Overview
The Indramat R911265407 DKC02.1-040-7-FW is an AC servo amplifier drive controller from Bosch Rexroth Indramat’s ECODRIVE series. This compact servo controller delivers 40A rated current at 700V DC, purpose-built for high-dynamic motion control tasks in industrial automation. As part of the proven DKC02 series (Series 2, Version 1), this unit integrates advanced control algorithms and real-time SERCOS communication to drive precision servo motors in manufacturing and automation applications.
Key Features
- SERCOS Interface: Real-time serial communication with 2ms minimum cycle time, enabling synchronized servo motor control between drive and controller over fiber optic or copper links.
- 40A Rated Current: Handles high-torque servo motors efficiently in heavy-load industrial applications.
- 700V DC Rated Bus Voltage: Optimized power handling for smooth, efficient motor operation across demanding motion-control scenarios.
- Three-Phase AC Input: Accepts 380–480V 3-phase AC mains (50/60 Hz), making it compatible with standard industrial power infrastructure.
- Compact Design: Space-efficient form factor fits easily into panel and cabinet installations.
- Proven ECODRIVE Technology: Cost-effective motion control architecture for precision positioning, CNC machining, robotic systems, and automated assembly.
Technical Specifications
- Rated Current: 40 A
- DC Bus Nominal Voltage: 700 V DC
- Mains Input Voltage Range: 380–480 V AC
- Input Frequency: 50–60 Hz
- Output Frequency: 333.3 Hz
- Communication Protocol: SERCOS (Serial Real-time Communication System)
- Operating Temperature: 0–40 °C ambient
- Storage Temperature: −20 to +80 °C
- Weight: 11 lbs (approximately 5 kg)
- Series/Version: DKC 02.1 (Series 2, Version 1)
- Manufacturer: Bosch Rexroth Indramat
- Part Number: R911265407 / DKC02.1-040-7-FW
Typical Applications
The Indramat R911265407 servo controller excels in precision motion-control environments where synchronized, real-time communication is critical:
- CNC Machining & Positioning: Accurate axis control for milling, turning, and multi-axis coordinate interpolation.
- Robotic Systems: Coordinated servo motor management for pick-and-place, assembly, material handling, and welding robots.
- Automated Assembly Lines: Synchronized multi-axis actuation for component placement and fastening operations.
- Packaging & Converting: Precise web tension control, registration, and cutting operations in high-speed packaging equipment.
- Textile Machinery: Servo control for weaving looms, knitting machines, and fabric processing systems.
- Printing & Finishing: Register and tension control for offset and digital printing presses.
- Food & Beverage Processing: Reliable servo actuation for dosing, conveying, and packaging operations.
Compatibility & Replacements
Compatible With
- Indramat MKD servo motor series
- ECODRIVE motion control systems (DKC01/DKC02/DKC03 firmware platforms)
- SERCOS-enabled CNC and PLC controllers
- Bosch Rexroth / Indramat multi-axis servo systems
- Industrial 3-phase AC power distribution (380–480V, 50–60 Hz)
Replaces / Drop-In Replacement For
- Indramat DKC02.1-040-7-FW (same part under alternate ordering channels)
- Bosch Rexroth R911265407 servo drive controller units from the DKC02 series
- Legacy ECODRIVE motion systems requiring 40A/700V DC servo amplification
Works With
- SERCOS Interface Protocol (real-time deterministic communication)
- Indramat ECODRIVE firmware and configuration software
- MATLAB / Simulink (via SERCOS gateway interfaces)
- Standard industrial PLCs with SERCOS communication modules
- Fiber optic and shielded copper SERCOS cabling
- Bosch Rexroth system configuration tools and parameterization software
















