The Siemens 6ES5373-0AA41 is a robust CMOS EPROM (C-EPROM) memory submodule designed for long-term data retention in legacy SIMATIC S5 programmable logic controller systems. This module provides 32 Kbytes of non-volatile storage, serving as a reliable repository for user programs, system configurations, and complex control sequences. By utilizing hardware-based memory, the module ensures that critical operational code remains intact during power cycles, power supply interruptions, or battery failures, effectively reducing recovery time and preventing potential data loss in industrial environments.
Features
Non-volatile C-EPROM storage technology ensures data integrity without the need for backup batteries.
Provides 32 Kbytes of dedicated memory capacity for S5 CPU program storage.
Integrated into a durable housing designed for seamless insertion into standard SIMATIC S5 memory slots.
Utilizes high-quality gold-plated edge connectors for reliable signal transmission and contact resistance.
Operates efficiently within standard industrial temperature ranges for consistent performance.
Applications
This memory submodule is widely utilized in legacy automation infrastructure, including steel manufacturing facilities, mining operations, and power generation plants. It is ideal for critical control applications where immediate program availability is required following system restarts or maintenance shutdowns.
Technical Specifications
Model
6ES5373-0AA41
Memory Type
CMOS EPROM
Capacity
32 Kbytes
Series
SIMATIC S5
Power Consumption
0.5 W
Operating Temperature
0 to 60 deg C
Installation Guidelines
Ensure the CPU is powered down before inserting or removing the memory submodule to prevent electrical damage.
Handle the module by its casing to avoid electrostatic discharge (ESD) exposure to the internal circuitry.
Align the module carefully with the CPU memory slot guide rails to prevent bending the edge connectors.
Ensure the module is fully seated until the locking mechanism, if present, engages securely.
Verify that the environment is free from excessive vibration and corrosive elements to maintain long-term contact reliability.
FAQ
Does this module require a battery to maintain data? No, the 6ES5373-0AA41 uses C-EPROM technology, which is non-volatile and retains its programmed data without the need for a backup battery.
Is this module compatible with all S5 CPUs? This module is specific to the SIMATIC S5 series; please verify your CPU's documentation to ensure compatibility with 32 Kbyte C-EPROM submodules before installation.
