#F.2:11.2 Sys‑CAL / LCA‑CAL + services

Preface node heading:f-2-11-2-sys-cal-lca-cal-services:48148

#Content

• Context: State‑space control texts — LNF: actuation Tech: actuation - Plain: control output Gloss: “Signal applied to the plant to influence state/output.”

• Context: IEC 61131‑3 — LNF: task Tech: task - Plain: runtime program execution Gloss: “Cyclic or event‑driven execution unit for control programs.”

• Context: ITIL 4 (2020) — LNF: incident Tech: incident - Plain: reported disruption Gloss: “Unplanned interruption or reduction in the quality of a service.”

Thinking pay‑off: avoids calling a plant fault an “incident” unless you cross Contexts later with an explicit bridge.