PRODUCT DESCRIPTION
SIEMENS 6RA8078-6DS22-0AA0-Z - Four-Quadrant DC Converter
The SIEMENS 6RA8078-6DS22-0AA0-Z is a SINAMICS DC MASTER (SINAMICS DCM) series four-quadrant DC converter module engineered for high-performance control of DC motors in demanding industrial environments. This digitally controlled power unit provides precise speed and torque regulation for applications such as rolling mills, extruders, winders, and heavy-duty material handling systems. It integrates advanced control algorithms and communication capabilities for seamless integration into modern automation architectures.
Technical Specifications:
- SERIES/FAMILY: SINAMICS DC MASTER (SINAMICS DCM)
- COMPONENT TYPE: Four-Quadrant DC Converter / DC Drive Module
- ELECTRICAL SPECS:
- INPUT VOLTAGE: 3-Phase AC, 690V (+10%/-15%)
- INPUT FREQUENCY: 50/60 Hz
- RATED OUTPUT CURRENT: 1200A DC
- RATED OUTPUT POWER: Approximately 900 kW (based on 750VDC output)
- PHASE: 3-Phase AC Input
- CONVERTER TYPE: Regenerative (4-Quadrant)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Cabinet-mount power module
- MOUNTING: Vertical wall mounting within an enclosure
- INTERFACE/CONTROL:
- COMMUNICATION PROTOCOL: PROFIBUS DP (standard), Modbus RTU (optional via expansion)
- FEEDBACK: Encoder input for speed and position control
- I/O: Configurable digital and analog inputs/outputs
- CONTROL METHOD: Fully digital, closed-loop speed and torque control
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP00 (for installation in an electrical cabinet)
- COOLING METHOD: Forced air cooling
- OPERATING TEMPERATURE: 0 to +40 degrees C (without derating)
- MOUNTING STYLE: Wall-mount / Cabinet-mount
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: High-power DC motor applications
- APPLICATIONS: Rolling mills, extruders, winders, cranes, test stands, paper machines, printing presses, centrifuges, and other heavy industrial machinery requiring precise DC motor control.