Mitsubishi Electric MR-J3-60B MELSERVO-J3 AC Servo Amplifier

SKU MR-J3-60B

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12-month warranty
Free returns within 30 days

Manufacturer: Mitsubishi Electric
Product No.: MR-J3-60B
Country of origin:United States
Product Type: AC Servo Amplifiers
Payment: T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months

Description

Designed to execute high-precision motion profiles within the MELSERVO-J3 system architecture, the Mitsubishi Electric MR-J3-60B AC servo amplifier offers high-speed control loops and synchronized multi-axis coordination. Equipped with a digital SSCNET III fiber-optic communication interface, this drive integrates directly into complex industrial automation configurations to minimize latency and ensure noise-free signal transmission. It operates with high-resolution feedback systems to guarantee positioning accuracy, making it ideal for processes requiring tight speed constancy and dynamic performance.

Features

SSCNET III Bus Interface: High-speed, noise-immune synchronous optical fiber network communication for precise multi-axis positioning and coordination.
High-Resolution Feedback compatibility: Seamless processing of 18-bit absolute/incremental encoder signals providing 262,144 pulses per revolution.
Adaptive Vibration Suppression: Advanced filtration system designed to minimize mechanical resonance and structural oscillations during rapid deceleration or acceleration.
Real-Time Auto Tuning: Automatic adjustment of gain settings to optimize response according to the real-time load inertia ratio.
Integrated Diagnostic Port: Direct USB connection for configuration, monitoring, and trend analysis using MR Configurator software.

Applications

Multi-axis CNC milling, routing, and precision grinding machines.
Pick-and-place robots and electronic component assembly systems.
High-speed packaging, filling, and continuous labeling machinery.
Semiconductor handling machinery and wafer positioning systems.

Technical Specifications

Parameter	Value
Manufacturer	Mitsubishi Electric
Model Number	MR-J3-60B
Series	MELSERVO-J3
Rated Output Capacity	0.6 kW (600W)
Main Circuit Power Supply	3-phase or 1-phase 200 to 230 VAC, 50/60 Hz
Control Circuit Power Supply	1-phase 200 to 230 VAC, 50/60 Hz
Communication Interface	SSCNET III (High-speed synchronous network)
Control Method	Sine-wave PWM control / Current control system
Ambient Operating Temperature	0 to 55 degC (non-freezing)
Dynamic Brake	Built-in
Cooling Method	Natural cooling
Shipping Weight (Calculated)	2.1 kg

Connections and Interfaces

Connector / Terminal	Function / Circuit Assignment
CN1A / CN1B	SSCNET III network connection ports (Optical fiber duplex connectors)
CN2	Encoder feedback connection for the HF or HC series servo motor
CN3	Digital input/output signal interface (interlock, emergency stop, limit switches)
CN5	USB communication port for PC tool setup and online diagnostics
L1, L2, L3	Main power circuit input terminal block
L11, L21	Control power circuit input terminal block
U, V, W	3-phase power output connection to servo motor windings

Empirical Engineering Insights

Alternative Models & Compatibility

When migrating a system from the MR-J2S-60B series, note that the SSCNET III optical fiber connector format differs physically from the original SSCNET configuration. The MR-J3-60B requires specialized high-speed optical fiber cables (such as MR-J3BUS) which utilize standard locking tabs. Intermixing old and new optical connection configurations is not possible without an optical media converter or controller-level interface card replacement.

Application Pitfalls & Engineering Notes

To avoid high thermal loading in enclosed electrical cabinets, design layout spacing strictly: maintain at least 10 mm clearance on either side of the chassis, and 40 mm clearance above and below. If routing SSCNET III fiber optic cables, enforce a minimum bending radius of 25 mm. Exceeding this limit will result in optical signal attenuation, manifesting as communication timeouts or non-specific "AL.37 Parameter Error" fault triggers.

Commissioning & Wiring Tips

If configuring the absolute position detection system, always insert an active MR-BAT or MR-J3BAT battery pack before starting the system calibration. Loss of control voltage without an active battery backup instantly clears the stored encoder home coordinates, requiring manual re-homing procedures upon subsequent control system re-initialization.

Installation Guidelines

CRITICAL WARNING: Verify all AC input power feeds are completely isolated, disconnected, and locked out prior to handling any terminals. Wait a minimum of 15 minutes after power-down to allow internal high-voltage capacitors to bleed energy safely. Check that the internal red charge LED is completely extinguished before initiating any dynamic resistance or terminal verification tests.

1

Mount the servo amplifier vertically to a rigid, metallic panel surface. Secure the chassis via the mounting holes to ensure optimal heat dissipation and ground contact.

2

Wire the control circuit supply voltage terminals (L11, L21) and main input terminals (L1, L2, L3) using appropriate gauge wire, adhering to correct regional fuse/breaker guidelines.

3

Connect the motor output lines (U, V, W) to the corresponding terminals on the motor. Pay absolute attention to match phases precisely—reversing phase wiring here will trigger a run-away feedback condition and cause damage.

4

Insert the fiber optic cables securely into the CN1A and CN1B ports. Listen for an audible click confirming the mechanical locks have engaged correctly.

FAQ

What is the primary communication protocol used by this servo amplifier?

This amplifier communicates with the motion controller using the high-speed optical fiber SSCNET III protocol, ensuring deterministic, synchronous control.

Can I operate this drive with single-phase power supply parameters?

Yes, it supports both single-phase and three-phase input power between 200 and 230 VAC for the main power loop.

How do I resolve communication errors over the optical bus network?

Ensure the optical cables are clean and do not exceed the minimum bending radius of 25 mm. Check that optical fiber connectors are securely locked into CN1A or CN1B.

Does this amplifier feature dynamic braking capabilities?

Yes, the dynamic brake function is integrated into the hardware to provide auxiliary stopping force during unexpected emergency shut-down events.

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Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our technical warranty.

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Global Express Shipping

Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

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