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FAQ within [ Drive Products ]
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The one-touch tuning does not require the response level setting also. Outlines of one-touch tuning and auto tuning are as follows: One-touch tuning: You can... More Details >>
- No:23629
- Release Date:2018/09/14 15:10
- Category: MELSERVO-J4 , MELSERVO-JE
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Servo motor does not rotate when the command pulse is input.
The pulse train form outputted with the controller and the setting of servo amplifier (command pulse input form) may differ. Check the parameter settings. (M... More Details >>
- No:23631
- Release Date:2018/09/14 15:10
- Category: MELSERVO-J4 , MELSERVO-JE , MELSERVO-JN , MELSERVO-J3 , MELSERVO Others
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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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Parameter group is not displayed.
Some parameters are write-protected. (MR-J4/MR-J3: PA19)The parameter to be displayed is determined by the setting value of this parameter. Do as follows for... More Details >>
- No:23657
- Release Date:2018/09/14 15:10
- Category: MELSERVO-J3 , MELSERVO-J4
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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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Synchronous operation of two motors
When synchronously operating two motors, you need to detect speed from both motors. Each inverter is controlled based on this speed detection signal. As an e... More Details >>
- No:21540
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , Options , FREQROL-A024
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Automatic restart after instantaneous power failure
The inverter has the automatic restart after instantaneous power failure function. By setting Pr.61 to other than "9999", the encoder detects the speed of th... More Details >>
- No:21642
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-V200
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Power factor of inverter drive
Under 100% load, the power factors of the AC and DC reactors are 90% and 95%, respectively. For a line with no inverter control, use a power factor correctio... More Details >>
- No:21934
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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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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PWM is an acronym for Pulse Width Modulation and varies the switching pulse width of transistors. This method creates many pulses within a single cycle of th... More Details >>
- No:21530
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , Others
1321-1330 of Total 1368