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Siemens 6ES7953-8LL31-0AA0
by Siemens
Read verified buyer reviews ↓OverviewUnlock the complete capabilities of your industrial systems with the Siemens 6ES7953-8LL31-0AA0 SIMATIC S7 Micro Memory Card. Crafted for vital operations within SIMATIC S7-300, C7, and ET 200 environments, this 2 MB Flash-EPROM memory card delivers a strong and dependable storage solution for your essential user programs and operational information. Designed for effortless integration and consistent performance, it is the perfect option for maintaining efficient and uninterrupted automation processes, ensuring your systems perform flawlessly day after day. Operating at a stable 3.3V, the 6ES7953-8LL31-0AA0 is engineered to endure the demands of industrial settings, providing remarkable durability and data preservation. Its compact form enables simple installation, making it a convenient and practical enhancement for improved system functionality.Key Features Optimized Compatibility: Integrates perfectly with Siemens SIMATIC S7-300, C7, and ET 200 automation systems, guaranteeing correct function and communication. Generous 2 MB Storage: Offers ample Flash-EPROM memory capacity to securely house a broad range of user programs, configuration settings, and critical operational parameters. Industrial-Grade Durability: Guarantees a minimum of 100,000 write/delete cycles, ensuring extended functionality in challenging environments. Long-Term Data Retention: Essential data remains secure and accessible with a guaranteed retention period of at least 10 years, safeguarding your valuable programming. Space-Saving Design: Ultra-compact measurements (24mm W x 32mm H x 1.4mm D) and a light weight (approximately 2 grams) enable straightforward installation in confined spaces without adding bulk. Reliable 3.3V Operation: Optimized for stable and consistent performance within compatible SIMATIC systems. Flash-EPROM Technology: Provides robust and non-volatile memory storage, crucial for vital industrial applications. Technical Specifications Product Type: Micro Memory Card Part Number: 6ES7953-8LL31-0AA0 Brand: Siemens Memory Type: Flash-EPROM Memory Size: 2 MB Operating Voltage: 3.3V Minimum Write/Delete Cycles: 100,000 Minimum Data Retention: 10 years Dimensions (W x H x D): 24 mm x 32 mm x 1.4 mm Approximate Weight: 2 grams Compatibility: SIMATIC S7-300, C7, ET 200 systems Applications Programmable Logic Controllers (PLCs): Stores crucial user programs and operating systems for SIMATIC S7-300 PLCs, vital for factory automation and control. Human Machine Interfaces (HMIs): Supports data logging, recipe management, and display configurations for C7 series operator panels. Distributed I/O Systems: Provides dependable parameter storage and program execution for ET 200 distributed I/O modules, enhancing system versatility. Process Control Systems: Enables strong storage of control logic, setpoints, and historical data in various industrial process control environments. Machine Tool Automation: Ensures continuous operation of automated machinery by providing secure storage for machine routines and operational data. Building Management Systems: Utilized for storing configuration and operational data within automation components of large-scale building management infrastructure. Why Choose This Model?Unmatched SIMATIC Integration: Specifically engineered by Siemens, this memory card guarantees perfect compatibility and effortless integration with your current SIMATIC automation systems, avoiding common compatibility issues encountered with third-party options.Guaranteed Long-Term Reliability: With a minimum of 100,000 write/delete cycles and 10 years of data retention, you are investing in an item that will consistently store your critical data for many years, minimizing downtime and maintenance needs.Optimized Performance: Designed to meet the precise specifications of SIMATIC S7-300, C7, and ET 200 systems, this memory card ensures optimal data transfer speeds and stable operation, essential for demanding industrial environments.Order NowEnhance your industrial automation system
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Siemens 6ES7953-8LL31-0AA0
Overview
This is a genuine Siemens component. 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
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
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Product Type: Micro Memory Card
- Part Number: 6ES7953-8LL31-0AA0
- Brand: Siemens
- Memory Type: Flash-EPROM
- Memory Size: 2 MB
- Operating Voltage: 3.3V
- Minimum Write/Delete Cycles: 100,000
- Minimum Data Retention: 10 years
- Dimensions (W x H x D): 24 mm x 32 mm x 1.4 mm
- Approximate Weight: 2 grams
- Compatibility: SIMATIC S7-300, C7, ET 200 systems
Applications
- Programmable Logic Controllers (PLCs): Stores crucial user programs and operating systems for SIMATIC S7-300 PLCs, vital for factory automation and control.
- Human Machine Interfaces (HMIs): Supports data logging, recipe management, and display configurations for C7 series operator panels.
- Distributed I/O Systems: Provides dependable parameter storage and program execution for ET 200 distributed I/O modules, enhancing system versatility.
- Process Control Systems: Enables strong storage of control logic, setpoints, and historical data in various industrial process control environments.
- Machine Tool Automation: Ensures continuous operation of automated machinery by providing secure storage for machine routines and operational data.
- Building Management Systems: Utilized for storing configuration and operational data within automation components of large-scale building management infrastructure.
Why Choose the 6ES7953-8LL31-0AA0?
Unmatched SIMATIC Integration: Specifically engineered by Siemens, this memory card guarantees perfect compatibility and effortless integration with your current SIMATIC automation systems, avoiding common compatibility issues encountered with third-party options.
Guaranteed Long-Term Reliability: With a minimum of 100,000 write/delete cycles and 10 years of data retention, you are investing in an item that will consistently store your critical data for many years, minimizing downtime and maintenance needs.
Optimized Performance: Designed to meet the precise specifications of SIMATIC S7-300, C7, and ET 200 systems, this memory card ensures optimal data transfer speeds and stable operation, essential for demanding industrial environments.
Availability & Shipping
- ▸In stock: 6ES7953-8LL31-0AA0 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 6ES7953-8LL31-0AA0 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.