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Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
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Refer to the following points.For fan pump -> Square torqueFor general-purpose machine (for example, transport, elevation) -> Constant-torque type More Details >>
- No:22048
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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Connecting the brake resistor allows for quick deceleration because the regenerative power is processed. (The brake torque increases.)Therefore, when an exte... More Details >>
- No:22045
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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Use the FR-HC to suppress harmonics. It also supports power supply regenerative driving.The FR-CV and FR-RC are both power supply regeneration units.The diff... More Details >>
- No:22038
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , Options
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Speed precision of Advanced magnetic flux vector control
The speed precision for each model is as follows:FR-K440 with PG: 1% or less of the maximum speed (3500 rpm)FR-A540 without PG (Advanced flux vector): 1% or ... More Details >>
- No:22013
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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Consideration on power supply capacity
The inverter's power supply capacity can be calculated using the following equation:Power supply capacity [kVA] = Motor output (kW)/(Motor efficiency × Inver... More Details >>
- No:22000
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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The brake resistor is not built in the inverter. Purchase the optional resistor and connect it to the inverter.Inverter only (without resistor)Continuous reg... More Details >>
- No:21989
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-E500
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External wiring for CC-Link operation
For the combination of the FR-A500 + FR-A5NC, Pr.338 and Pr.339 are used to specify whether the external signals or CC-Link commands are used to set the runn... More Details >>
- No:21973
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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How can I have the motor coast to stop?
You can use the following two methods:1. Turn ON MRS at the same time when STF turns OFF.2. Set Pr.10 = 60 Hz, Pr.11 = 0 sec, and Pr.12 = 0% (when the invert... More Details >>
- No:21967
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Speed 2 operation with potentiometer on operation panel
Yes. Set parameters as below.For FR-E500Set Pr.79 =3, and Pr.146= 0.Multi-speed is prioritized.For FR-S500Set Pr.79 = 3, and Pr.53 = 1.Multi-speed is priorit... More Details >>
- No:21963
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-E500 , FREQROL-S500
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Since a large load is applied to the motor when the electromagnetic clutch turns on, overcurrent may occur if the load is heavy. To ensure that the rated cur... More Details >>
- No:21955
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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