Data Normalization

Special data normalization has been applied to various points in the factory loaded equipment templates. This data normalization serves to make a consistent interface to equipment across Tracer SC. This chapter lists special data normalizations for each equipment template.

Example: Occupancy Request

The following example of the Occupancy Request point in the TStat_FanCoil_Trane template indicates how to interpret the special data normalization.

The point name in Tracer SC is Occupancy Request.

The point name in the BACnet device is Occupancy Command (Multistate Value instance 18 (MV18)).

Table 20 and Table 21 show the corresponding Tracer SC and fan coil states.

When Tracer SC writes the state in the left hand column to the Occupancy Request point, the BACnet point is controlled to the corresponding state on the right hand column.

Table 20. Tracer SC writing to the fan coil (Occupancy Request)

Tracer SC state and text

Fan coil state and text

1

- Occupied

2

- Occupied

2

- Unoccupied

3

- Unoccupied

3

- Occupied Bypass

2

- Occupied

4

- Occupied Standby

2

- Occupied

5

- Auto

1

- Local Occupancy

When Tracer SC reads the state and text in the left hand column from the BACnet device, it reports the state and text in the right hand column in the Occupancy Request point.

Table 21. Reading from Fan Coil to Tracer SC (Occupancy Request)

 

Fan Coil state and text

 

Tracer SC state and text

1

- Local Occupancy

5

- Auto

2

- Occupied

1

- Occupied

3

- Unoccupied

2

- Unoccupied

Template: TStat_FanCoil_Trane

This section lists special data normalizations for points in this template.

The Tracer SC Point name: Occupancy Status

The BACnet point name, type, and instance: Effective Occupancy (MV 33)

Table 22. Tracer SC writing to the fan coil (Occupancy Status)

 

Tracer SC state and text

 

Fan coil state and text

1

- Occupied

1

- Occupied

2

- Unoccupied

2

- Unoccupied

3

- Occupied Bypass

1

- Occupied

4

- Occupied Standby

4

- Stand-by

5

- Auto

1

- Occupied

Table 23. Reading from fan coil to Tracer SC (Occupancy Status)

 

Fan Coil state and text

 

Tracer SC state and text

1

- Occupied

1

- Occupied

2

- Unoccupied

2

- Unoccupied

3

- Temporary Occupied

1

- Occupied

4

- Stand-by

4

- Occupied Standby

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BAS-SVP10A-EN

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Image 36
Trane BAS-SVP10A-EN manual Data Normalization, Example Occupancy Request, Template TStatFanCoilTrane

BAS-SVP10A-EN, Trane Communicating Thermostats (BACnet) specifications

The Trane BAS-SVP10A-EN is a part of the Trane Communicating Thermostats series designed to facilitate efficient and effective building temperature control in HVAC systems. These thermostats work with BACnet (Building Automation and Control Network), a widely adopted communication protocol in building automation for networked control of HVAC systems, lighting, access control, and fire systems.

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