Siemens simatic et200sp - Network Structure

Introduction
3.1 AS-Interface
Safety engineering with AS‑Interface in the SIMATIC ET 200SP, including typical circuit diagram
10 Function Manual, 08/2020, A5E44991382002A/RS-AB/002
3.1.2 Network structure
Linear, star, and tree topologies are supported by the AS-Interface, making assembly practical
with hardly any restrictions.
Linear structure
Nodes
All devices are connected to a continuous cable.
Star structure
Nodes
The nodes are connected to one another in a star-shaped structure.