Siemens 6ES5376-1AA21 memory submodule

Product manual:

Siemens 6ES5376-1AA21 is a memory submodule in the SIMATIC S5 series, used to expand the storage capacity of PLC systems. This module is designed to store control programs, data blocks, and other critical data to support complex industrial automation tasks.
Main features:
Series: SIMATIC S5
Model: 6ES5376-1AA21
Storage type: CMOS-RAM (Random Access Memory with Battery Backup), suitable for frequent read and write operations and long-term data storage needs.
Capacity: 64K bytes.
Data persistence: Built in battery backup ensures that data remains unchanged in the event of system power failure.
Compatibility: Compatible with multiple CPU modules of SIMATIC S5 series, such as S5-115U, S5-135U, and S5-155U.
Application scenarios:
Industrial automation control: used for storing and managing control programs and data blocks, suitable for automation systems that require high data access speeds.
Process control: Used in applications that require storing important process control data and system parameters.
Data Management: Suitable for systems that require frequent reading, writing, and long-term data storage, providing stable and reliable storage solutions.
Technical specifications:
Storage capacity: 64K bytes, suitable for storing medium-sized control programs and data.
Storage type: CMOS-RAM, supports fast read and write operations, and has a built-in battery to ensure data persistence in the event of a power outage.
Battery backup: The built-in battery can maintain data in the event of a power outage, ensuring system stability and data integrity.
Interface type: Standard SIMATIC S5 slot interface, compatible with S5 series PLC modules.

Product details picture:

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