“off” is shown in the display.

Operation mode for manufacturer setting is enabled. For MR-J4-B, MR-J4W2-B and MR-J4W3-B, turning "ON (up)" all the control axis setting switches (SW2) enabl... More Details >>

Installation of a reactor

The answers are as follows:- Effect of reactorAttaching a reactor improves the power factor and suppresses harmonics.The AC reactor improves the power factor... More Details >>

FR-CV

Use the FR-HC to suppress harmonics. It also supports power supply regenerative driving.The FR-CV and FR-RC are both power supply regeneration units.The diff... More Details >>

Position control

The servo motor provides the highest precision and response.With the vector inverter, position control using pulse train input ensures position control at pr... More Details >>

Using shielded wires for frequency meter connection

Connect the shield to the terminal SD. More Details >>

How can I have the motor coast to stop?

You can use the following two methods:1. Turn ON MRS at the same time when STF turns OFF.2. Set Pr.10 = 60 Hz, Pr.11 = 0 sec, and Pr.12 = 0% (when the invert... More Details >>

Short-circuiting frequency setting terminals

You can short-circuit the terminals 10 and 2.If you are considering to perform operation at the maximum frequency, consider using the high-speed command RH o... More Details >>

Noise and leakage current (tone modulation control) of low-noise series

When the carrier frequency increases, noise and leakage current increase accordingly. To prevent the noise and leakage current from increasing while keeping ... More Details >>

Parameter list

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

12-bit digital input and others

You can switch between PU operation and external operation using the plug-in option "12-bit digital input" card and external contact signals. After setting P... More Details >>