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SIEMENS · PRODUCT DETAILS

6ES7953-8LG20-0AA0

SIMATIC S7 Micro Memory Card 128 KB

CONDITION

New Original

WARRANTY

One year

PRODUCT SNAPSHOT

This removable SIMATIC S7 memory card provides 128 KB of non-volatile Flash storage for supported S7-300, C7 and ET 200 equipment. It stores controller programs and data in the device-specific Siemens card slot.

The card supports controlled project transfer and service replacement without battery-backed memory. Confirm the target CPU, required capacity and complete article number before installation.

DIRECT CONTACT

☎ +86 17359287459 ✉ sales9@apterpower.com

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OPERATING ENVIRONMENT · MONITORING & CONTROL

Non-volatile 128 KB project storage for compatible SIMATIC controllers

◈ Operating environment

Insert only in the approved card slot of compatible S7-300, C7 or ET 200 hardware.

The host device supplies the card through its 3.3 V interface.

Protect the contact edge from electrostatic discharge and contamination.

Confirm the target CPU release and required project capacity before use.

◎ Monitoring & control

Non-volatile Flash memory preserves programmed information without a battery.

At least 100,000 write/delete cycles support repeated engineering operations.

Stored data retention is specified for a minimum of ten years.

Project version and memory requirement should be verified during replacement.

OFFICIAL TECHNICAL DATA

Product type Micro Memory Card	Memory technology NFlash	Memory size 128 kbyte	Operating interface 3.3 V
Write/delete cycles Minimum 100,000	Data retention Minimum 10 years	Compatible systems S7-300, C7, ET 200	Product dimensions 2.4x3.2x0.14cm

Official Siemens data for article number 6ES7953-8LG20-0AA0.

Brand strengths meet practical automation needs

SIEMENS CHARACTERISTICS · APPLICATION FIELDS

Siemens brand characteristics

1	Siemens memory coding supports exact capacity and revision identification.
2	Documented SIMATIC compatibility simplifies controller maintenance.
3	Published endurance and retention values support lifecycle planning.
4	Compact removable media enables controlled program handling in legacy systems.

Application fields

A	Controller program storage in compatible S7-300 systems.
B	Configuration memory for supported C7 compact controllers.
C	Service replacement for compatible ET 200 CPU stations.
D	Maintenance inventory requiring a 128 KB SIMATIC Micro Memory Card.

RECOMMENDED MODELS

SIEMENS

6ES7953-8LF00-0AA0	6ES7953-8LF20-0AA0	6ES7953-8LF30-0AA0	6ES7953-8LG20-0AA0	6ES7953-8LG30-0AA0
6ES7953-8LG31-0AA0	6ES7953-8LJ30-0AA0	6ES7953-8LJ31-0AA0	6ES7953-8LL31-0AA0	6ES7953-8LM31-0AA0
6ES7953-8LM32-0AA0	6ES7953-8LP31-0AA0	6ES7954-8LC03-0AA0	6ES7954-8LE03-0AA0	6ES7954-8LF03-0AA0
6ES7954-8LL03-0AA0	6ES7954-8LP03-0AA0	6ES7214-1BG40-0XB0	6ES7972-0AA01-0XA0	6ES7151-7AA20-0AB0

Selection note: verify the target system, electrical rating and complete article number before replacement.

QuoteA clear four-step request process

Identify

Provide the complete Siemens article number and required quantity.

Verify

Confirm the target system, electrical rating and installed revision.

Quote

Receive current price, availability, condition and lead time.

Dispatch

Confirm packing requirements and arrange shipment.

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