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FREQROL-A500
FAQ within [ FREQROL-A500 ]
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Since the terminal FM is designed with 8 V peak pulse voltage output, it cannot output 10 V.Since the terminal AM is an analog output of 0 V to 10 V, use thi... More Details >>
- No:21978
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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This error is displayed when the inverter and operation panel FR-PU04 cannot communicate with each other correctly or the reset signal remains ON. Therefore,... More Details >>
- No:21546
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
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Load current limit of inverter
You can input current from the terminal AM of the inverter to the programmable controller (for A/D conversion) and control the speed with the software of the... More Details >>
- No:21419
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Impossible to recover after power failure
First, ensure that the parameter for automatic restart after instantaneous power failure is set correctly and then do the following:1. Check if the terminals... More Details >>
- No:22033
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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Controlling multiple VVVFs via communication from personal computer
To control multiple inverters using arbitrary signals (4 to 20 mA) simultaneously, it is recommended to connect the signals (4 to 20 mA) in series. (This doe... More Details >>
- No:21491
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Use the first contact (relay) for the forward (or reverse) rotation between the terminals STF and SD. Use the second contact (relay) for the high-speed comma... More Details >>
- No:21472
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Durability in multi-speed setting
1. You can set the minimum time by setting the acceleration/deceleration time and acceleration/deceleration reference frequency. 2. No problem with the termi... More Details >>
- No:21437
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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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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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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Check if the communication setting parameters (Pr.117 to Pr.124) are set to the same values between the inverter and personal computer.Note that communicatio... More Details >>
- No:22105
- Release Date:2018/08/22 16:31
- Category: Inverters-FREQROL , FREQROL-A500
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