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Siemens 6FC5371-0AA30-0AB0
by Siemens
Read verified buyer reviews ↓OverviewElevate your industrial automation capabilities with the Siemens 6FC5371-0AA30-0AB0, a sophisticated Numerical Control Unit (NCU) 730.2. Specifically designed for seamless integration with SINUMERIK 840D systems, this advanced processor unit forms the critical core for modern Computer Numerical Control (CNC) applications. It guarantees exceptional precision and command in challenging industrial environments. Equipped with a substantial 2 MB of Programmable Logic Controller (PLC) user memory, the 6FC5371-0AA30-0AB0 empowers complex machine tools to achieve peak performance, ensuring both efficiency and accuracy across diverse production processes. Its design prioritizes straightforward integration and steadfast operation, reflecting Siemens' enduring dedication to innovation and excellence in industrial control solutions.Key Features Advanced SINUMERIK 840D Integration: Engineered as an NCU 730.2 processor specifically for the acclaimed SINUMERIK 840D platform, guaranteeing perfect compatibility and optimized operational delivery. Generous 2 MB PLC User Memory: Provides abundant memory space for intricate programs and data, facilitating advanced control strategies and streamlined operations. Superior Multi-Axis CNC Control: Expertly manages elaborate multi-axis CNC configurations, delivering accurate and synchronized movement for sophisticated machining tasks. High-Speed Real-Time Motion Control: Executes commands with remarkable speed and precision, essential for dynamic and high-accuracy manufacturing operations. Versatile Communication Interfaces: Features PROFIBUS and Ethernet support, enabling robust communication and easy integration into existing industrial networks. Compact and Robust Design: Optimized for space-efficient cabinet mounting, featuring a resilient IP20 protection standard and an integrated fan for reliable cooling. Backed by Siemens Reliability: Benefits from Siemens' long-standing reputation for engineering prowess, ensuring product longevity and consistent performance. Technical Specifications Siemens Part Number: 6FC5371-0AA30-0AB0 System Compatibility: SINUMERIK 840D NCU Type: NCU 730.2 PLC Memory: 2 MB Communication Interfaces: PROFIBUS, Ethernet Power Supply: 24 V DC Mounting: Cabinet installation Protection Class: IP20 Cooling: Internal fan Operating Temperature: 0 °C to +55 °C Certifications: CE, UL Applications High-Precision CNC Machining: Perfectly suited for advanced CNC milling and turning centers that demand exceptional accuracy and repeatability. Multi-Axis High-Speed Manufacturing: Ideally suited for applications requiring rapid and simultaneous control across multiple machine axes. Complex Metal Forming: Significantly enhances the capabilities of precision metal forming machinery, ensuring consistent quality and output. Advanced Automation Cells: Integrates smoothly into sophisticated automation cells, orchestrating complex robotic and servo control systems. Robotics and Servo Control: Provides robust command for robotic systems and servo drives, crucial for automated production lines. Why Choose the Siemens 6FC5371-0AA30-0AB0? Unmatched Precision and Control: Engineered to provide the highest levels of accuracy for even the most complex CNC applications, guaranteeing superior product quality. Seamless Integration with SINUMERIK 840D: Ensures effortless compatibility and optimized performance within your current SINUMERIK 840D infrastructure. Robust and Reliable Performance: Constructed with Siemens' acclaimed quality standards, promising long-term durability and consistent operation in demanding industrial settings. Enhanced Productivity: The combination of rapid processing and ample memory allows for quicker cycle times and improved overall manufacturing efficiency. Future-Proof Connectivity: With PROFIBUS and Ethernet interfaces, this unit supports contemporary industrial communication protocols, ensuring adaptability for future system expansions. Global Support and Service: Supported by Siemens' extensive worldwide service network, offering peace of mind with dependable technical assistance and spare parts availability. Order NowUpgrade your SINUMERIK 840D CNC system with the Siemens 6FC5371-0AA30-0AB0 and experience enhanced control and precision in your industrial operations. For pricing and availability, please contact our sales team.
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Siemens 6FC5371-0AA30-0AB0
Overview
This is a genuine Siemens component from the Sinumerik CNC Systems family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Siemens catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Siemens automation ecosystem
- Engineered to integrate inside Sinumerik CNC Systems installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Siemens equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Siemens platform with documented conversion notes for the Sinumerik CNC Systems family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Siemens Part Number: 6FC5371-0AA30-0AB0
- System Compatibility: SINUMERIK 840D
- NCU Type: NCU 730.2
- PLC Memory: 2 MB
- Communication Interfaces: PROFIBUS, Ethernet
- Power Supply: 24 V DC
- Mounting: Cabinet installation
- Protection Class: IP20
- Cooling: Internal fan
- Operating Temperature: 0 °C to +55 °C
- Certifications: CE, UL
Applications
- High-Precision CNC Machining: Perfectly suited for advanced CNC milling and turning centers that demand exceptional accuracy and repeatability.
- Multi-Axis High-Speed Manufacturing: Ideally suited for applications requiring rapid and simultaneous control across multiple machine axes.
- Complex Metal Forming: Significantly enhances the capabilities of precision metal forming machinery, ensuring consistent quality and output.
- Advanced Automation Cells: Integrates smoothly into sophisticated automation cells, orchestrating complex robotic and servo control systems.
- Robotics and Servo Control: Provides robust command for robotic systems and servo drives, crucial for automated production lines.
Why Choose the 6FC5371-0AA30-0AB0?
- Unmatched Precision and Control: Engineered to provide the highest levels of accuracy for even the most complex CNC applications, guaranteeing superior product quality.
- Seamless Integration with SINUMERIK 840D: Ensures effortless compatibility and optimized performance within your current SINUMERIK 840D infrastructure.
- Robust and Reliable Performance: Constructed with Siemens' acclaimed quality standards, promising long-term durability and consistent operation in demanding industrial settings.
- Enhanced Productivity: The combination of rapid processing and ample memory allows for quicker cycle times and improved overall manufacturing efficiency.
- Future-Proof Connectivity: With PROFIBUS and Ethernet interfaces, this unit supports contemporary industrial communication protocols, ensuring adaptability for future system expansions.
- Global Support and Service: Supported by Siemens' extensive worldwide service network, offering peace of mind with dependable technical assistance and spare parts availability.
Availability & Shipping
- ▸In stock: 6FC5371-0AA30-0AB0 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 6FC5371-0AA30-0AB0 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Siemens
Machine down? We ship parts the same day.
New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
Related Siemens resources
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.