| 摘要 |
PURPOSE:To simplify the circuit constitution, and to prevent influence on any other station when either a repeater or transmission line is in trouble on one loop transmission line, by transferring input-output data via the repeater. CONSTITUTION:In remote station RST, the data received by repeater 31 are compared by RST controller 32 in terms of address, the data are inputted or outputted from process input-output board 34 depending upon the content of a command druing the request to the station, and an answer signal is transmitted to master station MST via repeater 31. |
