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AN214 - Smart Transducer Interface

Key Features

  • It is described by a machine-readable Transducer Electronic Data Sheet (TEDS).
  • The control and data associated with the channel are digital.
  • Triggering, status, and control are provided to support the proper functioning of the channel. A STIM contains the TEDS, logic to implement the transducer interface, the transducer(s) and any signal conversion or signal conditioning. A STIM is controlled by a NCAP module by means of a dedicated digital interface. This interfac.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AN214 The PICmicro® MCU as an IEEE 1451.2 Compatible Smart Transducer Interface Module (STIM) Authors: Richard L. Fischer Microchip Technology Inc. Jeff Burch Agilent Technologies The IEEE 1451.2 standard provides the means to connect sensors and actuators to a digital system, typically a network, via a Network Capable Application Processor (NCAP). Figure 2 depicts a general distributed measurement and control application and Figure 3 depicts the functional boundaries relating to the transducer interface standard, namely IEEE 1451.2. In simplest terms, the IEEE-1451.2 standard does the following: • Defines a digital interface for connecting transducers to microprocessors. • Describes a TEDS, “electronic data sheet”, and its data formats.