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MR-J2-70AXA
The Mitsubishi MR-J2-70AXA model is a servo amplifier with a power output of 750 W. This unit employs a clear 4-digit, 7-segment LED display and operates with both 3-phase and 1-phase voltage inputs, supporting a 3-phase voltage range of 200-230V AC at 50/60 Hz.
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Technical specifications for MR-J2-70AXA
| Manufacturer | Mitsubishi |
|---|---|
| Product Type | Servo Amplifier |
| Product Line | MELSERVO MR-J2 |
| Part Number | MR-J2-70AXA |
| Weight | 12.00 lbs (5.44 kg) |
| Power Output | 750 W |
| Display | 4-digit, 7-segment LED |
| Operating Voltage/Frequency | 3-phase: 200-230V AC, 50/60Hz, 1-phase: 230V AC, 50/60Hz |
| Voltage Fluctuation Ranges | 3-phase: 170-253V AC, 1-phase: 207-253V AC |
| Torque Limit Input | 0 to ±10V DC/maximum current (except the torque control mode) |
| Maximum Input Pulse Frequency | 400kpps (differential receiver), 200kpps (open collector) |
| Encoder Fault Protection | Supported |
| Error Excessive Rating | ±80 kpulse |
| Speed Control | Analog control range: 1:1000, internal control range: 1:5000 |
| Speed Command Input | 0 to ±10V DC (analog) |
| Torque Command Input | 0 to ±8V DC (analog) |
| Frequency Variation Range | ±5% |
| Control Options | Sine-wave PWM and current control |
| Dynamic Brake | Supported |
The Mitsubishi MR-J2-70AXA servo amplifier is engineered for effective motor control in industrial applications. With a power rating of 750 W, this amplifier can drive various servo motors efficiently. Its display is a 4-digit, 7-segment LED, which provides clear visuals for operational data.
This unit is versatile with its operating voltage and frequency capabilities; it can handle 3-phase inputs of 200-230V AC and a frequency of 50/60Hz, as well as 1-phase inputs of 230V AC at the same frequency range. The voltage fluctuation tolerance for 3-phase input spans 170 to 253V AC, while 1-phase voltage fluctuation ranges from 207 to 253V AC. This wide range ensures stable operation in variable conditions.
For torque control, the MR-J2-70AXA takes a torque limit input of 0 to ±10V DC, excluding the torque control mode with a maximum current. The amplifier can process input pulse frequencies up to 400kpps when used with a differential receiver and 200kpps with open collector types. Enhanced encoder fault protection is included to safeguard the system from potential failures.
Speed control is precise, offering an analog control range of 1:1000 and an internal control range of 1:5000. Speed command inputs can be adjusted between 0 to ±10V DC, while torque command inputs function within 0 to ±8V DC. Additionally, the device offers a frequency variation tolerance of ±5%.
Control strategies include sine-wave PWM and current control, ensuring the motor operates smoothly under various load conditions. A dynamic brake feature is supported, providing further control over the system during emergency stops or quick halts. Overall, the MR-J2-70AXA is a robust solution for precise motion tasks in automated environments.
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