What is OPC?

What is OPC?

Available Choices (select all choices that are correct)
A . An open standard protocol for real-time field bus communication between automation technology devices
B. An open standard protocol for the communication of real-time data between devices from different manufacturers
C. An open standard serial communications protocol widely used in industrial manufacturing environments
D. A vendor-specific proprietary protocol for the communication of real-time plant data between control devices

View Answer

Answer: B