HBS57 Close Loop Servo Driver

HBS57 Closed Loop Servo Driver is built to deliver precise motion control with efficiency and reliability. By combining closed-loop feedback with stepper motor technology, it reduces resonance, improves accuracy, and protects against position loss—making it a strong choice for CNC machines, robotics, and automated equipment.

Key Features:

• Closed-Loop Control: Eliminates missed steps and ensures accurate positioning through real-time feedback.
• High Torque Utilization: Improves performance by using full motor capacity without the risk of stalling.
• Reduced Motor Heating: Optimized current control lowers temperature rise during long operation.
• Smooth Motion: Minimizes vibration and resonance, offering quieter and more stable operation.
• Fault Protection: Provides alarms for over-voltage, over-current, and position errors to safeguard equipment.

Technical Specifications:

• Input Voltage: 16 VDC – 70 VDC
• Output Current: 0.5 A – 5.7 A peak (adjustable)
• Control Signal: Pulse/Direction or CW/CCW input
• Encoder Feedback: Works with 1000-line incremental encoders (differential)
• Microstep Resolution: Programmable up to 256 subdivisions
• Response Frequency: Up to 200 kHz pulse input
• Protection Features: Over-voltage, over-current, and position error detection
• Operating Temperature: 0 °C to +50 °C

Mechanical Specifications:

• Package Style: Enclosed driver module with screw terminal connections
• Cooling: Natural air cooling with metal case for heat dissipation
• Mounting: Panel-mountable with fixing holes
• Connector Type: Pluggable screw connectors for power, motor, and signals

Dimensions:

• Length: Approx. 118 mm
• Width: Approx. 75 mm
• Height: Approx. 34 mm
• Weight: ~0.3 kg

Pinout and Wiring:

• Power Input: +VDC (24–50 V) and GND
• Motor Output: A+, A–, B+, B– connections to stepper motor phases
• Control Signals: PUL+, PUL– (Pulse); DIR+, DIR– (Direction); ENA+, ENA– (Enable)
• Encoder Input: EA+, EA–, EB+, EB– for differential encoder feedback
• Alarm Output: ALM+, ALM– for external fault monitoring
• Wiring Note: Use shielded cables for encoder signals and keep power lines separate to reduce noise interference.

Datasheet Reference:

• HBS57 datasheet

Applications:

• CNC Machinery: Provides reliable axis control for routers, mills, and lathes.
• Robotics: Delivers accurate movement and stable control in robotic arms and mobile robots.
• Packaging Equipment: Ensures smooth and synchronized motion for conveyors and labelers.
• Automation Systems: Enhances motion accuracy in pick-and-place and assembly machines.

Equivalent Models:

• Leadshine HBS57: Original reference model
• JMC iHSS57: Integrated closed-loop stepper system with similar specifications
• DMA860H: Higher current alternative for larger stepper motors

Package Includes:

• 1 x HBS57 Closed Loop Servo Driver