Description
| Product Model | DKCXX.3-040-7 |
| Manufacturer | Bosch Rexroth (Indramat) |
| Product Category | Digital Servo Drive / Amplifier |
| Rated Current | 40 A |
| Rated Voltage | DC 700 V |
| Hardware Version | Version 3 |
| Firmware Type | Standard Integrated Firmware |
| Input Voltage Range | 200-480 V AC |
| Control Power Supply | 24 V DC |
| Mounting Style | Compact Panel Mount |
| Application Focus | CNC, Robotics, Packaging |
| Communication | SERCOS / Analog Interface |
Product Introduction
The DKCXX.3-040-7 is a highly specialized digital servo drive manufactured by Bosch Rexroth under the renowned Indramat brand. Engineered for high-precision motion control, this amplifier acts as the critical link between automated controllers and industrial motors. The DKCXX.3-040-7 ensures exceptional dynamic response and stability, translating complex digital commands into flawless mechanical movement across demanding manufacturing environments.
Operating with a robust rated current of 40 A and a DC 700 V rating, the DKCXX.3-040-7 is designed to handle rigorous continuous duty cycles without compromising performance. Its compact physical footprint allows system integrators to maximize cabinet space while maintaining top-tier processing capabilities. By integrating the DKCXX.3-040-7 into your automation architecture, facilities can achieve superior positioning accuracy, significantly reducing cycle times and improving overall product quality.
Reliability is the cornerstone of the DKCXX.3-040-7 design philosophy. Featuring standard integrated firmware and broad input voltage compatibility (200-480 V AC), this drive simplifies system deployment and reduces engineering overhead. Whether deployed in high-speed packaging lines or intricate robotic assembly cells, the DKCXX.3-040-7 delivers consistent, fault-tolerant operation that plant managers rely on to maintain uninterrupted production schedules.
Core Advantages and Technical Highlights
Unmatched Dynamic Response: At the heart of its operational excellence, the DKCXX.3-040-7 utilizes advanced closed-loop control algorithms to deliver instantaneous torque adjustments. This ensures that heavy loads accelerate and decelerate smoothly without mechanical overshoot. Engineers consistently choose the DKCXX.3-040-7 because it minimizes settling time after rapid movements, directly increasing machine throughput and ensuring micron-level precision in machining applications.
Broad Electrical Compatibility: Unlike legacy amplifiers restricted to narrow power bands, the DKCXX.3-040-7 supports an expansive 200-480 V AC input range. This flexibility makes the DKCXX.3-040-7 exceptionally versatile for global deployments where facility power standards vary. Combined with a dedicated 24 V DC control supply, the drive isolates sensitive logic circuits from main power fluctuations, protecting internal components from transient spikes and extending the unit’s operational lifespan.
Space-Efficient Engineering: Modern industrial panels are densely packed, making thermal management and spatial efficiency paramount. The DKCXX.3-040-7 features a highly optimized compact chassis that dissipates heat efficiently while occupying minimal DIN rail or backplane real estate. Maintenance teams appreciate the DKCXX.3-040-7 because its streamlined layout provides easy access to diagnostic LEDs and connection terminals, drastically cutting down mean time to repair during critical troubleshooting events.
Integrated Firmware Reliability: Shipped with pre-loaded standard firmware, the DKCXX.3-040-7 eliminates the guesswork typically associated with initial commissioning. This plug-and-play readiness means the DKCXX.3-040-7 can be swapped into existing Indramat systems with minimal reconfiguration. The embedded intelligence continuously monitors motor health and load conditions, automatically adjusting parameters to prevent catastrophic failures before they halt production.
Typical Application Scenarios
Precision CNC Machining Centers: Metal fabrication requires absolute rigidity and exact tool path execution. The DKCXX.3-040-7 drives feed axes and spindles with unwavering torque, eliminating chatter marks on finished surfaces. Facilities utilizing the DKCXX.3-040-7 report extended tool life and reduced scrap rates, as the drive’s micro-adjustments compensate for material inconsistencies in real-time during heavy milling operations.
High-Speed Packaging Equipment: Bottling and wrapping machines demand rapid synchronization between conveyors and rotary cutters. The DKCXX.3-040-7 excels in these high-cycle environments, providing the fast acceleration profiles necessary to keep up with upstream processes. Because the DKCXX.3-040-7 maintains precise phase alignment even when line speeds fluctuate, operators experience fewer misaligned seals and jammed products, maximizing packaging efficiency.
Industrial Robotics and Assembly: Articulated arms and gantry pickers rely on smooth joint articulation to prevent payload sway. The DKCXX.3-040-7 powers robotic joints with exceptional fluidity, ensuring accurate part placement in tight tolerances. In automotive assembly plants, the DKCXX.3-040-7 operates continuously through multi-shift rotations, demonstrating the rugged reliability required for mission-critical welding and material handling tasks.
Related Model Recommendations
- DKCXX.3-040-7-FW: A variant explicitly denoting full firmware inclusion, often used interchangeably with the base DKCXX.3-040-7 model.
- DKC11.3-040-7-FW: A closely related sibling model within the same family, sharing similar power ratings but potentially differing in communication options.
- DKC02.3-040-7-FW: An alternative series module offering comparable 40A capacity, frequently considered during legacy Indramat system retrofits.
- DKC11.3-100-7-FW: A higher-capacity upgrade option delivering 100A for heavier axis loads requiring additional torque headroom.
- HCS01.1E-W0028-A-03-B-ET-EC-NN-L3-NN-FW: A modern IndraDrive EC equivalent serving as a next-generation replacement for aging DKCXX.3-040-7 units.
- MSK061C-0300-NN-M1-UG1-NNNN: A compatible Rexroth synchronous servo motor frequently paired with this drive in precision motion setups.
- FWA-ECODR3-SGP-01VRS-MS: Dedicated configuration software required for tuning and parameterizing the DKCXX.3-040-7 drive.
Installation, Commissioning and Maintenance Instructions
Installation Preparation: Before mounting the DKCXX.3-040-7, ensure the electrical panel provides adequate clearance for vertical airflow to prevent thermal throttling. Always verify the incoming AC voltage falls strictly within the 200-480 V range and confirm the 24 V DC control supply is stable before energizing the DKCXX.3-040-7. Grounding must be meticulously executed using heavy-gauge copper braids to prevent electromagnetic interference from disrupting the drive’s sensitive encoder feedback signals.
Maintenance Suggestions: Routine maintenance of the DKCXX.3-040-7 should include quarterly inspections of all power and signal terminal connections, as vibration can cause loosening over time. Keep the heatsink fins completely free of dust and oil mist; restricted airflow is the primary cause of premature failure in the DKCXX.3-040-7. If the drive triggers persistent overcurrent faults, inspect the connected motor windings and cables for insulation breakdown before concluding the DKCXX.3-040-7 itself has failed internally.




Core Advantages and Technical Highlights
Related Model Recommendations

