DKC03.3-040-7-FW Rexroth DCS servo drive

• Brand
  REXROTH
• Model
  DKC03.3-040-7-FW
• Product Name
  IndraDrive C Compact AC Servo Drive
• Country of Origin
  Germany
• HS Code
  85044090
• Dimensions
  152mm*198mm*63mm
• Weight
  3.85kg
• Operating Temperature
  0°C to +40°C
• Storage Temperature
  0°C to +60°C
• Power Supply
  AC 400V to 480V
• Warranty
  12 month
• Product Status
  New and original

REXROTH DKC03.3-040-7-FW Product Introduction and Technical Parameters
Electrical Input and Output Parameters

Power Supply Input: Compatible with three-phase AC 400V to 480V industrial standard power supply, adapting to mainstream industrial power grid environments. Equipped with built-in power filtering and surge suppression circuits to effectively resist grid voltage fluctuation and electromagnetic interference, ensuring stable and continuous power input for long-term operation.

Power Output Performance: Rated output current reaches 40A, supporting medium and high-power servo motor driving requirements. It features strong overload operation capability, adapting to frequent start-stop, instantaneous load surge and high-dynamic operating conditions of industrial machinery. The drive supports multi-drive parallel connection and unified bus power management for multi-axis motion control systems.

Control and Feedback Output: Adopts third-generation vector control algorithm, achieving speed control fluctuation lower than 0.01% under rated speed. Matched with 20-bit high-resolution encoder, it realizes positioning accuracy within ±1 pulse and microsecond-level dynamic response with step response time less than 5ms. It supports both absolute and incremental position signal output with adjustable encoder line resolution ranging from 1 to 65536, meeting diverse high-precision control demands.

Communication Interface: Equipped with multi-functional industrial communication interfaces including RS232 and RS485 serial ports and analog signal interfaces. It supports mainstream industrial Ethernet protocols such as Sercos III, PROFINET, EtherNet/IP and EtherCAT, and is compatible with CANopen bus protocol, realizing seamless data interaction and synchronous linkage with upper controllers.

Core Functions

It realizes full closed-loop high-precision motion control, supporting high-speed stable operation, precise fixed-point positioning and flexible torque output of servo motors. It achieves multi-axis synchronous linkage control through industrial bus communication, meeting the coordinated operation requirements of multi-station automated production lines. The intelligent power regulation function automatically adjusts output power according to load changes, realizing energy-saving and efficient operation. The built-in signal filtering and anti-jamming functions purify input and output signals and improve the stability of motion control. It supports real-time operating data collection, fault recording and status monitoring, providing accurate data support for equipment intelligent management and predictive maintenance. It also supports flexible parameter configuration, which can be adapted to different types of servo motors and mechanical equipment through simple parameter setting.

Product Advantages

Firstly, it delivers ultra-high control precision and dynamic response, with extremely low speed fluctuation and micron-level positioning capability, fully meeting the high-precision processing and positioning needs of sophisticated industrial equipment. Secondly, the compact modular structure saves electrical cabinet space, simplifies equipment assembly and reduces overall equipment volume. Thirdly, multi-protocol communication compatibility enables seamless connection with various mainstream industrial controllers, with strong system compatibility and expandability. Fourthly, excellent overload resistance and temperature adaptability ensure long-term stable operation in complex and variable industrial working conditions, reducing equipment failure rate. Fifthly, intelligent automatic debugging and fault diagnosis functions greatly shorten equipment commissioning cycle and daily maintenance workload, improving production line operation efficiency. Sixthly, optimized power control algorithm reduces invalid energy consumption and heat generation, achieving energy-saving and environmentally friendly operation while ensuring high-performance output.

Application Cases and Scenarios

The REXROTH DKC03.3-040-7-FW servo drive is widely used in high-precision and high-dynamic industrial automation equipment. It serves as the core motion control component of CNC machine tools, providing stable and precise axis motion control for precision cutting, milling and drilling equipment. It is extensively applied in industrial robot systems, including handling robots, sorting robots and multi-joint manipulators, realizing flexible and accurate robotic arm movement. In the packaging industry, it is used in high-speed labeling machines, filling machines and cartoning machines to complete high-frequency start-stop and precise positioning operations. Additionally, it is widely adopted in electronic component placement equipment, laser processing machinery, automated sorting and conveying lines, and other light and heavy industrial automation scenarios, providing reliable, high-efficiency and high-precision motion control support for modern intelligent manufacturing production lines.

Core Product Features

This servo drive adopts advanced third-generation vector control technology with ultra-high dynamic response and control precision. It supports three core control modes of position, speed and torque with seamless automatic switching to adapt to different mechanical motion requirements. It integrates comprehensive industrial safety functions including STO (Safe Torque Off) safety shutdown, ensuring equipment and personnel operation safety. With IP20 protection grade, it is specially designed for internal installation of industrial electrical cabinets, featuring dust resistance and internal circuit protection. The drive has strong anti-electromagnetic interference ability, stable operation in complex industrial electromagnetic environments, and supports automatic parameter identification and motor matching, eliminating complicated manual debugging. In addition, it is equipped with complete fault self-diagnosis and alarm functions, covering over-current, over-voltage, under-voltage, over-temperature and overload faults, facilitating rapid troubleshooting and equipment maintenance.