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MELSERVO-J4: High-Precision Servo System for Global Industrial Automation

Name: MELSERVO-J4: High-Precision Servo System for Global Industrial Automation
Brand: Shanghai Fradwell Industrial Automation Co., Ltd.
SKU: MELSERVO-J4
Price: 2,225.00 USD
Availability: InStock

Product Details

Place of Origin: Japan

Certification: CE、UL/cUL、RoHS、REACH、EAC、UKCA、EN ISO 13849-1（Cat.3 PL e）、IEC 61508（SIL 3）、EN 62061（SIL CL 3）、EN 61800-5-2（STO)、LR、GL、BV、DNV、ABS、CCS、NK、KR、RINA

Model Number: MELSERVO-J4

Payment & Shipping Terms

Minimum Order Quantity: 1

Price: $250- $4200

Delivery Time: 3-5Workday

Payment Terms: L/C,D/A,D/P,T/T,Western Union

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Product Details

Product Description

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                                                                                                                                                            Mitsubishi MELSERVO-J4 servo system, high-precision servo drive motor, industrial automation servo motor
                      

Type:	Servo Drive Motor	Warranty:	Original Manufacturer's Warranty
Pakage:	Original Pakage	Shipping Term:	International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line
Freight Charge:	For Industrial Equipment (e.g., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote

Type:	Servo Drive Motor
Warranty:	Original Manufacturer's Warranty
Pakage:	Original Pakage
Shipping Term:	International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line
Freight Charge:	For Industrial Equipment (e.g., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote

MELSERVO-J4: High-Precision Servo System for Global Industrial Automation

MELSERVO-J4: High-Precision Servo System

The MELSERVO-J4 is a high-precision servo system engineered for global industrial automation applications. Boasting an innovative high-speed servo control architecture that delivers a 2.5kHz response frequency, coupled with a high-resolution absolute position encoder supporting 4,194,304 pulses per revolution, it enables both high-speed, precise operation and smooth rotational performance. This system integrates intelligent features including one-touch tuning, Advanced Vibration Suppression Control Ⅱ, and robust filters, which automatically adjust servo gains, suppress vibrations across multiple frequency bands, and expand the scope and quantity of mechanical resonance suppression filters—effectively cutting equipment tuning time and enhancing trajectory control accuracy. Fully compliant with global industrial standards such as IEC/EN, the MELSERVO-J4 is ideally suited for diverse sectors including semiconductor manufacturing, robotics, CNC machine tools, and packaging machinery.

Product Features

High-Precision Control Core: Equipped with a 22-bit high-resolution absolute position encoder supporting 4,194,304 pulses per revolution, combined with a 2.5kHz high-speed response frequency, to achieve precise positioning and smooth rotation.
Intelligent Vibration Suppression: Integrates Advanced Vibration Suppression Control Ⅱ and robust filters. It can suppress two types of low-frequency vibrations simultaneously, and the applicable range of the mechanical resonance suppression filter is extended to 10Hz-4500Hz.
Easy Commissioning & Operation: Supports one-touch tuning function to automatically adjust servo gains and response settings. Paired with MR Configurator2 software, it simplifies calibration, diagnosis, and parameter configuration processes.
Flexible System Compatibility: Compatible with rotary motors, linear motors, and direct-drive motors. It supports single-axis, dual-axis, and three-axis amplifier configurations, and can achieve ultra-large capacity output of 110kW-220kW through parallel drive.
High-Speed & Stable Communication: Supports SSC Net Ⅲ/H fully synchronous communication with a command communication cycle as low as 0.222ms. It is compatible with industrial networks such as CC-Link IE Field Network Basic, featuring strong anti-interference performance.
Safe & Energy-Saving Design: When paired with the MR-D30 functional safety unit, it meets Category 4 PLe and SIL 3 standards. Power regeneration technology enables energy recovery, and the motor adopts an optimized structure to reduce torque ripple.

Product Advantages

Boost Production Efficiency: Vibration suppression technology shortens equipment commissioning time. High-speed response and precise synchronous control reduce processing cycles, helping to increase production capacity.
Lower Operational Costs: One-touch tuning and visual commissioning tools cut down installation and debugging man-hours. The wiring-saving design and energy recovery function reduce operation, maintenance, and energy consumption costs.
Adapt to Diverse Application Scenarios: Covers small-to-medium and ultra-large capacity applications, ranging from semiconductor manufacturing and CNC machine tools to large stamping equipment. It is compatible with control systems of multiple brands.
Ensure Reliable Operation: With IP65/IP67 environmental protection rating, optical communication anti-interference design, and compliance with global IEC/EN standards, it ensures stable operation under harsh working conditions.
Simplify System Integration: Supports multi-axis synchronization, interpolation control, and long-distance wiring (up to 3200m). It can be flexibly combined into tandem or multi-head structures, adapting to complex equipment design requirements.

Core Technical Parameters

Parameter Category	Specification Details
Basic Model & Power Range	Model Series: MR‑J4‑A/B/GF‑RJ, etc.; Power Capacity: 30 W‑55 kW (30 W model supports 48 V DC/24 V DC power supply)
Power Supply	200 V Class: 1‑phase/3‑phase AC 200‑240 V, 50/60 Hz; 400 V Class: 3‑phase AC 380‑480 V, 50/60 Hz; Control Circuit: DC 24 V ± 10% (0.3‑0.5 A current required)
Control Performance	Speed Frequency Response: 2.5 kHz; Encoder Resolution: 22‑bit (4,194,304 pulses/rev) absolute position encoder; Max Command Pulse Frequency: 4 Mpulses/s (differential receiver), 200 kpulses/s (open collector)
Communication Interface	SSCNET Ⅲ/H (optical fiber, command cycle 0.222 ms), CC‑Link IE Field Network Basic, RS‑422/RS‑485 (max 32 axes), USB (supports MR Configurator2)
Vibration Suppression	Advanced Vibration Suppression Control Ⅱ, robust filter; Mechanical resonance suppression filter: 10 Hz‑4500 Hz, supports multi‑band vibration suppression
Safety & Protection	Safety Compliance: Category 4 PLe, SIL 3 (with MR‑D30 unit); Protection Functions: Overcurrent, overvoltage, overload, motor overheat, encoder fault, undervoltage, overspeed, excessive error protection
Environmental Adaptability	Operating Temperature: 0‑55 °C; Storage Temperature: ‑20‑65 °C; Protection Rating: IP20 (amplifier), IP65/IP67 (motor)
Motor Compatibility	Compatible with rotary motors (HG‑KR/HG‑MR/HG‑SR), linear motors (LM‑H3/LM‑U2, etc.), direct drive motors
Positioning & Tuning	One‑touch tuning, built‑in positioning function (point table, program, equal division indexing); Electronic Gear Ratio: A=1‑16777215, B=1‑16777215, 1/10 < A/B < 4000

Servo Drives (MR-J4 Series)

Category	Model Prefix	Voltage Class	Power Range	Core Features	Compatible Interface
SSCNET III/H Type (GF)	MR-J4-□GF(-RJ)	200V/400V	100W-22kW	Built-in regenerative resistor, safety functions	SSCNET III/H
General-Purpose Pulse Type (B)	MR-J4-□B(-RJ)	200V/400V	100W-22kW	Pulse + analog input	General-Purpose Interface
General-Purpose Pulse Type (A)	MR-J4-□A(-RJ)	200V/400V	100W-22kW	Pulse + analog input, simplified functions	General-Purpose Interface
Multi-Axis Drive	MR-J4W2/MR-J4W3	200V	Multi-axis integration	2-axis/3-axis integrated, space-saving	SSCNET III/H
DC Drive	MR-J4-□BD	24V/48V DC	10W-300W	Compatible with DC motors	General-Purpose Interface

200V Series Models (Partial)

MR-J4-10GF, MR-J4-20B, MR-J4-40A, MR-J4-60GF, MR-J4-100B
MR-J4-200GF, MR-J4-350B, MR-J4-500GF, MR-J4-700B, MR-J4-11KB
MR-J4-15KB, MR-J4-22KB

400V Series Models (Partial)

MR-J4-60B4, MR-J4-100GF4, MR-J4-200B4, MR-J4-350GF4, MR-J4-500B4
MR-J4-700GF4, MR-J4-11KB4, MR-J4-15KB4, MR-J4-22KB4

Rotary Servo Motors (HG Series)

Motor Series	Voltage Class	Power Range	Encoder	Compatible Drives	Core Features
HG-KR	200V	50W-750W	4 million pulses/rev	MR-J4-10~700 (GF/B/A)	Miniaturized, suitable for light loads
HG-MR	200V	100W-7.5kW	4 million pulses/rev	MR-J4-10~700 (GF/B/A)	General-purpose, cost-effective
HG-SR	200V/400V	100W-22kW	4 million pulses/rev	MR-J4-10~22K (GF/B/A/GF4/B4/A4)	High precision, suitable for heavy loads
HG-JR	200V/400V	700W-22kW	4 million pulses/rev	MR-J4-700~22K (GF/B/A/GF4/B4/A4)	High torque, maximum torque up to 400% of rated
HG-RR	200V/400V	1.5kW-22kW	4 million pulses/rev	MR-J4-1500~22K (GF/B/A/GF4/B4/A4)	Rotary type, compatible with special machinery
HG-AK	24V/48V DC	10W-300W	4 million pulses/rev	MR-J4-□BD	DC power supply, suitable for mobile equipment

Application Fields

Semiconductor and FPD manufacturing
Machine tool and precision machining
Electronic component assembly
Packaging and food processing
Robotics and material handling
Automotive manufacturing
New energy equipment manufacturing
Medical device manufacturing

Common Issues & Troubleshooting

Q: The drive throws AL.E6 overload fault right after startup, and the motor won't turn. What's wrong?

A: It's mostly mechanical jamming or overloaded load. First, power off and manually rotate the load shaft to check for abnormal resistance—inspect guide rail/ball screw lubrication and coupling concentricity. Then check if the inertia ratio exceeds 15 times; if yes, reduce the load or switch to a higher-power motor. Also, the overload threshold in parameters might be set too low—use MR Configurator2 to reset PA05 to the default 150%.

Q: AL.52 encoder error pops up suddenly during operation, and the motor stops abruptly. How to fix it?

A: First check the encoder cable—cables in drag chains are prone to breakage, replace it with a high-flexibility shielded cable (H type). Then clean the encoder connector to remove oil stains and re-plug it firmly. If that doesn't work, reset the encoder with PA03=1001. If the fault persists, the encoder is probably damaged and needs replacement.

Q: The motor vibrates and makes loud noise during operation, especially at high speeds. How to solve this?

A: First check the mechanics—see if bearings are worn or lubrication is sufficient; replenish grease every 50,000 cycles. Then adjust parameters: lower the rigidity parameter Pr0.07 slightly and run the one-click auto-tuning in MR Configurator2 for optimization. If resonance is obvious, enable the vibration suppression function, and check the load inertia matching degree at the same time.

Q: AL.20 main circuit undervoltage fault is triggered frequently, but the measured power supply voltage is normal. Why?

A: It's mostly caused by loose power cables or insufficient wire gauge, which leads to large voltage drop under high current. Inspect if the main circuit terminals are oxidized or loose, and replace the cables with thicker ones. In addition, add a voltage stabilizer or reactor if the power grid fluctuates a lot—it can reduce such alarms effectively.

Q: The drive gets extremely hot and even throws overheating warning (91.1). What to do?

A: First check heat dissipation—ensure the heat sink is free of dust and well-ventilated, don't mount it too close to other heat-generating equipment. Then check if the cooling fan is working; replace it if it's broken. If the drive runs at full load for a long time, optimize the motion curve to reduce continuous overload duration, or increase the overload threshold appropriately (but don't exceed the limit too much).

Q: Communication with PLC keeps dropping and AL.8D CC-Link IE communication error is reported. How to troubleshoot?

A: First verify communication parameters—baud rate, station number must match those of the PLC. Then check the communication cable: use shielded cables, keep them away from high-voltage lines, and ground both ends properly. Finally, check the firmware versions—update both the drive and PLC firmware to the latest, and try replacing the communication module if the problem still exists.

Q: The motor runs but can't position accurately, with repeated position deviations. How to fix it?

A: First check mechanical backlash—see if the ball screw or gearbox is worn; adjust or replace them if needed. Then calibrate the encoder and perform origin return with MR Configurator2. In addition, check if the pulse command is lost—add a ferrite core filter if there's strong interference, and ensure the shielded cable is grounded correctly.

Q: The regenerative resistor always gets overheated and even burns out. How to solve this?

A: This is caused by excessive regenerative energy during deceleration. First confirm if the regenerative resistor power is sufficient—replace it with a higher-power one if not. Then check parameter Pn600 and set the regenerative braking function correctly. For loads with frequent start-stop or large inertia, add a regenerative braking unit—it will work much better.

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MELSERVO-J4: High-Precision Servo System for Global Industrial Automation

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Industrial Automation Control Systems

Drives & Motion Control

Electronic Components & Semiconductors

Industrial Sensors

Actuator Valve

Electrical Distribution

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