Generate event and alarm messages. OPC Data Access is a group of client-server standards that provides specifications for communicating real-time data from data acquisition devices to display and interface devices. The OPC AE module interfaces with various control systems including SCADA and BMS. Example – The OPC module can be used to communicate real-time data from Programmable Logic Controllers (PLCs) to display and interface devices such as Human-Machine Interfaces (HMI), SCADA systems and ERP/MES systems. The specifications focus on the continuous communication of data.
