Product Overview
The MR-J4-700A is a high-power AC servo amplifier from Mitsubishi MELSERVO-J4 series. It features advanced vector control algorithm, strong overload capacity and 2.5kHz speed frequency response, providing stable and precise motion control for heavy-load automation equipment.
Key Specifications
- Brand: Mitsubishi
- Series: MR-J4
- Model: MR-J4-700A
- Rated Power: 7.0kW (7000W)
- Power Supply: Three-phase AC 200–240V 50/60Hz; Control circuit: Single-phase AC 200–240V
- Main Circuit Rated Current: 28.9A; Output Rated Current: 37.0A
- Control Modes: Position control, Speed control, Torque control, multi-mode switching
- Encoder Support: 17/20/22-bit incremental/absolute encoder
- Max Pulse Input: 4Mpps differential pulse
- Speed Frequency Response: 2.5kHz
- Safety Function: STO (Safe Torque Off)
- Communication: USB, RS-422/RS-485 (Modbus RTU)
- Protection Functions: Overcurrent, overvoltage, overload, overheating, overspeed, encoder abnormality
- Compatible Motors: HG-KR73J, HG-KR73BJ, HG-MR73, HF-SP702
- Weight: 6.2kg
- Cooling: Forced air cooling
- Dimensions: 300×172×200mm (H×W×D)
- Protection Grade: IP20
- Ambient Temperature: 0–55°C
Features & Benefits
- 2.5kHz high-speed frequency response ensures fast dynamic response and high positioning accuracy
- Supports 22-bit high-resolution encoder for micron-level positioning precision
- One-touch auto-tuning for quick parameter optimization and easy commissioning
- Built-in STO safety function meets international machine safety standards
- Advanced vibration suppression control II and adaptive filter II reduce mechanical vibration
- Strong overload capacity, suitable for heavy-load and impact load applications
- Complete protection functions ensure long-term reliable operation
- Compact structure with forced air cooling for stable high-power operation
Applications
Widely used in CNC machine tools, large injection molding machines, industrial robots, woodworking machinery, packaging machinery, semiconductor manufacturing equipment and other high-power heavy-duty precision automation scenarios requiring stable and high-torque motion control.
