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Mitsubishi Servo Drive MR-J2S-70A

The Mitsubishi Servo Drive MR-J2S-70A is a high-performance servo drive designed for advanced motion control in industrial automation. As part of the MELSERVO-J2S series, it offers precise control, durability, and flexibility, making it suitable for a wide range of applications. The MR-J2S-70A is an excellent choice for industries seeking reliable and precise servo control, especially in demanding applications requiring quick response times and robust protection.

Product Description

Mitsubishi Servo Drive MR-J2S-70A

The Mitsubishi MR-J2S-70A is an advanced servo drive designed to deliver precision motion control and high reliability in industrial applications. Part of Mitsubishi's MELSERVO-J2S series, the MR-J2S-70A is optimized for both performance and flexibility, making it a versatile solution for a wide range of automation tasks.

Key Features:

Power Specifications:
- Input Voltage and Frequency: The MR-J2S-70A supports three-phase AC 200~230V at 50/60Hz, offering stability and compatibility with common industrial power supplies.
- Voltage Tolerance: It handles voltage fluctuations between AC170~253V for three-phase inputs, ensuring consistent performance even in unstable power conditions.
Control Technology:
- Control Method: The MR-J2S-70A uses advanced sine-wave PWM control and current control, ensuring smooth, accurate motion control and energy efficiency.
Integrated Braking:
- Dynamic Braking: This servo drive includes built-in dynamic braking, ensuring controlled deceleration in high-speed operations or emergency stops, contributing to system safety.
Comprehensive Protection:
- Overcurrent and Overvoltage Protection: The MR-J2S-70A includes protection mechanisms against overcurrent, regenerative brake overvoltage, and thermal overloads, enhancing the durability of the system.
- Thermal and Motor Protection: It also protects the servo motor from overheating and includes encoder error detection to prevent operational failures.
High-Speed Performance:
- Speed Frequency Response: With a frequency response of 550Hz or higher, the MR-J2S-70A provides fast, responsive motion control, essential for precision applications.
Position Control:
- Max Input Pulse Frequency: The MR-J2S-70A offers a maximum pulse input frequency of 500kpps for differential inputs and 200kpps for open-collector inputs.
- Electronic Gear Ratio: This drive supports electronic gearing, allowing for flexible pulse multiplication with ratios from 1 to 131072 for "A" and from 1 to 65535 for "B."
- Error Limits and Torque Control: The positioning error tolerance is ±10 revolutions, and torque limits can be adjusted via parameters or analog input signals (DC0V~+10V).
Speed Control:
- Control Range: The MR-J2S-70A provides a broad speed control range, with analog inputs supporting a range of 1:2000, while internal commands can reach 1:5000.
- Stability: Speed variation is tightly controlled, with fluctuations within ±0.01% under load changes, and within ±0.2% for temperature variations (25±10°C).
Torque Control:
- Analog Input for Torque Control: Accepts analog inputs of DC0V~±8V for torque adjustment, ensuring flexibility in torque control applications.
- Speed Limiting: Torque and speed limits can be set through parameters or external inputs.
Design and Construction:
- Cooling System: The MR-J2S-70A is designed with a self-cooled, open structure (IP00), ensuring reliable performance in standard industrial environments.
Weight:
- Weight: The MR-J2S-70A weighs approximately 1.4 kg, making it a compact and lightweight option for installation in various machine setups.

Environmental Specifications:

Operating Temperature: Suitable for operation in temperatures ranging from 0°C to +55°C without freezing.
Storage Temperature: Can be stored between -20°C and +60°C.
Humidity Resistance: The unit operates effectively in humidity levels up to 90% RH without condensation.
Air Quality: Designed for indoor environments free from corrosive gases, flammable gases, oil mist, and dust.
Altitude Capability: Operates efficiently at altitudes up to 1000 meters.
Vibration Resistance: The MR-J2S-70A can withstand vibrations up to 5.9 m/s², ensuring reliability in dynamic industrial settings.

The Mitsubishi MR-J2S-70A servo drive offers a balance of precision, power, and protective features, making it an ideal choice for automation systems requiring high-speed control and flexible integration capabilities.