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1756-L82E

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For expandable standard automation, Allen-Bradley 1756-L82E supplies 5 MB ControlLogix 5580 execution with integrated EtherNet/IP connectivity.
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Technical specifications for 1756-L82E

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1756-L82E
  • Product Family:
    ControlLogix
  • Product Type:
    ControlLogix 5580 Controller
  • Stock:
    1
  • Product Series:
    ControlLogix 5580
  • User Memory:
    5 MB
  • EtherNet/IP Devices:
    80 with Studio 5000 v29; 175 with v30 or later
  • Integrated Ethernet:
    1 x 1 Gb EtherNet/IP port
  • Local Programming Port:
    1 x USB 2.0
  • Nonvolatile Storage:
    4 GB Secure Digital card (1784-SD4) preinstalled
  • Maximum Digital I/O:
    128,000 points
  • Maximum Analog I/O:
    4,000 points
  • Power Dissipation:
    6.2 W
  • Operating Temperature:
    0 to 60 °C in Series C chassis; 0 to 50 °C in Series B chassis
  • Weight:
    0.394 kg
  • Estimated shipping dimensions:
    3.46x14.55x14.01cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Data Exposure Node Growth Recovery Record Product Applications

Features:

  • Memory tier: 5 MB supports projects that exceed the entry 5580 allocation
  • Integrated network: one 1 Gb EtherNet/IP interface serves the standalone controller path
  • Data access: version 36 or later supports a published OPC UA node capacity
1756-L82E balances moderate application memory with a materially higher expansion path than the smallest standard 5580 controller.

1756-L82E can serve a standalone architecture or a qualified redundant design, but those two roles use different communication paths and motion boundaries.

1756-L82E procurement should connect the project revision, node inventory, redundancy intent, and SD-card recovery record to the exact supplied series and firmware.

Apter Power can review controller identity, official documents, redundancy scope, and quotation requirements for 1756-L82E.
Allen-Bradley 1756-L82E ControlLogix 5580 Controller Manuals, Datasheets, Links Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Version prerequisite: Logix Designer version 36 or later enables the published OPC UA capacity
  • Model boundary: up to 600 OPC UA nodes defines the data-model ceiling for this catalog
  • Engineering effect: namespace design and client demand should be validated with controller execution load
  • Version 29: the I/O configuration supports as many as 80 EtherNet/IP nodes
  • Version 30 onward: the published allowance increases to 175 EtherNet/IP nodes
  • Counting rule: only devices added directly to the controller's I/O tree consume this node allowance
  • Installed medium: a 4 GB 1784-SD4 card is supplied for nonvolatile storage
  • Controlled image: firmware, project revision, and load mode should identify one approved restore set
  • Service precaution: power and card removal must wait until SD activity has ended
  • Scalable control: standard Logix projects needing more memory and network growth than the entry catalog
  • Information integration: OPC UA data exposure on a supported version 36-or-later project
  • High availability: qualified redundant control where separate communication modules provide external network paths
Description
Positioned above the entry 5580 catalog, Allen-Bradley 1756-L82E supplies 5 MB of user memory and an integrated 1 Gb EtherNet/IP port for standard ControlLogix applications. It remains a one-slot controller and keeps local programming on the temporary USB service connection.

Network growth is a defining selection point for 1756-L82E. Rockwell Automation publishes one node allowance for Logix Designer version 29 and a larger allowance from version 30 onward, while version 36 or later also introduces a model-specific OPC UA node capacity for data exposure.

High-availability projects require a different architecture around 1756-L82E than standalone systems. A supported redundancy firmware baseline, paired chassis hardware, redundancy modules, and separate communication modules must be planned because the embedded Ethernet port is not the redundant-system network path.
Revisions

Revision Part #

Also known as

1756-L82E Series B
1756-L82E/B, Series B
Alternative Names
Allen-Bradley ControlLogix 5580 L82E Rockwell Automation 1756 L82E Processor ControlLogix 5580 5 MB Controller
Technical notes
A redundant 1756-L82E system requires controller firmware 33.00.02 or later and separate ControlLogix communication modules. In redundancy, the embedded Ethernet port is disabled and integrated motion is not supported; qualify the partner chassis, firmware, redundancy modules, and external network paths before converting a standalone project.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Why can a converted project reject additional I/O devices after moving to 1756-L82E?
Check the Logix Designer release and the devices placed directly in the controller's I/O tree. The applicable node boundary changes with the project version, so recount before changing hardware.
What must be redesigned when a standalone 1756-L82E project becomes redundant?
Add qualified partner chassis and redundancy hardware, match controller firmware, route plant communications through supported separate modules, and remove any motion dependency that redundancy does not support.
How should an OPC UA client be commissioned with 1756-L82E?
Begin with Logix Designer version 36 or later, define the required namespace, establish certificates and trust, then test subscription load and controller performance under representative operation.
Can 1756-L82E communicate with an existing Data Highway Plus network without added hardware?
No. The integrated port is EtherNet/IP. A supported ControlLogix module or gateway must provide the legacy protocol and be included in the chassis and project design.
What should maintenance preserve before restoring 1756-L82E from removable storage?
Keep the approved 1784-SD4 image, firmware package, project revision, load-mode setting, network record, and change authorization together; verify them before initiating a restore.
How can incoming inspection distinguish 1756-L82E from a safety controller with a similar housing?
Check the complete catalog marking, product series, safety identification, hardware series, and nameplate. Do not infer GuardLogix capability from chassis fit or front-panel similarity.