OPC for Process control

OPC (Object Linking & Embedding for Process Control) is the world’s

most popular standards-based data-connectivitymethod.

OPC is the software interface standard that allows windows programs to communicate with the industrial hardware devices.

The OPC server is the software program that converts the hardware communication protocol used by PLC into OPC protocol.

The OPC is an industry standard set up by OPC foundation specifying the

software interface to a server that collects data produced by field devices and PLC.