If Pr.79 = 3, PU and EXT turn ON. Switching between PU and EXT is not available. Turn the setting dial to set the freque

When using the setting dial to set the frequency, turn the dial and press the "SET" key while the desired value flickers

If the output current is close to 25% of the rated current, output phase loss may occur when one or two phases of three

The following causes are probable for this Err display:- Operation error (for example, you tried to input a value other

Normally, Pr.80 and Pr.81 are the parameters that can be changed when the operation is stopped in the PU operation mode.

The undervoltage warning of the inverter is judged based on the voltage of the main circuit as follows. Power failure on

When Pr.79 is set to "3", the JOG operation is not available by turning ON the terminal JOG.Instead of the JOG function,

Normally, the inverter starts up in the NET operation mode at power ON when Pr.340 is set to "10" and Pr.79 is set to "0

MR-J4-A receives the motor drive command by general pulse train and MR-J4-B does by the optical communication, SSCNET II

When the inverter start signal is input, the inverter starts outputting from the starting frequency. And then, it gradua

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FAQ within [ Drive Products ]

31-40 of Total 1368

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PU operation

If Pr.79 = 3, PU and EXT turn ON. Switching between PU and EXT is not available. Turn the setting dial to set the frequency and press the SET key to accept it. More Details >>
- No：21695
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
RUN blinks

When using the setting dial to set the frequency, turn the dial and press the "SET" key while the desired value flickers. (The value and "F" flicker alternat... More Details >>
- No：21692
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
Output phase loss alarm

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
Err display on operation panel

The following causes are probable for this Err display:- Operation error (for example, you tried to input a value other than the available range of parameter... More Details >>
- No：22063
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-E500
Parameter display setting

Normally, Pr.80 and Pr.81 are the parameters that can be changed when the operation is stopped in the PU operation mode. The "Er4" is a mode designation erro... More Details >>
- No：21335
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
Undervoltage warning

The undervoltage warning of the inverter is judged based on the voltage of the main circuit as follows. Power failure only at the main circuit: Output an und... More Details >>
- No：20853
- Release Date：2018/08/22 16:24
- Category： FREQROL-A800 , FREQROL-F800
JOG function

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
NET operation mode

Normally, the inverter starts up in the NET operation mode at power ON when Pr.340 is set to "10" and Pr.79 is set to "0". When it starts up in the PU operat... More Details >>
- No：21319
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
Differences between type A and type B

MR-J4-A receives the motor drive command by general pulse train and MR-J4-B does by the optical communication, SSCNET III/H of our motion network. For the de... More Details >>
- No：23648
- Release Date：2018/09/14 15:10
- Category： MELSERVO-J4
Stall prevention operation

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

31-40 of Total 1368

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