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Process control platform features 'I/O on demand'

12 January 2010

Emerson Process Management has introduced the S-series process control platform featuring “I/O on Demand” and Electronic Marshalling. The new DeltaV release (V11)includes major enhancements to all of the systems I/O processing, operator displays, asset management, batch capability and system security. These combined capabilities reduce customer project complexity, eliminate needless work, and speed system commissioning. I/O on Demand flexibility allows users to choose among traditional wired, wireless, bussed and Electronic Marshalling.

With I/O on Demand, users decide what type of I/O they want – Wireless, FOUNDATION fieldbus, HART, AI, AO, DI, DO, DP, T/C, or RTD. They decide when they want the I/O, whether for late project changes, during start-up, during operation, or temporary installations; and where they want the I/O, whether in a rack room, remote locations, hazardous areas, safety systems, or harsh environments. The DeltaV S-series enables this freedom of I/O choice and ease of implementation.

Further advantages are available with Electronic Marshalling, a powerful new technology that streamlines design and installation for users. The marshalling approach eliminates two-thirds of the wiring and connections needed by today’s conventional marshalling cabinets. A striking new technology invented with the S-series – new single channel CHARacterisation ModuleS (CHARMS) – make this possible. CHARMS relay I/O information to any DeltaV controller via an Ethernet backbone. This unique electronic communications method eliminates the need for users to wire I/O to specific controller I/O cards. This change can dramatically impact the users experience since it provides single channel integrity and flexibility down to the channel (not I/O card) level. These benefits improve plant uptime, and make projects simpler and easier to engineer and implement.

Beyond making the normal project tasks easier, another significant benefit from Electronic Marshalling is dealing with change. Whereas traditional project engineering requires major time and cost in changing rack-room I/O wiring and terminations, as process design is refined during project execution and construction, the DeltaV S-series hardware with Electronic Marshalling makes changes easy and eliminates re-wiring. Simply terminate the field wires, insert the CHARM and electronically marshal the signals. By adapting to change easily, Electronic Marshalling allows process manufacturers to shorten project schedules, accommodate late project changes, and dramatically simplify the I/O and marshalling design process. This late binding of process changes provides unparalleled adaptability and can help avoid costly, last minute change orders.

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