103 lines
3.5 KiB
Smalltalk
103 lines
3.5 KiB
Smalltalk
(*
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===============================================================================
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Project : PLC_Library
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Device : -
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Path : Общие
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Name : STATUS_ANALOG_M_I
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Type : FUNCTION_BLOCK
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Exported : 2026-07-31 11:16:16
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===============================================================================
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*)
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FUNCTION_BLOCK STATUS_ANALOG_M_I
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(*
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Модуль формирования статуса
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Гистерезис по отключению и задержка по включению, вход типа INT
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-1 - нет связи с датчиком
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0 - не определено
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1 - норма
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2 - предупредительный по нижнему уровню
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3 - аварийный по нижнему уровню
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4 - предупредительный по верхнему уровню,
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5 - аварийный по верхнему уровню
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*)
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VAR_INPUT
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Input: INT;
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fail_hi: INT:=32767;
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delta_fail_hi: INT := 0;
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time_fail_hi: TIME :=t#0s;
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warn_hi: INT:=32767;
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delta_warn_hi: INT := 0;
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time_warn_hi: TIME :=t#0s;
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warn_low: INT:=-32768;
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delta_warn_low: INT := 0;
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time_warn_low: TIME :=t#0s;
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fail_low: INT:=-32768;
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delta_fail_low: INT := 0;
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time_fail_low: TIME :=t#0s;
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no_signal: INT:=-32768;
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delta_no_signal: INT := 0;
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time_no_signal: TIME :=T#0S;
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In_fail_hi: BOOL := FALSE;
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In_warn_hi: BOOL := FALSE;
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In_warn_low: BOOL := FALSE;
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In_fail_low: BOOL := FALSE;
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In_no_signal: BOOL := FALSE;
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END_VAR
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VAR_OUTPUT
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Status: AnalogValueState;
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END_VAR
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VAR
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(* !!! ВНУТРЕННИЕ ВЫХОДНЫЕ ПЕРЕМЕННЫЕ!!! *)
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fail_hi_st: BOOL;
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warn_hi_st: BOOL;
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normal_st: BOOL;
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warn_low_st: BOOL;
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fail_low_st: BOOL;
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no_signal_st: BOOL;
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(* !!! ВНУТРЕННИЕ НЕВЫХОДНЫЕ ПЕРЕМЕННЫЕ!!! *)
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TON_fail_hi: TON;
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TON_warn_hi: TON;
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TON_warn_low: TON;
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TON_fail_low: TON;
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TON_no_signal: TON;
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END_VAR
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(*----- IMPLEMENTATION -----*)
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TON_no_signal(IN := (Input <= no_signal) OR In_no_signal, PT := time_no_signal);
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IF TON_no_signal.Q THEN no_signal_st := TRUE; ELSIF (Input > no_signal + delta_no_signal) THEN no_signal_st := FALSE; END_IF;
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TON_fail_low(IN := ((Input <= fail_low) AND NOT(no_signal_st)) OR In_fail_low, PT := time_fail_low);
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IF TON_fail_low.Q THEN fail_low_st := TRUE; ELSIF (Input > fail_low + delta_fail_low) THEN fail_low_st := FALSE; END_IF;
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TON_warn_low(IN := ((Input <= warn_low) AND NOT(no_signal_st) AND NOT(TON_fail_low.Q)) OR In_warn_low, PT := time_warn_low);
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IF TON_warn_low.Q THEN warn_low_st := TRUE; ELSIF (Input > warn_low + delta_warn_low) THEN warn_low_st := FALSE; END_IF;
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TON_fail_hi(IN := ((Input >= fail_hi) AND NOT(no_signal_st)) OR In_fail_hi, PT := time_fail_hi);
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IF TON_fail_hi.Q THEN fail_hi_st := TRUE; ELSIF (Input < fail_hi - delta_fail_hi) THEN fail_hi_st := FALSE; END_IF;
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TON_warn_hi(IN := ((Input >= warn_hi) AND NOT(no_signal_st) AND NOT(TON_fail_hi.Q)) OR In_warn_hi, PT := time_warn_hi);
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IF TON_warn_hi.Q THEN warn_hi_st := TRUE; ELSIF (Input < warn_hi - delta_warn_hi) THEN warn_hi_st := FALSE; END_IF;
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normal_st := (NOT(no_signal_st) AND NOT(fail_low_st) AND NOT(warn_low_st) AND NOT(warn_hi_st) AND NOT(fail_hi_st));
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IF no_signal_st THEN
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Status := AnalogValueState.no_signal;
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ELSIF fail_hi_st THEN
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Status := AnalogValueState.fail_hi;
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ELSIF fail_low_st THEN
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Status := AnalogValueState.fail_low;
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ELSIF warn_hi_st THEN
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Status := AnalogValueState.warn_hi;
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ELSIF warn_low_st THEN
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Status := AnalogValueState.warn_low;
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ELSIF normal_st THEN
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Status := AnalogValueState.normal;
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ELSE
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Status := AnalogValueState.undefined;
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END_IF;
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END_FUNCTION_BLOCK
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