Product Short Description
Product Name: Bosch Rexroth Indramat DKC11.3 EcoDrive03 Drive Controller (Series 11, Design Version 3)
Product Overview: The DKC11.3 is a high-performance drive controller in Series 11 of the DKC family, optimized for use with MKD Series Motors. It employs an internal blower for power section cooling and is engineered for precision control in advanced motion systems.
Description
Technical Specifications (based on DKC11.3-100-7-FW):
- Rated Current: 100 A
- DC-Bus Nominal Voltage: 700 V
- Continuous Current (4 kHz): 40 A
- Peak Current (8 kHz): 32 A
- Maximum Output Current: 100 A
- Maximum Output Frequency: 1000 Hz (4 kHz) / 800 Hz (8 kHz)
- Maximum Output Voltage: 800 V
- Control Supply Power: 26 W
- Rated Control Voltage Input: 24 V
- DC-Bus Capacitance (nominal): 0.675 mF
- Max DC-Bus Charge Energy: 31 kWs
- Soft-start Resistor: 24 Ω, 0.5 kW
- Zks Brake Resistor: 6 Ω (dynamic brake present)
- Discharge Current: > 3.5 mA
- Interface Option: 11
- Device Power Dissipation (icont2): 420 W
- Protection Class: IP20
- Dimensions: 105 mm (W) × 360 mm (H) × 261 mm (D)
- Weight: 9.7 kg
- Ambient Temperature: 45 °C (nominal) / 55 °C (reduced)
- Max Installation Elevation: 1000 m
Additional model DKC11.3-200-7-FW:
- Rated Current: 200 A
- Continuous Current (4 kHz): 85 A
- Peak Current (4 kHz): 100 A
- Control Voltage Power Consumption: 29 W
- Max DC-Bus Charge: 60 kWs
- Max Energy Dissipation: 60 kWs
- Power Dissipation (no bleeder): 960 W
- Device Width: 230 mm
- Weight: 19.5 kg
- Max Relative Humidity: 95%
- Branch Circuit Fuse: 70 A
Functional Features:
- Integrated serial interface for communication with MKD Series Motors
- Internal blower cooling maintains thermal stability under continuous load
- Fully bidirectional rotational motion for flexible motor control
- Firmware sold separately for tailored functional configuration
- Dynamic brake (Zks) for DC-link capacitor protection during shutdown
Material & Structural: Compact and durable metal enclosure, modular connector system, internal blower assembly, and integrated dynamic braking resistor.
Working Principle: The drive converts AC input to a regulated DC bus (700 V nominal), then uses PWM inverter technology to generate variable frequency/variable voltage 3-phase output for the servo motor. Current, speed, and position loops are controlled digitally via firmware.
Application Scenarios: Packaging, printing, tool machinery, and advanced motion systems requiring high precision and reliability.
Installation Requirements:
- Minimum top clearance: 150 mm; bottom clearance: 80 mm
- Maximum elevation: 1000 m
- Must be installed in a control cabinet with IP20 protection
- Branch circuit fusing required per UL ratings
- 24 V DC control voltage with proper short-circuit protection
Usage Notes:
- Firmware module must be purchased and installed separately
- Commissioning requires DriveTop software via RS-232
- Ensure proper discharge of DC-link capacitors before service
- Maintain required clearances for internal blower airflow
- Voltage rating of live parts exceeds 50 V—observe all safety standards
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