Aplicação da IEC 61508 na Prototipação de Protocolos Seguros de Comunicação

  • William Vidal UFRGS
  • Rodrigo Dobler UFRGS
  • Sérgio Cechin UFRGS
  • Taisy Weber UFRGS
  • João Netto UFRGS

Resumo


Visando garantir os níveis de segurança funcional adequados para a correta troca de informações entre os dispositivos de controle e instru- mentação em uma planta industrial, as normas IEC 61508 e IEC 61784-3 impõem o uso de protocolos de comunicação seguros. A codificação desse tipo de protocolo deve ser realizada caso a caso e certificada para cada novo equipamento de automação. Neste contexto, este artigo apresenta um protótipo do protocolo PROFIsafe. A construção do protótipo partiu da especificação do protocolo e seguiu as recomendações da norma IEC 61508 para o desenvolvimento de software embarcado de segurança. O conjunto de regras e padrões de codificação desenvolvidos e a experiência na validação do protótipo serão aplicados no desenvolvimento de equipamentos para sistemas instrumentados de segurança.

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Publicado
05/05/2014
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VIDAL, William; DOBLER, Rodrigo; CECHIN, Sérgio; WEBER, Taisy; NETTO, João. Aplicação da IEC 61508 na Prototipação de Protocolos Seguros de Comunicação. In: WORKSHOP DE TESTES E TOLERÂNCIA A FALHAS (WTF), 15. , 2014, Florianópolis/SC. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2014 . p. 147-159. ISSN 2595-2684. DOI: https://doi.org/10.5753/wtf.2014.22953.