搞哪种FCS ?既然确定搞FCS，面对种类繁多的现场总线，应该搞哪种呢？分析现场总线多样性产生的原因，有助于理清这一思想。造成现场总线多样性的局面，一是因为行业习惯，如Profibus一直应用于PLC行业，FF应用于仪表行业；二是由于利益冲突，各工控厂商都不愿意放弃自己的标准而丧失已占用的。显而易见，现场总线标准统一尚为时过早。鉴于此，对于我国工控界的发展，建议采取以下策略：
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