The Kollmorgen 8MSA2S.R0-K4 is a compact servo drive, designed to serve as the control hub for small to medium-sized motion systems. As part of Kollmorgen’s MSA series—a line celebrated for its space-saving design and high efficiency—it integrates seamlessly with the brand’s miniature servo motors to form a complete, compact motion solution. In control system architectures, this drive acts as the interface between the controller and the motor, translating digital commands into precise electrical signals that govern motor movement.
Model 8MSA2S.R0-K4
Brand Kollmorgen
Type Compact Servo Drive
Rated Output Current 4A continuous, 12A peak
Input Voltage 24V DC
Control Modes Position, Velocity, Torque
Communication Protocols CANopen, Modbus RTU
Protection Features Overcurrent, Overvoltage, Short Circuit
Cooling System Passive (convection)
Operating Temperature 0°C to 50°C (32°F to 122°F)
Dimensions 100mm x 50mm x 30mm (W x H x D)
Weight 180 grams
Protection Class IP20
Mounting DIN rail or direct surface
The Kollmorgen 8MSA2S.R0-K4 is a compact servo drive, designed to serve as the control hub for small to medium-sized motion systems. As part of Kollmorgen’s MSA series—a line celebrated for its space-saving design and high efficiency—it integrates seamlessly with the brand’s miniature servo motors to form a complete, compact motion solution. In control system architectures, this drive acts as the interface between the controller and the motor, translating digital commands into precise electrical signals that govern motor movement.
8MSA2S.R0-K4
What sets the Kollmorgen 8MSA2S.R0-K4 apart is its role in tight spaces where larger drives cannot fit. It fits into distributed control systems (DCS) and programmable logic controller (PLC) setups for small-scale automation, communicating effortlessly with upstream controls to execute complex motion profiles. For engineers and integrators, its compatibility with both Kollmorgen’s micro motors and third-party small-frame servos simplifies system design, making it a versatile choice for retrofitting legacy equipment or building new compact automation cells.
8MSA2S.R0-K4
Main features and advantages:
The Kollmorgen 8MSA2S.R0-K4delivers impressive performance through its intelligent design and efficient operation. With a continuous output current of 4A and peak current of 12A, it provides enough power to drive small servo motors with rated torques up to 0.5 Nm, while maintaining responsive control for rapid acceleration and deceleration. Its advanced control algorithms minimize settling time, ensuring that moves from one position to another are completed quickly with minimal overshoot—critical in applications like optical inspection systems, where camera positioning must be exact.
Hardware-wise, the Kollmorgen 8MSA2S.R0-K4 features a ultra-compact housing measuring just 100mm x 50mm x 30mm, making it suitable for installation in crowded control cabinets or even directly on machine frames. Its fanless design reduces both noise and maintenance needs, while an IP20 protection rating shields internal components from dust in controlled environments. The drive’s modular construction allows for easy mounting on DIN rails or flat surfaces, adapting to diverse installation requirements.
Compatibility is a key strength, with support for CANopen and Modbus RTU protocols that enable seamless integration into small-scale automation networks. It works flawlessly with Kollmorgen’s 2000 series servo motors and is compatible with third-party motors featuring incremental encoders, offering flexibility for system designers working with mixed-brand setups.
8MSA2S.R0-K4
Technical specifications:
Model 8MSA2S.R0-K4
Brand Kollmorgen
Type Compact Servo Drive
Rated Output Current 4A continuous, 12A peak
Input Voltage 24V DC
Control Modes Position, Velocity, Torque
Communication Protocols CANopen, Modbus RTU
Protection Features Overcurrent, Overvoltage, Short Circuit
Cooling System Passive (convection)
Operating Temperature 0°C to 50°C (32°F to 122°F)
Dimensions 100mm x 50mm x 30mm (W x H x D)
Weight 180 grams
Protection Class IP20
Mounting DIN rail or direct surface
In the intricate world of precision automation, where compact size meets uncompromising performance, the Kollmorgen 8MSA2S.R0-K4emerges as a vital component. Imagine a laboratory automation system handling delicate chemical samples, where robotic pipettes must move with sub-millimeter accuracy to avoid contamination. Or consider a small-scale electronics assembly line, where pick-and-place machines position tiny surface-mount components onto circuit boards at high speeds. These are the environments where the Kollmorgen 8MSA2S.R0-K4shines, delivering the precise motion control needed for applications where space is limited but performance cannot be sacrificed.
Used in industrial automation across sectors like medical device manufacturing, where it drives syringe pumps with exact flow rates, and in 3D printers that produce intricate prototypes, the Kollmorgen 8MSA2S.R0-K4 excels in scenarios requiring both compactness and precision. In packaging for microelectronics, it powers conveyor systems that transport small components without jostling, ensuring delicate parts remain intact. Its ability to operate quietly makes it ideal for office automation equipment, such as high-speed document sorters, where noise reduction is a priority. Whether in clean-room environments or benchtop automation setups, the Kollmorgen 8MSA2S.R0-K4 delivers consistent performance that keeps small-scale automated processes running smoothly.
8MSA2S.R0-K4
Related products:
8MSA2S.R0-K2 – Lower current variant (2A continuous) in the same series, ideal for ultra-small motors in wearable robotics.
8MSA3S.R0-K6 – Higher power model (6A continuous) compatible with larger motors, often paired with the Kollmorgen 8MSA2S.R0-K4 in multi-axis systems.
Kollmorgen 2000-0120 – Miniature servo motor perfectly matched with the Kollmorgen 8MSA2S.R0-K4 for lab automation applications.
8MSA-CAB-02M – Shielded cable set designed to connect the Kollmorgen 8MSA2S.R0-K4 to motors, reducing electromagnetic interference in sensitive environments.
KAS100-04 – Current sensor that monitors the Kollmorgen 8MSA2S.R0-K4’s output, providing data for system diagnostics.
8MSA2S.R0-K4
Installation and maintenance:
Pre-installation planning for the Kollmorgen 8MSA2S.R0-K4 focuses on space and wiring constraints. Ensure the mounting location provides at least 20mm of clearance on all sides to prevent overheating, as passive cooling relies on airflow. For DIN rail mounting, use a 35mm standard rail and secure with retaining clips to prevent vibration-induced movement.
Electrical installation requires attention to wire gauge: use 0.5mm² cables for signal connections and 1.5mm² cables for power. Keep motor power cables separate from encoder wires to minimize noise, and terminate all connections with crimped ferrules for reliable contact. The drive’s ground terminal must be connected to a clean earth point with a resistance of less than 1Ω to ensure stable operation.
Maintenance for the Kollmorgen 8MSA2S.R0-K4 is minimal but critical. Perform monthly visual inspections to check for loose connections, especially in high-vibration environments. Use the MSA Configurator to log operating temperatures quarterly; sustained readings above 45°C indicate inadequate cooling. Update firmware annually via the USB port, ensuring compatibility with newer motor models and control protocols.
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