Star Topology (Non-redundant field device communication)

If no redundant field communication is required (e.g. for testing purposes) a star topology with a simple switch can be used. The switch (if managed and operating a ring or not) is a single point of failure, but PLCs are redundant.

Each CI52x module and PLCs in the network are connected to using one to one cable between device and ETHERNET switch or a daisy chain of several.

Example Non-redundant star topology (switch is single point of failure: Non-redundant communication from switch to CI52x modules)