6ES7954-8LE04-0AA0 SIMATIC S7 Memory card

The 6ES7954-8LE04-0AA0 is a 12 MB Siemens SIMATIC S7 Memory Card. This external flash memory medium is used to store program data, user projects, hardware configurations and firmware updates for compatible automation systems.

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Estimated Delivery Date: Aug 14 - Aug 14

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Specifications

Description

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Key Technical Specifications

Item	Parameter
Memory Size	12 Mbyte
Memory Type	Flash-EPROM
Supply Voltage	3.3 V
Lifespan	Min. 500,000 write/delete cycles
Data Retention	Min. 10 years (for less than 50,000 write operations)
Dimensions	24 mm (W) × 32 mm (H) × 2.1 mm (D)
Weight	Approx. 3 g

Applied Scenarios

Siemens TIA Selection documentation lists three operational modes for this card depending on how you configure it:

Program Card (Load Memory Expand): Acts as the primary external CPU memory. The PLC executes your project directly from the card. A 12 MB capacity is perfectly suited for medium-sized automation projects containing hundreds of logic blocks, standard recipe data, and extensive hardware setups.
Firmware Update Card: Used by field technicians to manually flash and upgrade the firmware version of an S7-1200 or S7-1500 controller without needing TIA Portal network access.
Transfer Card: Designed for quick project duplication. You can load a master program onto the card, insert it into a blank CPU to force a project transfer, and then remove the card so the CPU runs from internal memory.

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Remarks

Product quality: 100% original brand new genuine products, supplied via official channels.
Warranty policy: 1 year official warranty is provided.
Lead time: Standard lead time is 2–4 weeks; the exact delivery time is subject to the factory production schedule at that time.
Prices of industrial control products are subject to market and raw material fluctuations. Please contact online customer service for the latest quotes and delivery times.