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Ciencia e Ingeniería Neogranadina

versão impressa ISSN 0124-8170

Resumo

BARANDICA LOPEZ, Asfur; LEON CASTRO, Edwin Andrés  e  BRAVO RUANO, Erik Javier. A LINK BETWEEN AN AUTONOMOUS DEVICENET SCANNER AND SOFTWARE VIA MODBUS/TCP. Cienc. Ing. Neogranad. [online]. 2012, vol.22, n.1, pp.151-164. ISSN 0124-8170.

ABSTRACT Industrial automation networks recently have boomed, including DeviceNet as one of the most popular protocols. In a DeviceNet network, slave devices usually sensors and actuators are identified, and at least a scanner in charge of configuring and managing network transactions. Such machine must communicate directly to other devices on DeviceNet network and deliver the collected information to send it to a higher hierarchical level equipment, such as a plc or a pcpc. Although there are specifications and recommendations to build a DeviceNet slave, there is not a clear pattern to implement the DeviceNet master or scanner nor a design of the communication link between the scanner and control equipment. In this paper we show a communication scheme specifically designed to support data exchange between a DeviceNet scanner and a software resident on a pc.

Palavras-chave : DeviceNet; scanner; Modbus/tcptcp; communication protocols; device-level buses.

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