PCA Advanced Application Programmable Controller
PCA Series Controllers are programmable controllers that can communicate using BACnet/IP, MS/TP, or N2 communications protocols, depending on the model. The PCA4911 Series controller communicates using BACnet/IP communications protocol, and is a BACnet Advanced Application Controller (B-AAC). The other PCA Series controllers can be switched between MS/TP and N2 Communications protocols and when used as MS/TP devices are BACnet Advanced Application Controllers (B-AACs). PCA Series controllers feature an integral real-time clock and support time-based tasks, which together enable these field controllers to monitor and control schedules, calendars, alarms, and trends. PCAs can continue time-based control and monitoring when offline for extended periods of time from a system network. The PCAs include RS-485 field bus networking with BACnet MS/TP protocols. PCA controllers can be combined with PCX Expansion I/O Modules to gain more I/O interfaces, if needed. PCAs and their advanced features make them well suited for monitoring and controlling a wide range of more complex equipment (such as airhandlers and central plants).
PCA Series controllers can also operate as standalone controllers in applications that do not require a networked supervisory device or for network applications where it is preferred to have the scheduling, alarming, and/or trending performed locally in the field controllers.
The PCA2513 and PCA3613 are programmable controllers. They are BACnet Application Specific Controllers (B-ASC) with integral MS/TP communications.
These controllers run preengineered and user-programmed applications and provide the inputs and outputs required to monitor and control a wide variety of HVAC equipment.
A PCA2513 or PCA3613 controller combined with the PCX models can be applied to a wide variety of building applications ranging from simple fan coil or heat pump control to advanced central plant management.
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