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FAQ within [ FREQROL-E500 ]
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"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
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An inverter is used to rotate a motor but it cannot be used to detect whether the belt is broken or not. However, the magnitude of the load will change when ... More Details >>
- No:21387
- Release Date:2018/08/22 16:27
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The current monitor displays the average value of the three-phase current. The three-phase voltage is not incorporated for the voltage monitor. The output vo... More Details >>
- No:21376
- Release Date:2018/08/22 16:27
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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
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FR-E520 operation mode (Pr.79) selection
The FR-E500 manufactured before May 1998 behaved as you mentioned, and the potentiometer becomes unavailable once you set the frequency on the operation pane... More Details >>
- No:21525
- Release Date:2018/08/22 16:28
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You can use the Hioki Memory HiCorder and clamp-on AC/DC high tester.You can observe the inverter's frequency in one of the following two methods:1. Attach t... More Details >>
- No:22082
- Release Date:2018/08/22 16:30
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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
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When consuming the regenerative power with the brake resistor, the brake transistor is triggered at a certain voltage to make the brake resistor use the rege... More Details >>
- No:22074
- Release Date:2018/08/22 16:30
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Setting Pr.37 to the machine speed at 60 Hz switches the frequency monitor to the rotations per minute monitor.Note that the speed setting must be input in a... More Details >>
- No:22072
- Release Date:2018/08/22 16:30
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Operation command terminal switching
It rotates in the forward direction while STF is ON.And then, when STR is turned ON and STF is turned OFF, the inverter decelerates down to 0 Hz within the s... More Details >>
- No:22070
- Release Date:2018/08/22 16:30
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