
It provides connections to devices on networks such as EtherNet/IP, Devicenet, ControlNet, and older serial networks like DF-1, DH-485, and DH+. RSLinx Classic is the communication driver that Rockwell has been using for many years. What are the differences between these products, and which do I need? RSLinx Classic Also, licensed versions of these products allow third-party (non-Rockwell) software to communicate with Rockwell PLC’s through OPC, an industry-standard protocol.

RSLinx and Factorytalk Linx are software programs that provide a communication connection for software to Rockwell Automation products like CompactLogix controllers and Panelview HMI’s.
