KV-XCM02 RDB Connection Function User's Manual

This manual describes the RDB connection function of the KV-XCM02 communication unit, which enables a PLC to exchange data with a relational database (RDB) using dedicated function blocks (FBs) and TCP/IP communication. It covers features such as ladder program-based database access, support for up to 4 simultaneous RDB connections, encrypted communication, and automatic data recovery during communication failures.