ValueState retrieval - handling NULL valuesSave PDFSave selected topicSave selected topic and subtopicsSave all topicsShareShare to emailCopy topic URLLast UpdatedFeb 06, 20251 minute readHMI and SCADASystem PlatformHistorian 2023 R2 SP1 P03 NULLs are considered a state and are reported along with the other states. Related LinksValueState retrieval