Encoder feedback control wire

If the phase A and phase B are connected reversely, encoder feedback control is not performed. Instead, the inverter is operated in normal control (V/F contr... More Details >>

Installation dimensions of the heat sink panel through attachment

The heat sink panel through attachment to the FR-A520-5.5K inverter consist of the top installation frame, bottom installation frame, and upper cover. The to... More Details >>

CC-Link

The inverters FR-A200 and V200 do not support CC-Link. (The FR-A500 series supports CC-Link.) Use the open collector output and relay output card when combin... More Details >>

PLC function

When Pr.414 is set to "1" and Pr.388 is set to "0", the PLC function is not enabled unless both the SQ signal from communication and the SQ signal from the e... More Details >>

FR-BLF

□□□□□□ Year Month (Control number) The last digit of the manufactured year is indicated as the Year, and the Month is indicated by (A → B → C... ⇒ January → ... More Details >>

Country of origin

The country in which the product is manufactured is described on the rating plate as MADE IN JAPAN or MADE IN CHINA. More Details >>

Pre-excitation, zero-speed control, and servo lock

Pre-excitation is the process to control current while a motor is stopped so that motor torque can be generated immediately. There are two methods for this p... More Details >>

Is this a failure?

The following are check points for abnormal conditions in addition to those given in the FR-Z200 manual. 　1. Are the forward and reverse signals input simult... More Details >>

Operation panel and FR-PA07

Since the operation panel and PU connector cannot be specified for command source at the same time, they cannot be used together. More Details >>

Parameter unit

The FR-PU07(BB) can be used with some restrictions.* The major restrictions are as follows. - Pr.1000 or later cannot be set. - Alarms or warnings that are a... More Details >>