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Specification & Description
| Specification | Description |
|---|---|
| Part Number | MR-J3-20A |
| Alternative Part Number | MRJ320A |
| Manufacturer | Mitsubishi |
| Part Category | Servo Drives |
| Part Family | J3 Series |
| Input Voltage | 3 Phase 200 to 230 V ac |
| Output Current | 300 mA |
| Compatible Servo Motor Model | HF-MP13(B) |
| Rated Output | 100 W |
| Continuous Running Duty | Rated torque: 0.32 N•m, Maximum torque: 0.95 N•m |
| Rated Speed | 3000 r/min |
| Maximum Speed | 6000 r/min |
| Permissible Instantaneous Speed | 6900 r/min |
| Power Rate at Continuous Rated Torque | 31.7 kW/s |
| Rated Current | 0.9 A |
| Maximum Current | 2.8 A |
| Regenerative Braking Frequency | Compatible with MR-RB032 (30W) and MR-RB12 (100W) options |
| Moment of Inertia | Standard: 0.032 ×10^-4 kg•m^2, With electromagnetic brake: 0.039 ×10^-4 kg•m^2 |
| Recommended Load/Motor Inertia Moment Ratio | 30 times the servo motor's inertia moment maximum |
| Speed/Position Detector | 18-bit encoder, 262144p/rev |
| Insulation Class | Class B |
| Structure | Totally enclosed non ventilated (protection level: IP65) |
| Ambient Temperature | 0 to 40°C (non freezing), storage: –15 to 70°C (non freezing) |
| Ambient Humidity | 80%RH maximum (non condensing), storage: 90%RH maximum (non condensing) |
| Environment | Indoors (no direct sunlight); no corrosive gas, inflammable gas, oil mist or dust |
| Elevation | 1000m or less above sea level |
| Vibration | X, Y: 49m/s^2 |
| Mass | Standard: 0.56 kg, With electromagnetic brake: 0.86 kg |
The Mitsubishi MR-J3-20A is a sophisticated servo amplifier designed to deliver precise control and efficient power management for a wide range of industrial automation applications. Engineered with cutting-edge technology, this servo drive is part of the renowned J3 Series, known for its reliability and performance.
With its input voltage range of 200 to 230 V ac and a modest output current of 300 mA, the MR-J3-20A is an ideal solution for systems requiring stable and accurate motion control. The unit is adept at handling complex movements with ease, making it a perfect fit for tasks such as robotics, CNC machinery, and other precision-based operations.
The MR-J3-20A boasts a user-friendly interface that simplifies setup and operation, ensuring seamless integration into existing systems. Its compact design allows for efficient use of space within control cabinets, while its robust construction ensures longevity and consistent performance in demanding industrial environments.
This servo amplifier is compatible with a range of servo motors, providing flexibility in system design and allowing for tailored solutions to meet specific application requirements. The MR-J3-20A is a testament to Mitsubishi's commitment to quality and innovation, offering a reliable and high-performing servo drive solution for modern industrial automation challenges.
Commonly Asked Questions
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Frequently Asked Questions
What type of power supply is required for this servo amplifier?
The servo amplifier requires a 3-phase 200 to 230 V ac power supply.
What is the current consumption of this servo amplifier?
The current consumption of the servo amplifier is 300 mA.
Can this servo amplifier be used with any servo motor?
No, it is designed to be compatible with specific servo motors. For instance, the MR-J3-20A is compatible with the HF-MP13(B) servo motor among others in the HF-MP series.
What are the environmental conditions suitable for operating this servo amplifier?
The servo amplifier should be operated in an environment with an ambient temperature of 0 to 40°C (non-freezing), humidity of 80%RH maximum (non-condensing), and at an elevation of 1000m or less above sea level.
What is the role of the regenerative braking frequency in this servo amplifier?
The regenerative braking frequency indicates the permissible frequency for decelerating the motor without a load from rated speed to a stop. It varies depending on the load and operating conditions.
What is the significance of the moment of inertia for this servo amplifier?
The moment of inertia is a factor in determining the load/motor inertia moment ratio, which should not exceed 30 times the servo motor's inertia moment for optimal performance.
What type of enclosure does this servo amplifier have?
The servo amplifier has a totally enclosed non-ventilated structure with a protection level of IP65, excluding the shaft-through portion.
What kind of encoder resolution is supported by this servo amplifier?
The servo amplifier supports a high-resolution encoder with 262,144 pulses per revolution (18-bit).
What are the vibration limits for this servo amplifier?
The servo amplifier can withstand vibrations of 49m/s2 in the X and Y directions.
Is there a specific series of servo motors that this amplifier is designed to work with?
Yes, the MR-J3-20A is part of the MELSERVO-J3 series and is designed to work with the HF-MP series servo motors.
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