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Siemens SIMATIC S7 6ES7954-8LL04-0AA0 256 MB Flash Memory Card | Original New

Siemens SIMATIC S7 6ES7954-8LL04-0AA0 256 MB Flash Memory Card | Original New

Siemens SIMATIC S7

6ES7954-8LL04-0AA0

SIMATIC S7 memory card for S7-1x00 CPUs with 3.3 V Flash-EPROM and 256 MB capacity.

KEY FEATURE: 256 MB Flash-EPROM with at least 200,000 write and delete operations.

LEAD TIME: In stock WARRANTY: 1 year

Email Inquiry [email protected]

WhatsApp +86 18159889985

Appurtenance:

Overview
Technical Data
Inquiry
Functions
Interfaces
Installation
Compatibility
FAQ
Recommend Models
Recommended Products

Siemens SIMATIC S7 6ES7954-8LL04-0AA0

256 MB SIMATIC S7 memory card

Product Overview

6ES7954-8LL04-0AA0 is a SIMATIC S7 memory card for S7-1x00 CPUs.

Key Specifications

The card uses 3.3 V Flash-EPROM technology and provides 256 MB memory capacity.

Interfaces and Expansion

The specified endurance is at least 200,000 write and delete operations, with data retention dependent on the accumulated write cycles.

Mechanical Data

Official dimensions are 24 x 32 x 2.1 mm and the approximate weight is 3 g.

Ordering Identification

Verify the complete article number 6ES7954-8LL04-0AA0 and the 256 MB capacity before ordering or replacement.

Technical Data

Complete model	6ES7954-8LL04-0AA0
Product family	Siemens SIMATIC S7
Product type	Memory card for S7-1x00 CPUs
Memory technology	Flash-EPROM
Memory capacity	256 MB
Nominal card voltage	3.3 V
Write and delete operations	200,000 minimum
Data retention	10 years minimum below 20,000 write/delete cycles
Dimensions	24 x 32 x 2.1 mm (W x H x D)
Weight	Approximately 3 g
Target interface	SIMATIC S7-1x00 CPU memory card slot
Certifications	Manufacturer declarations and listed maritime approvals

Inquiry

CONTACT

STELLA

Email Inquiry [email protected]

WhatsApp +86 18159889985

Functions

Storage role

Removable Flash-EPROM memory for compatible SIMATIC S7-1x00 CPUs.

Capacity

256 MB nonvolatile memory.

Endurance

At least 200,000 write and delete operations.

Retention

Minimum retention is 10 years when write/delete cycles remain below 20,000.

Interfaces

CPU interface

Installs in the designated SIMATIC S7-1x00 memory card slot.

Memory type

Flash-EPROM.

Electrical format

3.3 V memory card.

External ports

No external communication connector is provided on the card.

Installation

Card size

Allow for 24 x 32 x 2.1 mm physical dimensions.

Handling

Match the card orientation and slot instructions in the applicable CPU documentation.

Identification

Keep the complete article number visible for procurement checks.

Weight

Approximate card weight is 3 g.

Compatibility

CPU family

Intended for compatible Siemens SIMATIC S7-1x00 CPUs.

Capacity match

Confirm that the engineering project requires 256 MB.

Article verification

Use the complete order number 6ES7954-8LL04-0AA0.

Replacement review

Do not assume another capacity or suffix is interchangeable.

FAQ

Q1. How can a buyer verify the exact 6ES7954-8LL04-0AA0 card?

Check the full article number and confirm the official 256 MB Flash-EPROM specification with 24 x 32 x 2.1 mm dimensions.

Q2. How can New, Used or Refurbished condition be distinguished?

Request dated photos of both card faces, contacts, printed article number and packaging. Ask for traceable condition and purchase documentation.

Q3. How should supplier legitimacy be checked?

Verify the company registration, address, payment beneficiary and invoice details, and require the complete article number on the quotation.

Q4. Which specifications should an engineer verify before ordering?

Confirm the S7-1x00 CPU memory-card interface, 256 MB capacity, 3.3 V format, write endurance, 24 x 32 x 2.1 mm size and approximately 3 g weight.

Q5. What evidence should be requested before payment?

Ask for dated close-up photos of the printed order number, card contacts, capacity marking and sealed or protective packaging.

Q6. Can a different memory-card capacity or suffix replace it?

Not automatically. Capacity, supported CPU generation and card format must match the engineering project and CPU documentation.

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