Single VFDs are often integrated into new and existing applications due to the huge amount of energy savings and programming benefits. Specialty pump drives often go above and beyond the requirements of simplex (one drive and one pump) applications. These same specialty pump drives can be used to communicate with each other without a host controller. This is called network multiplexing. If all of the drives and motors are common to one application, network multiplexing will be the preferred operation mode for staging and destaging the pumps based on demand.