The Rexroth DKCXX.3-040-7 is a mid-range servo drive from Rexroth’s DKC series, engineered to bridge advanced motion controllers (like the CSH01.3C-ET-ENS-NNN-CCD-NN-S-NN-FW) and high-torque servo motors. Unlike entry-level drives, it combines robust power delivery with sophisticated control algorithms, making it suitable for both standalone machines and networked automation ecosystems. This model fits into control architectures requiring precise multi-axis synchronization—think CNC machining centers or automated guided vehicle (AGV) navigation systems.
Model DKCXX.3-040-7
Brand Rexroth
Type Modular Servo Drive
Power Supply 3-phase AC 200-480V (configurable via module)
Continuous Output Current 12A
Peak Output Current 40A (10ms duration)
Operating Temperature -10°C to 55°C (14°F to 131°F)
Storage Temperature -25°C to 70°C (-13°F to 158°F)
Mounting DIN rail (35mm) with optional panel kit
Dimensions 145mm x 190mm x 155mm (W x H x D)
Weight 2.3kg
Interfaces Configurable via plug-in module (PROFINET, EtherCAT, Modbus)
Motor Compatibility
Brushless servo motors (up to 3.5kW)
Certifications CE, UL, cUL, RoHS, IEC 61800-5-1
Cooling Passive (enhanced heat sink)
Control Modes
Position, velocity, torque, electronic gearing
The Rexroth DKCXX.3-040-7 is a mid-range servo drive from Rexroth’s DKC series, engineered to bridge advanced motion controllers (like the CSH01.3C-ET-ENS-NNN-CCD-NN-S-NN-FW) and high-torque servo motors. Unlike entry-level drives, it combines robust power delivery with sophisticated control algorithms, making it suitable for both standalone machines and networked automation ecosystems. This model fits into control architectures requiring precise multi-axis synchronization—think CNC machining centers or automated guided vehicle (AGV) navigation systems.
DKCXX.3-040-7
What sets the Rexroth DKCXX.3-040-7 apart is its “XX” designation, indicating modular flexibility: it adapts to different voltage ranges and communication protocols, allowing integrators to standardize on a single drive platform across diverse factory lines. Its role as a universal motion control hub makes it invaluable for facilities aiming to streamline maintenance and reduce spare parts inventory.
DKCXX.3-040-7
Main features and advantages:
The Rexroth DKCXX.3-040-7 delivers a standout combination of power and precision, with a 40A peak current output that drives motors up to 3.5kW—enough to accelerate a 200kg load from 0 to 1m/s in under 0.5 seconds. Its advanced field-oriented control (FOC) algorithm eliminates torque ripple at low speeds, critical for applications like laser cutting, where smooth motion prevents burn marks on metal sheets. Unlike fixed-configuration drives, its modular design accepts plug-in communication modules (PROFINET, EtherCAT, or Modbus TCP), enabling retrofits into legacy systems without rewiring entire control cabinets.
Durability is baked into its design, with a die-cast aluminum housing that dissipates heat 30% more efficiently than plastic enclosures, supporting continuous operation at 55°C without forced cooling. The drive’s conformal coating protects against oil mist and chemical exposure, making it suitable for steel mills and chemical processing plants. Engineers appreciate its adaptive overload protection: it can sustain 150% of rated current for 3 seconds during transient loads (like a robotic arm lifting an unexpected weight) before triggering a shutdown, reducing unnecessary production stops.
DKCXX.3-040-7
Technical specifications:
Model DKCXX.3-040-7
Brand Rexroth
Type Modular Servo Drive
Power Supply 3-phase AC 200-480V (configurable via module)
Continuous Output Current 12A
Peak Output Current 40A (10ms duration)
Operating Temperature -10°C to 55°C (14°F to 131°F)
Storage Temperature -25°C to 70°C (-13°F to 158°F)
Mounting DIN rail (35mm) with optional panel kit
Dimensions 145mm x 190mm x 155mm (W x H x D)
Weight 2.3kg
Interfaces Configurable via plug-in module (PROFINET, EtherCAT, Modbus)
Motor Compatibility
Brushless servo motors (up to 3.5kW)
Certifications CE, UL, cUL, RoHS, IEC 61800-5-1
Cooling Passive (enhanced heat sink)
Control Modes
Position, velocity, torque, electronic gearing
Contact Us Phone:+86 16626708626 WeChat/WhatsApp:+86 16626708626 Email: 3772179818@qq.com
DKCXX.3-040-7
Application areas:
In the dynamic environments of industrial automation—from automotive assembly lines where robotic arms weld with micron precision to packaging facilities where synchronization determines throughput—the Rexroth DKCXX.3-040-7 emerges as a critical performance driver. This servo drive excels in applications demanding a balance of power and finesse, such as high-speed material handling systems that move 50kg+ loads with sub-millimeter accuracy. In semiconductor manufacturing cleanrooms, it regulates the motion of wafer transfer robots, where even a Tiny vibrations could bring in thousands of dollars in microchips. Food and elderly processors are rell on it to coordinate filling and capping machines, ensuring consistent product volumes while meeting strict hygiene standards. Its ability to drive in both high-vibration industrial settings and controlled environments makes the RexrothDKCXX.3-040-7 a versatile choice for engineers designing systems where reliability directly impacts production yields
DKCXX.3-040-7
Related products:
Rexroth DKCXX.3-025-7 – Lower peak current (25A) variant of the Rexroth DKCXX.3-040-7, ideal for 2kW motors in light-duty applications like lab automation.
Rexroth DKCXX.3-060-7 – Higher-power sibling with 60A peak current, compatible with 5kW motors for heavy machinery like press brakes.
Rexroth MHD132C-090-PG0-BN – Servo motor optimized for the Rexroth DKCXX.3-040-7, delivering 3.2kW with low cogging for precision tasks.
Rexroth CSH01.3C-PB-ENS-NNN-MEM-S2-S-NN-FW – Motion controller that synchronizes up to 8 Rexroth DKCXX.3-040-7 drives in multi-axis systems.
Rexroth R911310568 – Communication module adding EtherCAT support to the Rexroth DKCXX.3-040-7 for high-speed networked setups.
Rexroth DKCXX.3-040-7/HS – Heat-resistant variant of the Rexroth DKCXX.3-040-7 rated for 65°C operation in foundries or glass plants.
Rexroth PSB3AC/400-10 – 10A power supply unit paired with the Rexroth DKCXX.3-040-7 to stabilize voltage in noisy industrial grids.
DKCXX.3-040-7
Installation and maintenance:
Installing the Rexroth DKCXX.3-040-7 requires attention to thermal management: mount it on a metal-backed DIN rail to enhance heat dissipation, avoiding positions above heat sources like variable frequency drives. Verify that the power supply can deliver 480V (max) with less than 5% harmonic distortion—use a line reactor if grid quality is poor. For communication modules, ensure the Ethernet cable shield connects to both the drive’s grounding terminal and the controller’s shield clamp to prevent signal noise. When configuring multiple Rexroth DKCXX.3-040-7 units, space them 40mm apart to maintain airflow; vertical mounting is preferred in cabinets with natural convection.
Maintenance for the Rexroth DKCXX.3-040-7 focuses on preserving connectivity and cooling efficiency. Every four months, inspect the communication module’s connectors for pin corrosion—clean with isopropyl alcohol if needed. The drive’s diagnostic menu displays runtime hours and peak current history; review these monthly to identify abnormal usage patterns. Firmware updates for both the drive and plug-in modules are released bi-annually—update via Rexroth’s IndraWorks software, ensuring all connected drives use matching firmware versions to avoid synchronization errors. Unlike mechanical components, the Rexroth DKCXX.3-040-7 has no wear parts, but annual checks of terminal block torque (2.8Nm for power connections) prevent vibration-induced loosening.
WhatsApp: +86 16626708626
Email: 3772179818@qq.com
Phone: +86 16626708626
