HBS57 Close Loop Servo Driver

HBS57 Close Loop Servo Driver is a professional-grade, high-performance hybrid servo drive designed to eliminate the common pitfalls of open-loop stepper systems, such as lost steps and position errors. This advanced driver utilizes a 32-bit DSP (Digital Signal Processor) and closed-loop control technology to synchronize the motor’s current, speed, and position in real-time. Consequently, it provides the reliability of a servo system while maintaining the high torque and simplicity of a stepper motor. Furthermore, the HBS57 significantly reduces motor heat and vibration, ensuring smoother operation and extended machinery life. Therefore, you can achieve high-speed precision and superior dynamic response in your most demanding CNC and automation projects by integrating this intelligent drive.

Key Features:

• Closed-Loop Control: The driver incorporates encoder feedback to ensure the motor never loses steps, even under high-load conditions or sudden acceleration.
• Variable Current Technology: It automatically adjusts the output current based on the actual load. Moreover, this feature drastically reduces motor temperature and energy consumption.
• High-Speed Response: The drive supports high-frequency pulse inputs, allowing for rapid positioning and high-torque output at elevated speeds compared to traditional drivers.
• Ultra-Low Noise: Advanced algorithms ensure the motor runs with minimal vibration and audible noise, providing a much quieter working environment.
• Fault Output Signal: The driver features a dedicated alarm output, which allows the host controller to halt operations immediately if a position error occurs.

Technical Specifications:

• Input Voltage Range: 20 V_DC to 50 V_DC (Typical: 36 V_DC)
• Peak Current: 8.0 A (Variable based on load)
• Logic Input Current: 7 mA to 16 mA
• Pulse Input Frequency: Maximum 200 kHz
• Isolation Resistance: Minimum 500 MΩ
• Microstep Settings: Adjustable from 400 to 51,200 steps per revolution
• Operating Temperature: 0°C to +70°C

Mechanical Specifications:

• Cooling Method: Natural cooling or forced air cooling (External fan recommended for high-current use).
• Shell Material: Robust Aluminum Heat Sink for efficient thermal dissipation.
• Mounting Style: Side-wall or base-plate mounting via integrated screw holes.
• Durability: Designed to withstand environments with high dust and mild vibration common in industrial settings.

Dimensions:

• Length: ≈ 118 mm
• Width: ≈ 75 mm
• Height: ≈ 34 mm
• Mounting Hole Pitch: 112 mm (Lengthwise)
• Weight: ≈ 300 g

Pinout and Wiring:

• VCC / GND: Power input pins (Ensure correct polarity within the 20-50 V_DC range).
• A+ / A- / B+ / B-: Motor phase connections for the hybrid stepper motor.
• PUL+ / PUL-: Pulse input signals for controlling movement speed and distance.
• DIR+ / DIR-: Direction signals to define the motor’s rotation path.
• ENA+ / ENA-: Enable signals used to engage or release the motor torque.
• EB+ / EB- / EA+ / EA-: Encoder feedback inputs from the motor to maintain the closed-loop cycle.
• ALM+ / ALM-: Alarm output pins that trigger when the position error exceeds the threshold.

Datasheet Reference:

• Download Leadshine HBS57 Series Hybrid Servo Driver Datasheet

Commonly Used in:

• CNC Machinery: Providing reliable motion for routers, laser cutters, and milling machines where precision is non-negotiable.
• 3D Printers: Powering large-format industrial 3D printers to prevent layer shifts during long print cycles.
• Pick and Place Robots: Managing rapid, repetitive movements in assembly lines with high accuracy.

Applications:

• Automated Packaging: Driving conveyor systems and labeling machines that require consistent timing.
• Textile Equipment: Ensuring smooth tension control and precise embroidery patterns.
• Electronic Assembly: Handling delicate components where sudden vibrations or lost steps could cause damage.

Equivalent Models:

• Leadshine CL57: However, the HBS57 often serves as the direct upgraded variant with enhanced DSP features.
• JMC 2HSS57: A functionally identical 2-phase hybrid servo driver widely used in similar CNC applications.
• StepperOnline CL57T: A competitive alternative offering similar closed-loop performance and voltage range.

Package Includes:

• 1 x HBS57 Close Loop Servo Driver