Allen-Bradley

1756-L85E - 40MB ControlLogix 5580 PLC | Allen-Bradley

Teilenummer: 1756-L85E ✓ Aktiv
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Industrial rack-mounted module Package 40 MB Memory
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Preis aktualisiert: 2026-10-20
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1756-L85E Übersicht

The Allen-Bradley 1756-L85E is a ControlLogix 5580 programmable logic controller with 40 MB of user memory, a USB port, one 1 Gb embedded Ethernet port, support for up to 300 EtherNet/IP devices, and a four-character alphanumeric display. It belongs to the Allen-Bradley ControlLogix family and is intended for industrial machine control, factory automation, process control, and networked manufacturing equipment. The processor combines structured logic, motion, communications, and EtherNet/IP connectivity in one controller platform.

A programmable logic controller, or PLC, is an industrial computer that executes user-defined control logic and coordinates sensors, actuators, drives, safety systems, and factory communications. The ControlLogix platform provides shared memory and a modular architecture, allowing designers to configure a controller for deterministic machine automation rather than a simple standalone relay sequence. The 1756-L85E is suited to applications requiring substantial program and data capacity together with embedded network connectivity.

The verified product data identifies 40 MB user memory, one USB port, one 1 Gb Ethernet port, support for 300 EtherNet/IP devices, and a four-character alpha/numeric display. The USB port provides a convenient connection point for compatible engineering, maintenance, or device services, while the Ethernet port supports industrial network integration. The display gives technicians basic visible status information without requiring a separate local interface.

ControlLogix controllers are used when an automation system needs more than basic discrete I/O. Typical machine builders use the platform for sequencing conveyors, coordinating variable-frequency drives, handling analog process variables, and communicating with remote I/O or operator-interface devices. EtherNet/IP connectivity allows the controller to participate in industrial networks carrying coordinated control and diagnostic information rather than operating only as an isolated controller.

System design should account for the 1756 chassis, compatible 1756 I/O modules, power supply, network configuration, controller capacity, firmware selection, and required expansion modules. Firmware availability is an important lifecycle consideration because controller, service-tool, and network compatibility can depend on the installed firmware release. The manufacturer product page lists firmware for the 1756-L85E, including version information shown in the verified source.

This page combines the verified Rockwell Automation product and distributor information with practical selection guidance. It emphasizes the controller's verified capacity, connectivity, communication scale, and industrial-control role while avoiding unsupported electrical, environmental, or mechanical claims. Confirm current pricing, stock, firmware, and system compatibility with Rockwell Automation or an authorized distributor before purchasing or replacing an installed processor.

Drop-in-Alternativen für 1756-L85E – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.

Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:

1756-L85ES

✅ Drop-In
📦 1756 ControlLogix rack module
GuardLogix safety controller adds 3 MB safety memory versus the standard 40 MB controller; functional safety behavior and memory partition differ

📋 Referenzalternative (nicht im Katalog)

1756-L85E-NSE

✅ Drop-In
📦 1756 ControlLogix rack module
NSE XT controller variant; verified data does not establish identical electrical, environmental, or lifecycle ratings

📋 Referenzalternative (nicht im Katalog)

1756-L85E Grenzwerte & elektrische Eigenschaften

Product Type ControlLogix 5580 programmable logic controller
User Memory 40 MB
USB Port 1 port
Embedded Ethernet Port 1 port, 1 Gb
EtherNet/IP Device Capacity 300 devices
Display 4-character alpha/numeric
Controller Series ControlLogix 5580
Manufacturer Allen-Bradley / Rockwell Automation
Processor Technology Industrial programmable automation controller
Communication Protocol EtherNet/IP
System Platform 1756 ControlLogix
Firmware Information Manufacturer product page lists firmware versions for 1756-L85E
Gehäuse Industrial rack-mounted module

1756-L85E industrial rack-mounted module Pinbelegungsleitfaden

Pinbelegung für 1756-L85E (industrial rack-mounted module-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.

Pinbelegungsdiagramm für 1756-L85E im industrial rack-mounted module-Gehäuse

Keine detaillierten Pinbelegungsdaten verfügbar für 1756-L85E.

Siehe die Datenblatt für die vollständige Pin-Konfiguration.

Typische Anwendungen

1756-L85E ist geeignet für 7 Anwendungs: Industrial Production-Line Control, Machine Sequencing and Conveyor Automation, Process and Factory Network Integration, Variable-Frequency Drive and Motion Coordination, Water and Utility Automation, Remote I/O and Distributed Machine Control, Packaging and Material-Handling Machinery.

🏭

Industrial Production-Line Control

The 1756-L85E is appropriate for coordinating automated production lines because its verified 40 MB user memory supports substantial ControlLogix programs and data structures. Its one 1 Gb Ethernet port can participate in EtherNet/IP communications for compatible line devices, while the listed capacity of 300 EtherNet/IP devices supports larger networked architectures. Install it in a compatible 1756 chassis with the required I/O modules and configure the controller, drives, sensors, and safety functions through the appropriate Rockwell Automation engineering workflow.

⚙️

Machine Sequencing and Conveyor Automation

Use the 1756-L85E when a conveyor or machine requires centralized sequencing, status logic, and industrial-network visibility. The controller's 40 MB user memory provides room for structured logic and machine data, while its USB port supports compatible local engineering or service workflows. The four-character alpha/numeric display offers basic controller identification, but detailed operator functions should be implemented through compatible HMI hardware. Validate conveyor safety interlocks separately from standard machine sequencing.

🌐

Process and Factory Network Integration

The 1756-L85E fits factory systems that need programmable control plus EtherNet/IP communications. Its verified 1 Gb embedded Ethernet port supports connection to compatible industrial equipment, and the listed capacity of 300 EtherNet/IP devices provides a defined scale for network planning. Actual throughput and device behavior depend on network topology, traffic, controller workload, and device specifications. Commission the network with Rockwell Automation tools and verify address, bandwidth, and diagnostic requirements before production use.

🏗️

Variable-Frequency Drive and Motion Coordination

The 1756-L85E can serve as the programmable control platform for machines coordinating drives and motion-related I/O. Its 40 MB user memory allows more complex sequencing and data handling than a minimal controller, while the Ethernet port supports communications with compatible network devices. Motion performance is determined by the selected drive family, network configuration, control task design, and I/O update rates, so the controller should not be treated as a stand-alone motor drive. Validate axis tuning, stopping behavior, and safety functions as a complete system.

💧

Water and Utility Automation

The 1756-L85E is suitable for water, wastewater, and utility automation when the installation requires centralized control, remote I/O, and EtherNet/IP connectivity. The controller can coordinate pump sequencing, tank-level signals, alarms, and communications through a compatible 1756 system. Its four-character display is useful for basic identification, while detailed operator functions require an appropriate HMI. Environmental ratings, surge protection, cabinet temperature control, and network security must be designed separately for the deployment site.

📡

Remote I/O and Distributed Machine Control

The 1756-L85E can serve as the central controller in a distributed machine architecture using compatible 1756 and EtherNet/IP equipment. Its listed support for up to 300 EtherNet/IP devices provides a useful planning figure for network scale, while its 1 Gb Ethernet port supports connected industrial communication. Remote I/O topology, device limits, cable routing, network performance, and fault response must be validated together. The controller should be installed and maintained in an appropriately engineered control cabinet.

📦

Packaging and Material-Handling Machinery

The 1756-L85E is a useful controller for packaging and material-handling equipment that combines sequencing, field I/O, and factory communications. The 40 MB user memory supports structured application logic, and the embedded Ethernet port can connect compatible HMI, drive, remote I/O, or diagnostic equipment. Configure scan rates and network traffic for the machine's actual cycle requirements rather than relying on nominal capacity alone. Include guarding, emergency-stop functions, and safety-rated controls in the machine risk assessment.

Zusammenfassung der empfohlenen Produkte

1756-IB32 Compatible 1756 digital input module Verwendet in: Industrial Production-Line Control, Process and Factory Network Integration, Water and Utility Automation, Remote I/O and Distributed Machine Control, Packaging and Material-Handling Machinery 1756-OB32 Compatible 1756 digital output module Verwendet in: Industrial Production-Line Control, Process and Factory Network Integration, Remote I/O and Distributed Machine Control, Packaging and Material-Handling Machinery 1756-ENBT EtherNet/IP network interface family Verwendet in: Industrial Production-Line Control, Machine Sequencing and Conveyor Automation, Process and Factory Network Integration, Variable-Frequency Drive and Motion Coordination, Remote I/O and Distributed Machine Control, Packaging and Material-Handling Machinery 1756-IF4 Analog input family for process and feedback signals Verwendet in: Machine Sequencing and Conveyor Automation, Variable-Frequency Drive and Motion Coordination, Water and Utility Automation 1756-OF2 Analog output family for controlled actuators Verwendet in: Machine Sequencing and Conveyor Automation, Variable-Frequency Drive and Motion Coordination, Water and Utility Automation
What is the Allen-Bradley 1756-L85E controller?
The Allen-Bradley 1756-L85E is a ControlLogix 5580 programmable logic controller for industrial automation. According to the Rockwell Automation product data, it provides 40 MB of user memory, one USB port, one 1 Gb Ethernet port, support for 300 EtherNet/IP devices, and a four-character alpha/numeric display. It is used in machine-control, factory-automation, and networked manufacturing systems where modular ControlLogix I/O and EtherNet/IP integration are required.
How much user memory does the 1756-L85E have?
The 1756-L85E has 40 MB of user memory, according to the Rockwell Automation product-page snippet and the distributor specifications. This capacity supports larger control programs, data structures, and industrial automation applications beyond a small fixed PLC. Memory requirements still depend on the project, I/O configuration, communications load, retained data, and firmware environment, so engineers should validate the complete project configuration before replacement or upgrade.
What connectivity does the 1756-L85E provide?
The verified specifications identify one USB port and one 1 Gb embedded Ethernet port. The Ethernet connection supports EtherNet/IP industrial networking, while the listed capacity supports up to 300 EtherNet/IP devices. These connections allow the controller to participate in machine networks, communicate with compatible industrial equipment, and use compatible service or engineering connections. Actual network performance depends on topology, switches, device capabilities, traffic, and system configuration.
Can the 1756-L85E replace another ControlLogix processor?
The 1756-L85E may be a candidate for replacement of a compatible ControlLogix processor, but only after verifying memory capacity, chassis compatibility, I/O configuration, firmware, communications, program dependencies, and safety requirements. The verified sources identify it as a ControlLogix 5580 controller but do not establish a universal drop-in replacement for every 1756 processor. Treat it as a system-level industrial replacement requiring engineering validation rather than an unqualified pin-compatible substitute.
Where can I download the 1756-L85E datasheet and technical documentation?
The official Rockwell Automation product page is available at https://www.rockwellautomation.com/en-us/products/details.1756-L85E.html, and the verified ControlLogix and GuardLogix technical-data PDF is available at https://literature.rockwellautomation.com/idc/groups/literature/documents/td/1756-td001_-en-p.pdf. The product page provides model-specific information, while the technical-data document provides platform-level specifications and system guidance. Verify the document revision and compatibility information before using either source for design approval.
Where can I find the 1756-L85E pinout and installation information?
The supplied verification does not provide a public device pinout for the 1756-L85E, which is a rack-mounted industrial automation module rather than a conventional semiconductor package. Use the Rockwell Automation product page, installation instructions, and ControlLogix technical documentation for connector, chassis, power, and wiring information. Do not infer terminal assignments from the model number or distributor listings. Confirm the exact installation instructions for the installed chassis and expansion configuration.
What applications use the 1756-L85E?
The 1756-L85E is suitable for industrial machine control, production-line automation, process-control systems, networked I/O, and equipment requiring substantial controller memory. Its 40 MB user memory, USB port, 1 Gb Ethernet port, and support for 300 EtherNet/IP devices allow it to coordinate programmable logic and industrial communications. It is also appropriate for systems where a ControlLogix 5580 processor is already selected and the associated 1756 I/O and network architecture are available.
Is the 1756-L85E suitable for EtherNet/IP factory networks?
Yes, the verified product data specifically identifies an embedded 1 Gb Ethernet port and support for 300 EtherNet/IP devices, making it appropriate for compatible EtherNet/IP factory networks. The number describes listed device capacity, not guaranteed application throughput. Network loading, topology, switch design, device behavior, diagnostics, and controller workload can affect performance. Validate the complete network design with Rockwell Automation configuration tools and the relevant device documentation.
What is the difference between 1756-L85E and 1756-L85ES?
The verified 1756-L85E data identifies a standard ControlLogix 5580 controller with 40 MB of user memory, while the 1756-L85ES listing identifies a GuardLogix 5580 safety controller with 40 MB standard memory and 3 MB safety memory. The GuardLogix model therefore represents a different safety-capable product family and is not automatically interchangeable with the standard 1756-L85E. Safety requirements, validation, memory partition, program structure, and certification must be reviewed before substitution.
What is the best replacement for an unavailable 1756-L85E?
The verified replacement data does not establish a universal drop-in replacement for the 1756-L85E. Rockwell Automation compatibility tools and the manufacturer product page should be used to identify a valid ControlLogix 5580 replacement, while engineering review must confirm memory, firmware, chassis, I/O, communications, and application requirements. A controller with similar nominal capacity is not automatically safe to install because ControlLogix systems depend on configuration, communications, and functional behavior.
What is the price of the 1756-L85E?
A current unit price cannot be stated from the supplied verified data because the distributor snippets identify availability and comparison sources but do not provide a quoted numeric price. Prices as of 2026-10-21 must be confirmed through the manufacturer, an authorized distributor, or a current quote. Industrial PLC pricing can vary with quantity, warranty, firmware, sourcing channel, and system configuration. Use the official Rockwell Automation product page or a distributor quote for procurement.
Is the 1756-L85E in stock and what is its lead time?
The verified distributor result states that the 1756-L85E is available today and directs buyers to request a quote, but the supplied data does not establish a firm stock quantity or numeric lead time. Availability and lead time as of 2026-10-21 should therefore be confirmed directly with the seller. Industrial automation inventory can change rapidly, and a listing that indicates availability does not guarantee allocation for every order quantity or delivery location.
How much current does the 1756-L85E require?
The supplied distributor snippet lists the 1756-L85E as a 5580 ControlLogix controller with 5 mA and 1.2 A, but it does not identify the electrical rails, measurement conditions, or whether the values are typical, maximum, or system-dependent. Use the manufacturer technical data for authoritative supply-current and power requirements before designing a chassis, selecting a power supply, or calculating thermal load. Do not treat the snippet values as a substitute for installation guidance.
Which firmware should be used with the 1756-L85E?
The verified Rockwell Automation product-page snippet lists firmware for the 1756-L85E, including version V29.011 and another listed firmware entry, but it does not establish compatibility for every existing ControlLogix project. Select firmware based on the current Rockwell Automation compatibility guidance, the installed ControlLogix configuration, connected modules, and service-tool requirements. Back up the controller project before changes and validate the upgraded system before returning it to production.
Does the 1756-L85E provide a local operator display?
Yes, the verified product data identifies a four-character alpha/numeric display on the 1756-L85E. This provides basic local status visibility and is not equivalent to a full operator interface. Engineers needing application-specific diagnostics, parameter editing, or process visualization generally use compatible operator-interface hardware and ControlLogix engineering software. The display characteristics and available indicators should be confirmed in the manufacturer technical documentation.
How should engineers select a ControlLogix 5580 controller?
Engineers should select a ControlLogix 5580 controller by matching program and data-memory needs, chassis capacity, I/O modules, network requirements, firmware, environmental limits, and lifecycle support. For the 1756-L85E, the verified starting points are 40 MB user memory, one USB port, one 1 Gb Ethernet port, support for 300 EtherNet/IP devices, and a four-character alpha/numeric display. Those specifications describe the controller, not the complete system; final selection requires project sizing and manufacturer compatibility review.
Can the 1756-L85E be used in a GuardLogix safety system?
The standard 1756-L85E should not be treated as a direct GuardLogix safety-controller substitute based on the supplied data. The verified 1756-L85ES listing identifies GuardLogix 5580 safety capability and separate safety memory, while the 1756-L85E is identified as a standard ControlLogix 5580 controller. Safety applications require the appropriate safety-rated model, validated safety program, risk assessment, functional testing, and compliance with the applicable safety requirements.
What is the difference between the 1756-L85E and 1756-L85E-NSE?
The verified data identifies the 1756-L85E as a standard ControlLogix 5580 controller and separately identifies 1756-L85E-NSE as a ControlLogix 5580 NSE XT controller. The supplied excerpts do not establish that these variants are drop-in replacements or identical in every installation, environmental, or lifecycle respect. Confirm the exact catalog number, chassis, temperature requirements, firmware, and system compatibility before interchange.

Technische Referenzdaten für 1756-L85E – Vergleich, Designhinweise und Compliance-Informationen.

Auswahlhilfe

Choose the 1756-L85E when a project specifically requires a standard Allen-Bradley ControlLogix 5580 processor and the verified design basis includes 40 MB user memory, USB connectivity, a 1 Gb embedded Ethernet port, and support for 300 EtherNet/IP devices. It is suitable for machine sequencing, factory automation, process-control coordination, and distributed I/O systems. Consider 1756-L85ES only when the application requires a GuardLogix safety controller and the separate safety memory and safety-function requirements have been validated. Consider 1756-L85E-NSE when the NSE XT variant is required by the installation environment or system architecture, but verify its exact specifications before substitution. Neither alternative should be treated as automatically interchangeable: controller memory partitioning, firmware, chassis, environmental requirements, I/O, communications, and safety functions must be checked against the complete machine design.

Vergleich mit Alternativen

Parameter Dieses Produkt 1756-L85ES 1756-L85E-NSE
Product Type ControlLogix 5580 programmable logic controller GuardLogix 5580 safety controller ControlLogix 5580 NSE XT controller
Brand Allen-Bradley Allen-Bradley Allen-Bradley
Package 1756 ControlLogix rack module 1756 ControlLogix rack module 1756 ControlLogix rack module

Wichtigste Unterscheidungsmerkmale

  • ControlLogix 5580 standard controller with verified 40 MB user memory (vs. 1756-L85E-NSE)
  • Listed capacity of 300 EtherNet/IP devices (vs. 1756-L85ES)
  • Standard industrial controller versus safety-controller product family (vs. 1756-L85ES)
  • Embedded connectivity and local identification (vs. 1756-L85E-NSE)

Designhinweise

Before ordering or replacing the 1756-L85E, verify the complete ControlLogix system rather than comparing only the model number. Confirm chassis compatibility, power-supply requirements, installed I/O modules, program and data-memory requirements, firmware, communication modules, network topology, and the configured EtherNet/IP device count. The supplied sources identify 40 MB user memory and support for 300 EtherNet/IP devices, but those figures do not prove that every existing project will transfer without engineering review.

Treat firmware as part of the controller configuration. The verified Rockwell Automation product-page excerpt lists firmware releases for the 1756-L85E, including V29.011, but the excerpt does not establish universal compatibility for every project. Back up the controller and I/O configuration, identify the current firmware and connected module versions, review Rockwell Automation release notes, and test the upgraded program in a controlled environment before placing the controller back into production service.

Plan the 1 Gb Ethernet network and its attached EtherNet/IP devices as a complete engineered system. The verified capacity of 300 EtherNet/IP devices is a device-count specification, not a promise of unlimited throughput. Account for network traffic, device response times, switch capacity, topology, cable routing, redundancy where required, diagnostics, and controller workload. Use the manufacturer's configuration and validation tools to confirm that the selected equipment behaves correctly under the expected operating profile.

Do not treat a standard ControlLogix 1756-L85E listing as a safety-rated replacement for a GuardLogix application. The verified 1756-L85ES result identifies a GuardLogix 5580 safety controller with separate safety memory, so functional-safety requirements, memory partitioning, program structure, validation, and certification must be reviewed before substitution. Conduct the machine risk assessment and use the safety-rated model specified by that assessment.

Maintain controller visibility during commissioning and troubleshooting. The 1756-L85E provides a four-character alpha/numeric display for basic identification, while detailed diagnostics generally come from compatible ControlLogix engineering software and online monitoring tools. Record controller communications status, network faults, module state, and firmware information during maintenance. Avoid changing controller or network settings in an operating process without a documented rollback plan and tested recovery procedure.

Compliance-Informationen

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Bleifrei
Unknown
Halogenfrei
Unknown
Konfliktmineralien
Unknown

The supplied manufacturer and distributor excerpts identify the product and its ControlLogix/GuardLogix context but do not state RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. AEC-Q100 is not applicable to this industrial PLC product category.

Ähnliche Suchanfragen

1756-L85E 1756-L85E datasheet Allen-Bradley 1756-L85E ControlLogix 5580 40 MB controller 1756-L85E EtherNet/IP 300 devices 1756-L85E USB 1 Gb Ethernet 1756-L85E industrial PLC 1756-L85E replacement compatibility 1756-L85E vs 1756-L85ES 1756-L85E price and availability What can replace 1756-L85E? Where to download 1756-L85E PDF? 1756-L85E firmware V29.011 1756-L85E installation and pinout

Verwandte Bauteile & Begriffe

Allen-Bradley Rockwell Automation 1756-L85E 1756-L85ES 1756-L85E-NSE ControlLogix 5580 GuardLogix 5580 programmable logic controller industrial automation factory automation 40 MB user memory EtherNet/IP 1 Gb Ethernet 300 EtherNet/IP devices USB port four-character alpha/numeric display 1756 ControlLogix PLC industrial network variable-frequency drive remote I/O firmware manufacturing equipment rack-mounted module
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