Lenze EVS9321-EI Servo Controller: Precision Motion Control for Industrial Applications

The Lenze EVS9321-EI delivers reliable performance for precision motion control systems. This compact Series 9300 controller provides exceptional flexibility across various industrial environments and power conditions.

Electrical Specifications & Power Ratings

• Brand: Lenze
• Model: EVS9321-EI
• Rated Mains Voltage: 400V / 480V Three Phase
• Voltage Operating Range: 320-528V AC
• Frequency Range: 50/60 Hz ±5%
• Rated Motor Power: 0.5 HP (0.37 kW)
• Current Consumption: 1.2A @ 400V / 1.0A @ 480V
• Power Factor: 0.98 typical at full load
• Efficiency Rating: 95% under normal operating conditions

Environmental Specifications & Durability

• Operating Temperature: 0°C to +40°C without derating
• Storage Temperature Range: -25°C to +55°C
• Protection Class: IP20 enclosure rating
• Relative Humidity: 5% to 95% non-condensing
• Vibration Resistance: 2.0 G maximum @ 10-150 Hz
• Altitude Limit: 2000 meters maximum operation
• Pollution Degree: Level 2 for industrial environments

Performance & Control Features

• Control Accuracy: ±0.1% of set speed
• Response Time: < 5 milliseconds for speed changes
• Signal Resolution: 16-bit digital processing
• Communication Interfaces: RS-485 standard
• Control Modes: Speed, torque, and position control
• Overload Capacity: 150% for 60 seconds

Installation & Mounting Requirements

• Mount in vertical position for optimal heat dissipation
• Maintain minimum 50mm clearance on all sides for airflow
• Use copper conductors only for power connections
• Ensure proper grounding with resistance below 0.1 ohm
• Install in well-ventilated control panel environment
• Follow local electrical codes and safety regulations

Packaging & Shipping Details

• Factory-sealed original packaging with anti-static protection
• Complete installation manual and quick start guide included
• Mounting brackets and connection terminals provided
• Express shipping via FedEx, UPS, DHL available
• 12-month comprehensive warranty from purchase date
• Technical support documentation included

Expert Technical FAQ

• What motor types work best with this servo controller?
• The unit performs optimally with three-phase synchronous servo motors. We recommend matching the motor specifications to your specific torque and speed requirements.
• How does the wide voltage range benefit my application?
• This flexibility allows operation in facilities with unstable power supplies. The controller maintains consistent performance despite voltage fluctuations.
• Can I use this controller in high-vibration environments?
• While rated for 2.0 G vibration, we suggest additional damping in harsh conditions. Regular inspection of connections ensures long-term reliability.
• What maintenance procedures ensure optimal performance?
• Check terminal tightness every six months and clean cooling paths annually. Monitor operating temperatures during initial setup periods.
• How do I select the right protection devices for installation?
• Use fast-acting semiconductor fuses rated for 10A maximum. Proper circuit breakers should match your local supply characteristics and safety standards.

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