The Schleicher USP2I is a robust and scalable Secure IoT Gateway and industrial protocol converter designed for modern IIoT and Industry 4.0 applications.
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Description
The Schleicher USP2I serves as a critical bridge in industrial automation, consolidating data flow from diverse field-level networks. It efficiently collects data from PLCs, sensors, and drives using native industrial protocols like Modbus RTU/TCP, PROFIBUS DP, and PROFINET IO.
Security is fundamentally integrated into the design of the USP2I, not added as an afterthought. The gateway features a stateful inspection firewall to filter network traffic, supports secure VPN tunnels (IPsec, OpenVPN) for encrypted wide-area communication, and employs rigorous user authentication with role-based access controls.
For system integrators and plant engineers, the USP2I offers remarkable flexibility and ease of use. Its configuration is managed through a user-friendly web interface, and it supports advanced features like data logging to an internal microSD card and script-based logic for local data preprocessing.
Ultimately, the Schleicher USP2I is more than just a protocol converter; it is a future-proof platform for digital transformation. By enabling secure, bidirectional data exchange between the OT and IT worlds, it unlocks the value of machine data for analytics and optimization.
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FAQS
The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Can the USP2I gateway connect to both PROFIBUS and PROFINET devices simultaneously?
Yes, a key feature of the USP2I is its multi-protocol support. A single USP2I unit can act as a PROFIBUS DP master to communicate with older DP slaves while simultaneously operating as a PROFINET IO controller to connect to modern PN devices. It consolidates data from these diverse networks into a unified data model for secure upstream transmission via OPC UA or MQTT.
How does the USP2I ensure the security of data transmitted from the factory floor to the cloud?
The USP2I employs a multi-layered security approach. Its integrated stateful firewall filters all traffic between the OT and IT networks. For wide-area connections, it establishes encrypted VPN tunnels using IPsec or OpenVPN. Furthermore, all access to the USP2I's configuration is protected by mandatory user authentication with role-based access control (RBAC), preventing unauthorized changes and ensuring secure MQTT or OPC UA communication.
What is the advantage of using the USP2I for MQTT communication instead of a simple software client?
The USP2I provides a hardened, industrial-grade MQTT client with native support for the Sparkplug B specification. This ensures efficient, state-aware data publishing for IIoT. More importantly, it handles MQTT connectivity securely from within the OT environment without exposing PLCs directly to the IT network. Its built-in data logging and scripting also allow for local buffering and preprocessing of data before publishing, enhancing reliability and efficiency.
Can the USP2I operate as a data logger if the network connection to the central server is lost?
Absolutely. The USP2I is equipped with a microSD card slot for local data storage. In the event of a network outage, it can continue to collect and timestamp data from connected devices (via Modbus, PROFIBUS, etc.) and store it locally. Once the connection to the OPC UA server or MQTT broker is restored, the USP2I can transmit the buffered historical data, ensuring no data loss occurs during interruptions.