Parameter setting

Check if Pr.13 (Starting frequency) is set to higher than 10 Hz.Also check if a signal is input through the terminal MRS. More Details >>

Motor with an attached brake

Connecting it causes no problem. More Details >>

Inverter output stop

1. Such a behavior does not usually happen. 　(1) The operation command (STF) is not input, contact faults are present, or wire is broken. 　(2) The output shu... More Details >>

Term definition and advanced magnetic flux control

1. Maximum torque available for output from the motor when combined with an inverter for a short period of time (1 minute or less). 　　It depends on the contr... More Details >>

Acquisition of pressure-resistant explosion-proof certification

The test institutes assigned by the Minister of Health, Labour and Welfare (National Institute of Occupational Safety and Health and Technology Institution o... More Details >>

Controlling multiple VVVFs via communication from personal computer

To control multiple inverters using arbitrary signals (4 to 20 mA) simultaneously, it is recommended to connect the signals (4 to 20 mA) in series. (This doe... More Details >>

Inverter circuit breaker selection

Since the inverter leakage current is in proportion to the switching voltage of the transistor of the main circuit, the leakage current for the 400 V system ... More Details >>

Detection of the motor load

An inverter is used to rotate a motor but it cannot be used to detect whether the belt is broken or not. However, the magnitude of the load will change when ... More Details >>

FR-PA02

The operation panel FR-PA02 requires the optional FR-E5P (control panel rear cover and adapter set) and connection cable FR-CB20□. Check that Pr.146 (Built-i... More Details >>

Connection cable of FR-Configurator

The following USB connectors are available.For FR-A700: USB B connector (B receptacle)For FR-E700: USB Mini-B connector (Mini-B receptacle) Use the USB cable... More Details >>