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Room control functions request cooling, heating or ventilation from room segment devices.

Request is the output of the room control function PIDs in percent (%).

Request signal to room segment device.

Binary availability of Room segment devices to respond to request from room control function.


Room segment devices informs room control function that it is available for heating, cooling or ventilation.

Room control function is activated based on availability of room segment device.

Room plant operating mode (Multistate value).

Room plant operating room informs room segment device current plant operating mode.

Room segment.