信号発生器
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4線式の計測器に信号発生器から信号を送る方法を教えてください。4線式は受動型の信号で、電源を供給しないと信号が送れません。どなたか詳しい方、4線式の計測器に信号発生器で信号を送るにはどうすればよいかご指導ください。よろしくお願いします
これは現場の4線式計器を外して、DCSに信号を送るものだと思います。一般的な信号発生器にはアクティブモードとパッシブモードがあり、この場合はパッシブモードを使えばよいでしょう。
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