So establishing communication between systems employing different protocols. A media converter is a example of a sophisticated form of protocolconverter.
使用不同规约的系统，可用这个装置联系。媒介转换机是一种较为精密的规约转换器。
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Finally a small process control system, in which the core device was multi protocolconverter and the controlled object was a small boiler, was constructed.
A multiple protocolconverter developed by using protocol conversion principle is introduced finally, it supports industrial Ethernet and multiple field bus technology conversion.