FAQ


FAQAbout Products
- FAQ > Drive Products > Inverters-FREQROL
FAQ
Keyword Search
Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
-
Inverter installation when using the FR-A7NCE
Normally, the required space for A700 3.7K or lower is 1 cm. However, when using CC-Link IE, it needs to be separated for 5 cm or more to pass the cable. More Details >>
- No:21227
- Release Date:2018/08/22 16:26
- Category: Inverters-FREQROL
-
Vector control of the inverter
The speed fluctuation ratio under Advanced magnetic flux vector control of the FR-A500 is as follows. Without encoder: ±1% With encoder (with A5AP): ±0. 02 %... More Details >>
- No:21369
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
-
Comparison of the speed change rate
Speed fluctuation ratio differs depending on the control method as follows. - V/F control?????????2 to 5% (At the encoder feedback: 0.02%)- General-purpose m... More Details >>
- No:21377
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL
-
Countermeasure against the harmful effect on model selection and other devices
Harmful elements that may affect other devices through the input side of the inverter include noise and harmonics. Harmonics can be reduced by inserting the ... More Details >>
- No:21396
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL
-
When measuring current, if you open the output side while current is flowing on the input side, high voltage is induced and dielectric breakdown may occur wi... More Details >>
- No:21399
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL
-
I cannot answer clearly because the load is unknown. The operation cycle of operating for 10 seconds and stopping for 10 seconds is OK, but it is questionabl... More Details >>
- No:21474
- Release Date:2018/08/22 16:27
- Category: FREQROL-E500
-
Heat generation quantity of FR-A500
The heat generation quantity of the FR-A520-5.5K is 310 W. (Reference: The heat generation quantity of the FR-A220E-5.5K is 330 W.) For other capacities, ref... More Details >>
- No:21515
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
-
Using a general-purpose inverter to drive a three-phase induction motor can save energy under the following two types of loads (application): 1. Constant-t... More Details >>
- No:21537
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL
-
Countermeasure against oil mist
1. You cannot use the inverter in an environment where it is exposed to oil mist. You need to enclose the inverter in an enclosure and then install the encl... More Details >>
- No:21538
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
-
Faults history upon power failure
When an instantaneous power failure of 100 msec or longer occurs, the inverter is reset* and it is not recognized as a fault. Since it is not recognized as a... More Details >>
- No:21551
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
51-60 of Total 1292