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

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

Basically, torque control cannot be performed. Instead, control speed to adjust the winding torque. It is possible to us

1. You cannot use the inverter in an environment where it is exposed to oil mist. You need to enclose the inverter in a

First, ensure that the parameter for automatic restart after instantaneous power failure is set correctly and then do th

When an instantaneous power failure of 100 msec or longer occurs, the inverter is reset* and it is not recognized as a f

Refer to the Technical Sheet No.23 (Capacity Selection and Continuous Operation) for reference for selection. Optional c

Use the FR-A5AT02 as the intercompatibility attachment when upgrading from the FR-A220-3.7K to FR-A540-3.7K.

You can input current from the terminal AM of the inverter to the programmable controller (for A/D conversion) and contr

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FREQROL-A500

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FAQ within [ FREQROL-A500 ]

101-110 of Total 123

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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
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
Simple torque control using stall prevention function

Basically, torque control cannot be performed. Instead, control speed to adjust the winding torque. It is possible to use the current limit function to preve... More Details >>
- No：21493
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Countermeasure against oil mist

1. You cannot use the inverter in an environment where it is exposed to oil mist. 　You need to enclose the inverter in an enclosure and then install the encl... More Details >>
- No：21538
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
Impossible to recover after power failure

First, ensure that the parameter for automatic restart after instantaneous power failure is set correctly and then do the following:1. Check if the terminals... More Details >>
- No：22033
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Faults history upon power failure

When an instantaneous power failure of 100 msec or longer occurs, the inverter is reset* and it is not recognized as a fault. Since it is not recognized as a... More Details >>
- No：21551
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
Calculation of inverter acceleration and deceleration time

Refer to the Technical Sheet No.23 (Capacity Selection and Continuous Operation) for reference for selection. Optional capacity selection software is also pr... More Details >>
- No：22097
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Inverter installation interchange attachment

Use the FR-A5AT02 as the intercompatibility attachment when upgrading from the FR-A220-3.7K to FR-A540-3.7K. More Details >>
- No：22095
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Load current limit of inverter

You can input current from the terminal AM of the inverter to the programmable controller (for A/D conversion) and control the speed with the software of the... More Details >>
- No：21419
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500

101-110 of Total 123

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