# RefRoomMaster

## `RefRoomMaster` (FB)

FUNCTION\_BLOCK RefRoomMaster IMPLEMENTS IRefRoomMaster

### Short description

> Summary of the energy demand of multiple rooms with selection of the largest room temperature deviation\
> \
> Typical application: Creation of a reference room for a heating or cooling circuit to adjust the supply setpoint temperature

### Representation

<figure><img src="/files/fb8db829f9521044551d225abb7b70188fef1f64" alt=""><figcaption></figcaption></figure>

InOut:

| Scope       | Name                     | Type           | Initial                            |
| ----------- | ------------------------ | -------------- | ---------------------------------- |
| Input Const | `eMode`                  | RefRoomOption  | RefRoomOption.Max\_DeltaTemRoom\_H |
| Output      | `itfRefRoom`             | IRefRoomMaster | THIS^                              |
| Output      | `xEnergyRequest`         | `BOOL`         |                                    |
| Output      | `rSetPtTemp`             | `REAL`         |                                    |
| Output      | `rRoomTemp`              | `REAL`         |                                    |
| Output      | `udiNumberOfRooms`       | `UDINT`        |                                    |
| Output      | `sInstanceRoomSetPtTemp` | `STRING`       |                                    |
| Output      | `sInstanceRoomTemp`      | `STRING`       |                                    |
| Output      | `sMacroSetPtTemp`        | `STRING`       |                                    |
| Output      | `sMacroRoomTemp`         | `STRING`       |                                    |


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