The Allen-Bradley 1756-L85EP ControlLogix 5580 Process Controller is a high-capacity PLC designed for integrated process control in large automation systems. It features 40 MB of user memory, a USB port for offline programming, and a 1 Gb Ethernet port for high-speed networking, with support for up to 300 EtherNet/IP devices and a 4-character alphanumeric display for status and diagnostics. As part of the ControlLogix 5580 Process Controller lineup, it has a direct replacement listed as 1756-L85EPXT, and Rockwell Automation notes a discontinuation date of December 31, 2026.
