Rexroth DKC03.3-040-7-FW High – Performance Compact Servo Drive
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Rexroth DKC03.3-040-7-FW High – Performance Compact Servo Drive
The Rexroth DKC03.3-040 7-FW is a top – tier servo drive engineered to manage brushless servo motors in medium – to – high – power industrial applications. As an upgraded member of Rexroth’s DKC series, it bridges the gap between sophisticated motion controllers (such as the Rexroth CSH01.3C – ET – ENS – NNN – CCD – NN – S – NN – FW) and high – performance servo motors. It takes digital command signals and translates them into highly precise mechanical movements. Distinguishing itself from standard servo drives, this model combines substantial power output with a space – saving design, making it an excellent fit for machinery where space utilization is crucial.
Model DKC03.3-040 7-FW
Brand Rexroth
Type High – Performance Compact Servo Drive
Power Supply3 – phase AC 400V ±10%
Continuous Output Current 15A
Peak Output Current 40A (10ms duration)
Operating Temperature 0°C to 60°C (32°F to 140°F)
Storage Temperature – 25°C to 75°C (- 13°F to 167°F)
Mounting DIN rail (35mm)
Dimensions 150mm x 200mm x 160mm (W x H x D)
Weight 2.2kg
Interfaces 1 x EtherCAT, 2 x analog inputs, 6 x digital inputs, 4 x digital outputs
Motor Compatibility
Brushless servo motors (up to 3.5kW)
Certifications CE, UL, cUL, RoHS, ISO 14001 (Environmental)
Cooling Passive (enhanced heat sink)
Control Modes Position, velocity, torque, and advanced force control
The Rexroth DKC03.3-040 7-FW is a top – tier servo drive engineered to manage brushless servo motors in medium – to – high – power industrial applications. As an upgraded member of Rexroth’s DKC series, it bridges the gap between sophisticated motion controllers (such as the Rexroth CSH01.3C – ET – ENS – NNN – CCD – NN – S – NN – FW) and high – performance servo motors. It takes digital command signals and translates them into highly precise mechanical movements. Distinguishing itself from standard servo drives, this model combines substantial power output with a space – saving design, making it an excellent fit for machinery where space utilization is crucial.
DKC03.3-040-7-FW
The Rexroth DKC03.3-040 7-FWcan be easily integrated into both self – contained systems and large – scale networked automation frameworks. It supports a wide range of communication protocols, allowing it to function smoothly in diverse industrial communication environments. Its significance lies in its ability to offer high – level dynamic performance, including rapid acceleration and deceleration, while maintaining the stability needed for tasks that demand extreme precision.
DKC03.3-040-7-FW
Main features and advantages:
The RexrothDKC03.3-040 7-FW is remarkable for its outstanding power – to – size ratio. It can supply a peak current of 40A to drive servo motors with an output power of up to 3.5kW, all within a housing that is only 150mm wide. This makes it especially valuable in multi – axis systems like large – scale robotic gantries, where multiple drives must be installed close to each other. Its advanced control algorithms, including advanced field – oriented control (FOC) and intelligent feedforward compensation, can reduce position error significantly, even during rapid speed fluctuations. This is vital for applications like waterjet cutting, where precise path following is essential for achieving clean, accurate cuts. Unlike basic servo drives, the Rexroth DKC03.3-040 7-FW offers a plethora of connectivity options. It includes analog inputs, digital I/O, and a high – speed EtherCAT interface for seamless communication with motion controllers. This enables it to be integrated effortlessly into both legacy industrial setups and state – of – the – art Industry 4.0 environments.
Durability is a core feature of the Rexroth DKC03.3-040 7-FW. It has a sturdy metal housing that provides efficient heat dissipation, allowing it to operate reliably in temperatures up to 60°C without the need for additional forced cooling. The drive’s circuit design incorporates comprehensive protection features, such as overcurrent, overvoltage, and short – circuit protection. These features safeguard both the drive and the connected motor from damage during abnormal operating conditions. Engineers highly value its extremely low electromagnetic emissions, which minimize interference with nearby sensitive electronic equipment. This is a significant advantage in industries like electronics manufacturing and medical imaging, where EMI can disrupt delicate operations.
DKC03.3-040-7-FW
Technical specifications:
Model DKC03.3-040 7-FW
Brand Rexroth
Type High – Performance Compact Servo Drive
Power Supply3 – phase AC 400V ±10%
Continuous Output Current 15A
Peak Output Current 40A (10ms duration)
Operating Temperature 0°C to 60°C (32°F to 140°F)
Storage Temperature – 25°C to 75°C (- 13°F to 167°F)
Mounting DIN rail (35mm)
Dimensions 150mm x 200mm x 160mm (W x H x D)
Weight 2.2kg
Interfaces 1 x EtherCAT, 2 x analog inputs, 6 x digital inputs, 4 x digital outputs
Motor Compatibility
Brushless servo motors (up to 3.5kW)
Certifications CE, UL, cUL, RoHS, ISO 14001 (Environmental)
Cooling Passive (enhanced heat sink)
Control Modes Position, velocity, torque, and advanced force control
Contact Us Phone:+86 16626708626 WeChat/WhatsApp:+86 16626708626 Email: 3772179818@qq.com
Application areas:
Rexroth DKC03.3 – 020 – 7 – FW – A lower – current version of the Rexroth DKC03.3 – 040 – 7 – FW, suitable for motors with up to 2kW output.
Rexroth DKC04.3 – 040 – 7 – FW – A higher – power model with increased thermal management capabilities, compatible with motors up to 5kW.
Rexroth MHD132C – 081 – PG0 – BN – A servo motor that pairs perfectly with the Rexroth DKC03.3 – 040 – 7 – FW for achieving maximum performance.
Rexroth CSH01.3C – ET – ENS – NNN – CCD – NN – S – NN – FW – A motion controller that can effectively synchronize multiple Rexroth DKC03.3 – 040 – 7 – FW drives in complex multi – axis systems.
Rexroth R911306058 – A specialized feedback cable set designed for secure and accurate signal transmission between encoders and the Rexroth DKC03.3 – 040 – 7 – FW.
Rexroth DKC03.3 – 040 – 7 – FW/BR – A variant of the Rexroth DKC03.3 – 040 – 7 – FW with reinforced braking functionality, ideal for applications with high – inertia loads.
Rexroth PSB3AC/500 – 48 – A power supply unit optimized to provide stable and clean power to the Rexroth DKC03.3 – 040 – 7 – FW in three – phase industrial systems.
Installation and maintenance:
Before installing the Rexroth DKC03.3-040 7-FW, make sure the mounting surface, preferably a thick metal plate, can effectively dissipate heat. Avoid placing it near components that generate a large amount of heat, such as high – power transformers. Check that the DIN rail is rated to support the drive’s weight, and use locking DIN rail clips to prevent any movement during transportation or in the presence of vibrations. For electrical installation, use shielded power cables with a minimum cross – sectional area of 2.5mm² to handle the peak current without significant voltage drops. Ensure proper grounding of both the drive and the motor to minimize electromagnetic interference. When installing multiple Rexroth DKC03.3-040 7-FW units, maintain a minimum clearance of 40mm between drives to ensure good airflow and prevent overheating.
Maintenance of the Rexroth DKC03.3-040 7-FW mainly focuses on maintaining electrical connections and ensuring optimal thermal performance. Every two months, inspect the power terminals for any signs of overheating, such as discoloration or corrosion. If necessary, retighten the terminals to the specified torque of 3Nm. The drive’s status LEDs provide real – time information about its operation. Train operators to recognize normal and abnormal LED patterns to quickly identify issues such as overcurrent, overvoltage, or encoder malfunctions. Firmware updates are released quarterly and can be installed using Rexroth’s IndraWorks software and a suitable programming cable. Always back up the current parameters before performing a firmware update. Although the Rexroth DKC03.3-040 7-FW has no moving parts, it is recommended to check the cooling surfaces for dust accumulation every six months to maintain its thermal efficiency.