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FAQ within [ Drive Products ]
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Difference between SU (up to frequency) and FU (frequency detection)
- SU signal (up to frequency signal)This signal is output when the inverter output frequency reaches the set frequency (the frequency the inverter is require... More Details >>
- No:21436
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-E500
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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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Parameter No.79 (Operation mode)
You cannot cancel multi-speed command input. When the multi-speed command is input from the terminal, you cannot use the potentiometer. Use the inverter so t... More Details >>
- No:21467
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-E500
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Operation under torque limit in the speed control mode
Under a 50% torque limit, if the commanded speed (50 Hz in your example) cannot be achieved without torque exceeding 50%, since the torque does not exceed th... More Details >>
- No:21483
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-V200
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Output side earth (ground) fault overcurrent protection
1. How much is the sensitivity current? When the sum of the three-phase output current of the inverter reaches approximately 70% of the inverter rated curren... More Details >>
- No:21394
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-A024 , FREQROL-E500
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Automatic restart after instantaneous power failure
1. Yes. The inverter cannot restart if STF and STR are turned OFF.However, on the next startup, the inverter detects coasting and restarts.2. When automatic ... More Details >>
- No:21942
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-V200
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When the inverter start signal is input, the inverter starts outputting from the starting frequency. And then, it gradually raises the frequency for accelera... More Details >>
- No:21413
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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By either of following methods: (MR-J4) 1. On MR Configurator2, select [Diagnosis] - [Alarm Display] - [Clear]. 2. Set alarm history clear of parameter to "... More Details >>
- No:23650
- Release Date:2018/09/14 15:10
- Category: MELSERVO-J4
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If the output current is close to 25% of the rated current, output phase loss may occur when one or two phases of three phases go below 25%.Therefore, when a... More Details >>
- No:22052
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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When Pr.79 is set to "3", the JOG operation is not available by turning ON the terminal JOG.Instead of the JOG function, you can set the low-speed RL of the ... More Details >>
- No:21760
- Release Date:2018/08/22 16:29
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
31-40 of Total 1368