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Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
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Using a higher grade power factor improving reactor
Using a reactor under a load lighter than the rated capacity slightly spoils its effect in improving the power factor.Therefore, you should use a reactor wit... More Details >>
- No:21935
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , Options
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If you are using an external VR, influence by noise is probable.Setting Pr.74 (Input filter time constant) to a higher value stabilizes the frequency command... More Details >>
- No:22061
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-E500
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S-shape acceleration/deceleration of the FR-D700
It does not change even when General-purpose magnetic flux vector control is performed. Pr.3 is the inflection point of the S-shape. More Details >>
- No:20834
- Release Date:2018/08/22 16:24
- Category: Inverters-FREQROL , FREQROL-D700
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Noise effect of CC-Link IE communication
The same test as CC-Link is performed, and we confirmed no problem. More Details >>
- No:21226
- Release Date:2018/08/22 16:26
- Category: Inverters-FREQROL
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Issues of driving the wound rotor motor inverter
The wound rotor motor can be used in the same way as cage-induction motors by shortening the resistor at the secondary side. More Details >>
- No:21370
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL
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Inverter operation at instantaneous power failure
When performing the automatic restart after instantaneous power failure, input the operation signal (STF or STR) and selection of automatic restart after ins... More Details >>
- No:21371
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Using FR-A540 inverter on CC-Link
Answer to question 1 When the CC-Link option goes faulty, OPT (option error) occurs and the inverter's fault output is triggered. When communication is lost ... More Details >>
- No:21391
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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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
- Category: Inverters-FREQROL , FREQROL-E500
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What type of personal computer is required?
The PC platform can be PC98 or DOS/V as far as Windows 3.1 or Windows 95 runs smoothly, with free space of 1 MB or more on the hard disk, and memory (RAM) 1 ... More Details >>
- No:21591
- Release Date:2018/08/22 16:28
- Category: Engineering Software
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The major differences are:- Capacity range- Availability of regenerative brake resistor- Operation of the operation panel- Number of I/O terminals More Details >>
- No:22056
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-E500
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