Allen-Bradley 1756-L81EP ControlLogix Process Controller

The Allen-Bradley 1756-L81EP ControlLogix 5580 process controller is designed for plant-wide process control applications within the ControlLogix control system. It includes a default process tasking model and dedicated PlantPAx process instructions to support process automation architectures.

Lifecycle Status: End of Life

Replacement: 1756-L81EPXT

• ControlLogix 5580 process controller
• 3 MB standard memory
• 32 tasks with support for continuous, periodic, and event tasks
• Up to 1000 programs per task
• Built-in communication ports: 1 USB 2.0 port and 1 embedded Ethernet port
• Embedded Ethernet performance: 10/100/1000 Mbps
• USB communication for programming, configuration, firmware updates, and online edits
• Supports up to 128,000 digital I/O and 4,000 analog I/O
• Supports up to 100 EtherNet/IP nodes
• 4 GB Secure Digital card ships pre-installed
• Supports EtherNet/IP, ControlNet, DeviceNet, Data Highway Plus, Remote I/O, SERCOS, and third-party process and device networks
• Supports Relay Ladder Logic, Structured Text, Function Block Diagram, and Sequential Function Chart
• Open-style enclosure

This controller is suited for distributed process control, skids, and plant automation systems that require high-capacity ControlLogix processing with integrated industrial network connectivity and process-oriented control functions.

Lifecycle status: End of Life

This product remains listed for reference and existing installations.

Recommended replacement: 1756-L81EPXT

Direct Replacement