Product details
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SIEMENS · PRODUCT DETAILS

Siemens 6ES7952-1AH00-0AA0 S7-400 RAM Memory Card

Long-design 5 V RAM memory card for program and data storage in compatible SIMATIC S7-400 controllers.

CONDITIONNew Original

WARRANTYOne year

☎ +86 17359287459 ✉ sales9@apterpower.com

SYSTEM POSITION

SIMATIC S7-400 · 256 KB RAM

Removable long-design memory card for compatible S7-400 CPU memory expansion and service.

Product snapshot

The card provides 256 KB of RAM storage in the long S7-400 memory-card format for compatible CPUs.

Use the exact order code and preserve verified project backups before replacing or transferring controller memory.

Explore other Siemens products →

OPERATING INSIGHT

Detailed product description

This SIMATIC S7 memory card provides 256 KB of volatile RAM storage for compatible S7-400 controllers. It uses the long card design and is intended for program and data memory expansion in established automation systems. Compatibility and backup status should be checked before installation.

◇ Operating environment

Insert only into a compatible S7-400 CPU memory-card slot with power and handling procedures following the CPU manual. Protect the card from electrostatic discharge.

◎ Monitoring & control

The memory card has no standalone indication. Detection, memory status and program consistency are supervised through the CPU diagnostic buffer and STEP 7 engineering tools.

Official technical data

Memory type
RAM

Capacity
256 KB

Design
Long format

Platform
SIMATIC S7-400

Operating voltage
5 V

Country of origin
Germany

Package dimensions
9.3x13.3x1.5cm

Weight
0.041kg

BRAND & APPLICATION

Siemens brand characteristics

Siemens automation hardware uses coordinated controller, distributed I/O and engineering concepts across established industrial systems.

Documented order codes, module data and lifecycle paths support structured servicing and replacement planning.

Application fields

S7-400 program and data memory expansion.

Controller service, backup and lifecycle replacement.

Recommended models

SIEMENS

6ES7421-1BL01-0AA0

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6ES7422-1BL00-0AA0

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6ES7431-1KF00-0AB0

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6ES7441-1AA05-0AE0

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6ES7407-0DA02-0AA0

6ES7407-0KA02-0AA0

6ES7407-0KR02-0AA0

6ES7412-1XJ05-0AB0

6ES7413-1XG02-0AB0

6ES7414-2XK05-0AB0

6ES7416-2XN05-0AB0

6ES7460-0AA01-0AB0

6ES7461-0AA01-0AA0

6ES7952-1AL00-0AA0

BECKHOFF

EL1008

EL1809

EL2008

EL2809

EL3002

EL3054

EL3064

EL4004

EL4102

EL4132

EL5001

EL5101

EL6001

EL6021

EL6731

EL6751

EK1100

EK1110

CX9020-0111

CX5130-0125

QUOTE & POLICY

Quote

Send the complete order code and required quantity for a checked price, availability and lead-time response.

Order support

Confirm the installed system, signal requirements and delivery destination before ordering replacement hardware.

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