FAQ


FAQAbout Products
- FAQ > Drive Products > Inverters-FREQROL > FREQROL-E500
FAQ
Keyword Search
FAQ within [ FREQROL-E500 ]
-
General-purpose magnetic flux vector control is effective at low speed under a heavy load.To shorten the acceleration time, use Pr.44 to set the second accel... More Details >>
- No:22059
- Release Date:2018/08/22 16:30
-
Countermeasure against the instantaneous power failure with the inverter
The power cannot be supplied to the control power supply separately for the FR-A024/A044 and small type FR-E500. Therefore, the UPS is not available. More Details >>
- No:21368
- Release Date:2018/08/22 16:27
-
Connecting the brake resistor allows for quick deceleration because the regenerative power is processed. (The brake torque increases.)Therefore, when an exte... More Details >>
- No:22045
- Release Date:2018/08/22 16:30
-
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 >>
- No:21403
- Release Date:2018/08/22 16:27
-
Operation at external operation/stop
It is recommended to turn OFF the start signals (STF and STR) when stopping the inverter.In this case, it is not probable that the motor rotates due to a cal... More Details >>
- No:22102
- Release Date:2018/08/22 16:31
-
Difference between SU (up to frequency) and FU (frequency detection)
- SU signal (up to frequency signal)This signal is output when the inverter output frequency reaches the set frequency (the frequency the inverter is require... More Details >>
- No:21436
- Release Date:2018/08/22 16:27
-
"Err" is displayed when STF signal turns ON
Possible causes are:1. The reset signal (RES) is ON. 2. The built-in CPU is not working properly due to contact faults of the inverter parts. Check the exte... More Details >>
- No:21484
- Release Date:2018/08/22 16:27
-
The inverter uses PWM control to change the output voltage and frequency to vary the motor speed. PWM stands for Pulse Width Modulation. Voltage is chopped i... More Details >>
- No:21549
- Release Date:2018/08/22 16:28
-
It is considered to be caused by inverter PWM control. It can be suppressed by raising the PWM carrier frequency (Pr.72), but the entire noise and leakage cu... More Details >>
- No:21428
- Release Date:2018/08/22 16:27
-
Automatic overload control of inverter
The inverter has the current limit function. This automatically controls the frequency so that the preset current value may not be exceeded. (Note that the m... More Details >>
- No:21409
- Release Date:2018/08/22 16:27
61-70 of Total 84