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PRODUCT DESCRIPTION
6ES7953-8LG31-0AA0 128 KB Micro Memory Card
The Siemens 6ES7953-8LG31-0AA0 is the 128 KB Micro Memory Card for the SIMATIC S7-300 platform. It provides nonvolatile load memory for SIMATIC controller projects in machines, process equipment and infrastructure panels that use the documented Siemens architecture. The component is selected by its complete article number because closely related versions can use different interfaces, electrical behavior or system assignments.
Within the installed system, the unit works with the compatible carrier, controller, network or field connection specified by the manufacturer. Its function supports a serviceable automation design in which operating data and diagnostics remain available through the parent platform. The product is suited to maintenance, controlled expansion and original hardware replacement where the established SIMATIC S7-300 configuration must remain consistent.
Within the installed system, the unit works with the compatible carrier, controller, network or field connection specified by the manufacturer. Its function supports a serviceable automation design in which operating data and diagnostics remain available through the parent platform. The product is suited to maintenance, controlled expansion and original hardware replacement where the established SIMATIC S7-300 configuration must remain consistent.
BEFORE YOU BUY
Confirm the complete 128 KB Micro Memory Card
ACTUAL APPLICATIONS
Application fields for 6ES7953-8LG31-0AA0
6ES7953-8LG31-0AA0 is used across compatible installations in the following broad industrial application fields, subject to verified system design and operating requirements.
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01 · INDUSTRIAL MANUFACTURING
Industrial Manufacturing and Continuous Production
Discrete manufacturing and assembly productionContinuous industrial production operations -
02 · WATER & WASTEWATER
Municipal Water and Industrial Wastewater Services
Municipal water treatment servicesIndustrial wastewater treatment operations -
03 · POWER GENERATION
Thermal, Hydroelectric and Renewable Power Generation
Thermal and hydroelectric power productionRenewable generation and energy integration
Technical specifications for 6ES7953-8LG31-0AA0
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Product Model6ES7953-8LG31-0AA0
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Product ParametersSIMATIC 128 KB Micro Memory Card
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In stock1 unit
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ManufacturerSiemens
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Memory technologyNflash
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Memory capacity128 KB
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Operating voltage3.3 V
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Write cyclesAt least 100000
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Data retentionAt least 10 years
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Compatible systemsS7-300, C7 and ET 200
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Controller interfaceMMC slot
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Memory formatSIMATIC MMC
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Minimum data retention10 years
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Minimum write cycles100000
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Controller compatibilityS7 300, C7 and ET 200 CPUs
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Load memory functionProgram and configuration storage
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Card interfaceSIMATIC MMC slot
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Project transferSupported between compatible CPUs
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Maintenance functionNonvolatile project backup
View all additional
Alternative Names
Siemens 128 KB Micro Memory Card
SIMATIC S7-300
128 KB Micro Memory Card for SIMATIC S7-300
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
SYSTEM INTEGRATION
Integrate 6ES7953-8LG31-0AA0 128 KB Micro Memory Card
Integrate 6ES7953-8LG31-0AA0 as the documented 128 KB Micro Memory Card within the SIMATIC S7-300 architecture. The manufacturer data defines its functional role and compatible hardware, so the carrier, power arrangement, network or signal interface must follow the approved configuration for this exact article.
Plan the installation around Nflash, 128 KB and 3.3 V. Apply the cable routing, terminal assignment, shielding, grounding and supply practices stated for the product family, and place the component in the correct station, drive, instrument or network position before configuration is loaded.
Commission the complete assembly in a controlled operating state. Establish the required supply and communication conditions first, review device diagnostics, and then exercise the connected signals or functions across their intended range. Store the final hardware configuration, wiring record and functional results with the plant documentation.
Features:
- Exact identity: 6ES7953-8LG31-0AA0
- Documented SIMATIC S7-300 architecture
- Controlled commissioning with recorded results
6ES7953-8LG31-0AA0 requires documented system integration before energising the installation.
INTERCHANGEABILITY
Verify 6ES7953-8LG31-0AA0 before replacement
Use 6ES7953-8LG31-0AA0 as the exact replacement identity for this SIMATIC S7-300 function. Related family codes can differ in interface behavior, signal allocation, firmware, memory, licensing or mechanical keying, so the full article number and product role must correspond to the installed equipment.
Record the installation before removal, including 128 KB, 3.3 V and At least 100000. Capture the physical position, connector orientation, conductor labels, network settings, parameter file, operating status and any accessory or carrier that determines compatibility with the surrounding system.
After installation, restore only the approved configuration and compare device status with the saved baseline. Check each affected signal path, communication link, power circuit or control function through normal diagnostics, and complete the manufacturer required commissioning tests before the equipment returns to service.
Features:
- Match 6ES7953-8LG31-0AA0 exactly
- Preserve installation and configuration records
- Validate every affected function after fitting
6ES7953-8LG31-0AA0 requires replacement verification against the installed hardware and configuration.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: The linked files are Amikong-hosted reference documents. Match their product identity and scope to the supplied assembly, and consult the applicable manufacturer instructions before use. Accessories and additional documents are included only when expressly listed in the quotation.Features:
- Match documents to the complete product identity
- Use the applicable manufacturer family instructions
- Additional documents are supplied only when quoted
Documentation for 6ES7953-8LG31-0AA0 must be checked against the installed configuration before service.
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Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
Commercial terms without hidden steps
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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01
Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Product size2.4 × 3.2 × 0.14 cm
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Net weight0.002 kg
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS reference8523511000
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OriginGermany
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Part checked
Full suffix recorded -
Condition checked
Label and appearance -
Packing checked
Antistatic protection -
Tracking supplied
Established couriers -
Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 6ES7953-8LG31-0AA0
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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What is 6ES7953-8LG31-0AA0?
6ES7953-8LG31-0AA0 is a 128 KB Micro Memory Card for the SIMATIC S7-300. -
Which identity must be used when ordering 6ES7953-8LG31-0AA0?
Use the complete 6ES7953-8LG31-0AA0 marking and compare it with the installed label and project records. -
Can a similar family item replace 6ES7953-8LG31-0AA0?
Do not confirm substitution from a family name or similar appearance. Verify the complete code, interfaces, revision and approved configuration. -
What should be recorded before removing 6ES7953-8LG31-0AA0?
Record the installed position, connections, cable labels, settings and diagnostic state. -
What should be inspected when 6ES7953-8LG31-0AA0 arrives?
Inspect the label, housing, connectors, terminals and packaging for correct identity and condition. -
Which checks follow installation?
Restore the approved configuration and complete controlled power-up, diagnostic and functional tests. -
What information should accompany a quotation?
Provide the complete model, quantity, clear label photographs, destination and required delivery date. -
Which documentation applies?
Use the manufacturer documentation for SIMATIC S7-300 and confirm that its scope covers the installed configuration.
READY TO VERIFY YOUR PART?
Get a 6ES7953-8LG31-0AA0 quote with price, lead time and revision check.
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6ES7953-8LG31-0AA0SIMATIC 128 KB Micro Memory CardManufacturer: SiemensView Details
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