FIELD: radio engineering, communication.
SUBSTANCE: method is implemented by adding to the device of two electronic and one relay switches, and switching of directions of information flows are performed by a microcontroller at the moments of network pause on the basis of analysis of activity of information sources.
EFFECT: improvement of reliability of the control system and ensuring of half-duplex operation in a network of two master subscribers due to automatic connection by means of the electronic switch to the RS-485 network of one of two master subscribers demonstrating the activity.
5 cl, 2 dwg
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