HomeProductsLegacy Products Legacy Products To ensure long-term system compatibility, we continue to offer selected OPC UA and OPC Classic products along with their corresponding support. Gateways & Data Logging Prosys OPC UA Historian Connect to any OPC UA-compatible device or automation system and start logging data Prosys OPC UA Modbus Server Simple to configure and fast to deploy, providing secure access to your Modbus devices in just a few minutes Simulation & Test Tools Prosys OPC Simulation Server Stand-alone OPC Classic server for validating connections and testing client applications Prosys OPC Classic Client Browse and visualize data from any OPC Classic server How Can We Help You? Just leave a message and we’ll get in touch Contact Us