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FAQ within [ FREQROL-E500 ]
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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
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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
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Speed 2 operation with potentiometer on operation panel
Yes. Set parameters as below.For FR-E500Set Pr.79 =3, and Pr.146= 0.Multi-speed is prioritized.For FR-S500Set Pr.79 = 3, and Pr.53 = 1.Multi-speed is priorit... More Details >>
- No:21963
- Release Date:2018/08/22 16:30
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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
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Since a large load is applied to the motor when the electromagnetic clutch turns on, overcurrent may occur if the load is heavy. To ensure that the rated cur... More Details >>
- No:21955
- Release Date:2018/08/22 16:30
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Parameters not covered in manual are displayed
Pr.168 indicates the inverter software version.Pr.169 indicates the inverter software subversion history. These two parameters are only used by the manufactu... More Details >>
- No:21532
- Release Date:2018/08/22 16:28
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1. Pr.146 is not available. Some catalogs and manuals cover this parameter, but it is an error. The latest catalogs and manuals have been corrected to el... More Details >>
- No:21529
- Release Date:2018/08/22 16:28
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Communication operation with FR-E500
We have no sample program for RS485 communication. Since the communication method of the FR-SW0-SETUP uses a different protocol from 485 communication and st... More Details >>
- No:21451
- Release Date:2018/08/22 16:27
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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 >>
- No:21550
- Release Date:2018/08/22 16:28
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"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
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