Communication Protocols in Level Measurement Explained

Level measurement instruments are made ‘intelligent’ and able to communicate to your computer network by the inclusion of communication protocols (like HART, Profibus, Foundation Fieldbus and Modbus) within the instruments, helping to enable easy plant measurement and maintenance. These ‘intelligent’ level instruments can be read by signal conditioning systems and other digital communication systems, which can transfer relevant plant information to your networked computer, and from there anywhere in the world!

This  information from plant to desktop is made even more efficient by the ‘multi dropping’ of HART, Profibus and Foundation Fieldbus transmitters, which  decreases wiring volumes, infrastructure requirements, and also allows combinations of different technologies, brands and manufacturers to share the same cables. 

There are digital communication systems available that offer control over maintenance by allowing remote monitoring of performance and diagnostics.  Sensor settings can also be saved, just in case there need to be a fast replacement, in the unlikely event of any failure.

More information on Foundation Fieldbus and Profibus Transmitters

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2. Field Device Technology (FDT) Explained
3. Principles of Good Measurement – Nucleonic Non Contact Continuous Level Measurement
4. Device Type Manager (DTM) Explained
5. Level Measurement Control – Some Criteria to Consider