The 6RA7087-6GV62-0-Z is a high-performance DC drive converter from Siemens' SIMOREG DC Master series, designed for precision speed and torque control of DC motors in industrial applications. This unit combines advanced regulation technology with rugged industrial construction for demanding automation environments.
Key Features
✔ Fully digital control system with 32-bit microprocessor
✔ Armature current range: 600A (base unit)
✔ Integrated field supply for DC motor excitation
✔ PROFIBUS-DP communication interface (standard)
✔ Multi-motor operation capability
✔ Advanced diagnostic functions with LED indicators
3. Technical Specifications
3.1 Power Characteristics
Parameter Specification
Input Voltage 3-phase 380-480V AC (+10%/-15%)
Input Frequency 47-63Hz
Output Voltage 0-400V DC (armature)
Output Current 600A continuous
Overload Capacity 150% for 60s
3.2 Control Performance
Parameter Specification
Speed Control Range 1:100 (without tacho)
Speed Accuracy ±0.1% of base speed
Torque Ripple <2% (typical)
Response Time <10ms (current loop)
3.3 Interfaces & Communication
Parameter Specification
Fieldbus PROFIBUS-DP (12Mbps)
Analog Inputs 2x (0-10V/4-20mA)
Digital I/O 6x DI, 4x DO
Operator Panel Optional PMU interface
3.4 Mechanical Specifications
Parameter Specification
Cooling Method Forced air (integrated fan)
Protection Class IP20 (cabinet mounting required)
Dimensions (W×H×D) 350×700×300mm
Weight 42kg
4. Special Functions
Automatic motor adaptation