KOLLMORGEN CB06251: Digital Servo Drive for Precision Motion Control
Product Overview
The CB06251 is part of Kollmorgen's legacy of high-quality servo drives, offering a balance of performance, reliability, and ease of integration. It is designed to work seamlessly with Kollmorgen servo motors and third‑party motors, providing a flexible motion control solution for machine builders and system integrators.
Key Features and Functional Capabilities
High-Performance Digital Control: Utilizes a powerful 32‑bit DSP for high‑speed, accurate current and velocity loops, delivering exceptional dynamic response.
Multiple Feedback Support: Compatible with resolver, incremental encoder (quadrature), absolute encoder (EnDat, Hiperface), and Hall sensors, providing flexibility for various motor types.
Wide Input Voltage Range: Operates from 24V to 80V DC input, suitable for a variety of low‑voltage applications including battery‑powered and mobile systems.
Advanced Tuning and Configuration: User‑friendly software (Kollmorgen WorkBench) enables quick setup, auto‑tuning, and real‑time monitoring of drive and motor parameters.
Comprehensive Protection: Built‑in overcurrent, overvoltage, undervoltage, overtemperature, and short‑circuit protection ensure safe operation and long service life.
Flexible Control Modes: Supports torque, velocity, and position control modes with programmable profiles, electronic gearing, and camming.
Communication Interfaces: Standard I/O includes digital inputs/outputs, analog inputs, and pulse/direction inputs. Optional fieldbus modules (CANopen, EtherCAT) are available.
Compact and Rugged Design: Space‑saving enclosure with IP20 protection, suitable for mounting in electrical cabinets in industrial environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Digital Servo Drive |
| Part Number | CB06251 |
| Input Voltage | 24‑80V DC |
| Continuous Output Current | 6 A (12 A peak) |
| Feedback Types | Resolver, incremental encoder, absolute encoder (EnDat, Hiperface), Hall sensors |
| Control Modes | Torque, velocity, position, electronic gearing, camming |
| Digital I/O | 4 programmable inputs, 2 programmable outputs |
| Analog Inputs | 2 differential ±10V, 12‑bit resolution |
| Communication | RS‑232/485 for configuration; optional CANopen, EtherCAT modules |
| Protection Features | Overcurrent, overvoltage, undervoltage, overtemperature, short‑circuit, motor ground fault |
| Operating Temperature | 0°C to +50°C (derated above 40°C) |
| Storage Temperature | -25°C to +85°C |
| Relative Humidity | 5% to 95% non‑condensing |
| Vibration / Shock | IEC 60068‑2‑6 / IEC 60068‑2‑27 compliant |
| Protection Rating | IP20 |
| Mounting | Panel mount with heat sink |
| Dimensions (W×H×D) | 55 × 175 × 145 mm |
| Weight | Approx. 1.2 kg |
| Certifications | CE, UL, cUL |
Industrial Applications
The CB06251 servo drive is deployed across a wide range of industries where precise motion control is essential:
Packaging Machinery: Provides accurate indexing and tension control for form‑fill‑seal machines, labeling equipment, and cartoners.
Robotics: Powers articulated arms, SCARA robots, and gantry systems for pick‑and‑place, assembly, and material handling.
Material Handling: Controls conveyor systems, sorters, and automated guided vehicles (AGVs) requiring smooth speed control and positioning.
Medical Equipment: Drives precision stages in diagnostic devices, surgical robots, and laboratory automation.
Semiconductor Manufacturing: Enables high‑speed wafer handling and precise alignment in processing equipment.
Operational Benefits and Lifecycle Value
Enhanced Machine Performance: Advanced control algorithms and high‑speed current loops deliver exceptional dynamic response, reducing cycle times and improving product quality.
Easy Integration: Wide range of feedback support and flexible I/O simplify interfacing with various motors and controllers. Software tools enable quick commissioning.
Reliable Operation: Comprehensive protection features and rugged construction ensure long service life in demanding environments, minimizing downtime.
Scalable Solution: From simple torque control to complex multi‑axis coordinated motion, the CB06251 adapts to application requirements.
Long‑Term Support: As a trusted Kollmorgen product, the CB06251 is backed by global technical support and availability of spare parts.
Installation Guidelines
Mounting: Ensure adequate airflow around the drive; maintain clearance above and below for convection cooling.
Wiring: Use shielded cables for motor and feedback connections. Follow torque specifications for power and signal terminals.
Grounding: Connect the drive chassis to system ground using a low‑impedance path. Avoid ground loops by using a single‑point ground scheme.
EMC Compliance: Install the drive in a grounded metal cabinet, use ferrites on cables, and separate power from signal wiring.
Conclusion
The KOLLMORGEN CB06251 digital servo drive offers a compelling combination of performance, flexibility, and reliability for a wide spectrum of industrial motion control applications. Its compact size, wide input voltage range, and support for multiple feedback types make it a versatile choice for machine builders seeking to optimize their equipment's speed and precision. Backed by Kollmorgen's decades of expertise in motion control, the CB06251 delivers the accuracy and durability required to meet today's manufacturing challenges.





