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      Allen-Bradley 1756-L85E
      Allen-Bradley 1756-L85E
      Allen-Bradley 1756-L85E
      Allen-Bradley 1756-L85E
      Allen-Bradley 1756-L85E
      Allen-Bradley 1756-L85E

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      In Stock
      ControlLogix 40MB controller

      1756-L85E

      Spare Part Number

      PN1756L85E

      Product Information:

      controller is one of the standard

      controller models that is available

      from the ControlLogix 5580 product

      line in the Allen-Bradley ControlLogix series

      Product image is representative; revision or series may vary. Contact us to request a specific version.
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      Technical specifications for

      1756-L85E

      0 TECHNICAL PARAMETERS
      • Manufacturer:
        Allen-Bradley
      • Product Category:
        PLC and Machine Control
      • Spare Part Number:
        1756L85E
      • Estimated shipping dimensions:
        15.2 x 20.3 x 14.9 cm
      • Weight:
        2.1 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        USA
      • Place of shipment:
        Xiamen, Fujian, China
      • Module Type:
        Processor Module
      • Communications:
        USB, Ethernet
      • Communication Speed:
        12 MB-Second
      • USB Communication Speed:
        12 Mbps
      • Current Draw (5.1 Volts):
        1.2 amps
      • Power Dissipation:
        6.2 Watts
      • User Memory:
        4MB
      • Series:
        Allen-Bradley ControlLogix
      • Stock Availability:
        20
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      • 03

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      Manuals

      PRODUCT & ORDER FAQS

      Questions buyers ask about 1756-L85E

      • What distinguishes the 1756-L85E in the Allen-Bradley ControlLogix family regarding processing capabilities and system integration?

        The 1756-L85E is an enhanced Ethernet-enabled ControlLogix processor leveraging a high-performance 1.0 GHz dual-core architecture optimized for executing complex control algorithms, motion control, and data-intensive applications. Its integrated EtherNet/IP communication interface supports seamless multi-protocol networking, enabling deterministic real-time control and scalable system integration within industrial automation environments.

      • How does the 1756-L85E leverage embedded system memory and storage to optimize runtime execution and data logging?

        Equipped with 10 MB of user memory, the 1756-L85E supports large-scale application codebases and extensive data structures. Its onboard non-volatile flash memory preserves user programs and configuration data through power cycles. The controller also offers real-time buffering capabilities for efficient data logging, diagnostics, and trace functionalities critical to advanced process monitoring.

      • What are the critical communications protocols and interface features integrated within the 1756-L85E to facilitate multi-tiered industrial network architectures?

        The 1756-L85E incorporates an embedded EtherNet/IP port with a standard RJ-45 connector, supporting 10/100 Mbps auto-negotiation for network agility. It natively supports CIP (Common Industrial Protocol) for seamless interaction with remote I/O, HMI, and SCADA systems. Additionally, it provides integrated support for Device Level Ring (DLR) topologies to enhance network resiliency and reduce downtime.

      • What are the power supply requirements and thermal management specifications necessary for optimal 1756-L85E operation?

        The 1756-L85E operates from a 24 V DC power source, with a typical power consumption rating of approximately 25 W under nominal load conditions. The controller’s enclosure must maintain an ambient temperature range of 0°C to 60°C, with adequate ventilation or cooling provisions to prevent thermal throttling during sustained high-load processing tasks.

      • What scalability and modular expansion options does the 1756-L85E processor offer within ControlLogix chassis configurations?

        The 1756-L85E seamlessly integrates into ControlLogix chassis supporting up to 17 slots, allowing extensive I/O and communication module expansion. It accommodates a diverse array of digital, analog, safety, and motion control modules, enabling tailored configurations for complex automation requirements and future system growth.

      • What diagnostic and predictive maintenance features are incorporated into the 1756-L85E to support operational continuity?

        The 1756-L85E offers extensive built-in diagnostics, including CPU health monitoring, memory usage tracking, and communication status alerts. Its advanced Trace Buffer captures real-time event data for post-event analysis, enabling predictive maintenance strategies to preempt system failures and optimize uptime.
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          Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.

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