State Machine v PLC – Rizeni provoznich stavu

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Implementace statoveho automatu v PLC

Statovy automat je vzor pro rizeni complexnich procesu s definovanymi stavy.

Priklad

CASE currentState OF
    stIdle: IF start_cmd THEN currentState := stRunning; END_IF
    stRunning: IF done THEN currentState := stDone; END_IF
END_CASE