MITSUBISHI MR-J3-500B MELSERVO-J3 SSCNET Servo Amplifier

Overview

The MITSUBISHI MR-J3-500B is a 5kW SSCNET III network-type servo amplifier from Mitsubishi MELSERVO-J3 series. The MITSUBISHI MR-J3-500B communicates with motion controllers via SSCNET optical fiber bus to realize high-speed, high-precision multi-axis synchronized motion control. It matches corresponding Mitsubishi J3 series servo motors and supports closed-loop and fully closed-loop control modes. The MITSUBISHI MR-J3-500B delivers fast response and stable torque output for precision automation equipment and is widely used as spare part for legacy production lines.

Features

The MITSUBISHI MR-J3-500B adopts SSCNET III optical fiber communication for high-speed synchronous control and strong anti-interference ability. It supports fully closed-loop control by connecting external linear encoders for ultra-precise positioning. The MITSUBISHI MR-J3-500B integrates abundant protection functions including overcurrent, overvoltage, overload, overtemperature and encoder failure alarm. It supports rich digital I/O signals for linkage with peripheral sensors and safety circuits. The MITSUBISHI MR-J3-500B features compact cabinet mounting structure and convenient parameter configuration via dedicated software.

Specs

Device Type: SSCNET servo amplifier Model: MITSUBISHI MR-J3-500BSeries: MELSERVO-J3 Rated Power: 5 kW Communication Interface: SSCNET III optical fiber bus Control Mode: Closed-loop control, fully closed-loop control Matching Motor: Mitsubishi MELSERVO-J3 series servo motor Protection: Overcurrent, overvoltage, overload, overtemperature, encoder error Installation: Cabinet DIN rail mounting

Principle

The MITSUBISHI MR-J3-500B receives position and speed commands from the upper motion controller through SSCNET fiber. The internal control unit calculates the target current and drives the IGBT power module to output adjustable three-phase AC to the servo motor. It collects encoder feedback signals in real time to form closed-loop regulation. When abnormal conditions are detected, the MITSUBISHI MR-J3-500B triggers protection, stops output and stores fault alarm codes.

Applications

The MITSUBISHI MR-J3-500B is used for multi-axis linkage control of CNC machine tools and machining centers. It serves high-precision positioning motion control for semiconductor and electronic assembly equipment. The MITSUBISHI MR-J3-500B applies to packaging machinery, printing equipment and automated handling systems. It also supports maintenance and spare replacement of original Mitsubishi J3 servo systems.