National Instruments PCI-8430 - Half Duplex

HalfDuplex
Atypicalhalf-duplexmultidropbusarchitecturealsoinvolvesamaster-
slaveprotocol.However,inahalf-duplexsystem,alltransmittersand
receiversareconnectedtothesametransmissionline.Ahalf-duplex
systemisoftenreferredtoasatwo-wiresystem.Thefollowingfigure
showsatypicalhalf-duplexsystem.
TypicalHalf-DuplexSystem