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Allen-Bradley 1769-L24ER-QBFC1B CompactLogix 5370 L2 Controller

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Allen-Bradley 1769-L24ER-QBFC1B

by Allen-Bradley

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OverviewUnlock powerful and efficient automation with the Allen-Bradley 1769-L24ER-QBFC1B CompactLogix 5370 L2 Controller. This comprehensive solution is crafted to optimize performance for various machines and modular systems, offering a robust platform for both discrete and continuous process control applications. Featuring 750KB of user memory and integrated digital and analog I/O, this controller minimizes complexity while maximizing functionality. Its dual Ethernet ports ensure smooth communication and network versatility, making it an excellent choice for modern industrial setups requiring an advanced, compact, and high-performance control system.The 1769-L24ER-QBFC1B excels by providing real-time control, enhanced EtherNet/IP communication for distributed architectures, and precise high-speed analog signal processing without the need for additional I/O modules. This not only streamlines your system architecture but also significantly reduces panel space and installation expenses.Key Features Integrated High-Capacity Memory: Equipped with 750KB of user memory, enabling the execution of complex logic, motion control, and sophisticated automation routines with ease. Versatile Built-In Digital I/O: Features 16 digital inputs (24V DC sink/source) and 16 digital outputs (24V DC sourcing) for comprehensive control over discrete devices and actuators. Precision Analog Capabilities: Includes 4 configurable analog inputs (voltage/current) and 2 configurable analog outputs (voltage/current), ideal for process control applications involving sensors and actuators. Advanced Dual Ethernet Ports: Provides two RJ45 (10/100 Mbps) Ethernet ports supporting Device-Level Ring (DLR) and linear topologies for resilient and flexible network connectivity. Expandable Architecture: Supports local expansion with up to 4 additional 1769 I/O modules, allowing for future growth and increased system complexity as your needs evolve. Seamless Data Management: An integrated SD card slot facilitates quick firmware updates and provides convenient backup/restore functionalities for critical system configurations. Compact & Robust Design: Optimized for DIN rail mounting and designed for harsh industrial environments with an operating temperature range of 0°C to +60°C. Technical Specifications Catalog Number: 1769-L24ER-QBFC1B Controller Series: CompactLogix 5370 L2 Memory: 750KB Digital Inputs: 16 (24V DC sink/source) Digital Outputs: 16 (24V DC sourcing) Analog Inputs: 4 (voltage/current configurable) Analog Outputs: 2 (voltage/current configurable) Ethernet Ports: 2 (RJ45, 10/100 Mbps) Expansion Support: Up to 4 local 1769 I/O modules Mounting: DIN rail Operating Temperature: 0°C to +60°C Weight: Approximately 1.1 kg Applications OEM and Machine Builders: Provides an all-in-one control solution with integrated analog and digital I/O, simplifying design and assembly for various specialized machinery. Process Control Systems: Ideal for applications requiring integrated analog support for precise control of parameters like flow, temperature, pressure, and level in diverse industrial processes. Distributed Control Architectures: Its built-in Ethernet capabilities and modular I/O options make it highly suitable for implementing distributed control systems, enhancing flexibility and scalability. Small to Mid-Sized Automation Projects: Perfectly suited for projects where space is at a premium and a robust, integrated control solution is required without the need for a large, complex PLC system. Material Handling Systems: Effectively manages and automates conveyors, robotics, and other material handling equipment with its blend of discrete and continuous control features. Why Choose This Model?This model offers both space and cost efficiency, with its integrated I/O functionality significantly reducing the need for external modules, saving valuable panel space and lowering overall system costs. It is perfectly optimized for mixed signals, expertly handling both digital and analog inputs and outputs.Order NowReady to enhance your automation capabilities? Order the Allen-Bradley 1769-L24ER-QBFC1B CompactLogix 5370 L2 Controller today and experience superior control and performance.FAQWhat is the memory capacity of the 1769-L24ER-QBFC1B controller?The controller comes with 750KB of user memory, which is ample for complex logic and automation routines.How many Ethernet ports does this controller have?It includes two RJ45 (10/100 Mbps) Ethernet ports that support DLR and linear topologies for robust network connectivity.Can this controller be expanded with additional I/O modules?Yes, it supports local expansion with up to 4 additional 1769 I/O modules.What is the operating temperature range for this device?The 1769-L24ER-QBFC1B is designed to operate in temperatures ranging from 0°C to +60°C.Is the 1769-L24ER-QBFC1B suitable for process control applications?Absolutely, with its configurable analog inputs and outputs, it is ideal for precise process control involving various sensors and actuators.

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PRODUCT DETAILS

Allen-Bradley 1769-L24ER-QBFC1B

Overview

This is a genuine Allen-Bradley component from the CompactLogix 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 CompactLogix 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 CompactLogix family

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

Technical Specifications

  • Catalog Number: 1769-L24ER-QBFC1B
  • Controller Series: CompactLogix 5370 L2
  • Memory: 750KB
  • Digital Inputs: 16 (24V DC sink/source)
  • Digital Outputs: 16 (24V DC sourcing)
  • Analog Inputs: 4 (voltage/current configurable)
  • Analog Outputs: 2 (voltage/current configurable)
  • Ethernet Ports: 2 (RJ45, 10/100 Mbps)
  • Expansion Support: Up to 4 local 1769 I/O modules
  • Mounting: DIN rail
  • Operating Temperature: 0°C to +60°C
  • Weight: Approximately 1.1 kg

Applications

  • OEM and Machine Builders: Provides an all-in-one control solution with integrated analog and digital I/O, simplifying design and assembly for various specialized machinery.
  • Process Control Systems: Ideal for applications requiring integrated analog support for precise control of parameters like flow, temperature, pressure, and level in diverse industrial processes.
  • Distributed Control Architectures: Its built-in Ethernet capabilities and modular I/O options make it highly suitable for implementing distributed control systems, enhancing flexibility and scalability.
  • Small to Mid-Sized Automation Projects: Perfectly suited for projects where space is at a premium and a robust, integrated control solution is required without the need for a large, complex PLC system.
  • Material Handling Systems: Effectively manages and automates conveyors, robotics, and other material handling equipment with its blend of discrete and continuous control features.

Why Choose the 1769-L24ER-QBFC1B?

This model offers both space and cost efficiency, with its integrated I/O functionality significantly reducing the need for external modules, saving valuable panel space and lowering overall system costs. It is perfectly optimized for mixed signals, expertly handling both digital and analog inputs and outputs.

Availability & Shipping

  • In stock: 1769-L24ER-QBFC1B 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 1769-L24ER-QBFC1B ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The controller comes with 750KB of user memory, which is ample for complex logic and automation routines.

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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