For extended interoperability, the use of e.g. Ignition, WinCC Unified or Wonderware as HMI & Integration Suite complements the architecture with flexible HMI, alarm handling, and web visualization capabilities. Its modular, platform‑independent design and wide protocol support make it easy to connect legacy and modern systems, speed up development through reusable components and scripting, and deliver responsive operator interfaces across desktop and mobile devices. With built‑in alarm pipelines, historian connectivity, and the Perspective module for web/mobile visualization, Ignition helps standardize operational views and analytics across the plant. Centralized deployment, strong role‑based access controls, and extensible integrations also help reduce operational overhead and time‑to‑value.