Communication
What is OPC (OLE for Process Control)?
Definition
A standardised software interface that enables communication between industrial automation applications from different vendors. OPC servers and clients allow SCADA, HMI, and historian systems to share data with PLCs and drives.
Related Terms
SCADA
Supervisory Control and Data Acquisition — a system that monitors and controls i...
HMI (Human-Machine Interface)
A touchscreen or panel device that allows operators to monitor and control indus...
Industrial Ethernet
Ethernet-based communication protocols adapted for real-time industrial control ...
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