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WiFi Wireless Vibration Point Sensor Main Features
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Description: The Point Sensor WiFi Vibration Transmitter is a battery operated 2.4GHz IEE 802.11b radio transmitter. The sensor has an on board clock that allows it to spend most of the time in a low power quiescent state. Once every 30 seconds, the on board clock will wake the sensor and sample the separate x and y components of the internal accelerometer for 1.3 seconds. User defined, programmable transmission intervals allow the user to obtain data based on the application needs. Analog Vibration data is combined with a CRC-16 error check and transmitted in a very short data packet that results in a very short transmitter on-time. This architecture allows the Point Sensor WiFi Transmitter to consume very low energy. Upon power up the sensor scans all available WiFi network channels (typically 1, 6, and 11) and associates with the Access Point exhibiting the strongest signal, provided the security and encryption setting agree. This feature can also be disabled to allow the user to operate the sensor on a fixed channel. Alarm limits for vibration and time span are user selectable through an easy to use utility. An LED is included on the sensor to indicate the following conditions: Alarm, Alarm Acknowledgment, and Return to Normal. The Alarm Acknowledgement is indicated by a different LED flash sequence and can be reset via a return radio transmission. The Return to Normal (RTN) is used to allow the user to determine the exact duration of the alarm. |