FAQ


FAQAbout Products

- FAQ > Drive Products > Inverters-FREQROL > FREQROL-F500
FAQ
Keyword Search
FAQ within [ FREQROL-F500 ]
-
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
-
Inverter drive of 400 V class motor
When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.This surge voltage deteriorates insulation of the m... More Details >>
- No:21926
- Release Date:2018/08/22 16:30
-
Surge voltage of 400 V inverter
No. Although the carrier frequency increases or decreases the switching count, the switching speed is the OFF-to-ON speed of the IGBT element of the inverter... More Details >>
- No:21401
- Release Date:2018/08/22 16:27
-
Power factor improving effect by option
Installing the high power factor converter brings the power factor improving effect of 99% or higher.Therefore, when the high power factor converter is used,... More Details >>
- No:22020
- Release Date:2018/08/22 16:30
-
1. By setting Pr.158 (Terminal AM function selection) to "21" (Reference voltage output), 10 V is output from the terminal AM.2. Read Pr.901 in the PU operat... More Details >>
- No:21936
- Release Date:2018/08/22 16:30
-
Frequency does not rise with blower
Our suggestion is to adjust the following parameters:1. Set Pr.14 = 0. If the V/F pattern for variable-torque load (Pr.14 = 1) is used, the current may incre... More Details >>
- No:22060
- Release Date:2018/08/22 16:30
-
Speed control failure due to 20 mA from DC 4
It seems that there is a read error for 20 mA DC inside the inverter.Setting Pr.905 to 50 Hz while 20 mA DC is actually flowing between the terminals 4 and 5... More Details >>
- No:21998
- Release Date:2018/08/22 16:30
-
Pr.133 can be written.Since the data code numbers of parameters are duplicate, target parameters are switched by link parameter extended setting.You can acce... More Details >>
- No:21976
- Release Date:2018/08/22 16:30
-
Concurrent monitoring of running frequency, output voltage, and output current
Add an analog output by the FR-A5AY.Monitor the three output; output AM (0 to 5 (10) V) and optional 4 to 20 mA, and 0 to 5 (10) V. More Details >>
- No:21959
- Release Date:2018/08/22 16:30
-
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 >>
- No:21924
- Release Date:2018/08/22 16:30
1-10 of Total 15