People ask, what is the difference between industrial Ethernet and standard Ethernet? Contemporary Controls, an industrial network specialist company, provides an answer to this question.
"We say that industrial Ethernet conforms to the IEEE 802.3 family of standards, but is designed for the rigours of industrial and commercial applications. An excellent example can be found in the building automation industry where there is a requirement to conform to UL 864 - control units for fire-protective signalling systems.
"Ethernet can be used for signalling as long as the entire system is UL 864 listed. To assist the OEM in obtaining this listing, Contemporary Controls had two of its CTRLink industrial Ethernet products 'recognised' as UL 864 components. The EIS8-100T eight-port 10/100 Mbps all copper switch and the EIS6-100T/FT carry the required RU label. Both units needed to pass the rigorous UL 864 test that includes:
* 6000 volt supply line transients.
* 2400 volt signal circuit transients.
* 5000 volt input voltage surge.
* 115% of rated voltage overload.
"There were other requirements, such as specific temperature and humidity tests and reliability calculations, that were accomplished. By specifying these CTRLink products, the OEM can speed up the UL 864 qualifying process.
"There is a difference when selecting industrial Ethernet products."
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