Emerson's drive integration

Many control schemes call for redundancy, requiring intermediary equipment to integrate final control devices such as variable-frequency drives (VFDs).
Feb. 23, 2023

Many control schemes call for redundancy, requiring intermediary equipment to integrate final control devices such as variable-frequency drives (VFDs). To simplify this common architecture, a Profinet System Redundancy (PNSR) communications card plugs into PACMotion VFDs, simplifying high-availability communications between VFDs and Emerson’s PACSystems RX3i programmable logic controllers (PLCs) and edge controllers. PACMotion VFDs are designed to offer plug-and-play startup, auto-tuning and simplified programming via configuration tools incorporated directly within PAC Machine Edition software. An optional PNSR communications card enables direct connection and control of PACMotion VFDs in hot standby PACSystems redundant architectures, improving availability of the VFD in the event of a single controller or communications link loss. The communications card provides high-availability control functionality, maximized uptime and improved availability.

The VFD PNSR is designed to allow users to simplify and save up to 15% on integration products and efforts and is compatible with all PACSystems PLCs and edge controllers that support high availability. This communications card, once installed in the VFD option card slot, is designed to ensure easy and seamless direct connection to VFDs without requiring any other intermediary controllers or external components.

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