Emerson adds PROFINET protocol to automation system platform

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Emerson Process Management, with strategic partner for industrial Ethernet MYNAH Technologies, will add PROFINET protocol to the DeltaV digital automation system. Adding to the system’s bus compatibility offerings, PROFINET will join PROFIBUS DP and other protocols as an option in motor control centres, variable speed drive and other applications in process automation businesses.

Other Ethernet-based protocols already supported include Modbus/TCP and Ethernet/IP via a Virtual I/O Module (VIM) interface with the DeltaV system. Release of a new drop-in replacement interface called VIM2 will enable inclusion of the PROFINET protocol.

Emerson Process Management’s chief strategic officer Peter Zornio says: “PROFINET for motor control centres, variable speed drives and other equipment is a growing bus protocol choice in process industries. This addition ensures our users have the full spectrum of system solutions. A big advantage of this and other Ethernet protocols is that they utilise commercial-off-the shelf network technologies, which helps reduce overall costs and training.”

VIM2 with the PROFINET driver will support multiple levels of network availability. Low availability requirements are satisfied with simplex VIM2 modules and standard COTS network equipment. Medium availability or reliability will be supported with simplex VIM2 modules with media redundancy network topology. High availability requirements are met using redundant VIM2 modules with the built-in Ethernet ports communicating through media redundancy, without external switches.

The VIM2 interface also allows separation of the DeltaV control network from the PROFINET network like a firewall. The VIM2-based PROFINET architecture enables users to optimise expansion activities or perform maintenance operations on MCC and variable speed drives in remote locations from a laptop using vendor-specific diagnostic tools, while constantly monitoring applications from a centralised network. The VIM2 interface and firewall function allow this high level of access without sacrificing control system security integrity. The PROFINET protocol running on the VIM2 will be available in November 2014.

To learn more about the VIM2 interface, please visit

29 November 2013

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