FAQ


FAQAbout Products
- FAQ > Drive Products > Inverters-FREQROL > Others
FAQ
Keyword Search
FAQ within [ Others ]
-
Yes. Use FR-CB20□. More Details >>
- No:21697
- Release Date:2018/08/22 16:28
-
Replacement of the SF-JR with the SF-PR
Since the SF-PR is more efficient compared to the SF-JR, the resistance will decrease and the load current will increase. Check the following two points when... More Details >>
- No:20949
- Release Date:2018/08/22 16:25
-
Connection with pole change motor
Since the inverter allows for changing speed, fix the number of poles when using the pole change motor. It is recommended to fix the number of poles to four ... More Details >>
- No:21486
- Release Date:2018/08/22 16:27
-
PWM is an acronym for Pulse Width Modulation and varies the switching pulse width of transistors. This method creates many pulses within a single cycle of th... More Details >>
- No:21530
- Release Date:2018/08/22 16:28
-
Countermeasure against inverter noise
You can attach the following filters to the inverter input side:- Line noise filter (FR-BLF, FR-BSF01)- Radio noise filter (FR-BIF) While it is a good idea ... More Details >>
- No:21528
- Release Date:2018/08/22 16:28
-
Countermeasure against noise on input side
In general, the line noise filter (FR-BLF) is used against the power supply noise. The AC reactor also works. As other countermeasures:- Use a metal conduit ... More Details >>
- No:21517
- Release Date:2018/08/22 16:28
-
They are not available. More Details >>
- No:21138
- Release Date:2018/08/22 16:26
-
It is a gap intentionally set in the movement direction between the machine elements that mesh with each other such as a cogwheel used for the reduction gear. More Details >>
- No:21065
- Release Date:2018/08/22 16:25
-
Surge voltage of 400 V inverter
1. Since the voltage resistance of the standard motor is not improved, it is recommended to use an "insulation-enhanced motor".If you are using an insulation... More Details >>
- No:21957
- Release Date:2018/08/22 16:30
-
Yes. More Details >>
- No:21704
- Release Date:2018/08/22 16:29
21-30 of Total 53