Modernize your old DCS with a new HMI

Simatic PCS 7 open OS HMI can add the functions of a current interface to an older DCS, improving capabilities, and extending system life without major capital cost.


Siemens HMI

Simatic PCS 7 open OS HMI

In these times of extending the life of older assets and doing more with less, Simatic PCS 7/Open OS HMI from Siemens Industry enables process plant managers to extend the life of their current distributed control system (DCS) while upgrading to the functions of a modern human machine interface (HMI).

Siemens says it has validated this approach over the past five years on other open operating system migration products. Using open OS provides a framework that allows plants to customize data, faceplates, and symbols while retaining existing controllers, intellectual property, and field wiring. The system includes database automation to simplify configuration for use with non-Siemens controllers by providing an easy to use interface to define HMI relevant data in the controller or PLC.

Additionally, the system provides standard PCS 7 runtime strategies for alarm detection, display and response, graphics navigation, and data synchronization. As a result, the company says the costs and engineering work needed to implement alarm handling and graphics navigation strategies are eliminated.

"End users can work directly with local Siemens solution partners who are experts at creating customized PCS 7 OS symbols and faceplates as well as connecting to the existing DCS," says Ken Keiser, Siemens migration marketing manager. "Additionally, they can provide local support as needed throughout the lifetime of this solution. All in all, the flexibility of the system is ideal for companies that want to create their own DCS migration strategies."

-Edited by Peter Welander, process industries editor,
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