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Emerson has announced an approach to redundancy for Smart Wireless monitoring and control solutions.

Available with the DeltaV S-series digital automation system, full redundancy protects the wireless network from any single point of failure by allowing primary failover to ensure that data is always delivered, even if there is a malfunction.

The enhancements include redundant wireless I/O, power and communications and a redundant Smart Wireless Remote Link.

The Remote Link can be mounted in class 1/Div 1/zone 0 and easily links the wireless field network into a DeltaV system, which makes an optimised PID available for wireless control.

The full redundancy increases the strength of Smart Wireless technology as a complement to wired and bus approaches on capital projects.

Smart Wireless is based on the WirelessHART standard, which is designed for control and monitoring applications.

Smart Wireless devices based on the WirelessHART standard deliver 99.9 per cent reliability because of the self-organising nature of the network.

Devices that conform to the WirelessHARTspecification can sense measurements at update rates up to once per second.

WirelessHARTalso allows exception reporting for network efficiency and devices only communicate a measurement value if it has changed significantly since the last communication or if the time since the last communication has exceeded a required reporting time, optimising battery life.

Emerson Process Management – Wireless

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