According to Siemens they are “the world market leader in digital protection technology … from the experience out of an installed base of more than 1 million
devices and 200,000 with IEC 61850”.
Often people ask, why are the many fieldbus users groups (for CAN, PROFINET, POWERLINK, EtherNet/IP, EtherCAT, SERCOS III, Foundation Fieldbus, ControlNet, DeviceNet, …) more active than the UCA International Usersgroup (representing IEC 61850)? One reason seems to be this: most of the 50+ fieldbus solutions are competing with each other. It is no surprise that each users group tries to promote the benefits and the success of their solution.
IEC 61850 does not seem to have (serious) competitors – so it is not required to do a lot of marketing by a users group.
Click HERE for a brochure from Siemens on their relays (Relay Selection Guide, pdf).
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