Allen-Bradley 1756-L81EK ControlLogix 5580 Controller

Experience superior industrial control with the 1756-L81EK processor from Allen-Bradley's advanced ControlLogix 5580 series. This high-performance controller delivers robust processing power with 3 MB user memory and extensive communication capabilities for modern automation systems.

Product Overview

• Brand: Allen-Bradley / Rockwell Automation
• Series: ControlLogix 5580
• Model: 1756-L81EK Controller
• Controller Type: Standard industrial controller
• Enclosure: Open-style design
• Coating: Conformally coated for protection

Technical Specifications

• User Memory: 3 MB capacity
• Maximum I/O Points: 128,000 total
• Digital I/O: 128,000 points maximum
• Analog I/O: 4,000 points maximum
• Current Draw: 5.0mA @ 1.2V DC, 1.20A @ 5.1V DC
• Power Dissipation: 6.2 Watts
• Thermal Dissipation: 21.2 BTU/hour
• Isolation Voltage: 50V continuous rating
• Communication Ports: USB 2.0 (12 Mbps) + 1GB Ethernet
• EtherNet/IP Devices: Supports 60 devices
• Task Capacity: 32 simultaneous tasks
• Programs per Task: 1,000 programs maximum
• Display: 4-character alpha/numeric
• Operating Temperature: 0°C to 60°C standard range

Communication & Networking

• Network Support: EtherNet/IP, DeviceNet, ControlNet
• Additional Protocols: Remote I/O, Data Highway Plus, SynchLink
• USB Interface: 2.0 standard for programming
• Ethernet Port: 1GB speed for high-speed communication
• Device Connectivity: Manages up to 60 EtherNet/IP nodes

Programming & Software

• Software Platform: Studio 5000 Automation Engineering
• Programming Languages: FBD, LD, ST, SFC supported
• Task Management: 32 tasks with 1,000 programs each
• Electronic Keying: Hardware verification protection
• Display Features: Real-time status monitoring

Installation & Operation

• Install in ControlLogix chassis with proper ventilation
• Use USB port for programming and configuration
• Connect to Ethernet network for communication
• Monitor status through front panel LED indicators
• Implement electronic keying for system security

Download comprehensive technical documentation: Download 1756-L81EK Datasheet

Packaging & Shipping

• Package Contents: 1 x 1756-L81EK Controller Module
• Shipping Methods: FedEx, UPS, DHL express delivery
• Warranty Protection: 12-month performance guarantee

Frequently Asked Questions

• How many EtherNet/IP devices can this controller support?
  It can manage up to 60 EtherNet/IP devices simultaneously.
• What programming languages are available?
  It supports FBD, Ladder Diagram, Structured Text, and SFC languages.
• What is the maximum number of tasks supported?
  The controller handles up to 32 tasks with 1,000 programs each.
• What networks does this controller communicate with?
  It works with EtherNet/IP, DeviceNet, ControlNet, and other protocols.
• What software is required for programming?
  Use Studio 5000 Automation Engineering & Design Environment.

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