The Proposed IEEE 1451.6 Standard

 

IEEE P1451.6 is a transducer and closed-loop controller standard for operation in an intrinsically-safe cascaded network environment with multiple controllers on each level. The network transport layer is a serial CAN bus, which is implemented as an on-board serial interface in a variety of microcontroller families and as stand-alone CAN controller chips manufactured by several companies.

The application layer may be implemented free of licenses and royalties. The IEEE P1451.6 standard without the intrinsically safe definitions has been implemented in many transducer and closed-loop controllers as a CANopen Device Profile standard under the name DS404 for over ten years. Accordingly, this approach can be regarded as field tested and proven.

The IEEE P1451.6 standard further defines an open physical layer as intrinsically-safe.

 

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