Emerson Electric Co.
Increasing Battery Life of Wireless Sensor

Abstract:

A method of operating a remote wireless sensor that is part of a control system for an HVAC system serving a space is disclosed. The remote wireless sensor is capable of operating in at least a first higher power mode and a second lower power mode. The method includes wirelessly transmitting a signal to the remote wireless sensor to cause the sensor to operate in the second lower power mode upon detecting the absence of an occupant in the space.