Gets the properties of a premise in a rule-based control.
ENgetpremise(ruleIndex, premiseIndex)list with components:
the premise's logical operator ( IF = 1, AND = 2, OR = 3 )
the type of object the premise refers to
the index of the object (e.g. the index of a tank)
the object's variable being compared
the premise's comparison operator
the status that the object's status is compared to
the value that the object's variable is compared to
the rule's index (starting from 1).
the position of the premise in the rule's list of premises (starting from 1).