1756-L81EP | Allen-Bradley ControlLogix 5580E Process Controller
1756-L81EP | Allen-Bradley ControlLogix 5580E Process Controller
1756-L81EP | Allen-Bradley ControlLogix 5580E Process Controller
    1756-L81EP | Allen-Bradley ControlLogix 5580E Process Controller
1756-L81EP | Allen-Bradley ControlLogix 5580E Process Controller

1756-L81EP | Allen-Bradley ControlLogix 5580E Process Controller

Part #: 1756-L81EP Manufactured by: Allen-Bradley
Regular price
$6,999.00
Sale price
$6,999.00
Regular price
4 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
The Allen-Bradley 1756-L81EP is a high-performance ControlLogix 5580E process controller with 3 MB user memory, integrated...  Read more
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Warranty for Product #: 1756-L81EP
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Original Manufacturer's Warranty Not Covered, This Product is SURPLUS.

Product Description P/N: 1756-L81EP

Description / Specifications

Description 

The Allen-Bradley 1756-L81EP is a high-performance ControlLogix 5580E process controller with 3 MB user memory, integrated gigabit Ethernet, and USB programming port.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Allen-Bradley 
Category Controls & Indicators
Part Number 1756-L81EP
Subcategory Control
Product Type
Controller
Compatibility
ControlLogix 5570/5560 Controllers
Controller Tasks 32
Programs Per Task 1000
Communication Monitoring, Controlling
Application Standard Contacts
Installed On ControlLogix I/O Chassis
Current Draw 1.2 Amps at 5.1 Volts
Weight 1.38 lbs

  

 

Information About 1756-L81EP

The Allen-Bradley 1756-L81EP is a high-performance ControlLogix 5580E process controller featuring 3 MB of user memory, integrated gigabit Ethernet, and advanced motion and I/O handling. Designed for demanding industrial environments, it supports secure, high-speed control and communication in modern automation systems.

Key Features:

  • Controller Type: ControlLogix 5580E Process Controller
  • User Memory: 3 MB RAM
  • Integrated Ports: 1 × Gigabit Ethernet, 1 × USB 2.0 (for programming only)
  • Network Capacity: Supports up to 100 EtherNet/IP nodes
  • I/O Support: Up to 128,000 digital I/O and 4,000 analog I/O points
  • Motion Support: Integrated motion over EtherNet/IP, up to 256 axes
  • Task Capacity: Supports up to 32 tasks and ~1,000 programs per task
  • Display: 4-character alphanumeric display for diagnostics and alerts
  • Security: Digitally signed firmware, role-based access control (ISO 27001 aligned)
  • Power Requirements: 1.20 A at 5.1 V DC; 6.2 W power dissipation
  • Environmental Ratings: 0–60 °C operating; –40–85 °C storage; 5–95% RH non-condensing
  • Shock & Vibration: Rated to IEC standards (30 g shock, industrial vibration tolerance)
  • Mounting: Occupies one slot in a standard ControlLogix chassis
  • Lifecycle Status: Active product in the ControlLogix 5580 family

The 1756-L81EP is ideal for high-speed, secure control applications across process, motion, and hybrid automation environments. It offers enhanced capacity, integrated diagnostics, and strong cybersecurity measures. Its compact design, extended I/O and motion support, and network scalability make it a powerful solution for modern smart manufacturing systems.

IQElectro is not an authorized distributor.
IQElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The Allen-Bradley 1756-L81EP is a high-performance ControlLogix 5580E process controller with 3 MB user memory, integrated gigabit Ethernet, and USB programming port.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Allen-Bradley 
Category Controls & Indicators
Part Number 1756-L81EP
Subcategory Control
Product Type
Controller
Compatibility
ControlLogix 5570/5560 Controllers
Controller Tasks 32
Programs Per Task 1000
Communication Monitoring, Controlling
Application Standard Contacts
Installed On ControlLogix I/O Chassis
Current Draw 1.2 Amps at 5.1 Volts
Weight 1.38 lbs

  

 

Information About 1756-L81EP

The Allen-Bradley 1756-L81EP is a high-performance ControlLogix 5580E process controller featuring 3 MB of user memory, integrated gigabit Ethernet, and advanced motion and I/O handling. Designed for demanding industrial environments, it supports secure, high-speed control and communication in modern automation systems.

Key Features:

  • Controller Type: ControlLogix 5580E Process Controller
  • User Memory: 3 MB RAM
  • Integrated Ports: 1 × Gigabit Ethernet, 1 × USB 2.0 (for programming only)
  • Network Capacity: Supports up to 100 EtherNet/IP nodes
  • I/O Support: Up to 128,000 digital I/O and 4,000 analog I/O points
  • Motion Support: Integrated motion over EtherNet/IP, up to 256 axes
  • Task Capacity: Supports up to 32 tasks and ~1,000 programs per task
  • Display: 4-character alphanumeric display for diagnostics and alerts
  • Security: Digitally signed firmware, role-based access control (ISO 27001 aligned)
  • Power Requirements: 1.20 A at 5.1 V DC; 6.2 W power dissipation
  • Environmental Ratings: 0–60 °C operating; –40–85 °C storage; 5–95% RH non-condensing
  • Shock & Vibration: Rated to IEC standards (30 g shock, industrial vibration tolerance)
  • Mounting: Occupies one slot in a standard ControlLogix chassis
  • Lifecycle Status: Active product in the ControlLogix 5580 family

The 1756-L81EP is ideal for high-speed, secure control applications across process, motion, and hybrid automation environments. It offers enhanced capacity, integrated diagnostics, and strong cybersecurity measures. Its compact design, extended I/O and motion support, and network scalability make it a powerful solution for modern smart manufacturing systems.

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