Torque characteristic at low speed

Torque is not guaranteed for slower than 0.5 Hz. Therefore, no data for this is published. Also, no torque is generated at 0 Hz. More Details >>

Countermeasure against the fault occurrence

When a CC-Link communication fault occurs, the option error (OP3) occurs on the inverter and the output is shut off, and the motor starts coasting. When usin... More Details >>

Encoder feedback control wire

If the phase A and phase B are connected reversely, encoder feedback control is not performed. Instead, the inverter is operated in normal control (V/F contr... More Details >>

Countermeasure against noise on input side

In general, the line noise filter (FR-BLF) is used against the power supply noise. The AC reactor also works. As other countermeasures:- Use a metal conduit ... More Details >>

Not operating on Windows95

This error depends on the application and the cause is unknown. (The runtime error '31037' is not returned from this application but from the OS (Windows).) ... More Details >>

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 >>

Parameter list

The setting memo of the parameter list seal is not provided with the FR-A500 Instruction Manual. More Details >>

Replacement of parts

In general, 1. The user cannot check the part for decision. 2. The user cannot replace the part as well. However, the user can replace the cooling fan if he ... More Details >>

Connecting voltmeter to terminal AM

You can connect them in parallel. Connect the voltmeters in parallel, paying attention to the following: - The output current should not exceed the permissib... More Details >>

Replacement of FR-Z100 series

From Z100 to A520: Use the FR-AAT01 to replace the Z100 with the A520. From Z100 to E520: No attachment is available since E520 is a new series. From Z100 to... More Details >>