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Allen-Bradley 1785-M100/A EEPROM Memory Module for PLC-5 controllers

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Allen-Bradley 1785-M100/A

by Allen-Bradley

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OverviewBoost the dependability and functionality of your industrial control systems using the Allen-Bradley 1785-M100/A EEPROM Memory Module. This module is specifically engineered for full compatibility with both Enhanced PLC-5 and Ethernet PLC-5 programmable controllers, offering a substantial 100K word storage capacity. It serves as a vital component for safeguarding program data and ensuring consistent retention, thereby protecting critical control programs from unexpected power interruptions and facilitating quick system recovery. The 1785-M100/A is ideal for demanding industrial settings, providing a dependable solution for continuous operation and maximizing uptime in sophisticated automation processes.Key Features 100K Word EEPROM Capacity: Offers extensive non-volatile storage for essential PLC programs, maintaining data integrity even without power. Enhanced & Ethernet PLC-5 Compatibility: Designed for seamless integration across various PLC-5 controllers, simplifying system upgrades and maintenance tasks. Rapid Data Handling: Optimizes program execution and data management, leading to more responsive and efficient control systems. Non-Volatile Data Retention: Protects all crucial control programs from data loss during power outages, averting costly downtime and rework. Effortless Installation: Engineered for simple mounting within existing PLC-5 controllers, reducing installation time and complexity. Industrial-Grade Construction: Manufactured to Allen-Bradley's rigorous quality standards, ensuring long-term durability and reliable performance in harsh environments. Facilitates Swift System Restoration: Secure program storage allows for rapid operational recovery following any unforeseen system disruption. Technical Specifications Model: 1785-M100/A Series: A Memory Type: EEPROM (Electrically Erasable Programmable Read-Only Memory) Storage Capacity: 100K Words Compatibility: Designed for use with Enhanced PLC-5 & Ethernet PLC-5 Controllers Mounting Type: Internal Module for PLC-5 chassis Applications Industrial Automation & Process Control: Ensures secure, efficient, and continuous data retention for critical operational sequences. Machine & Equipment Operation: Provides stable program storage for the precise and dependable functioning of intricate machinery. SCADA & Remote Monitoring: Supports real-time data backup and program integrity, essential for distributed control systems. Manufacturing & Production: Actively shields vital PLC programs from unexpected failures, preserving production schedules. Critical Infrastructure: Perfect for situations where data loss could lead to significant operational or safety consequences. Retrofit and Upgrade Projects: A robust option for improving the memory capabilities and extending the lifespan of current PLC-5 systems. Why Choose This Model?Unmatched Data SecurityRely on Allen-Bradley's proven EEPROM technology to prevent program loss during power outages, ensuring uninterrupted operation.Generous 100K Word CapacityOffers ample space for storing complex and data-intensive automation programs, supporting sophisticated control strategies.Seamless Integration & Ease of UseThe plug-and-play design simplifies installation and integration into existing Enhanced & Ethernet PLC-5 systems, reducing setup time.Legendary Allen-Bradley QualityInvest in a product backed by a brand renowned for its industrial durability, reliability, and precision engineering, guaranteeing long-term performance.Optimized for PLC-5 PerformanceSpecifically designed to complement the architecture of PLC-5 controllers, ensuring optimal function and extended system life.Future-Proof Your OperationsProvides a robust memory solution that enhances the resilience and adaptability of your automation infrastructure.Order NowSecure your industrial automation systems with the Allen-Bradley 1785-M100/A EEPROM Memory Module. Benefit from fast shipping.FAQWhat is the primary function of the Allen-Bradley 1785-M100/A module?The 1785-M100/A module serves as an EEPROM memory module, providing 100K words of non-volatile storage for critical control programs in Allen-Bradley PLC-5 systems, safeguarding against data loss during power interruptions.Which PLC-5 controllers are compatible with this module?This module is engineered for seamless integration with both Enhanced PLC-5 and Ethernet PLC-5 programmable controllers.How does this module contribute to system recovery?By securely storing critical control programs, the 1785-M100/A enables rapid restoration of operations after any unexpected system interruption, minimizing downtime.Is installation of the 1785-M100/A complex?No, the module features a plug-and-play design, allowing for effortless mounting within your existing PLC-5 controllers, which minimizes installation time and complexity.

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PRODUCT DETAILS

Allen-Bradley 1785-M100/A

Overview

This is a genuine Allen-Bradley component from the PLC-5 Platform (Legacy) family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem
  • Engineered to integrate inside PLC-5 Platform (Legacy) installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes for the PLC-5 Platform (Legacy) family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model: 1785-M100/A
  • Series: A
  • Memory Type: EEPROM (Electrically Erasable Programmable Read-Only Memory)
  • Storage Capacity: 100K Words
  • Compatibility: Designed for use with Enhanced PLC-5 & Ethernet PLC-5 Controllers
  • Mounting Type: Internal Module for PLC-5 chassis

Applications

  • Industrial Automation & Process Control: Ensures secure, efficient, and continuous data retention for critical operational sequences.
  • Machine & Equipment Operation: Provides stable program storage for the precise and dependable functioning of intricate machinery.
  • SCADA & Remote Monitoring: Supports real-time data backup and program integrity, essential for distributed control systems.
  • Manufacturing & Production: Actively shields vital PLC programs from unexpected failures, preserving production schedules.
  • Critical Infrastructure: Perfect for situations where data loss could lead to significant operational or safety consequences.
  • Retrofit and Upgrade Projects: A robust option for improving the memory capabilities and extending the lifespan of current PLC-5 systems.

Why Choose the 1785-M100/A?

Unmatched Data Security

Rely on Allen-Bradley's proven EEPROM technology to prevent program loss during power outages, ensuring uninterrupted operation.

Generous 100K Word Capacity

Offers ample space for storing complex and data-intensive automation programs, supporting sophisticated control strategies.

Seamless Integration & Ease of Use

The plug-and-play design simplifies installation and integration into existing Enhanced & Ethernet PLC-5 systems, reducing setup time.

Legendary Allen-Bradley Quality

Invest in a product backed by a brand renowned for its industrial durability, reliability, and precision engineering, guaranteeing long-term performance.

Optimized for PLC-5 Performance

Specifically designed to complement the architecture of PLC-5 controllers, ensuring optimal function and extended system life.

Future-Proof Your Operations

Provides a robust memory solution that enhances the resilience and adaptability of your automation infrastructure.

Availability & Shipping

  • In stock: 1785-M100/A ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 1785-M100/A ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1785-M100/A module serves as an EEPROM memory module, providing 100K words of non-volatile storage for critical control programs in Allen-Bradley PLC-5 systems, safeguarding against data loss during power interruptions.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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