REXRTOH DKC03.3-040-7-FW Digital Servo Drive

The REXRTOH DKC03.3-040-7-FW is a high-performance digital servo drive forming part of the established IndraDrive CS (Compact Drive) family. This model is engineered to provide precise, dynamic control for synchronous servo motors, delivering a continuous output current of 40 Amperes. The "FW" designation signifies a specific firmware configuration that unlocks advanced motion control functionalities. As a compact and intelligent drive solution, it combines power amplification, closed-loop control, and programmable motion logic in a single unit, making it a cornerstone for advanced automation systems requiring accurate single-axis control.

Key Features and Technological Capabilities

The DKC03.3-040-7-FW is defined by a suite of features designed for performance and integration:

• High Dynamic Performance: Offers high current loop bandwidth and advanced control algorithms for exceptional responsiveness and accuracy, minimizing following error during rapid moves.

• Integrated Motion Controller (Firmware FW): Supports PLCopen-compliant motion function blocks, enabling local execution of complex positioning sequences, cam profiles, and gear functions.

• Comprehensive Fieldbus Connectivity: Equipped with interfaces for major industrial networks such as PROFINET, PROFIBUS, EtherNet/IP, or EtherCAT, ensuring seamless integration into existing automation architectures.

• Safety Integrated (Option): Can support integrated safety functions (STO, SS1, SLS per IEC 61800-5-2) to meet safety requirements without additional hardware.

• Compact Modular Design: Part of the CS family, it features a space-saving design for cabinet mounting and can be combined with other modules like braking resistors and system interfaces.

• Advanced Diagnostics and Commissioning: Provides extensive diagnostic information and is configured via dedicated software tools (e.g., IndraWorks), simplifying setup, optimization, and troubleshooting.

• Wide Voltage Range: Typically designed for a common three-phase AC supply voltage range (e.g., 380-480V AC).

Technical Specifications Overview

The model number decodes into several key technical parameters, as summarized below.

Typical Industrial Applications

This drive is suited for dynamic and precise motion control tasks across various sectors:

• Packaging Machinery: Controlling axes for filling, labeling, wrapping, and palletizing with high speed and precision.

• Machine Tools: Driving feed axes, spindles, or tool changers in CNC milling machines, lathes, and lasers.

• Robotics: Serving as the joint drive for articulated robots or gantry systems.

• Material Handling: Controlling synchronous conveyors, sorting systems, and automated storage/retrieval systems (AS/RS).

• Printing and Converting: Providing precise tension control and registration for web-fed printing and converting equipment.

• Test and Simulation Equipment: Driving dynamic loads in test benches and simulators requiring accurate force and position control.

Conclusion

The REXRTOH DKC03.3-040-7-FW digital servo drive represents a powerful and intelligent solution for modern motion control. Its combination of robust 40A power output, advanced "FW" firmware for integrated motion planning, and seamless network integration makes it a versatile choice for demanding single-axis applications. By offering high dynamics, precision, and programmability, it enables machinery builders and system integrators to achieve higher levels of performance, flexibility, and efficiency in their automated systems. For complete electrical ratings, safety instructions, and detailed commissioning procedures, consulting the official IndraDrive CS documentation for this specific model is essential.