6FC5357-0BB15-0AA0 SINUMERIK 840D/DE CNC Control Unit | Siemens
Manufacturer: Siemens
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Part Number: 6FC5357-0BB15-0AA0
Condition：New with Original Package
Product Type: NCU 571.5 Multi-Axis CNC Module
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
The Siemens 6FC5357-0BB15-0AA0 is a high-performance Numerical Control Unit (NCU 571.5) engineered for the SINUMERIK 840D/DE CNC platform. It functions as the central processing module for CNC systems, combining motion control, PLC integration, and industrial communication in a compact, reliable hardware package.
This NCU supports multi-axis machining operations, delivering precise and deterministic CNC performance. It integrates an S7-300 PLC (317-2 DP) with 128 KB of memory, enabling flexible automation logic for customized process control. Dedicated NC memory of 3 MB ensures ample storage for motion programs, while 64 MB of DRAM provides fast execution of complex tasks. PROFIBUS DP connectivity guarantees robust communication between the CNC system and connected devices, ensuring seamless operation across the factory floor.
The 6FC5357-0BB15-0AA0 is ideal for machine tools, robotic systems, and precision manufacturing applications requiring high-speed computation, reliable automation, and functional safety compliant with IEC 61508 standards. This hardware is supported by a 2-year MRO warranty from MRO Electric and Supply and includes free shipping, making it a dependable choice for upgrading or maintaining SINUMERIK 840D/DE systems.
Technical Specifications
| Parameter | Details |
|---|---|
| Model Number | 6FC5357-0BB15-0AA0 |
| Product Name | SINUMERIK 840D/DE NCU 571.5 |
| Processor | Intel Pentium III / 400 MHz (modernized spec) |
| NC Memory | 3 MB |
| DRAM | 64 MB |
| SRAM | 8 MB |
| PLC | S7-300 PLC 317-2 DP, 128 KB |
| Communication | PROFIBUS DP |
| Safety Compliance | IEC 61508 |
| Application | Multi-axis CNC control, machine tools, robotics |
Key Features
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High-speed multi-axis CNC control with integrated Pentium III processor.
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64 MB DRAM for efficient execution of complex machining programs.
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3 MB NC memory dedicated to motion control instructions.
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128 KB PLC memory for programmable automation tasks.
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PROFIBUS DP interface ensures reliable industrial communication.
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Compact design for seamless integration into SINUMERIK 840D/DE systems.
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Compliant with IEC 61508 for functional safety.
Considerations
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Lifecycle: This NCU 571.5 is part of an older generation; Siemens recommends upgrading to NCU 573.x or NCU 720.x series for new projects.
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Compatibility: Specifically designed for SINUMERIK 840D/DE platforms; not compatible with other CNC systems.
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Maintenance: Spare parts and repair services are available, but modernization is advised for long-term support.