搞哪種FCS ?既然確定搞FCS,面對種類繁多的現(xiàn)場總線,應(yīng)該搞哪種呢?分析現(xiàn)場總線多樣性產(chǎn)生的原因,有助于理清這一思想。造成現(xiàn)場總線多樣性的局面,一是因為行業(yè)習慣,如Profibus一直應(yīng)用于PLC行業(yè),F(xiàn)F應(yīng)用于儀表行業(yè);二是由于利益沖突,各工控廠商都不愿意放棄自己的標準而喪失已占用的。顯而易見,現(xiàn)場總線標準統(tǒng)一尚為時過早。鑒于此,對于我國工控界的發(fā)展,建議采取以下策略:
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