Slide 1 Slide 2 Slide 3 Slide 4 Slide 5 Slide 6 Slide 7 Slide 8 Slide 9 Slide 10 Slide 11 Slide 12 Slide 13 Slide 14 Slide 15 Slide 16 Slide 17 Slide 18 Slide 19 Slide 20 Slide 21 Slide 22 Slide 23 Slide 24 Slide 25 Product List
RS-Slide17

The bidirectional multi-drop network shown on this slide is not very practical. Because RS-422 allows only one driver on a bus, each slave that talks back to the master needs a separate twisted pair, and the separate busses mandate an additional receiver in the master for each slave it must listen to. Obviously this gets very expensive, so RS-422 typically is used for only point-to-point or multi-drop applications such as control systems, rather than for bidirectional data collection systems.

PTM Published on: 2016-01-04