25 lines
559 B
Plaintext
25 lines
559 B
Plaintext
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(* @PATH := '\/Functions_Collection' *)
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(* @SYMFILEFLAGS := '0' *)
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FUNCTION CVQ_1p7_8_Perc : REAL
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VAR_INPUT
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i_Temp : REAL ;
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END_VAR
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VAR
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a : REAL ;
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b : REAL ;
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c : REAL ;
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d : REAL ;
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END_VAR
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(* @END_DECLARATION := '0' *)
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(* CVQ Valve in 1.7 - 8 bar range. Min Actuator Temperature 83°C; max Actuator temperature 110°C *)
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(* 110 - 83 = 27°C *)
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a := 0.000176883 ;
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b := -0.000322 ;
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c := 1.4005362 ;
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d := 80.987085 ;
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CVQ_1p7_8_Perc := LIMIT(0, ((EXPT(i_Temp,3) * a + EXPT(i_Temp,2) * b + i_Temp * c + d) - 83) / 27 * 100.0, 100) ;
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END_FUNCTION
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