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Is PROFIBUS a single or multi-protocol technology?

April 26, 2017multi PROFIBUS Protocol Technology

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Is PROFIBUS a single or multi-protocol technology?

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Within PROFIBUS there is only one communication layer implemented which is; PROFIBUS DP. Based on this communication layer, several device profiles are defined in the application layer. These profiles provide common data, diagnostics and parameters for the end-user. Sometimes people are confused with PROFIBUS DP and PA, but the only difference is the physical interface. In fact, a PROFIBUS PA device is a PROFIBUS DP device with an application profile suited for the process industry.