Bus (also called line)

AC500 PROFINET® in bus topology

A ring structure is not allowed in AC500 PROFINET®.

According to requirements, topologies can be combined and mixed.

An easy controller-device-system consists of a controller CM579-PNIO and a certain quantity of CI50x-PNIO (if necessary expanded with S500 expansion modules). A typical constellation is described in the part “PROFINET® configuration example”.

Example for a common PROFINET® system