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FAQ within [ FREQROL-V200 ]

41-50 of Total 51

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  • Coasting to stop method

    Use Pr.17 (Input terminal assignment) to assign MRS to the terminals DI1, DI2, and DI3. More Details >>

    • No:21937
    • Release Date:2018/08/22 16:30
  • Amount of heat generated

    The following amount of heat is generated under the 100% load. (The same amount for both the 200 V and 400 V classes. The amount of heat generated by the bui... More Details >>

    • No:21568
    • Release Date:2018/08/22 16:28
  • Speed fluctuation

    I use the dedicated motor SF-VR with the same capacity as the inverter. 1. Load fluctuationSpeed fluctuation ratio with the load fluctuation 0 to 100% is:Wit... More Details >>

    • No:21490
    • Release Date:2018/08/22 16:27
  • Motor characteristics at low input voltage

    Since the dedicated motor is designed with the rated voltage of approximately 320 V, it can produce sufficient torque for the input voltage of 380 V. Therefo... More Details >>

    • No:21434
    • Release Date:2018/08/22 16:27
  • Torque control accuracy

    Since the torque control accuracy is influenced by change of motor temperature:- Standard product???±5% (at 75 deg C) ±0.5%/deg C of rated torque- Combinatio... More Details >>

    • No:21645
    • Release Date:2018/08/22 16:28
  • Difference from general-purpose inverter

    While the inverter uses open-loop (V/F) control, it uses semi-closed loop vector control (constant current control). This enables output of stable torque esp... More Details >>

    • No:21659
    • Release Date:2018/08/22 16:28
  • Model configuration

    12 models of FREQROL-V200 vector inverters each for the 200 V and 400 V classes from 1.5K to 45K. 9 models of SF-VR vector control dedicated motors each for ... More Details >>

    • No:21657
    • Release Date:2018/08/22 16:28
  • Auto tuning

    Vector control performs high-accuracy calculation using the motor constant. Therefore, to perform vector control operation, the inverter must recognize the m... More Details >>

    • No:21663
    • Release Date:2018/08/22 16:28
  • Encoder signal output

    It can be output by attaching the plug-in option FR-VPA, FR-VPB, or FR-VPC. Note that the output format depends on the option type. FR-VPA: Open collector ou... More Details >>

    • No:21643
    • Release Date:2018/08/22 16:28
  • Structures of dedicated motor

    We offer the following: <<Dedicated motor model variation>>- With standard legs (SF-VR__)5.5 kW, 7.5 kW, 11 kW, 15 kW, 18.5 kW, 22 kW, 30 kW, 37 ... More Details >>

    • No:21649
    • Release Date:2018/08/22 16:28

41-50 of Total 51

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