No, it does not run. "Err" is displayed when it is operated. Always input the same voltage (400 V) to the main power sup

It is not switched. The frequency at the fault saved in the faults history is always displayed in frequency [Hz].

The signals MRS and CS are required when the automatic bypass sequence enabled.

For countermeasures against the open/close surge of the MC (magnetic contactor). Insert a diode not to apply 27 VDC or m

Turn ON and OFF the RES signal to enable the inverter-driven operation.

No, it is not available. It is only available in the External operation mode or combined operation mode (PU speed comman

Use the FR-A740. Basically, select the capacity according to the calculation result of "rated inverter output current ?

By importing the operation frequency from the AM terminal (analog output) of the first inverter to the FR-FH (ratio sett

The inverter restart operation is disabled at turn-OFF of the CS signal while a value other than "9999" (with restart) i

FAQ

FAQAbout Products

Font Size
S
M
L

FAQ > Drive Products > Inverters-FREQROL > FREQROL-F700

FAQ

Inquiries

Keyword Search

You can search two or more words separated by a space.

 AND : Put a space between the words in a keyphrase.
 OR  : Add a vertical bar ( | ) between the words in a keyphrase.
 NOT : Add a minus sign ( - ) followed by the words that you would like to exclude.

Result Type

Text Search

FAQ within [ FREQROL-F700 ]

1-10 of Total 296

prev 1 / 30page next

400 V inverter

No, it does not run. "Err" is displayed when it is operated. Always input the same voltage (400 V) to the main power supply and control power supply. More Details >>
- No：21179
- Release Date：2018/08/22 16:26
Rotation speed display

It is not switched. The frequency at the fault saved in the faults history is always displayed in frequency [Hz]. More Details >>
- No：21180
- Release Date：2018/08/22 16:26
Electronic bypass function

The signals MRS and CS are required when the automatic bypass sequence enabled. More Details >>
- No：21187
- Release Date：2018/08/22 16:26
Electronic bypass function

For countermeasures against the open/close surge of the MC (magnetic contactor). Insert a diode not to apply 27 VDC or more to the open collector terminal of... More Details >>
- No：21188
- Release Date：2018/08/22 16:26
Electronic bypass function

Turn ON and OFF the RES signal to enable the inverter-driven operation. More Details >>
- No：21190
- Release Date：2018/08/22 16:26
Electronic bypass function

No, it is not available. It is only available in the External operation mode or combined operation mode (PU speed command and External operation command (Pr.... More Details >>
- No：21192
- Release Date：2018/08/22 16:26
Model selection

Use the FR-A740. Basically, select the capacity according to the calculation result of "rated inverter output current ? rated motor current × 1.1". More Details >>
- No：21244
- Release Date：2018/08/22 16:26
Proportional band of multiple inverters

By importing the operation frequency from the AM terminal (analog output) of the first inverter to the FR-FH (ratio setter), the operation command which is p... More Details >>
- No：21250
- Release Date：2018/08/22 16:26
Driving a single-phase motor

No, it cannot. More Details >>
- No：21253
- Release Date：2018/08/22 16:26
Automatic restart after instantaneous power failure

The inverter restart operation is disabled at turn-OFF of the CS signal while a value other than "9999" (with restart) is set in Pr.57. The terminals CS and ... More Details >>
- No：21255
- Release Date：2018/08/22 16:26

1-10 of Total 296

Inquiries

page top