A new gateway to safe control across networks?

摘要

Paul Hingley of Siemens Automation & Drives, looks at developments in fieldbus networks technologies for safety control systems. In 2000 a development in the philosophies of automation and safety control systems occurred when two separate networking worlds were created - the AS-Interface Safety at Work profile (or ASiSafe) and ProfiSAFE, the functional safety profile of Profibus.