Mitsubishi MR-JE Series Servo Amplifiers MR-JE-100A

Name: Mitsubishi MR-JE Series Servo Amplifiers MR-JE-100A
Brand: Mitsubishi Electric

Model: MR-JE-100A

Brand Mitsubishi Electric

Series JE Series Servo

Model MR-JE-100A

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Technical Dossier

Product Details And Specifications

Mitsubishi Electric MR-JE Series Technical Notes

The Mitsubishi Electric MR-JE series is a general-purpose AC servo amplifier platform deployed across heavy industrial sectors including petrochemical plants, steel mills, automotive assembly lines, paper manufacturing, and water treatment facilities. Designed as a cost-optimized entry point into Mitsubishi's MELSERVO ecosystem, the MR-JE series supports SSCNET III/H fiber-optic communication and pulse-train command interfaces, making it compatible with both legacy and modern Mitsubishi controller architectures including the MELSEC iQ-R, iQ-F, and Q-series PLCs. Rated output ranges from 100W to 3kW, the series covers a broad spectrum of axis control requirements in multi-axis machine tool and packaging line configurations.

The Evolution of MR-JE Architecture

The MR-JE series was introduced as a simplified derivative of the MR-J4 platform, retaining the core 22-bit encoder resolution and SSCNET III/H compatibility while removing advanced features such as full closed-loop control and STO (Safe Torque Off) safety functions present in the MR-J4 and MR-J5 lines. This architectural decision positioned MR-JE as the preferred solution for cost-sensitive OEM machine builders who do not require functional safety certification.

Early MR-JE units (circa 2014–2016) shipped with firmware supporting only pulse-train positioning. Subsequent firmware revisions introduced speed and torque control modes, expanding compatibility with third-party motion controllers. The MR-JE-_A suffix denotes the standard pulse-train variant, while the MR-JE-_B suffix indicates SSCNET III/H network-compatible units for use with Mitsubishi Simple Motion modules (LD77MS, RD77MS series).

MR-JE Full Catalog & Functionalities (SKU List)

The following SKUs represent the verified production range of the Mitsubishi Electric MR-JE series. Units are classified by interface type (A = pulse-train, B = SSCNET III/H) and rated output power.

Pulse-Train Interface Variants (MR-JE-_A)

MR-JE-10A: 100W single-axis servo amplifier, pulse-train input, 200–240V AC single/three-phase.
MR-JE-20A: 200W single-axis servo amplifier, pulse-train input, compatible with HF-KN23 motor.
MR-JE-40A: 400W single-axis servo amplifier, pulse-train input, supports analog speed/torque override.
MR-JE-70A: 750W single-axis servo amplifier, pulse-train input, DIN-rail or panel mount.
MR-JE-100A: 1kW single-axis servo amplifier, pulse-train input, 22-bit encoder, regenerative resistor built-in.
MR-JE-200A: 2kW single-axis servo amplifier, pulse-train input, three-phase 200–240V AC input.
MR-JE-300A: 3kW single-axis servo amplifier, pulse-train input, maximum capacity in MR-JE-_A range.

SSCNET III/H Network Variants (MR-JE-_B)

MR-JE-10B: 100W SSCNET III/H servo amplifier, fiber-optic network axis, iQ-R/Q/F compatible.
MR-JE-20B: 200W SSCNET III/H servo amplifier, for use with LD77MS/RD77MS Simple Motion modules.
MR-JE-40B: 400W SSCNET III/H servo amplifier, supports electronic gear ratio setting via network.
MR-JE-70B: 750W SSCNET III/H servo amplifier, optical communication, reduced wiring configuration.
MR-JE-100B: 1kW SSCNET III/H servo amplifier, network-synchronized multi-axis interpolation capable.
MR-JE-200B: 2kW SSCNET III/H servo amplifier, high-inertia load compensation, three-phase input.
MR-JE-300B: 3kW SSCNET III/H servo amplifier, maximum rated output in MR-JE-_B network range.

Accessories & Peripheral SKUs

MR-PWS1CBL3M-A1-H: 3-meter power supply cable for MR-JE series, pre-assembled with connector.
MR-J3CN1: CN1 connector kit for MR-JE/MR-J4 series I/O signal wiring.
MR-RB032: External regenerative resistor unit, 30Ω/30W, for MR-JE high-cycle applications.

Quality Control for the MR-JE Range

Each MR-JE series unit processed by DriveKNMS undergoes a structured test protocol designed around the amplifier's internal architecture:

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