White papers

The perils of DIY DCS

Tim Sweet of Honeywell Process Solutions discusses some things to consider when evaluating DCS versus building a DIY distributed control system using a PLC-based architecture.

The DCS architecture has always focused on distributing control on a network so that operators can monitor and interact with the entire scope of the plant. As such, the classic DCS originated from an overall system approach. Coordination, synchronization and integrity of process data over a high-performance and deterministic network are at the core of the DCS architecture.

PLC architectures have focused on flexible and fast local control. Recent advances have added process control features. When PLCs and HMI software packages are integrated, the result looks like a DCS. But, all is not as it seems...

Company: Honeywell Process Solutions, Category: White Papers

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