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AS-I repeater included optical interface
 Hlúpik, Martin ; Fiedler, Petr (referee) ; Štohl, Radek (advisor)
The aim of project is to develop and realize AS-I bus repeater with interface to optical wire. Communication over optical wires can prolong distances between AS-I units to hundred of meters. This solution is advantage in industry where each of AS-I units are placed far away of each other and electromagnetic field disturbance can affect communication over network. AS-I is lowest control level in industrial communication technology. Here, binary actuators and sensors in the field and process area are networked. Many of the devices connected, supply or require binary signals. The necessary data volume is small, but the speed of data transmission is very high. The first part of project is to design schematic and printed circuit board in developing system EAGLE 4.11. Verify function on testing board and make measurements with optical wire. A criterion for communication is data speed communication which has to be lower than 5ms in complete occupied 31 slaves’ bus. The second part of project is to made function sample of AS-I Repeatr and build it to package that is suitable for assembly to DIN ledge and into industrial electric switching cabinet.
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