Emerson introduces the M-series DeltaV™ Controller Interface for PROVOX™ I/O and DeltaV MQ or MX Controllers. You can transition to DeltaV controllers and connect to PROVOX I/O already installed in your plant, continuing to maximize your original PROVOX I/O investment. The Controller Interface for PROVOX I/O maximizes investment in PROVOX I/O and saves wiring costs.