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Allen-Bradley 1785-L40L PLC-5/40L processor module for industrial automation systems

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Allen-Bradley 1785-L40L

by Allen-Bradley

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OverviewThe Allen-Bradley 1785-L40L is a high-performance PLC-5/40L processor, meticulously engineered for the demanding world of large-scale industrial automation and advanced process control. This processor delivers exceptional reliability and efficiency. Its extended local I/O support and substantial 48K Word SRAM memory enable it to manage intricate automation programs and extensive data sets with ease. Enhanced with Series E technology, the 1785-L40L ensures superior operation, increased expandability, and effortless integration within existing PLC-5 chassis. Its sturdy construction and rapid processing capabilities make it essential for real-time industrial applications where precision and consistent oversight are critical. Discover the operational impact and system stability provided by this advanced Allen-Bradley processor.Key Features 48K Word SRAM Memory: Accommodates a broad spectrum of sophisticated automation programs and significant data storage requirements. Extended Local I/O Support: Maximizes connectivity and expands system capacity for diverse industrial configurations. Series E Processor Enhancements: Delivers improved dependability, elevated output, and an extended operational lifespan. PLC-5 Platform Compatibility: Guarantees seamless integration and interoperability with existing Allen-Bradley PLC-5 setups. High-Speed Processing: Optimized for critical real-time industrial control, ensuring rapid response times and efficient operation. Rugged Industrial Design: Constructed to endure challenging automation environments, ensuring lasting durability and steady functionality. UL, CE, RoHS Certifications: Confirms adherence to international safety and environmental benchmarks. Technical Specifications Model: 1785-L40L Series: E Processor Type: PLC-5/40L Memory: 48K Word SRAM Extended Local I/O Support: Yes Communication Ports: Local I/O & Remote I/O Compatibility Mounting: PLC-5 Chassis-Based Certifications: UL, CE, RoHS Applications Manufacturing & Process Control: Enhances efficiency and ensures dependable, automated production lines across various sectors. SCADA & Distributed Control Systems (DCS): Facilitates high-speed communication and robust data acquisition for extensive control networks. Material Handling & Conveyor Systems: Optimizes logistics and throughput in warehousing, distribution, and assembly operations. Energy & Utility Management: Supports large-scale industrial automation needs for power generation, distribution, and environmental regulation. Factory & Industrial Automation: Provides high-performance control capabilities for a wide range of industrial machinery and processes. Water and Wastewater Treatment: Ensures precise control and monitoring of intricate water management systems. Why Choose This Model? Unrivaled Reliability: The Series E improvements offer a robust and trustworthy control solution for continuous industrial operations. Superior Performance: With its 48K Word SRAM and rapid processing, the 1785-L40L effortlessly handles complex tasks. Effortless Integration: Designed for complete compatibility with the PLC-5 platform, simplifying system upgrades and expansions. Enhanced Scalability: Extended local I/O support allows for increased flexibility and growth within your automation infrastructure. Future-Proof Your Operations: Invest in a proven technology platform that consistently delivers results and long-term value. Global Industry Standard: Allen-Bradley's reputation for quality guarantees a premier solution deployment. Order NowElevate your industrial control systems with the Allen-Bradley 1785-L40L PLC-5/40L processor for enhanced performance and reliability. Take advantage of our swift shipping and global delivery options. Explore our extensive selection of PLC-5 Programmable Controllers to find the perfect solution for your specific requirements.FAQWhat is the memory capacity of the 1785-L40L processor?The 1785-L40L processor is equipped with 48K Word SRAM memory, allowing it to handle extensive automation programs and data sets.Is this processor compatible with existing PLC-5 systems?Yes, the 1785-L40L is explicitly designed for seamless integration and interoperability within existing Allen-Bradley PLC-5 chassis systems.What are the benefits of Series E enhancements?Series E enhancements provide improved reliability, enhanced performance, and an extended operational lifespan for the processor.Can this processor handle complex industrial control applications?Absolutely, its high-speed processing and robust design make it ideal for critical real-time industrial applications requiring precision and consistent control.What certifications does the 1785-L40L hold?The 1785-L40L processor holds UL, CE, and RoHS certifications, ensuring compliance with international safety and environmental standards.

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$3,628.00
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PRODUCT DETAILS

Allen-Bradley 1785-L40L

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-L40L
  • Series: E
  • Processor Type: PLC-5/40L
  • Memory: 48K Word SRAM
  • Extended Local I/O Support: Yes
  • Communication Ports: Local I/O & Remote I/O Compatibility
  • Mounting: PLC-5 Chassis-Based
  • Certifications: UL, CE, RoHS

Applications

  • Manufacturing & Process Control: Enhances efficiency and ensures dependable, automated production lines across various sectors.
  • SCADA & Distributed Control Systems (DCS): Facilitates high-speed communication and robust data acquisition for extensive control networks.
  • Material Handling & Conveyor Systems: Optimizes logistics and throughput in warehousing, distribution, and assembly operations.
  • Energy & Utility Management: Supports large-scale industrial automation needs for power generation, distribution, and environmental regulation.
  • Factory & Industrial Automation: Provides high-performance control capabilities for a wide range of industrial machinery and processes.
  • Water and Wastewater Treatment: Ensures precise control and monitoring of intricate water management systems.

Why Choose the 1785-L40L?

  • Unrivaled Reliability: The Series E improvements offer a robust and trustworthy control solution for continuous industrial operations.
  • Superior Performance: With its 48K Word SRAM and rapid processing, the 1785-L40L effortlessly handles complex tasks.
  • Effortless Integration: Designed for complete compatibility with the PLC-5 platform, simplifying system upgrades and expansions.
  • Enhanced Scalability: Extended local I/O support allows for increased flexibility and growth within your automation infrastructure.
  • Future-Proof Your Operations: Invest in a proven technology platform that consistently delivers results and long-term value.
  • Global Industry Standard: Allen-Bradley's reputation for quality guarantees a premier solution deployment.

Availability & Shipping

  • In stock: 1785-L40L 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-L40L ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1785-L40L processor is equipped with 48K Word SRAM memory, allowing it to handle extensive automation programs and data sets.

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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Independent Supplier Notice

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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