FAQ
FAQAbout Products
- FAQ > Drive Products > Inverters-FREQROL > FREQROL-E500
FAQ
Keyword Search
FAQ within [ FREQROL-E500 ]
-
Instantaneous power failure of facilities
1. If the start signal is present when the power and communication restore, the inverter starts operation. 2. Similarly to the above, if the start signal is ... More Details >>
- No:22093
- Release Date:2018/08/22 16:30
-
Square wave input is not recommended since it can cause failures (for example, damage the diode bridge). More Details >>
- No:22106
- Release Date:2018/08/22 16:31
-
Countermeasure against the instantaneous power failure with the inverter
The power cannot be supplied to the control power supply separately for the FR-A024/A044 and small type FR-E500. Therefore, the UPS is not available. More Details >>
- No:21368
- Release Date:2018/08/22 16:27
-
Countermeasures when input power supply is turned off upon equipment fault
1. When the inverter power supply is turned OFF, the inverter is disconnected from the CC-Link network. However, since the CC-Link master station has the aut... More Details >>
- No:21390
- Release Date:2018/08/22 16:27
-
When the wire between the 400 V inverter and motor is long (20 m or longer), surge voltage occurs momentarily. This voltage is as two or more times as the DC... More Details >>
- No:21404
- Release Date:2018/08/22 16:27
-
Indication of potentiometer on operation panel
The potentiometer on the operation panel is initially calibrated so that the maximum indication is slightly over 60 Hz with the potentiometer turned to the m... More Details >>
- No:21427
- Release Date:2018/08/22 16:27
-
Frequent occurrences of OL means that the inverter is overloaded. Since the inverter can go faulty if it is constantly overloaded, you need to take a counter... More Details >>
- No:21430
- Release Date:2018/08/22 16:27
-
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
-
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
-
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
41-50 of Total 85