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1756-L81EP ControlLogix 5580 Process Controller
1756-L81EP ControlLogix 5580 Process Controller
1756-L81EP ControlLogix 5580 Process Controller

1756-L81EP ControlLogix 5580 Process Controller

CONTROLLOGIX 5580E PROCESS

1756-L81EP

The 1756-L81EP is a ControlLogix 5580E process controller that executes PlantPAx-oriented process control in a ControlLogix chassis. It provides 3 MB user memory, one embedded 1 Gb EtherNet/IP port, USB programming and support for up to 100 EtherNet/IP devices.

USER MEMORY3 MB
INSTALLATIONChassis based
CONTROLLER ROLEProcess-focused
ETHERNET DEVICES100 maximum
MANUFACTUREROriginal Manufacturer Product
CONDITION / WARRANTYOriginal New · One-Year Warranty
ISO CERTIFICATIONISO-Certified Product
VERIFICATION● Product photos and videos provided after inquiry
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  • Country of Origin :

    United States
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PRODUCT INFORMATION ● CONTROLLOGIX 5580E PROCESS CONTROLLER
CONTROLLOGIX 5580E PROCESS

1756-L81EP

PROCESS AUTOMATION CONTROLLER

3 MB · 1 Gb ETHERNET · 100 DEVICES

PRODUCT ROLE
1756-L81EP is a ControlLogix 5580E process controller that executes PlantPAx-oriented process control in a ControlLogix chassis. It provides 3 MB user memory, one embedded 1 Gb EtherNet/IP port, USB programming and support for up to 100 EtherNet/IP devices.
ORDER CHECK
For 1756-L81EP, Confirm the exact 1756-L81EP process-controller catalog number, 3 MB project size, ControlLogix chassis and power requirements, EtherNet/IP device count, firmware and PlantPAx/Studio 5000 compatibility. This model is End of Life with discontinuation scheduled for December 31, 2026.
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Frida
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EMAILsales5@mooreplc.com WHATSAPP+86 153 5940 8275
ORDER NUMBER BREAKDOWN

How the 1756-L81EP order number is structured

5069
Platform familyControlLogix platform
L81
Capacity tier3 MB controller tier
EP
Suffix functionEmbedded Ethernet process controller
MANUFACTURER-REFERENCE CHARACTERISTICS

Technical Specifications

CONTROLLOGIX 5580E PROCESS ↗
1756-L81EP

Engineering data at a glance

Click “+” to expand more specifications.

USER MEMORY3 MB
INSTALLATIONCHASSIS
CONTROLLER ROLEProcess-focused
ETHERNET DEVICES100 maximum
Official Rockwell Automation documentation values for 1756-L81EP.
Configuration verification

For 1756-L81EP, confirm 3 MB project size, 16-axis motion capacity, 60-device network limit, 31-module local I/O capacity, 18…32V DC MOD power and the separately ordered 5069-RTB64 terminal kit. 1756-L81EP.

Controller Identity −
Catalog number1756-L81EP
Product familyControlLogix 5580E Process
Controller roleProcess automation
User memory3 MB
Display4-character status display
LifecycleEnd of Life
Processing and Programming ＋
Programming softwareStudio 5000 Logix Designer
Process environmentPlantPAx-compatible configuration
Programming interfaceUSB and Ethernet
User memory3 MB
Project conditionFirmware and application revision must match
Ethernet and Interfaces ＋
Embedded EthernetOne 1 Gb EtherNet/IP port
EtherNet/IP devicesUp to 100
USBIntegrated programming/service port
TopologyDepends on chassis and network architecture
CompatibilityVerify modules, profiles and switch design
ControlLogix Installation ＋
MountingCompatible 1756 ControlLogix chassis
PowerProvided through chassis backplane
Local modulesSelected for chassis and project
KeyingElectronic keying must be reviewed
CommissioningVerify I/O tree and network identities
Lifecycle and Successor ＋
Lifecycle statusEnd of Life
Scheduled discontinuationDecember 31, 2026
Direct replacement1756-L81EPXT
Replacement conditionNot automatically drop-in for every installation
SourceOfficial Rockwell Automation product page
Replacement Compatibility ＋
Project memoryMust fit 3 MB or selected successor
Process releaseVerify PlantPAx compatibility
FirmwareMatch Studio 5000 and module profiles
NetworkUp to 100 EtherNet/IP devices
Before changeoverBack up project and verify chassis, power and I/O
Source: Rockwell Automation publication 1756-TD001 and the official 1756-L81EP product page.
FAQ

Questions Buyers Ask Most

What is the primary function of 1756-L81EP?−

1756-L81EP is a ControlLogix 5580E process controller for PlantPAx-oriented process automation. Its 3 MB configuration executes the Logix project and communicates through one embedded 1 Gb EtherNet/IP port with up to 100 devices.

Is 1756-L81EP the same as a general-purpose 1756-L81E?＋

No. 1756-L81EP is the process-controller product variant intended for process/PlantPAx configurations. Similar memory or Ethernet features do not make the catalogs interchangeable; project type, firmware, PlantPAx release and controller features must be checked.

What does End of Life mean for 1756-L81EP procurement?＋

Rockwell Automation lists 1756-L81EP as End of Life with discontinuation scheduled for December 31, 2026. Availability may therefore be limited, and lifecycle planning should include spares, support and a validated migration path.

Is 1756-L81EPXT a guaranteed drop-in replacement?＋

Rockwell identifies 1756-L81EPXT as the direct replacement, but the product entity has an XT environmental configuration. Confirm chassis, temperature/environmental ratings, firmware, PlantPAx release, module profiles, network and project conversion before replacement.

How should the 100-device EtherNet/IP capacity be used?＋

The controller supports up to 100 EtherNet/IP devices, but the engineered system must also respect connection counts, requested packet intervals, produced/consumed tags, switch topology and process network performance.

What conditions must be confirmed before installing or replacing 1756-L81EP?＋

Confirm the 1756 chassis and power supply, controller slot, 3 MB project size, firmware and Studio 5000/PlantPAx compatibility, one-port network architecture, 100-device limit, I/O keying, project backup and the End-of-Life migration plan.

CONTACT PRODUCT SPECIALIST

Check your configuration with Frida

Share the complete order number and application details for compatibility, availability and lead-time checking.

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DATA SHEET

Manuals and Official References for
1756-L81EP

Official Rockwell Automation documentation for the 1756-L81EP process automation controller.

ControlLogix 5580 Controllers

Rockwell Automation publication 1756-TD001 covering ControlLogix 5580 controller capacity, interfaces and installation specifications.

OFFICIAL DATASHEET

Contact to Get Support

Send the complete model, quantity, and your technical or purchasing question.

Technical statements on this page are based on Rockwell Automation publication 1756-TD001 and the official 1756-L81EP product page.

CONTROLLOGIX 5580E PROCESS RELATIONSHIP

How 1756-L81EP Fits into the ControlLogix 5580E Process Family

1756 identifies the ControlLogix platform. L81 identifies the 3 MB controller tier, while EP identifies the Embedded Ethernet process controller. 1756-L81EP is configured for ControlLogix chassis I/O local-I/O capacity, 100 EtherNet/IP devices and Process-focused motion-axis capacity.

PLATFORMCompact 5000I/O and controller architecture
CONTROLLER TIERL81 · 3 MB100 devices · ControlLogix chassis I/O
EXACT MODEL1756-L81EPprocess controller
Selection note: Match memory, local I/O, device and motion limits, plus MOD/SA power and RTB style.
APPLICATION AREAS

Application mind map for 1756-L81EP

Application ControlExecute PlantPAx-oriented process control in a ControlLogix chassis
ControlLogix ChassisUse compatible 1756 chassis, power and I/O modules
APPLICATION CENTER 1756-L81EP process automation controller
EtherNet/IP Machine NetworkConnect up to 100 EtherNet/IP devices through the embedded 1 Gb port
Process Controller MigrationVerify PlantPAx, firmware, chassis and 1756-L81EPXT migration
ABOUT MOORE AUTOMATION

A trusted industrial automation sourcing partner

Moore Automation Limited supplies industrial automation spare parts to customers worldwide, with dedicated sourcing, part-number verification, pre-shipment confirmation and responsive sales support.

Global sourcing Pre-shipment verification One-year warranty
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A clear workflow for sourcing, verification, shipment preparation, delivery and product assurance.

STAGESERVICE ACTIONWHAT WE CHECK OR PROVIDE
01PROCUREMENT
Product SourcingCurrent, hard-to-find and discontinued industrial automation parts.
02VERIFICATION
Part Number ReviewComplete model, suffix, nameplate, visible revision and application details.
03CONFIRMATION
Pre-Shipment CheckModel, label, condition and packaging confirmed with actual photos or video.
04FULFILLMENT
Global Delivery
Worldwide delivery with flexible shipping options. We support door-to-door pickup or delivery to your nominated freight forwarder in China.
DHLFedExUPSTNT
05ASSURANCE
One-Year WarrantyOne-year warranty from delivery for products supplied by Moore Automation.
Warranty Claim Information＋
What to provide: If a product-related issue occurs within the warranty period, contact our team and submit one clear, continuous video for review.
✓Complete product and nameplate
✓Power supply and wiring connections
✓Installation and operating conditions
✓Indicator lights, alarms or error messages
✓Clear description of the fault
✓Continuous video showing the issue
Review outcome: If the evidence confirms a covered product fault, Moore Automation will arrange the appropriate warranty solution.
SALES ASSISTANCE

Contact Sales Manager Frida

Include the complete part number, quantity and delivery destination.

EMAILsales5@mooreplc.com WHATSAPP+86 153 5940 8275
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Hot Tags : 1756-L81EP ControlLogix 5580E Process 3 MB controller Process-focused controller 100 EtherNet/IP devices process controller
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