搞哪種FCS ?既然確定搞FCS，面對種類繁多的現場總線，應該搞哪種呢？分析現場總線多樣性產生的原因，有助于理清這一思想。造成現場總線多樣性的局面，一是因為行業習慣，如Profibus一直應用于PLC行業，FF應用于儀表行業；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，現場總線標準統一尚為時過早。鑒于此，對于我國工控界的發展，建議采取以下策略：
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