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Tag Archives: DNP3

SDI-12 compared to Modbus and NMEA 0183

Which protocol is the best? People may wonder, why use SDI12 when there are other protocols with far wider adaption than SDI12?  Two commonly encountered ones are  Modbus (in its many varieties such as Modbus-ASCII, Modbus-RTU, Modbus-TCP) and NMEA-0183  There are others like Profibus, HART and Fieldbus (widely used in process control applications), CANBus (automotive), DNP3 (for […]

SDI12 search popularity over time

Popularity of SDI12 compared to NMEA or Modbus The popularity of SDI12 relative to other serial protocols was investigated to see how it compared to the widely used industrial protocols and changed over time Interestingly, search popularity for all the major protocols has decreased over time, perhaps indicating an increased dominance of non-industrial search terms over time. […]

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