From SCADA Signals to Operational State
How raw SCADA, HMI and protocol values become useful machine state, process state, alarm state and control state, and where each one is decided.
Articles
Practical SCADA notes
Field-oriented references for HMI/SCADA systems, industrial communication, alarms, tags, historians, and project delivery.
Try a Live Operational State Tutorial
A short hands-on walkthrough that turns one temperature signal into alarm state, switch action, HMI feedback, and an event log using the StateX tutorial.