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Allen-Bradley 1785-L80B
by Allen-Bradley
Read verified buyer reviews ↓OverviewExperience superior performance within your industrial control setups with the Allen-Bradley 1785-L80B PLC-5/80 Processor. This high-capacity programmable logic controller is precisely engineered for challenging tasks, providing a strong combination of memory, extensive input/output capabilities, and flexible communication choices. Designed to be the central component of large automation initiatives, the 1785-L80B guarantees fast data processing and smooth integration across complex industrial settings. Its established dependability and advanced features make it an essential asset for facilities aiming for operational excellence and maximum output.Key Features Generous 100K Word SRAM: Supplies substantial memory for intricate programs and data, ensuring efficient operation of advanced control applications. Substantial 3072 Total I/O Capacity: Accommodates a wide range of input and output devices, making it suitable for systems with extensive sensing and actuation requirements. Four DH+/Remote I/O Channels: Facilitates high-speed and dependable communication throughout distributed control infrastructures, reducing latency and boosting system responsiveness. Integrated RS-232 Port: Offers a versatile serial communication option for connecting to different peripherals, programming tools, or other control components. Effortless PLC-5 Chassis Compatibility: Designed for straightforward integration into existing PLC-5 rack setups, ensuring a seamless upgrade path and simplifying installation. Supports RSLogix 5 Programming Software: Utilizes the intuitive and powerful RSLogix 5 environment for efficient program development, troubleshooting, and maintenance. Robust Design for Series D Reliability: Constructed to endure harsh industrial environments, providing long-term stability and consistent performance in critical applications. Technical Specifications Model: 1785-L80B Processor Type: PLC-5/80 Memory Type: SRAM (Static Random-Access Memory) Memory Capacity: 100K Words Total I/O Capacity: 3072 Inputs + 3072 Outputs Analog I/O Capacity: 3072 Channels Communication Ports: 4 x DH+ / Remote I/O Channels 1 x RS-232 Port Backplane Compatibility: PLC-5 Chassis Programming Software: RSLogix 5 Series: D Applications Large-Scale Industrial Automation: Perfectly suited for managing complex and extensive automation systems with high I/O counts, ensuring precise control and synchronization. Manufacturing & Process Control: Ideal for critical manufacturing processes, including assembly lines, material handling, and chemical processing, where real-time control is paramount. Distributed Control Systems (DCS): Enables advanced networked control architectures, facilitating efficient data exchange and coordinated operation across multiple control nodes. Power Generation & Distribution: Provides reliable control for power plants, substations, and energy management systems, enhancing operational efficiency and safety. Water and Wastewater Treatment: Offers robust control solutions for complex water treatment facilities, managing pumping, filtration, and chemical dosing processes. Automotive Assembly Plants: Supports highly automated production lines, ensuring precision and speed in robotic assembly and quality control operations. Why ChooseThis processor is specifically designed for rapid execution of control logic, minimizing delays and enhancing the responsiveness of your automated systems. With 3072 total I/O capacity, this processor allows for significant expansion and adaptation to evolving control requirements, safeguarding your investment. Benefit from a time-tested and reliable communication protocol that ensures secure and efficient data exchange across your entire control network. As part of the Allen-Bradley legacy, the 1785-L80B is built to endure challenging industrial environments, providing sustained performance.Order NowUpgrade your industrial control systems today with the Allen-Bradley 1785-L80B PLC-5/80 Processor. Contact Palm Parts Solution to learn more or to place your order.FAQWhat is the memory capacity of the 1785-L80B processor?The 1785-L80B processor features 100K words of SRAM memory, allowing for ample storage of programs and data in complex applications.What communication options does this processor offer?It includes four DH+/Remote I/O channels and one RS-232 port, providing versatile connectivity for various industrial communication needs.Is the 1785-L80B compatible with existing PLC-5 systems?Yes, it is designed for seamless integration into existing PLC-5 chassis, ensuring a smooth upgrade path.Which software is used for programming the 1785-L80B?The processor is programmed using the RSLogix 5 software, offering a powerful environment for development and maintenance.What kind of applications is this processor best suited for?It is ideally suited for large-scale industrial automation, manufacturing, process control, distributed control systems, power generation, water treatment, and automotive assembly plants.
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Allen-Bradley 1785-L80B
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:
- Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- 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-L80B
- Processor Type: PLC-5/80
- Memory Type: SRAM (Static Random-Access Memory)
- Memory Capacity: 100K Words
- Total I/O Capacity: 3072 Inputs + 3072 Outputs
- Analog I/O Capacity: 3072 Channels
-
Communication Ports:
- 4 x DH+ / Remote I/O Channels
- 1 x RS-232 Port
- Backplane Compatibility: PLC-5 Chassis
- Programming Software: RSLogix 5
- Series: D
Applications
- Large-Scale Industrial Automation: Perfectly suited for managing complex and extensive automation systems with high I/O counts, ensuring precise control and synchronization.
- Manufacturing & Process Control: Ideal for critical manufacturing processes, including assembly lines, material handling, and chemical processing, where real-time control is paramount.
- Distributed Control Systems (DCS): Enables advanced networked control architectures, facilitating efficient data exchange and coordinated operation across multiple control nodes.
- Power Generation & Distribution: Provides reliable control for power plants, substations, and energy management systems, enhancing operational efficiency and safety.
- Water and Wastewater Treatment: Offers robust control solutions for complex water treatment facilities, managing pumping, filtration, and chemical dosing processes.
- Automotive Assembly Plants: Supports highly automated production lines, ensuring precision and speed in robotic assembly and quality control operations.
Why Choose the 1785-L80B?
This processor is specifically designed for rapid execution of control logic, minimizing delays and enhancing the responsiveness of your automated systems. With 3072 total I/O capacity, this processor allows for significant expansion and adaptation to evolving control requirements, safeguarding your investment. Benefit from a time-tested and reliable communication protocol that ensures secure and efficient data exchange across your entire control network. As part of the Allen-Bradley legacy, the 1785-L80B is built to endure challenging industrial environments, providing sustained performance.
Availability & Shipping
- ▸In stock: 1785-L80B 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-L80B ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
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.