Verification Function of SCADA System

The design of verification function is based on the Pioneer primitive. The verification function consists of three main components: the ch...

Supervisory Control and Data Acquisition Architecture

A SCADA system is common process automation system which is used to gather data from sensors and instruments located at remote site and to...

Cyber Security Threat of SCADA Control Systems

The continuous growth of cyber security threat and attacks including the increasing sophistication of malware is impacting the security of...

SCADA Network Operation Outsourcing

A fundamental concern regarding SCADA security is the increased connectivity to other, internal or external, computer networks. The typica...

A Typical SCADA System

Perhaps the most common architecture for SCADA (Supervisory, Control and Data Acquisition) system is a hierarchically organized structure....

Data Transaction between PLC and Micro

The underlying protocol; for the data transaction is called Modbus Protocol. It uses a query-response cycle between a master and the slave...

Implementation of Epics Support

For each PLC , the vxWorks driver code arranges the tags in scan lists depending on the requested update rate. One thread per PLC handles ...