20-HIM-A6 Human Interface Module: Reliable Touch Display for OVATION

The Westinghouse 20-HIM-A6​ delivers a powerful and operator-centric experience through its high-performance graphics engine. It renders dynamic process displays with smooth animations, real-time data updates, and high-resolution schematics, enabling operators to grasp complex system states at a glance. The intuitive touch interface allows for direct interaction with control elements—tapping valves, adjusting setpoints, acknowledging alarms—which streamlines operations and reduces the potential for errors associated with traditional keyboard-and-mouse inputs. Its configurable workspace supports multiple concurrent window views, trend displays, and alarm lists, providing unparalleled situational awareness.

Durability and reliability are engineered into the core of the 20-HIM-A6 HIM. The industrial-grade construction features a rugged, sealed front panel that meets NEMA standards, protecting the display from dust, moisture, and accidental impacts common in control room settings. It is designed for continuous operation with high mean time between failures (MTBF). Advanced alarm management is a cornerstone feature; the module provides prioritized, filtered, and historical alarm listings with clear descriptions, guiding operators to the most critical issues first. Furthermore, the Westinghouse 20-HIM-A6​ supports redundant configurations. In a redundant pair, if the primary HIM fails, the secondary module can seamlessly take over without loss of functionality or data, ensuring uninterrupted operator access—a vital capability for base-load power plants and other critical processes where downtime is not an option. Its seamless integration with the OVATION historian also allows for instant retrieval of trend data for performance analysis and troubleshooting.