Mitsubishi Electric MR-J2S-70A MELSERVO-J2-Super AC Servo Amplifier

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Manufacturer: Mitsubishi Electric
Product No.: MR-J2S-70A
Country of origin:United States
Product Type: AC Servo Amplifiers
Payment: T/T, Western Union
Weight: 3000g
Shipping port: Xiamen
Warranty: 12 months

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Description

Designed for precise closed-loop motion control, the Mitsubishi Electric MR-J2S-70A is a high-performance AC servo drive operating within the MELSERVO-J2-Super product line. This drive unit utilizes a sinusoidal PWM control and current control system to regulate speed, position, and torque with extreme precision. The MR-J2S-70A interfaces with general-purpose pulse train or analog voltage command architectures, making it highly adaptable for factory automation, packaging machinery, and CNC machining systems. Integrated real-time auto-tuning dynamically adjusts control parameters to match varying mechanical loads, ensuring stability and system performance.

Features

Real-time auto-tuning dynamically adapts control loop gains to mechanical load changes.
Built-in dynamic brake for swift deceleration and emergency stopping.
High-speed frequency response of 550 Hz or more for rapid duty-cycle performance.
Integrated communication capabilities supporting RS-232C and RS-422 interfaces.
Comprehensive protective suite including overcurrent, overload, overvoltage, and encoder fault detection.

Applications

Automated packaging and cartoning systems.
Multi-axis CNC machine tool positioning.
Material handling systems and high-speed gantries.
Precision pick-and-place electronic assembly machinery.

Technical Specifications

Manufacturer	Mitsubishi Electric
Model / Part Number	MR-J2S-70A
Series	MELSERVO-J2-Super (MR-J2S)
Output Rated Capacity	700 W
Main Circuit Power Supply	3-phase 200-230 VAC, 50/60 Hz OR 1-phase 230 VAC, 50/60 Hz
Permissible Voltage Fluctuation	3-phase 200-230 VAC: 170 to 253 VAC
Permissible Frequency Fluctuation	+/-5%
Control System	Sinusoidal PWM control, current control system
Dynamic Brake	Built-in
Speed Frequency Response	550 Hz or more
Positioning Feedback Resolution	131,072 pulses/revolution (17-bit resolution)
Analog Speed Command Ratio	Analog speed command 1:2000, Internal speed command 1:5000
Structure / Protection Class	Self-cooling, open (IP00 rating)
Operating Ambient Temperature	0 to 55 degC (non-freezing)
Ambient Operating Humidity	90% RH maximum (non-condensing)
Shipping Weight	3.0 kg

Connections and Interfaces

Connector / Terminal	Function Assignment
L1, L2, L3	Main circuit AC power supply input terminals
L11, L21	Control circuit power supply input terminals
U, V, W	Servo motor output connections (Power phases)
CN1A / CN1B	I/O signal connectors (Pulse/analog commands and digital signals)
CN2	Encoder feedback signal connection
CN3	Serial communication interface (RS-232C / RS-422 connection to PC/PLC)

Installation Guidelines

Mounting Alignment: Install the servo amplifier vertically on a flat, structural backplate to ensure adequate convective airflow.
Clearance Requirements: Keep a minimum clearance of 40 mm above and below the amplifier, and at least 10 mm on both sides for heat dissipation.
Environmental Control: House the unit in a clean control cabinet free from conductive dust, moisture, and corrosive atmospheric elements.
System Grounding: Ensure the protective earth (PE) terminal of the drive is connected to the primary cabinet ground bus using a low-impedance ground strap.

Compliance and Certifications

UL Recognized Component
cUL Certified
CE Directive Compliant

Key Features:

#AC Servo Amplifiers #MELSERVO MR-J2S

Can the MR-J2S-70A AC servo amplifier operate on single-phase power?

Yes, the MR-J2S-70A supports single-phase 230 VAC input at 50/60 Hz as well as standard 3-phase 200-230 VAC input.

What feedback resolution is supported by the MR-J2S-70A?

It supports high-resolution 17-bit encoders, providing a positioning feedback pulse resolution of 131,072 pulses per revolution.

What is the IP protection rating of the MR-J2S-70A servo amplifier?

The amplifier features an open self-cooling structure with an IP00 rating, meaning it must be installed inside a protective electrical enclosure or control cabinet.

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.

Orders are processed and delivered Monday-Friday (excluding public holidays).

For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

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Mitsubishi Electric MR-J2S-70A MELSERVO-J2-Super AC Servo Amplifier