PROFIBUS Manual

Diagnostic sockets

Diagnostic sockets

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Diagnostic sockets

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To allow network analysis and fault tracing, at least one connector in each segment should include a diagnostic socket (see adjacent picture). We recommend designing this diagnostic connector into the class 1 master (of the controller).

 

 

This additional connection allows a bus monitor or programming unit to be connected directly to the bus while it is running, without interrupting the network. These diagnostic connectors must not, however, be used for improper stub lines.