Product Overview
The MR-J4-70A is a 0.75kW high-performance AC servo amplifier from Mitsubishi MELSERVO-J4 series. It features 2.5kHz speed frequency response, high-resolution encoder support and complete safety functions, providing stable and precise motion control for small and medium automation equipment.
Key Specifications
- Brand: Mitsubishi
- Series: MR-J4
- Model: MR-J4-70A
- Rated Power: 0.75kW (750W)
- Power Supply: Single/Three-phase AC 200–240V 50/60Hz
- Control Modes: Position control, Speed control, Torque control
- 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-485 (Modbus RTU)
- Protection Functions: Overcurrent, overvoltage, overload, overheating, overspeed, encoder abnormality
- Compatible Motors: HG-KR73, HG-KR73BJ, HG-MR73
- Weight: 1.0kg
- Cooling: Natural cooling
Features & Benefits
- 2.5kHz high speed frequency response for fast and precise positioning
- Supports 22-bit high-resolution encoder for high positioning accuracy
- One-touch auto-tuning for easy parameter adjustment
- Built-in STO safety function meets international machine safety standards
- Advanced vibration suppression for smooth operation
- Compact size saves installation space
- Complete protection functions ensure long-term reliable use
Applications
Widely used in semiconductor equipment, electronic assembly machines, small packaging machinery, precision conveying devices, medical instruments, 3D printers and other light-load precision automation applications.
