Abstract
The implementation of interaction between high-voltage power equipment with computer network devices in monitoring systems involves the use of proprietary Internet protocols that do not meet the criteria of free software and are not always compatible with the Internet protocols of personal computers. To solve this problem, it is proposed to use an intermediate link between the industrial and computer networks. This link is a network bridge built using the PPP protocol, which unites automatic devices equipped with UART interfaces with a computer network of the 802.11n (Wi-Fi) standard. The article presents several models for organizing bridges: a centralized network bridge on the side of a router and client computer, a distributed bridging system, and a dedicated bridge. Based on the accomplished analysis, it is recommended to use a centralized model for a network that has to comply with more stringent reliability requirements. If there is a need to have simultaneous access to several automation devices and high data exchange rates, a distributed model should be used. A dedicated bridge is used only in special cases, for example, when a high compactness is required in implementing a monitoring system.
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