FX-PCV1628-1FX-PCVs are programmable digital controllers tailored for VAV applications that can be switched between MS/TP and N2 Communications protocols. When they are used as MS/TP devices, they communicate through the BACnet MS/TP protocol. In N2 mode, they can be used as replacements for legacy Johnson Controls controllers. FX-PCV1628-1 FX PCV Controller VAV controller with DPT, 3 UI, 3 BO, and 2 CO, 24 VAC, FC Bus, and SA Bus (No Actuator)