FAQ


FAQAbout Products

- FAQ > Drive Products > Inverters-FREQROL > FREQROL-E500
FAQ
Keyword Search
FAQ within [ FREQROL-E500 ]
-
Measure the megger values on the inverter's output side.If there is no problem:If the motor capacity is extremely smaller than the inverter capacity (as a gu... More Details >>
- No:21933
- Release Date:2018/08/22 16:30
-
Deceleration overvoltage (E.OV3)
While the FREQROL-Z200 series and A500 series have a brake resistor built in the capacity up to 7.5K, the FREQROL-E500 series does not have a built-in brake ... More Details >>
- No:21993
- Release Date:2018/08/22 16:30
-
Err display on operation panel
The following causes are probable for this Err display:- Operation error (for example, you tried to input a value other than the available range of parameter... More Details >>
- No:22063
- Release Date:2018/08/22 16:30
-
Parameter No.79 (Operation mode)
You cannot cancel multi-speed command input. When the multi-speed command is input from the terminal, you cannot use the potentiometer. Use the inverter so t... More Details >>
- No:21467
- Release Date:2018/08/22 16:27
-
Output side earth (ground) fault overcurrent protection
1. How much is the sensitivity current? When the sum of the three-phase output current of the inverter reaches approximately 70% of the inverter rated curren... More Details >>
- No:21394
- Release Date:2018/08/22 16:27
-
The following causes are probable for persistent Err. display: 1. The terminals RES and SD are always short-circuited. 2. Operation panel contact or operatio... More Details >>
- No:21412
- Release Date:2018/08/22 16:27
-
If the output current is close to 25% of the rated current, output phase loss may occur when one or two phases of three phases go below 25%.Therefore, when a... More Details >>
- No:22052
- 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
-
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
-
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
1-10 of Total 85