SCADA systems can now connect to Siemens PLCs via the Ignition OPC-UA Server. The Ignition Siemens Drivers Module includes three drivers that enable communications with Siemens S7-300, S7-400, and ...

Supervisory Control and Data Acquisition (SCADA) technologies were adopted early by the electric utility industry to assist in the monitoring of the widely distributed grid. Electric utility SCADA has ...