State [get] [init] Current state, may be: deactivated, normal, overMax, underMin
LatestValue [get] The latest read value
ValueAction [get] [set] The action to fetch the value. Should be on the form: get,ITEMNAME,ATTRIBUTENAME
Max [get] [set] The MAX limit value - a numeric value
Min [get] [set] The MIN limit value - a numeric value
ActionOnExceedingMax [get] [set] An action that will be performed once when the value passes from under MAX to over MAX
ActionOnDeceedingMin [get] [set] An action that will be performed once when the value passes from over MIN to under MIN
ActionWhileOverMax [get] [set] An action that will be performed on every check where the value is over max
ActionWhileUnderMin [get] [set] An action that will be performed on every check where the value is under min