Siemens DCU – DataHub combination:
The DCU’s data diode technology, designed for Industrial Internet connectivity, and the DataHub’s secure-by-design architecture, ensure that data flows in one direction only.
Connected to the DataHub, the DCU gains access to data from any client or server for any supported protocol: OPC UA, OPC DA, MQTT, Modbus, DDE, ODBC, and more.
The DataHub has been extensively tested by Siemens Mobility to act as a secure and easy-to-configure One-Way Gateway (OWG) for the DCU.
The Data Capture Unit (DCU) from Siemens Mobility is a small, reliable and cost-effective hardware implementation of data diode technology designed for Industrial Internet connectivity. It is designed to eliminate any direct wired (optical or copper) physical connections. This allows the DCU to meet all major cybersecurity regulations for critical infrastructure and to operate in rugged environmental conditions (industrial and transportation). Typically located on the edge of the network, the DCU provides boundary protection for the Operations Technology (OT) network, and a secure bridge when connected to the Information Technology (IT) network.
The DataHub has been extensively tested by Siemens Mobility to act as a secure and easy-to-configure One-Way Gateway (OWG) for the DCU. The DataHub software collects and filters data on the OT side, supporting protocols like OPC UA, OPC DA, OPC A&E, and Modbus. The data is then sent via the DCU to a second DataHub on the IT side, which pushes it along by TCP or ODBC to IT applications, or by MQTT to Siemens’ IoT platform MindSphere or other cloud services. The DataHub’s secure-by-design architecture is fully compatible with the DCU’s one-way model, and allows industrial protocols like OPC UA and others to function seamlessly with the DCU.
Working together, the DCU and DataHub provide a secure OT – IT bridge and vendor-neutral connectivity, supporting main industrial protocols. The DCU ensures the highest safety and security level for the protected assets, while the DataHub enables real-time secure connectivity across a wide range of protocols on both sides of the connection. Both the hardware and software have been proven in the field for many years and are used in thousands of applications in virtually all industrial sectors.
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