Development of smart transducers compliant with the IEEE 1451.4 standard

A new IEEE 1451.4 standard for a smart transducer interface defines the concept for adding self-identification technology to traditional analog sensors and actuators. While the numerous manufacturers offers 1451.4 sensors, which are often called TEDS sensors, tools for the development of these sensors are not yet widely available. In this paper the procedure for development of smart sensor fully compliant with the IEEE 1451.4 standard is described. Mixed-mode interface with auto detection of One-wire memory device has been developed by the use of 8-bit microcontroller. For assembling and parsing of IEEE 1451.4 TEDS a PC based TEDS Editor is developed. To illustrate the functionality and efficiency of developed tools an example of 1451.4 Class 2 bridge sensor is implemented. Details of sensor implementation and test results will be presented.