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Allen-Bradley 1747-M12 SLC 500 EPROM Memory Module

Brand/Manufacturer: Allen-Bradley

Order Number: 1747-M12

Type: Memory Modules

Country of Origin: USA

Condition: Original Brand

Lead Time: Available in stock

Payment Term: 100% TT In Advance

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Description

The 1747-M12 is a non-volatile 64K EPROM memory module manufactured by Allen-Bradley for the SLC 500 programmable logic controller platform. It provides permanent storage for user programs and processor data, protecting control logic against data loss caused by battery failure or prolonged power outages. Designed to plug directly into compatible SLC 500 processors, the 1747-M12 ensures fast program recovery and reliable system restores in industrial automation environments.

Memory Capacity and Technology

Featuring 64 KB of EPROM (Erasable Programmable Read-Only Memory) storage capacity, the module retains user ladder logic programs and system configuration settings without requiring continuous backplane or battery power. It is ideal for safeguarding critical PLC applications and serving as a master backup image for rapid controller restoration.

Hardware Installation and Compatibility

The 1747-M12 installs directly into the dedicated memory module socket located on compatible SLC 500 CPU boards, including select SLC 5/01, 5/02, 5/03, 5/04, and 5/05 controllers. Once installed, processor operating modes can be configured via programming software (such as RSLogix 500) to automatically load the EPROM contents into processor RAM upon power-up or memory corruption detection.

Parameter Specification
Model 1747-M12
Brand Allen-Bradley
Product Type Memory Modules
System Platform SLC 500
Memory Type EPROM
Memory Size 64K
Weight 0.05 kg

 

Frequently Asked Questions

Q: Does the 1747-M12 memory module require battery power to retain data? A: No, as an EPROM device, the 1747-M12 provides non-volatile storage and retains user programs and data without requiring a battery.

Q: How does the SLC processor utilize the 1747-M12 memory module during operation? A: Depending on controller configuration settings in RSLogix 500, the processor can automatically transfer stored ladder logic from the 1747-M12 into internal RAM upon system initialization or power-up.

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We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.

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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.

- David Smith

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"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."

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We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.

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