Kollmorgen SERVOSTAR 601 System-Ready Servo Drive for SERVOSTAR Architecture

Kollmorgen SERVOSTAR 601 System-Ready Servo Drive for SERVOSTAR Architecture

The Kollmorgen SERVOSTAR 601 is a high-performance digital servo amplifier engineered for seamless integration within multi-axis motion control architectures. Rather than functioning as a standalone drive, the SERVOSTAR 601 is designed to operate as a coordinated node within a complete servo system — interfacing with motion controllers, feedback devices, power supply modules, communication gateways, and HMI platforms to deliver precise, repeatable, and scalable axis control across demanding industrial environments.

In layered automation architectures, the SERVOSTAR 601 occupies the drive layer between the motion controller and the servo motor. It receives trajectory commands from the control layer, processes encoder feedback from the motor, and executes torque, velocity, or position control loops with sub-millisecond cycle times. This tight integration with the control hierarchy ensures that the SERVOSTAR 601 contributes to overall system determinism, reducing jitter and improving synchronization across multi-axis applications.

Architecture Specification Table

Coordinated Control System Design

The SERVOSTAR 601 achieves its full performance potential when deployed as part of a coordinated Kollmorgen motion system. At the control layer, it interfaces directly with Kollmorgen AKD-N or AKD2G series motion controllers, or with third-party PLCs via CANopen or PROFIBUS DP communication modules. The controller issues motion profiles — point-to-point, contouring, or electronic gearing — which the SERVOSTAR 601 executes with high bandwidth current loop control.

On the motor side, the SERVOSTAR 601 is optimized for use with Kollmorgen AKM series servo motors, which provide high torque density and low cogging for smooth velocity control. The drive’s auto-tuning capability simplifies commissioning when paired with AKM motors, reducing setup time significantly in multi-axis systems. For legacy installations, the SERVOSTAR 601 also supports Kollmorgen Goldline series motors, extending the useful life of existing mechanical infrastructure.

Power supply architecture is a critical consideration in any servo system. The SERVOSTAR 601 operates from standard single or three-phase AC mains, and in multi-axis cabinets it is often deployed alongside Kollmorgen PST series regenerative power supplies or shared DC bus configurations. This arrangement allows braking energy from decelerating axes to be redistributed to accelerating axes, improving overall energy efficiency and reducing heat dissipation within the control cabinet.

For feedback integrity, the SERVOSTAR 601 supports resolver feedback natively, and can be configured for incremental encoder or Smart Feedback Device (SFD) interfaces. In high-precision applications, absolute encoder modules such as the Kollmorgen SFD3 provide single-cable feedback with position retention across power cycles, eliminating the need for homing routines and improving machine restart times.

Communication and network integration is handled through the drive’s built-in CANopen port, enabling it to participate in synchronized multi-axis networks managed by a CANopen master controller. For PROFIBUS DP environments — common in process industries and legacy factory automation — an optional PROFIBUS interface card can be installed, allowing the SERVOSTAR 601 to be addressed as a standard DP slave device. RS-232 and RS-485 ports support point-to-point configuration and diagnostic communication using Kollmorgen’s WorkBench commissioning software.

At the HMI layer, operator interfaces such as Kollmorgen-compatible Siemens SIMATIC HMI panels or Weintek cMT series touchscreens can be integrated to provide real-time axis status, fault diagnostics, and parameter visualization. This visibility into drive-level data supports predictive maintenance strategies and reduces unplanned downtime in continuous production environments.

Application in Layered Automation Systems

The SERVOSTAR 601 is deployed across a wide range of industrial sectors where precise motion control is essential to process quality and throughput. In packaging machinery, it controls servo-driven film feeders, rotary cutters, and labeling heads, where electronic camming and registration control demand tight synchronization between multiple axes. The drive’s high-bandwidth current loop and low-latency communication ensure that phase relationships between axes are maintained even during rapid acceleration and deceleration cycles.

In machine tool and metalworking applications, the SERVOSTAR 601 provides the axis control foundation for CNC milling, grinding, and turning centers. Its position loop stiffness and velocity loop bandwidth support high surface finish quality and dimensional accuracy, while its fault detection and protection circuits — including overcurrent, overvoltage, and motor overtemperature monitoring — safeguard both the drive and the mechanical system during abnormal operating conditions.

In the power generation and utilities sector, the SERVOSTAR 601 is used in valve actuator control systems, where precise positioning of control valves in steam turbines, gas compressors, and water treatment facilities requires reliable, repeatable servo performance. The drive’s ability to maintain position under varying load conditions makes it well-suited for these applications, where process stability directly impacts plant efficiency and safety.

In semiconductor and electronics manufacturing, the SERVOSTAR 601 supports high-speed pick-and-place systems, wafer handling robots, and precision dispensing platforms. These applications demand sub-micron positioning repeatability and smooth velocity profiles to prevent vibration-induced defects. The drive’s advanced filtering and notch frequency compensation capabilities allow it to suppress mechanical resonances that would otherwise limit achievable bandwidth.

For mining, metallurgy, and heavy industry applications, the SERVOSTAR 601 is integrated into conveyor positioning systems, rolling mill drives, and crane control architectures. In these environments, the drive’s robust protection features and wide operating temperature range ensure reliable performance in harsh electrical environments characterized by high EMI, voltage transients, and ambient temperature variations.

Architecture Engineering FAQ

Q1: Is the SERVOSTAR 601 compatible with third-party PLCs and motion controllers via CANopen?
Yes. The SERVOSTAR 601 implements the CANopen DS402 drive profile, which is the industry-standard device profile for servo drives and frequency inverters. This allows it to be integrated with any CANopen master controller that supports DS402, including Beckhoff TwinCAT, Bosch Rexroth, and Schneider Electric motion platforms. For PROFIBUS DP environments, an optional interface module enables integration with Siemens SIMATIC S7 and other DP master systems. RS-232/RS-485 interfaces support direct configuration via Kollmorgen WorkBench software.

Q2: What feedback devices are supported, and how does this affect system architecture design?
The SERVOSTAR 601 natively supports resolver feedback, which is robust against electrical noise and suitable for harsh industrial environments. It also supports incremental encoders and Kollmorgen’s Smart Feedback Device (SFD) interface for single-cable absolute feedback. When designing a multi-axis system, feedback device selection affects cable routing, cabinet wiring complexity, and homing strategy. SFD-compatible motors eliminate homing cycles, which is advantageous in applications requiring fast restart after power interruption. All supported feedback types are compatible with Kollmorgen AKM series motors.

Q3: What does the 12-Month Warranty cover, and how is long-term spare parts availability managed?
Every SERVOSTAR 601 unit supplied by ZYPLC is covered by a 12-Month Warranty covering functional performance, electrical integrity, and firmware compatibility. Prior to shipment, each unit undergoes functional testing under load conditions to verify current loop performance, feedback signal integrity, and communication port operation. For long-term maintenance planning, ZYPLC maintains stock of SERVOSTAR 600 series drives and associated components, including interface cards and connector kits, to support ongoing spare parts programs for installed machine fleets. Customers are encouraged to contact our technical team to discuss system-level spare parts strategies tailored to their production environment.

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