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Siemens 6ES7952-1AH00-0AA0 SIMATIC S7-400 256 KB RAM Memory Card

Siemens SIMATIC S7-400 · 256 KB RAM Memory Card

6ES7952-1AH00-0AA0

The 6ES7952-1AH00-0AA0 is a Siemens SIMATIC S7-400 MC 952 RAM memory card with 256 KB capacity and long design. Siemens lists this exact article number in its S7-400 memory-card specifications.

PRODUCT TYPERAM CARD

CAPACITY256 KB

FORMATLONG DESIGN

SUPPLY5 V

MANUFACTURERSiemens

CONDITION / WARRANTYOriginal New · One-Year Warranty

ISO CERTIFICATIONISO-Certified Product

VERIFICATION● Product photos and videos provided after inquiry

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SIEMENS ● SIMATIC S7-400 LOAD MEMORY

Siemens SIMATIC S7-400

6ES7952-1AH00-0AA0

MC 952 · 256 KB RAM · long design

PRODUCT ROLE

6ES7952-1AH00-0AA0 is a 256 KB RAM memory card for SIMATIC S7-400 CPUs. The Siemens CPU manual lists it as MC 952, long design, for expandable load memory.

TECHNICAL CONTEXT

For 6ES7952-1AH00-0AA0, Siemens documents 5 V operation with typical current consumption of 35 mA and maximum 80 mA for this exact RAM card. Confirm CPU compatibility and the backup arrangement before installation.

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MANUFACTURER-REFERENCE CHARACTERISTICS

Technical Specifications

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SIMATIC S7-400 MC 952 RAM Card

Engineering data at a glance

Click “+” to expand more specifications.

PRODUCT TYPERAM CARD

CAPACITY256 KB

FORMATLONG DESIGN

SUPPLY5 V

Siemens Automation System S7-400 CPU Specifications, memory-card table

SYSTEM COMPATIBILITY6ES7952-1AH00-0AA0 is an MC 952 256 KB RAM card for compatible S7-400 CPUs. Confirm the CPU memory-card slot, project size and backup arrangement before ordering or migration.

General Information −

BrandSiemens

Part number6ES7952-1AH00-0AA0

Product typeRAM memory card

Product familySIMATIC S7-400 MC 952

Memory capacity256 KB

Card designLong

Physical and Electrical ＋

Width7.5 mm

Height57 mm

Depth87 mm

Supply5 V DC from CPU

Current consumption · typical35 mA

Current consumption · maximum80 mA

Function and Configuration ＋

Memory technologyRAM

Card roleExpandable CPU load memory

Backup current · typical1 µA

Backup current · maximum40 µA

CPU compatibilityCheck S7-400 CPU manual

Ordering distinctionNot a Flash EPROM card

Capacity256 KB

Source: Siemens Automation System S7-400 CPU Specifications, memory-card table

FAQ

Questions Buyers Ask Most

What capacity and memory type does 6ES7952-1AH00-0AA0 have?＋

6ES7952-1AH00-0AA0 Siemens identifies this exact MC 952 card as 256 KB RAM, not Flash EPROM. It is the long-design S7-400 memory-card variant.

Which S7-400 CPUs accept 6ES7952-1AH00-0AA0?＋

6ES7952-1AH00-0AA0 Check the specific CPU manual and configured load-memory requirement. This card is listed in Siemens S7-400 CPU memory-card specifications, but compatibility must be confirmed for the installed CPU.

What electrical load does 6ES7952-1AH00-0AA0 place on the CPU?＋

6ES7952-1AH00-0AA0 Siemens lists 5 V current consumption of 35 mA typical and 80 mA maximum for this exact RAM card.

Does 6ES7952-1AH00-0AA0 need backup power to retain data?＋

6ES7952-1AH00-0AA0 As a RAM card, retained content depends on the S7-400 backup arrangement. Siemens lists backup-current figures of 1 µA typical and 40 µA maximum; verify CPU battery and system backup procedures.

How should 6ES7952-1AH00-0AA0 be installed?＋

6ES7952-1AH00-0AA0 Confirm CPU type, power state, memory-card slot and project backup before fitting the long-design card. Follow the Siemens CPU manual for insertion, loading and restart.

What physical size applies to 6ES7952-1AH00-0AA0?＋

6ES7952-1AH00-0AA0 The Siemens S7-400 memory-card table gives dimensions of 7.5 × 57 × 87 mm for this long-design MC 952 card.

What should be supplied when ordering 6ES7952-1AH00-0AA0?＋

6ES7952-1AH00-0AA0 Provide the complete Siemens article number, required quantity, CPU order number, required 256 KB RAM capacity and the backup or migration requirement.

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Share the full Siemens article number, S7-400 CPU, project memory requirement, backup arrangement and quantity for checking.

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DATA SHEET

Product Information for
6ES7952-1AH00-0AA0

Product information and support route for the exact Siemens article number 6ES7952-1AH00-0AA0.

Official Siemens CPU manual

The Siemens S7-400 CPU Specifications manual lists 6ES7952-1AH00-0AA0 as an MC 952 256 KB RAM card and documents current consumption, backup-current values and card dimensions.

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Siemens Automation System S7-400 CPU Specifications, memory-card table, article number 6ES7952-1AH00-0AA0.

MODEL IDENTIFICATION

Exact Siemens reference for 6ES7952-1AH00-0AA0

6ES7952-1AH00-0AA0 — Siemens lists this exact article as an MC 952 256 KB RAM memory card. The capacity and memory type come from the manufacturer order table, not from a guessed suffix rule.

Siemens · BRAND

SIMATIC S7-400MC 952 256 KB RAM Memory Card

SIMATIC S7 ORDER PREFIX

6ES7

Siemens S7-400 CPU documentation uses this order-number prefix for SIMATIC S7 accessories.

MEMORY-CARD FAMILY

952

The manufacturer table lists this article in the MC 952 memory-card family.

LISTED CARD VARIANT

1AH00

The complete article with this variant is listed as a 256 KB RAM card.

Product identification: Siemens SIMATIC S7-400 MC 952 256 KB RAM Memory Card, article number 6ES7952-1AH00-0AA0. Unlisted code fields are not decoded.

APPLICATION AREAS

Application functions for 6ES7952-1AH00-0AA0

CPU Load MemoryProvides 256 KB RAM load-memory expansion

S7-400 EngineeringStores the configured CPU program data

INDUSTRIAL AUTOMATION APPLICATIONS 6ES7952-1AH00-0AA0 SIMATIC S7-400 · 256 KB RAM Memory Card

Backup PlanningRequires a checked RAM retention arrangement

Memory-Card MigrationMatch card technology and capacity to the project

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