Device Net classes

Class, instance, and attribute represents different grouping of objects.Comparing object grouping to a mailing address, they can be considered as follows:Sta... 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 >>

Faults history upon power failure

When an instantaneous power failure of 100 msec or longer occurs, the inverter is reset* and it is not recognized as a fault. Since it is not recognized as a... More Details >>

Analog signal resolution

The internal processing speed is not published. The analog input specifications are as follows: FR-A500???1/4000FR-E500???1/1000MR-H???1/4000 More Details >>

"Err" displayed at power-ON

This error is displayed when the inverter and operation panel FR-PU04 cannot communicate with each other correctly or the reset signal remains ON. Therefore,... More Details >>

Torque characteristic at low speed

Torque is not guaranteed for slower than 0.5 Hz. Therefore, no data for this is published. Also, no torque is generated at 0 Hz. More Details >>

Countermeasure against oil mist

1. You cannot use the inverter in an environment where it is exposed to oil mist. 　You need to enclose the inverter in an enclosure and then install the encl... More Details >>

Using control power supply

You cannot disable the error display. The OC1 overcurrent alarm is displayed. The condition to display this alarm is that the main circuit power supply is OF... More Details >>

Countermeasure against the fault occu...

When a CC-Link communication fault occurs, the option error (OP3) occurs on the inverter and the output is shut off, and the motor starts coasting. When usin... More Details >>

Overcurrent at low speed

"8" display in offline auto tuning means forced stop by the operator. This means that you stopped operation before tuning completes. 　With this forced stop, ... More Details >>