Analysis of Common Industrial Protocol Families: OPC and OPC DA Protocols in Industrial Control Systems
Background of OPC Protocol Before the emergence of OPC, the industrial automation field faced a significant challenge: Diverse hardware devices: Factories have PLCs, DCS, instruments, sensors, drives, etc., from hundreds of different manufacturers. Diverse software requirements: There are monitoring software (SCADA/HMI), Manufacturing Execution Systems (MES), historical databases, ERP systems, etc., from different companies. Diverse communication … Read more