- SU signal (up to frequency signal)This signal is output when the inverter output frequency reaches the set frequency (

1. The output frequency satisfies the "control specification/frequency precision" even when the power supply voltage cha

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

1. How much is the sensitivity current? When the sum of the three-phase output current of the inverter reaches approxima

If you are using analog voltage commands, connect the voltage inputs to the FR-E500 and FR-Z200 in parallel to equalize

Possible causes are:1. The reset signal (RES) is ON. 2. The built-in CPU is not working properly due to contact faults o

Although you specify the FR-V200 and others as the inverter models, CC-Link is currently supported by the FR-A500 and FR

It is considered to be caused by inverter PWM control. It can be suppressed by raising the PWM carrier frequency (Pr.72)

1. When the inverter power supply is turned OFF, the inverter is disconnected from the CC-Link network. However, since t

The following causes are probable for persistent Err. display: 1. The terminals RES and SD are always short-circuited. 2

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FAQ within [ FREQROL-E500 ]

11-20 of Total 84

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Difference between SU (up to frequency) and FU (frequency detection)

- SU signal (up to frequency signal)This signal is output when the inverter output frequency reaches the set frequency (the frequency the inverter is require... More Details >>
- No：21436
- Release Date：2018/08/22 16:27
Speed change due to power supply voltage fluctuation

1. The output frequency satisfies the "control specification/frequency precision" even when the power supply voltage changes, but the output voltage cannot r... More Details >>
- No：22069
- Release Date：2018/08/22 16:30
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
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
I want to synchronize the Z200 and E500.

If you are using analog voltage commands, connect the voltage inputs to the FR-E500 and FR-Z200 in parallel to equalize inputs to both units and speeds are s... More Details >>
- No：21929
- Release Date：2018/08/22 16:30
"Err" is displayed when STF signal turns ON

Possible causes are:1. The reset signal (RES) is ON. 2. The built-in CPU is not working properly due to contact faults of the inverter parts. Check the exte... More Details >>
- No：21484
- Release Date：2018/08/22 16:27
CC-Link

Although you specify the FR-V200 and others as the inverter models, CC-Link is currently supported by the FR-A500 and FR-E500. The FR-V200E does not support ... More Details >>
- No：21499
- Release Date：2018/08/22 16:27
Noise from motor at low speed

It is considered to be caused by inverter PWM control. It can be suppressed by raising the PWM carrier frequency (Pr.72), but the entire noise and leakage cu... More Details >>
- No：21428
- Release Date：2018/08/22 16:27
Countermeasures when input power supply is turned off upon equipment fault

1. When the inverter power supply is turned OFF, the inverter is disconnected from the CC-Link network. However, since the CC-Link master station has the aut... More Details >>
- No：21390
- Release Date：2018/08/22 16:27
Dealing with Err.

The following causes are probable for persistent Err. display: 1. The terminals RES and SD are always short-circuited. 2. Operation panel contact or operatio... More Details >>
- No：21412
- Release Date：2018/08/22 16:27

11-20 of Total 84

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