. More Details >>

Input power supply circuit breaker

When using a motor circuit breaker, the rated current of the motor circuit breaker to use must be equal to or higher than the rated current of the circuit br... More Details >>

Installation of external thermal

Since the inverter has a built-in motor overheat protective function called "electronic thermal O/L relay", the external thermal is not required. (If you use... More Details >>

Installing contactor on input side

It is not recommended to install a contactor on the input side and connect the auxiliary contact to the terminal STF of the inverter for the following reason... 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 >>

Countermeasure against the harmful effect on model selection and other devices

Harmful elements that may affect other devices through the input side of the inverter include noise and harmonics. Harmonics can be reduced by inserting the ... More Details >>

Earthing (grounding) of FR-A7NC (E kit)

There is no problem, however, earthing (grounding) from each FG terminal is recommended to avoid the influence of noises. More Details >>

Speed command by CC-Link communication

It is not possible when the speed command is communication. More Details >>

Wiring length

Refer to the inverter capacity. More Details >>

Watt-hour meter clear and operation hour meter clear

The values are set to Pr.170 and 171 when the monitor value of cumulative power and actual operation time overflows. It does not affect the operation. Use it... More Details >>