MOTOROLA VME162PA-344E-2G

• Step Resolution:
  • 16 selectable microstep divisions
  • Maximum resolution of 60,000 steps per revolution
• Pulse Input Frequency:
  • Maximum response frequency: 200,000 pulses per second (200 Kpps)
  • Accepts pulse signals via optically isolated inputs
• Control Signals:
  • Step, direction, and enable inputs with optical isolation
  • Supports both common cathode and common anode configurations
• Power and Efficiency:
  • Single AC power input
  • High-efficiency power conversion design
• Physical Dimensions:
  • Size: 200 mm × 156 mm × 90 mm
  • Net weight: 1.6 kg
• Environmental Conditions:
  • Operating temperature: 0°C to +45°C
  • Storage temperature: -25°C to +85°C
  • Humidity: 40% to 90% relative humidity, non-condensing

Functional Features

• Microstepping Control:
  • Equal-angle constant-torque microstepping ensures smooth motion and eliminates low-speed vibration
  • 16-step resolution selection provides flexibility for different application requirements
• Advanced Drive Technology:
  • Dual-polarity constant-current chopping delivers higher speed and torque from the same motor
  • Unique control circuitry significantly reduces operational noise and improves running smoothness
• Energy Efficiency:
  • Automatic current reduction when step pulse stops for more than 100 ms
  • Idle current can be set between 20% and 80% of full current via STOP/Im configuration
• Protection Mechanisms:
  • Comprehensive protection including over-temperature, over-current, and under-voltage safeguards
  • Fault output signal indicates error conditions
• Position Memory:
  • Phase position memory function retains motor phase information when pulse input stops for more than 5 seconds
  • Ensures accurate position recovery after idle periods
• Signal Isolation:
  • All input and output signals are optically isolated for enhanced noise immunity and system reliability

Performance Characteristics

• Positioning Accuracy: Up to 60,000 steps per revolution enables extremely precise positioning
• Low-Speed Operation: Vibration-free and quiet running at low speeds due to advanced microstepping algorithm
• High-Speed Torque: Significantly higher torque output at high speeds compared to two-phase and five-phase stepper motor systems
• Dynamic Response: Fast step pulse response up to 200 Kpps supports high-speed motion applications

Applications

• CNC Machinery: CNC routers, milling machines, and engraving systems requiring high precision and smooth motion
• Woodworking Equipment: Wood carving machines, panel saws, and CNC wood routers
• Ceramic and Glass Processing: Ceramic tile cutting machines, glass engraving and cutting systems
• Packaging Machinery: High-speed packaging lines, labeling equipment, and filling systems
• Electronics Manufacturing: PCB drilling machines, component placement systems, and inspection equipment
• Textile Machinery: Computerized embroidery machines and textile cutting systems
• Laser Systems: Laser cutting and engraving machines requiring precise motion control
• Automation Equipment: General-purpose industrial automation systems requiring high-speed, high-accuracy positioning

Design and Integration

• Compact Design: Space-efficient enclosure suitable for integration into machine control cabinets
• User-Friendly Configuration: DIP switches for easy setting of current, microstep resolution, and other parameters
• Robust Construction: Industrial-grade components and layout for reliable operation in harsh environments
• Thermal Management: Efficient heat dissipation design ensures stable performance under continuous load

Manufacturer and Support
The VME162PA-344SE-2G is part of Motorola’s industrial automation product line, designed for integration into complex control systems. While Motorola has transitioned many of its industrial control assets to other entities, this driver remains in widespread use across global manufacturing and automation sectors. Technical documentation, replacement units, and application support are available through authorized industrial automation suppliers and distributors specializing in motion control components. The driver is commonly used in system upgrades, maintenance programs, and new equipment installations where high-performance stepper motor control is required.