(in case of use a barrier closing, must use a Decision I/O Card only) let select "Relay No." to relate with Pin at I/O Card that connect a close command signal cable of barrier hold by upper table by "Relay Close" signal means close a barrier.
(in case of want to open a barrier to every car) let set a value “Auto open a barrier for any cars” a system will open a barrier to every car, include of outside car in a period time that define.