Check if the communication setting parameters (Pr.117 to Pr.124) are set to the same values between the inverter and per

The parameters of the A500 series are stored in the EEPROM.The reason why all parameters returned to the initial values

To control multiple inverters using arbitrary signals (4 to 20 mA) simultaneously, it is recommended to connect the sign

Keep 1 cm or more of clearance for 3.7 K or smaller, and 5 cm or more for 5.5 K or larger.If the clearance is too small,

The heat generation quantity of the FR-A520-5.5K is 310 W. (Reference: The heat generation quantity of the FR-A220E-5.5K

When the inverter output shutoff signal MRS is turned on, the output is shut off immediately without regard to setting o

Use the first contact (relay) for the forward (or reverse) rotation between the terminals STF and SD. Use the second con

To change the running frequency while the frequency command is input to the terminal 2, adjust the parameters in the fol

Since the terminal FM is designed with 8 V peak pulse voltage output, it cannot output 10 V.Since the terminal AM is an

You cannot disable the error display. The OC1 overcurrent alarm is displayed. The condition to display this alarm is tha

FAQ

FAQAbout Products

Font Size
S
M
L

FAQ > Drive Products > Inverters-FREQROL > FREQROL-A500

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

FREQROL-A500

Common(1)

FAQ within [ FREQROL-A500 ]

91-100 of Total 119

prev 10 / 12page next

Inverter communication

Check if the communication setting parameters (Pr.117 to Pr.124) are set to the same values between the inverter and personal computer.Note that communicatio... More Details >>
- No：22105
- Release Date：2018/08/22 16:31
- Category： Inverters-FREQROL , FREQROL-A500
All parameters returned to initial values

The parameters of the A500 series are stored in the EEPROM.The reason why all parameters returned to the initial values is considered that you may have opera... More Details >>
- No：22066
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Controlling multiple VVVFs via communication from personal computer

To control multiple inverters using arbitrary signals (4 to 20 mA) simultaneously, it is recommended to connect the signals (4 to 20 mA) in series. (This doe... More Details >>
- No：21491
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Installation clearance of inverters

Keep 1 cm or more of clearance for 3.7 K or smaller, and 5 cm or more for 5.5 K or larger.If the clearance is too small, the cooling effect is lowered. Secur... More Details >>
- No：22046
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Heat generation quantity of FR-A500

The heat generation quantity of the FR-A520-5.5K is 310 W. (Reference: The heat generation quantity of the FR-A220E-5.5K is 330 W.) For other capacities, ref... More Details >>
- No：21515
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
Coasting

When the inverter output shutoff signal MRS is turned on, the output is shut off immediately without regard to setting of Pr.250. More Details >>
- No：21423
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Multi-speed operation

Use the first contact (relay) for the forward (or reverse) rotation between the terminals STF and SD. Use the second contact (relay) for the high-speed comma... More Details >>
- No：21472
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Changing main speed at analog signal input

To change the running frequency while the frequency command is input to the terminal 2, adjust the parameters in the following steps:1. Change Pr.77 to "2".2... More Details >>
- No：22025
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Terminal FM

Since the terminal FM is designed with 8 V peak pulse voltage output, it cannot output 10 V.Since the terminal AM is an analog output of 0 V to 10 V, use thi... More Details >>
- No：21978
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Using control power supply

You cannot disable the error display. The OC1 overcurrent alarm is displayed. The condition to display this alarm is that the main circuit power supply is OF... More Details >>
- No：21535
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500

91-100 of Total 119

Inquiries

page top