Description
从理论上讲，一个DCS系统可以应用于各种行业，但是各行业有它的特殊性，所以DCS也就出现了不同的分支，有时也由于DCS厂家技术人员工艺知识的局限性而引起，如HONEYWELL公司对石化比较熟悉，其产品在石化行业应用较多，而ＢAILEY的产品则在电力行业应用比较普遍。用户在选择DCS的时候主要是要注意其技术人员是否对该生产工艺比较熟悉；然后要看该系统适用于多大规模，比如NT操作系统的就适应于较小规模的系统；最后是价格，不同的组合价格会有较大的差异，而国产的DCS系统价格比进口的DCS至少要低一半，算上备品备件则要低得更多。
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