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State Machine — Behavior as Modes

Discrete modes and the events that move between them.

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◤ DEFINITION

What it is

A State Machine diagram models discrete modes of a block and the events, guards, and effects that transition between them.

◤ PURPOSE

Why it exists

Captures mode-rich behavior — startup, nominal, degraded, safed, shutdown — where the system reacts differently to the same event depending on mode.