The Sense And Non-Sense In Process Automation

Across multiple facilities - and even sometimes in the same facility with a number of them, furnaces are controlled by a range of process control systems and operational strategies. The application of furnace process control systems has become more diverse and more complex in order to achieve essentially the same common goal: a consistent and efficient melt. In this article, the author argues for a different approach to redundancy and fault tolerance when planning for the safety or a process.