The TopWorx DX PST switchbox with HART® protocol is a reliable, user-friendly solution for performing Partial Stroke Test and Emergency Shut Down for critical applications. Units provide valuable valve data and diagnostic information, relaying feedback to Industrial Internet of Things (IIoT) systems via digital and analog signals. Expanded options for sensor redundancy up to 4 GO™ Switches and pilot redundancy up to 2 integrated pilots all protected within a single enclosure .Thanks to the integrated PST button, operators can test valves without any additional devices, simplifying maintenance.