Overview
The Pacific Scientific R45HENA-R2-NS-NV-00 is a compact brushless servo motor designed for precision motion control in industrial automation systems. With rare earth magnets and a low-inertia rotor design, this servo delivers smooth, efficient operation in demanding applications. The integrated 32-bit floating-point signal processor supports rapid multi-drive communication via peer-to-peer coupling (synchrolink), making it ideal for coordinated motion tasks.
Key Features
- Low-inertia, rare earth magnet construction for rapid acceleration and dynamic response
- 32-bit floating-point signal processor with synchrolink for multi-drive coordination
- Robust aluminum capacitor construction in converter and supply modules
- Thermal overload capacity: 200% for 0.5 seconds; 170% for 1 second
- Frame size: 4.25-inch square with 5-inch stack length
- Size 21 frameless resolver primary feedback; no secondary feedback
- English shaft and mounting configuration
- Built-in brake chopper for converter protection
Technical Specifications
The R45HENA-R2-NS-NV-00 delivers consistent performance across the following parameters:
- Peak Stall Torque: 106 lb-in (11.9 Nm)
- Peak Rated Torque: 95 lb-in (10.6 Nm)
- Continuous Stall Torque: 48 lb-in (5.4 Nm)
- Continuous Rated Torque: 43 lb-in (4.8 Nm)
- Rated Speed: 4000 RPM
- Rated Input Voltage: 48 V/KRPM (0.45 V/RAD/SEC)
- Supply Voltage Range: 380–480 VAC (±10V margin)
- Rotor Inertia: 2.70 oz-in² (0.305 kg-cm²)
- Line-Line Inductance: 20.0 mH
- Mounting Diameter: 4.25 inches (108.0 mm)
- Motor Length: 9.84 inches (249.9 mm)
- Holding Brake: None (standard configuration)
- Shaft Sealing: No shaft seal
- Operating Temperature: 0–40°C (condensation-free environment)
- Magnet Type: Rare earth
Typical Applications
The Pacific Scientific R45HENA-R2-NS-NV-00 servo motor is used across numerous automation and motion control sectors:
- Coordinated multi-axis motion control systems requiring synchrolink communication
- Precision positioning and velocity control in manufacturing equipment
- CNC machine tool spindle drives and feed drives
- Automated assembly and packaging machinery
- Industrial robotics and handling systems
- Test and measurement equipment requiring repeatable dynamic response
Compatibility & Replacements
Compatible With
- Pacific Scientific drive converters and control units operating 380–480 VAC
- Multi-drive systems utilizing synchrolink peer-to-peer communication protocol
- Industrial automation controllers and motion control software
- Systems requiring 4000 rpm rated speed servo motors with resolver feedback
- English-shaft motor mounts and mechanical coupling applications
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator before ordering. Confirm motor frame size (4.25-inch square), stack length (5-inch), torque rating, and feedback type (Size 21 frameless resolver) match your application requirements.
Works With
- Pacific Scientific proprietary drive control software and firmware
- Synchrolink peer-to-peer coupling for rapid multi-drive communication
- Size 21 frameless resolver position feedback systems
- Brake chopper-equipped converters for dynamic braking and regeneration protection










