1756-L81EPXT

Overview

• Product type designation: ControlLogix-XT 5580 Process Controller
• Model: 1756-L81EPXT
• Description: Extended Temperature (XT) process controller with dual embedded Ethernet ports
• Controller tasks: 32 tasks, including a combination of one continuous, periodic, and event tasks; 1000 programs/task

Communication Ports

• Built-in communication ports: 1 USB port, 1 embedded Ethernet port
• USB port communication: USB 2.0, full speed (12 Mbps); for programming, configuration, firmware update, and online edits only (temporary local programming only, not for permanent connection; do not use in hazardous locations)
• Ethernet performance: 10/100/1000 Mbps

I/O Capacity (Class 0/1) - packets/second

• Without CIP Security: 128,000
• With integrity: 40,000
• With integrity and confidentiality: 20,000

Message Rate Capacity - HMI/MSG (Class 3) - messages/second

• Front port without CIP Security: 2,000
• Front port with integrity: 1,500
• Front port with integrity and confidentiality: 900
• Backplane (with multiple 1756-EN4TR modules): 4,000
• Backplane in Logix redundancy: 2,000

Communication Options

• Supported networks: EtherNet/IP, ControlNet, DeviceNet, Data Highway Plus, Remote I/O, SERCOS, and third-party process and device networks
• EtherNet/IP nodes supported, max: 100 nodes

Redundancy Notes

• When enabled for redundancy: Ethernet port is off, Integrated Motion is not supported, and DeviceNet, ControlNet, RIO, DH+ networks are not supported

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