描述
对于只要求有一个接地的DCS系统,DCS系统的信号基准实际上始终处于一个不稳定的状态。当然,由于电势差可以忽略,根据实际实践,一般不会对系统的安全造成威胁。但当系统存在无法解释的异常问题时,应着重考虑接地问题。
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