Description
在DCS控制系统选型时，还要充分考虑到以下各个方面：为了确保控制系统的安全可靠性，该投入资金不能少，以充分发挥DCS技术优势。比如，控制器对数不能太低，以便于控制功能分配的合理分配；I/O模块的数量要合理，以便在分配IO通道时既可以避免重要信号的过度集中，以确保各I/O模件的余量合理等。
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