Smart Buildings Systems for Architects, Owners and Builders

International Applications—POE is an international standard being marketed
and deployed worldwide, allowing manufacturers to avoid supplying differ-
ent power supplies by country, and thus eliminating the need for POE
installers to worry about diverse equipment and power cords.

People Counters

People counters do not control access into buildings or spaces but do provide
valuable information. People counters perform the simple act of counting peo-
ple entering or exiting buildings or spaces within a building. Knowing how
many people have entered a building or a space can be directly related to secu-
rity, financial, or management objectives (Fig. 6.5).

Devices

People-counting devices used today are based on thermal or video imaging
technology.
Thermal imaging devices, the more traditional approach, sense a person’s
body heat compared to the background thermal image. The people being

Thermal

Sensor

Wireless

Transmitter

Detection

Pattern

11.5 Feet

Figure 6.5 People counting using thermal sensing.

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