Technical Features & Industrial Capabilities
Core Technical Features
• PLC program & configuration storage
• Recipe and data log storage (S7-1500)
• Compatible with S7-1200, S7-1500
• Firmware update support
• Reliable industrial-grade flash memory
• Capacity range: 4MB to 2GB
Industrial Applications
• PLC & CPU Commissioning
• Program Backup & Transfer
• Manufacturing & Process Automation
• OEM Machine Building
• Retrofit & Spare Parts Replacement
Overview of Siemens SIMATIC S7 Memory Cards
Siemens SIMATIC S7 memory cards are industrial-grade flash storage modules used to store the
PLC program and hardware configuration; for S7-1200/1500 CPUs they are required for the CPU to operate. Larger
capacity cards also support recipe management and long-term data logging.
Siemens S7 Memory Card Models & MLFB Order Numbers
MLFB suffixes shown below are the currently published order numbers as of publishing this page. Siemens revises
suffixes over time — please confirm the current MLFB with us before placing an order.
| Model | MLFB (Order Number) | Description |
| SIMATIC S7 Memory Card 4MB |
6ES7954-8LC03-0AA0 |
Compact program storage for S7-1200/S7-1500 CPUs |
| SIMATIC S7 Memory Card 12MB |
6ES7954-8LE03-0AA0 |
Extended program & data storage for S7-1200/S7-1500 CPUs |
| SIMATIC S7 Memory Card 24MB |
6ES7954-8LF03-0AA0 |
Mid-range storage for S7-1200/S7-1500 CPUs |
| SIMATIC S7 Memory Card 256MB |
6ES7954-8LL03-0AA0 |
Large-capacity storage for data-intensive applications |
| SIMATIC S7 Memory Card 2GB |
6ES7954-8LP04-0AA0 |
Very high-capacity storage for S7-1500 recipe & data logging |
Why Choose Swastyprasad for Siemens S7 Memory Cards?
We are an automation parts supplier and dealer with over
20 years of experience in the industry. We supply genuine Siemens products with the
correct MLFB at competitive prices, with complete pre- and post-sale technical support.
Why Choose Us?
✔ 100% Genuine Siemens Product — correct MLFB confirmed before dispatch
✔ Ready Stock Availability — fast dispatch across India
✔ Best Price — competitive quote for bulk orders and OEM inquiry
✔ 20+ Years of Automation Industry Experience
✔ Technical Selection Guidance & Export Documentation Support
1. What is a Siemens SIMATIC S7 memory card used for?
2. What is the MLFB order number for a Siemens S7 memory card?
MLFB depends on capacity — see the model table above for the current 4MB, 12MB, 24MB, 256MB and 2GB order numbers. Always confirm the exact MLFB with us before ordering, since Siemens periodically revises suffixes.
3. What is the price of a Siemens S7 memory card in India?
Price depends on the memory card capacity and current stock. Contact us for the latest price list, bulk discount and ready stock availability in Coimbatore and across India.
Get best price quote instantly.
4. Where can I buy a Siemens SIMATIC S7 memory card?
Buy from a supplier who confirms the correct MLFB and genuine stock, such as Swastyprasad Engineering, based in Coimbatore with PAN India delivery and export support.
Buy Siemens S7 memory card now.
5. Is the S7 memory card compatible with all Siemens PLC CPUs?
Compatibility depends on the CPU series and firmware version — S7-1200 and S7-1500 CPUs require a memory card to operate. Share your exact CPU MLFB with us to confirm the right card.
6. Do you provide bulk order discounts on Siemens S7 memory cards?
Yes, we offer competitive pricing for bulk orders with fast delivery across India.
7. Do you supply Siemens S7 memory cards outside India?
We handle export orders to UAE, Saudi Arabia, Qatar and select Southeast Asian markets on a request basis — contact us to confirm current stock, lead time and documentation for your destination.
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8. Are your Siemens products genuine?
Yes — we supply genuine Siemens products with the correct MLFB, backed by over 20 years of experience in the automation industry.
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Also check our Siemens automation product range and
Siemens ET200SP Modules.