Countermeasure against inverter noise

You can attach the following filters to the inverter input side:- Line noise filter (FR-BLF, FR-BSF01)- Radio noise filter (FR-BIF) 　While it is a good idea ... More Details >>

Countermeasure against noise on input side

In general, the line noise filter (FR-BLF) is used against the power supply noise. The AC reactor also works. As other countermeasures:- Use a metal conduit ... More Details >>

Static torque

When a vector inverter is used for position control, the servo lock works when it is stopped. When the start signal (STF or STR) is turned ON, the servo lock... More Details >>

Replacement of parts

In general, 1. The user cannot check the part for decision. 2. The user cannot replace the part as well. However, the user can replace the cooling fan if he ... More Details >>

FR-A5CN

When the heat sink is outside, since the heat sink and fan are not waterproof, you need to enclose them so that they are not exposed to the spray of water. More Details >>

Driving 200 V motor by 400 V inverter

Your suggested use is not recommended due to the following reasons: Output voltage of the 400 V inverter contains "micro surge". Usually this surge voltage i... More Details >>

Automatic restart after instantaneous power failure

The inverter restart operation is disabled at turn-OFF of the CS signal while a value other than "9999" (with restart) is set in Pr.57. The terminals CS and ... More Details >>

FR-A7NCE connector

No, they are not connected inside the inverter. More Details >>

Electronic bypass function

No, it cannot be normally closed contact. When the electronic bypass function is used, the setting of Pr.17 is disabled. More Details >>

Electronic bypass function

Turn ON and OFF the RES signal to enable the inverter-driven operation. More Details >>