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MRH700BNUE
The MRH700BNUE AC servo drive from Mitsubishi is designed to support the HC-SF702 servo motor and is compatible with SSC-NET. This unit operates on a 3-phase input power supply and can deliver a rated output of 7 kW with a capacity of 10 kVA.
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Technical specifications for MRH700BNUE
| Manufacturer | Mitsubishi |
|---|---|
| Product Type | SSC-NET-compatible AC servo drive |
| Product Line | MELSERVO MR-H |
| Part Number | MRH700BNUE |
| Weight | 40.00 lbs (18.14 kg) |
| Compatible Servo Motor | HC-SF702 |
| Input Power | 3-phase 200-230V AC, 50/60 Hz |
| Rated Output | 7 kW |
| Power Supply Capacity | 10.0 kVA |
| Dynamic Brake | Built-in option |
| Control System | Sine-wave PWM control, current-based control |
| Speed Frequency Response | ≥ 250 Hz |
| Protective Functions | Overcurrent, overvoltage, overload, motor overheating, encoder fault, etc. |
| Servo Amplifier-Generated Heat | 320 W (at rated torque); 45 W (with servo off) |
| Absolute Positioning | Supported with absolute position encoder |
| Operating Temperature | 0 to +55°C (non-freezing) |
| Humidity | Up to 90% RH (non-condensing) |
| Communication Interface | RS-232C |
The Mitsubishi MRH700BNUE belongs to the MELSERVO MR-H Series and is identified as an SSC-NET-compatible AC servo drive. This drive is specifically engineered for use with the HC-SF702 type servo motor. Powering this unit requires a 3-phase AC input ranging from 200 to 230 volts and supports both 50 and 60 Hz frequency standards. Its output rating stands at a robust 7 kW, with overall power supply capacity rated at 10.0 kVA.
The MRH700BNUE's design integrates a dynamic brake option, enhancing operational safety and efficiency. The control system uses sine-wave pulse width modulation (PWM) and current-based control, ensuring optimized performance characteristics.
In operation, the servo drive demonstrates a rapid speed frequency response exceeding 250 Hz, making it suitable for applications that demand high response rates. Furthermore, it is equipped with various protective functions that respond to overcurrent, overvoltage, overloads, motor overheating, and encoder faults, which help to sustain reliable performance. Underrated torque conditions, the servo amplifier generates approximately 320 watts of heat and around 45 watts when the servo is inactive.
For applications requiring precision, absolute positioning is supported when coupled with a compatible absolute position encoder. The MRH700BNUE operates efficiently in environments with temperatures ranging from 0 to +55°C, avoiding freezing conditions. It can also function in atmospheres with humidity levels up to 90% relative humidity, provided there is no condensation. The unit weighs 12.0 kg (26.5 lbs), facilitating manageable installation. Communication with the drive is established through an RS-232C interface, enabling straightforward integration into existing control systems.
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