Patent ID: 8391317
Filing Date: 2013-03-05
Classification: H04L

Abstract:
1. A data transmitting system for a serial bidirectional bus comprising: a control device comprising a send and receiving unit for data fields combined into a data frame, and a plurality of bus subscribers connected in series to the control device, each bus subscriber comprising an evaluation circuit for reading in and reading out data fields in data frames, wherein each bus subscriber comprises a test circuit to determine whether it is located at a bus end of the series connected subscribers opposite of the control device, at least the bus subscriber at the bus end comprising a send device for a data frame, wherein the at least the bus subscriber at the bus end comprises a control stage which is activated by a received data frame sent by the control device over the series connected plurality of bus subscribers and triggers the send device depending on the receipt of the data frame, the send device being structured to send a data frame over the series connected plurality of bus subscribers in the direction opposite a send direction of the data frame sent from the control device, wherein the sent data frame from the send device contains at least data fields for all subscribers and said data frame is handed over from one bus subscriber to the next bus subscriber.