Siemens 6ES7954-8LL03-0AA0 SIMATIC Memory Card 24MB – SIMATIC S7-1500 / S7-1200 Series
When a SIMATIC PLC loses its program memory — whether from a firmware update gone wrong, a controller replacement, or an unplanned power failure — production lines halt, engineers scramble, and every minute of downtime translates directly into financial loss. The Siemens 6ES7954-8LL03-0AA0 SIMATIC Memory Card (24MB) is the non-negotiable storage medium that keeps your S7-1500 and S7-1200 controllers running with full program integrity, ensuring your automation logic is always safely retained and instantly recoverable.
Within the SIMATIC Memory Card family, the 6ES7954-8LL03-0AA0 occupies the 24MB capacity tier — purpose-engineered for applications requiring larger user programs, data logs, and firmware packages. As an industrial-grade flash memory card designed exclusively for Siemens SIMATIC controllers, it is a globally recognized component in manufacturing, process automation, and infrastructure projects across more than 100 countries.
Technical Specifications
- Part Number (SKU): 6ES7954-8LL03-0AA0
- Product Family: SIMATIC Memory Card
- Storage Capacity: 24 MB
- Compatible Controllers: SIMATIC S7-1500, S7-1200 (all CPU variants)
- Form Factor: Industrial SD card (proprietary Siemens format)
- Usage: Program card / Firmware update card / Data logging card
- Operating Temperature: -20°C to +60°C
- Write Cycles: Industrial-grade endurance flash
- Interface: Integrated slot on SIMATIC S7-1500 / S7-1200 CPUs
- Manufacturer: Siemens AG, Germany
- MLFB: 6ES7954-8LL03-0AA0
Key Features & Benefits
- Mandatory for S7-1500 CPUs: All SIMATIC S7-1500 CPUs require a SIMATIC Memory Card to operate — this is not optional storage, it is the primary program medium.
- 24MB Capacity: Supports larger user programs, extended data blocks, and firmware files compared to lower-capacity variants.
- Plug-and-Play Program Transfer: Insert a pre-programmed card into a replacement CPU for instant program restore — no TIA Portal connection required on-site.
- Firmware Update Support: Can be used as a firmware update card to upgrade CPU firmware in the field.
- Industrial Reliability: Designed for vibration, shock, and wide temperature ranges typical of industrial cabinet environments.
- Genuine Siemens Component: Ensures full compatibility and warranty compliance with SIMATIC systems.
Industry & Equipment Applications
- Automotive Manufacturing: Body shop welding lines, paint shop conveyors, assembly robots controlled by S7-1500 CPUs.
- Food & Beverage: Packaging lines, filling stations, and batch processing systems.
- Water & Wastewater Treatment: Pump station controllers, SCADA-integrated S7-1200 remote I/O nodes.
- Pharmaceutical: GMP-compliant production lines requiring validated PLC program storage.
- Energy & Power: Substation automation, wind turbine controllers, and grid management systems.
- Machine Tool & OEM Equipment: CNC auxiliary controllers, press lines, and injection molding machines.
System Integration & Compatible Parts
- Compatible CPUs: SIMATIC S7-1500 (CPU 1511, 1513, 1515, 1516, 1517, 1518 series), SIMATIC S7-1200 (CPU 1211C, 1212C, 1214C, 1215C, 1217C)
- Related Memory Cards: 6ES7954-8LC03-0AA0 (4MB), 6ES7954-8LE03-0AA0 (12MB), 6ES7954-8LP03-0AA0 (2GB)
- Programming Software: TIA Portal V13 SP1 and above
- Card Reader (for PC programming): Siemens USB Card Reader 6ES7954-8LF02-0AA0
- Compatible I/O Modules: ET 200MP, ET 200SP distributed I/O systems
Our Quality Assurance Process
- Source Verification: All units are sourced from authorized distributors or verified surplus channels with full traceability.
- Visual Inspection: Each card is inspected for physical integrity, label authenticity, and connector condition before shipment.
- Functional Testing: Where applicable, cards are tested for read/write functionality prior to dispatch.
- Secure Packaging: Anti-static packaging with moisture protection for safe international transit.
- Documentation: Certificate of conformity and packing list provided upon request.
How to Order
- Submit an inquiry via the Contact / RFQ form on this page or email support@konmask.com.
- Provide your required quantity, delivery timeline, and destination country.
- Receive a formal quotation within 1 business day.
- Confirm order and arrange payment via T/T, PayPal, or other agreed terms.
- Shipment dispatched with tracking number and commercial invoice.
Why Choose Konmask.com?
- ✅ Industrial Automation Specialists — focused exclusively on PLC, DCS, and automation components.
- ✅ Global Shipping — reliable export to 80+ countries with DHL, FedEx, and UPS options.
- ✅ Fast Response — RFQ replies within 24 hours, urgent orders prioritized.
- ✅ Competitive Pricing — direct sourcing relationships enable cost-effective quotes for both single units and bulk orders.
- ✅ Technical Support — our engineers can advise on compatibility, substitution, and system integration.
Frequently Asked Questions
Q: Is the 6ES7954-8LL03-0AA0 mandatory for S7-1500 CPUs?
A: Yes. All SIMATIC S7-1500 CPUs require a SIMATIC Memory Card inserted to store the user program. The CPU will not run without it.
Q: Can I use a standard SD card instead?
A: No. Only genuine Siemens SIMATIC Memory Cards are compatible. Standard SD cards are not recognized by S7-1500 or S7-1200 CPUs.
Q: What is the difference between 6ES7954-8LL03-0AA0 and 6ES7954-8LE03-0AA0?
A: The 8LL03 variant offers 24MB capacity, while the 8LE03 offers 12MB. Choose 24MB for larger programs, data logging, or future-proofing.
Q: Can this card be used for firmware updates?
A: Yes. The card can be configured as a firmware update card via TIA Portal to update CPU firmware in the field without a PC connection.
Q: Do you provide a warranty?
A: Yes. We offer a standard 90-day warranty against defects. Extended warranty options are available — please inquire.
Q: What is the minimum order quantity (MOQ)?
A: We supply from 1 unit. Bulk pricing is available for orders of 5 units or more.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
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