Allen Bradley 1747-M11 EEPROM Flash Memory Module

Product Introduction

The Allen-Bradley 1747-M11 EEPROM Flash Memory Module is a non-volatile program storage device designed for SLC™ 500 programmable controller systems. It is used to securely store user application programs, providing a reliable method for program backup, duplication, and recovery in industrial automation environments.

With a 32K EPROM memory capacity, the 1747-M11 supports larger and more complex control programs compared to lower-capacity memory modules. It allows the controller to automatically reload the stored program into processor memory during startup or after CPU replacement, ensuring consistent system behavior and reduced commissioning time.

This memory module is commonly applied in production systems where program protection, fast recovery, and configuration consistency are essential. Its flash-based EEPROM structure eliminates the need for batteries, enhancing long-term reliability and simplifying maintenance.

Product Specifications

Applications

• Program backup for SLC 500 controllers, ensuring control logic is preserved during power loss

• Fast system recovery after CPU replacement or unexpected controller failure

• Standardized machine deployment, allowing identical programs to be replicated across multiple systems

• Production environments requiring high system availability and minimal downtime

• Maintenance and service operations, reducing dependency on external programming tools

• Legacy automation systems where SLC 500 platforms remain in long-term operation

Advantages

• High-capacity non-volatile storage, supporting complex SLC 500 control programs

• Battery-free flash memory, eliminating maintenance associated with battery replacement

• Rapid program restoration, significantly reducing commissioning and recovery time

• Stable and reliable data retention, suitable for continuous industrial operation

• Seamless SLC 500 compatibility, requiring no system architecture changes

• Improved operational security, protecting critical control logic from accidental loss

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