The diagnostics repeater for PROFIBUS DP connects PROFIBUS DP segments with RS 485 technology. It also physically monitors the copper bus lines in online mode.

If an error occurs, it sends a diagnostic message to the DP master with detailed information on the type and location of the error.

The diagnostics repeater is a standard slave. It can be operated on any DP master that supports the standard RD_REC and WR_REC services. To record the topology, you will need either STEP 7 or COM PROFIBUS.