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      1785-L40E

      PROCESSOR MODULE

      Product Information

      Product Describe

      DISCONTINUED BY MANUFACTURER

      PROCESSOR MODULE

      PLC-5/40 CPU

      • Manufacturer:
        Allen-Bradley
      • Product Category:
        PLC System
      • Estimated shipping dimensions:
        4.8x16.7x27.4cm
      • Weight:
        1.38 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        USA
      • Place of shipment:
        Xiamen, Fujian, China
      • Battery:
        1770-XYC
      • Memory:
        48 KWords
      • Power Dissipation:
        17.3W
      • Backplane current load:
        3.3A
      • Max User Memory Words:
        48 Kilowords
      • Max I/O Chassis Total:
        61
      • Max I/O Chassis Universal Remote:
        60
      • Maximum number of I/O per link:
        32
      • Stock:
        30
      By purchasing this item, you agree to the Terms & Conditions
      Moore Automated is NOT an authorized distributor of Allen-Bradley
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      1-year warranty

      All our products come with a 1-year warranty for your peace of mind.

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      Moore Automated is not an authorized distributor, reseller or representative of the products featured on this website.
      All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.
      Learn More Policy
      Manuals
      1785-L40E.pdf
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          FAQ

          • What memory and program storage capabilities distinguish the 1785‑L40E from other PLC‑5 processors?
            The 1785‑L40E incorporates 48 K words of battery‑backed static RAM, supporting sizable program logic and data storage for complex control tasks. It also accommodates optional EEPROM or backup memory modules (e.g., 1785‑ME16/ME32/ME64/M100) for non‑volatile retention.
          • How does the 1785‑L40E integrate with modern industrial networks and communication protocols?
            The 1785‑L40E includes a dedicated 10/100 Mbps Ethernet/IP port, enabling high‑speed peer‑to‑peer communication and integration with industrial networks, as well as legacy communication through DH+ (Data Highway Plus) and a configurable RS‑232/422/423 serial port for flexible connectivity.
          • What I/O capacity does the 1785‑L40E support, and how does this impact system scalability?
            The 1785‑L40E supports up to 2,048 total I/O points (any mix) or up to 2,048 inputs plus 2,048 outputs in complementary mode, and can manage up to 61 total I/O chassis (1 local + 60 remote), enabling extensive distributed I/O deployments.
          • How does the 1785‑L40E handle real‑time I/O scanning and performance demands?
            The 1785‑L40E offers configurable scan times, typically 10 ms per I/O rack at 57.6 kbps, 7 ms at 115.2 kbps, and 3 ms at 230.4 kbps, enabling responsive I/O update cycles tailored to network and performance requirements.

          • 20 Years of Excellence in Industrial Automation Supply

            For over 20 years, Moore Automated has been a trusted leader in the industrial automation supply industry. As a dependable automation parts supplier, we’ve expanded our product lines, grown a global customer base, and earned repeated recognition as a Most Trusted and Reliable Supplier Award.

            Our long-standing success reflects our commitment to quality, reliability, and customer satisfaction. Whether you’re sourcing hard-to-find components or need expert repairs, Moore Automated stands out among industrial automation parts suppliers for our experience, service, and unbeatable 1-year warranty.

          • Unbeatable 1-Year Warranty on Industrial Automation Parts

            When it comes to industrial automation supply, Moore Automated leads the way with exceptional quality and reliability. All of our PLC, DCS spare parts and repair services are backed by an unbeatable 1-year warranty, giving you the confidence you deserve when choosing an automation parts supplier.

            As one of the most trusted industrial automation parts suppliers, we understand the importance of dependable performance. That’s why we go beyond industry standards—offering a 1-year warranty that outperforms typical coverage. Whether you’re replacing obsolete components or maintaining critical systems, Moore Automated provides the high-quality parts and expert repairs you need.


            Choose Moore Automated

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            Downtime can cost you time and money—Moore Automated is here to help. As a reliable automation parts supplier, we offer emergency shipping to get critical components to you fast and minimize disruptions.

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            Need it now? Count on Moore Automated for fast, dependable emergency delivery backed by our unbeatable 1-year warranty.

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