What term describes the programmable operator interface terminals provided by Allen-Bradley?

The term that describes the programmable operator interface terminals provided by Allen-Bradley is "PanelView Plus." This product is well known in the industry for providing a user-friendly interface between operators and automated systems. The PanelView Plus series allows operators to monitor and control processes through touchscreens, making it easier to interact with the equipment and read system statuses.

The PanelView Plus also supports various communication protocols, making it versatile for different applications within industrial automation. Its capabilities include customizable screens for specific operations, alarm management, and trending of process data, which enhances operational efficiency and safety. Overall, the PanelView Plus terminals are crucial tools in the realm of programmable logic controllers (PLCs), enabling effective human-machine interaction.