FIELD: information technology.
SUBSTANCE: invention relates to data transmission, in particular, to data transmission between two subscribers of data transmission bus system. Technical result is achieved due to device for connection of bus subscriber to two-wire communication bus, allowing bus subscriber to send messages to other subscribers connected to bus, and receive messages from them, represented by sequence of dominant and recessive signal levels on bus lines, which device contains first means to establish dominant signal level in form of first preset voltage difference between two bus lines, by forming first electric current, enabled to establish recessive signal level in form of second preset voltage difference, not necessarily different from zero, between two bus lines due to flow of discharge current through resistors-terminators connected to bus lines, and containing one other means designed so that in presence of presettable or preset switching condition provide faster setting of one of signal levels by forming one other suitable electric current.
EFFECT: technical result consists in increase of flexibility in control on transmission messages via bus in real time.
20 cl, 6 dwg
