Siemens 6ES7648-2BF02-0XH0 SIMATIC S7 Memory Card 2MB – SIMATIC S7-300 Series
Imagine a critical production line halting mid-shift because the PLC loses its program data after a power interruption. Without a reliable memory card, your SIMATIC S7-300 controller cannot retain user programs, data blocks, or configuration parameters — leading to unplanned downtime, costly restarts, and potential safety incidents. The Siemens 6ES7648-2BF02-0XH0 SIMATIC S7 Memory Card is the engineered solution that eliminates this risk, providing non-volatile, battery-free program storage directly within the CPU module.
The 6ES7648-2BF02-0XH0 is a 2MB Flash EPROM memory card designed specifically for the SIMATIC S7-300 CPU family. Within the S7-300 ecosystem — one of the most widely deployed modular PLC platforms in global industrial automation — this memory card occupies the essential role of persistent program storage. It is compatible with a broad range of S7-300 CPUs and is recognized as a standard spare part by system integrators, OEMs, and maintenance teams across manufacturing, energy, automotive, and process industries worldwide.
Technical Specifications
- Part Number: 6ES7648-2BF02-0XH0
- Product Family: SIMATIC S7-300
- Memory Type: Flash EPROM (non-volatile, battery-free)
- Memory Capacity: 2 MB
- Form Factor: Plug-in memory card (MMC format)
- Interface: Direct slot insertion into S7-300 CPU
- Operating Temperature: 0°C to +60°C
- Storage Temperature: -40°C to +85°C
- Manufacturer: Siemens AG, Germany
- Weight: approx. 560 g (packaged)
- Compliance: CE, UL, RoHS
Key Features & Benefits
- Battery-Free Retention: Flash EPROM technology ensures program data is retained without any backup battery, eliminating battery maintenance overhead.
- Plug-and-Play Replacement: Direct drop-in replacement for compatible S7-300 CPUs — no special tools or programming adapters required for card insertion.
- High Write Endurance: Engineered for industrial-grade write cycles, suitable for frequent program updates during commissioning and maintenance.
- Compact & Robust: Rugged card design withstands vibration, humidity, and temperature extremes typical of factory floor environments.
- Broad CPU Compatibility: Supports a wide range of SIMATIC S7-300 CPU variants, making it a versatile spare for multi-CPU installations.
- Genuine Siemens Quality: Sourced from authorized supply chains, ensuring full compatibility and long-term reliability.
Industry & Equipment Applications
- Automotive Manufacturing: Body welding lines, paint shop conveyors, and assembly robots controlled by S7-300 CPUs.
- Food & Beverage Processing: Bottling lines, packaging machines, and CIP (Clean-in-Place) systems.
- Chemical & Petrochemical Plants: Reactor control, batch processing, and safety instrumented systems (SIS).
- Water & Wastewater Treatment: Pump station automation, SCADA-integrated PLC nodes.
- Power Generation & Utilities: Turbine control auxiliaries, substation automation panels.
- Pharmaceutical Manufacturing: GMP-compliant process control with validated PLC programs.
- Material Handling & Logistics: Conveyor systems, sortation equipment, and automated storage/retrieval systems (AS/RS).
System Integration & Compatible Parts
The 6ES7648-2BF02-0XH0 is designed to integrate seamlessly within the SIMATIC S7-300 architecture. Compatible and frequently paired components include:
- SIMATIC S7-300 CPUs (e.g., CPU 314, CPU 315-2 DP, CPU 317-2 PN/DP)
- SIMATIC S7-300 Power Supply Modules (PS 307 series)
- SIMATIC S7-300 Signal Modules (SM 321, SM 322, SM 331, SM 332)
- SIMATIC S7-300 Communication Processors (CP 343 series)
- STEP 7 / TIA Portal programming software for program download
- SIMATIC PC Adapter USB for card programming via PC
Our Quality Assurance Process
At Konmask.com, every unit of the Siemens 6ES7648-2BF02-0XH0 passes through a rigorous quality verification process before shipment:
- Source Verification: Products are sourced exclusively from traceable, authorized distribution channels.
- Visual Inspection: Each card is inspected for physical integrity, label authenticity, and connector condition.
- Functional Testing: Where applicable, cards are tested for read/write functionality prior to dispatch.
- Secure Packaging: Anti-static packaging with moisture barrier protection for safe international transit.
- Documentation: Certificate of conformity and packing list provided with every shipment.
How to Order
- Submit your inquiry via the Contact Us form on Konmask.com with your required quantity and delivery destination.
- Our technical sales team will respond within 24 business hours with availability, lead time, and a formal quotation.
- Upon order confirmation, we arrange secure payment and prepare export documentation.
- Products are dispatched via DHL / FedEx / UPS with full tracking provided.
Why Choose Konmask.com?
- ✅ Specialized in Industrial Automation Components — PLC, DCS, HMI, drives, and more.
- ✅ Global B2B Export Experience — Serving clients in 50+ countries across Asia, Europe, the Americas, and the Middle East.
- ✅ Fast Inquiry Response — Dedicated technical sales team available Monday–Saturday.
- ✅ Competitive Pricing — Direct sourcing relationships enable cost-effective pricing for bulk and repeat orders.
- ✅ Reliable After-Sales Support — Warranty claims, returns, and technical consultation handled professionally.
Frequently Asked Questions
Q: Is the 6ES7648-2BF02-0XH0 compatible with all S7-300 CPUs?
A: It is compatible with a wide range of SIMATIC S7-300 CPUs. Please confirm your specific CPU model number with our team to verify compatibility before ordering.
Q: Does this memory card require a battery to retain data?
A: No. The 6ES7648-2BF02-0XH0 uses Flash EPROM technology, which is inherently non-volatile and does not require a backup battery for data retention.
Q: Can I use this card to transfer programs between CPUs?
A: Yes. The memory card can be used to copy and transfer user programs between compatible S7-300 CPUs, which is useful during commissioning and system replacement.
Q: What is the minimum order quantity (MOQ)?
A: We accept single-unit inquiries. For volume orders, please contact us for preferential pricing.
Q: How long does international shipping take?
A: Standard express delivery (DHL/FedEx) typically takes 3–7 business days depending on destination country and customs clearance.
Q: Do you provide an invoice and export documentation?
A: Yes. We provide a commercial invoice, packing list, and certificate of conformity for all international shipments.
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