FUNCTION_BLOCK junit2_1 VAR_INPUT temp : REAL; END_VAR VAR_OUTPUT valve : REAL; END_VAR FUZZIFY temp TERM cold := (0, 1) (30, 0); TERM hot := (0, 0) (30, 1); END_FUZZIFY DEFUZZIFY valve TERM closed := 0; TERM inlet := 1; END_DEFUZZIFY RULEBLOCK No1 AND : MIN; ACCU : MAX; RULE 1 : IF temp IS cold THEN valve IS closed; RULE 2 : IF temp IS hot THEN valve IS inlet; END_RULEBLOCK END_FUNCTION_BLOCK FUNCTION_BLOCK junit2_2 VAR_INPUT temp2 : REAL; END_VAR VAR_OUTPUT valve2 : REAL; END_VAR FUZZIFY temp2 TERM cold2 := (0, 1) (30, 0); TERM hot2 := (0, 0) (30, 1); END_FUZZIFY DEFUZZIFY valve2 TERM closed2 := 0; TERM inlet2 := 1; END_DEFUZZIFY RULEBLOCK No1 AND : MIN; ACCU : MAX; RULE 1 : IF temp2 IS cold2 THEN valve2 IS closed2; RULE 2 : IF temp2 IS hot2 THEN valve2 IS inlet2; END_RULEBLOCK END_FUNCTION_BLOCK