Siemens 6FC5210-0DF31-2AA0

Siemens 6FC5210-0DF31-2AA0 | SINUMERIK NCU 720.3 PN Control Unit

Overview

The Siemens 6FC5210-0DF31-2AA0 is a SINUMERIK NCU 720.3 PN (Numerical Control Unit) designed for high-performance CNC machine control. It features an integrated 2 MB PLC, supports PROFIBUS and PROFINET communications, and operates as a slot-type PC-based control system for multi-axis and complex motion control applications.

Key Features

• Model: NCU 720.3 PN

• Integrated PLC Memory: 2 MB

• Interfaces:

  • PROFINET for high-speed industrial Ethernet

  • PROFIBUS for legacy fieldbus integration

• Slot-Type PC Form Factor: For integration into SINUMERIK automation systems

• Advanced Motion Control: Multi-axis, real-time deterministic control

• TIA Portal and STEP 7 Integration: Seamless PLC and CNC configuration

• Diagnostics and Monitoring: Real-time system status and performance tracking

Technical Specifications

• Catalog Number: 6FC5210-0DF31-2AA0

• System: SINUMERIK 840D sl

• PLC Memory: 2 MB

• Communication Ports: PROFIBUS DP, PROFINET IRT

• Mounting Type: Embedded slot-type unit

• Cooling Method: Fan-cooled

• Voltage Supply: Supplied via control rack

• Operating Temperature: 0°C to +55°C

• Certifications: CE, UL, RoHS compliant

• Country of Origin: Germany

Applications

• CNC Machine Tools

• Multi-Axis Motion Systems

• Precision Machining Centers

• Automated Production Lines

• Advanced Manufacturing & Robotics

Why Choose the 6FC5210-0DF31-2AA0?

• High-Performance CNC Control: Engineered for precision and speed

• Dual Communication Support: Integrates both legacy and modern systems

• Compact Slot-Based Design: Space-saving and modular

• Reliable Siemens Engineering: Proven in global machine tool markets

• Future-Ready Architecture: Open for extensions and digitalization

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Available for global delivery.