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GF 流量計

2016-12-02View Original

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達人にお伺いします。センサーから表示パネルまでどのような信号が流れるのでしょうか?
Reply #22016-12-03
一般的には4~20mAが多いです
Reply #32016-12-03
表示パネルへのPLCからの信号は電流信号で、一次計器から表示パネルへのものはそうではないはずです
Reply #42016-12-03
あらゆる信号があり、電圧、電流、抵抗
Reply #52016-12-04
一般的には電流信号ではなく、私が遭遇したのは232が多かったです。485を使うものもあります。

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