Sniffer

Sniffer | Device or protocol for reading the data flow in a fieldbus (purpose: error diagnosis and analysis, e.g. counting timeouts, recording signal strengths, etc.). PROFIBUS sniffers can be set in Delphin devices: A PROFIBUS sniffer data link is a channel under a PROFIBUS sniffer protocol for passively monitoring the data exchange between a specific slave and its master in a fieldbus.