Helmholz GmbH & Co. KG Bus Coupler, 24 V dc

The Helmholz GmbH bus coupler is designed to connect a PROFINET bus to TB20 peripheral modules and it can accommodate up to 63 modules of any kind connected in series with the bus coupler also the bus coupler supports hot-swapping for replacing modules during operation. In addition, it will recognize all connected peripheral modules and assign each module the corresponding inputs/outputs from the process image table.

Media Redundancy Protocol (MRP)
Automatic addressing / hot-swapping (LLDP, DCP)
Topology detection