Description

The Siemens 6ES5910-0AA41 is an EPROM memory module designed for the Simatic S5-110A programmable logic controller series. This module provides reliable, non-volatile storage for control programs, ensuring that ladder logic and instruction sets remain intact during power failures or system resets. By utilizing ultraviolet-erasable technology, the module offers a secure, permanent storage solution for critical automation routines in legacy industrial environments.

Features

• Non-volatile storage: Retains program data without the need for backup batteries.
• Capacity: Supports up to 4,092 statements for complex control sequences.
• Compatibility: Specifically engineered for the Siemens Simatic S5-110A CPU backplane.
• Robust Design: Housed in a protective casing to ensure long-term reliability in industrial settings.
• Erasability: Supports UV-based erasure for reprogramming via authorized Siemens programming equipment.

Applications

This memory module is primarily used in legacy S5-110A control systems within heavy manufacturing, chemical processing, and metallurgical plants. It is an essential component for maintaining fixed control logic and enabling rapid system recovery following hardware maintenance or power-related downtime.

Technical Specifications

Installation Guidelines

• Ensure the S5-110A CPU is powered down before inserting or removing the memory module to prevent electrical damage.
• Handle the module by the edges to avoid electrostatic discharge (ESD) damage to the internal semiconductor components.
• Align the module carefully with the CPU backplane slot and ensure it is firmly seated to maintain reliable bus contact.
• Verify that the module is correctly keyed for the specific slot to prevent improper installation.
• Keep the module away from high-EMI sources and ensure the control cabinet environment remains within the specified temperature range.

FAQ

Does this module require a battery for data retention?

No, the 6ES5910-0AA41 uses EPROM technology, which is non-volatile and does not require a lithium battery to maintain stored program data.

How can I update the program on this module?

The module must be removed from the controller and exposed to high-intensity ultraviolet light to erase the existing data. Once erased, it can be reprogrammed using a compatible Siemens S5 programming device.