What is a tag in SCADA System?

SCADA is a Supervisory monitoring system which displays field instruments in field in computer system using SCADA software.Its playing vital role in Oil& Gas Industry,Power Plant etc.

Tags are used to create connection between Field Instrument and SCADA system.

By interlinking PLC ‘s I/O to tags you created in SCADA using communication link like RS Enterprises (Allen Bradley) we can run a program.

Author - Hema