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Description

The Siemens 6ES7952-1AH00-0AA0 is a dedicated RAM memory card designed for the SIMATIC S7-400 automation system. This long-version memory module provides 256 KB of volatile storage capacity, essential for the operation and program execution of S7-400 CPUs. As a critical component for system configuration, it ensures the necessary memory overhead for complex control tasks and data management within the S7-400 architecture.

Features

• Compatible with SIMATIC S7-400 programmable logic controllers.
• Provides 256 KB of RAM storage capacity.
• Long-version form factor for specific S7-400 CPU slot requirements.
• Reliable data retention for runtime program variables and blocks.

Installation Guidelines

• Ensure the CPU is powered down before inserting or removing the memory card to prevent data corruption or electrical damage.
• Handle the module by its edges; avoid touching the gold-plated connector contacts to prevent contamination or oxidation.
• Ensure the card is fully seated in the designated memory slot of the S7-400 CPU.
• Verify that the CPU configuration supports the specific memory card size and type before deployment.
• Store in a static-safe environment when not in use to protect sensitive internal components.

Technical Specifications

Manufacturer	Siemens
Model Number	6ES7952-1AH00-0AA0
Product Type	RAM Memory Module
Memory Capacity	256 KB
Compatibility	SIMATIC S7-400 Series
Form Factor	Long Version
HS Tariff Code	8523510000

FAQ

Is this memory module compatible with S7-300 CPUs?

No, the 6ES7952-1AH00-0AA0 is specifically engineered for the SIMATIC S7-400 series and is not compatible with S7-300 hardware.

Does this module require a battery for data retention?

Yes, as this is a RAM module, it is volatile and requires the S7-400 CPU's backup battery to maintain data during power cycles.

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