SIMATIC PNPN Coupler for deterministic data exchange between a maximum of PN controllers on each side, even across network boundaries. Transmission of PROFIsafe, IO, MSI, MSO, and data record communication, redundant power supply PN connection via SIMATIC BusAdapter BA, delivery without BusAdapter. The SIMATIC PNPN Coupler provides a simple and efficient way to connect machines and facilitate communication between controllers via PROFINET. Maximum productivity, performance, and availability are ensured by supporting the latest specifications. Efficient engineering and flexible deployment, regardless of the connection technology used, reduce costs during engineering and commissioning. Simple fault localization and device replacement without additional hardware or memory card also simplify handling in case of errors. All SIMATIC ET 200SP BusAdapters are supported and provide a universal PROFINET interface. 6ES7158-3AD10-0XA0.