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Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
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How much low-speed torque can be output?
By choosing the General-purpose magnetic flux vector control and slip compensation function, you can output torque of 150% or more at 1 Hz (200% or more at 3... More Details >>
- No:21618
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A024
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You can set both the BCD code and binary code inputs within the range from 0 to 400 Hz.You can set the bias and gain in 0.01 Hz units.For BCD input, when the... More Details >>
- No:21945
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , Plug-in Options , FREQROL-A500
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Calculation of acceleration/deceleration time
As the inverter, you can basically use the equation below to calculate the acceleration/deceleration time.Note that you should consider a factor of 120% for ... More Details >>
- No:21965
- Release Date:2018/08/22 16:30
- Category: Magnet motor drive
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Manual contactor on output side of drive unit
The low-voltage manual contactor is intended to prevent electric shock during inspection and maintenance of the drive unit.The MELIPM series motor is a synch... More Details >>
- No:21996
- Release Date:2018/08/22 16:30
- Category: Magnet motor drive
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Check the setting value of Pr.37 (Speed display). When the machine speed is set, Pr.811 is disabled. Change the setting to the rotation speed. More Details >>
- No:21161
- Release Date:2018/08/22 16:26
- Category: Inverters-FREQROL , FREQROL-A700
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When Advanced magnetic flux vector control (Pr.80, 81) is used, the machine speed constant is controlled. The inverter calculates the motor slip and compensa... More Details >>
- No:21374
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Output specification between FM and SD
The output signal across FM and SD is pulse output. The output frequency and number of pulses of the output signal across FM and SD are proportional. However... More Details >>
- No:21384
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-E500
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12-bit digital input and others
You can switch between PU operation and external operation using the plug-in option "12-bit digital input" card and external contact signals. After setting P... More Details >>
- No:21432
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-A200
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Installing magnetic contactor on input side of inverter
Basically, there is no difference between the A200 and A500. For safer use, from the A500, it is recommended to completely shut off the power supply by turni... More Details >>
- No:21466
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Can I change the carrier frequency?
You can change it by changing the setting of Pr.72 (PWM frequency selection). Setting range of Pr.72: 0, 1, 2, 3, 4, 5, 6 (Initial setting is "6".) (The smal... More Details >>
- No:21640
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-V200
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