La Telemecanique Electrique

Jean-Marie Grave

A method for the management of a memory of message or similar information in a station of a data transmission network, having a bus arbitrator governing the access, to the bus, by the different stations, wherein the emission of messages by a station implies the sending, to the arbitrator, of a corresponding request and the storage, by this arbitrator, with the order being preserved, of all the requests received by the station, then subsequently the sending, by the arbitrator, towards the station considered, of permission to emit. The method comprises steps of the storage, successively in the memory, of the pieces of information to be emitted, with their order being preserved, the modification, when a request is accepted by the arbitrator, of the value of an index of access to said memory and the emission, whenever permission to emit is received by the arbitrator, of the information designated by an indicator indexed by said index. Also disclosed is a station to implement the method.

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Mareil Marly, France

Jean-Marie Grave