Consider these criteria in deciding where wireless fits in today’s CPI plants and the explosive atmospheres that permeate them
Stephan Schultz, R. Stahl
Wireless communications have great potential in the chemical process industries (CPI) because they do away with complex and costly cable installations and enable completely new applications. And while a recent wave of successful demonstrations has begun to emerge in the CPI (for more, see CE, Nov. 2009, p. 17–23), a number of hurdles stand in the way of a completely wireless Utopia. In most cases, the totally reliable, uncompromised availability of a production plant remains a paramount objective, and it will therefore likely take some more time before radio transmissions of critical signals in control loops take root....
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