The Allen-Bradley 2711P-B4C20A is a compact 3.5-inch color Panelview Plus 400 terminal by Rockwell Automation. With both touch and keypad input, it offers versatile control and connects via Ethernet and RS-232. It runs on FactoryTalk View ME software, has 64 MB memory, and accepts AC power. Now discontinued, it was a reliable HMI device in its time. Manufacturer Rockwell Automation Brand Allen-Bradley Part Number/Catalog No. 2711P-B4C20A Product Line Panelview Plus 400 Display Size 3.5 inch Display Color Color Input Type Keypad/Touchscreen Communication Ehternet and RS-232 Ports Input Power AC Software FactoryTalk View ME Memory 64 MB Series A, B, C, D, E Firmware Version 3.20-5.10 UPC 10662074411488 Product Lifecycle Status* Discontinued/Obsolete