Hilfe

2017-05-28View Original

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Warum ist das Signal von 4–20 Milliampere in den Messsignalen nicht 0–20 Milliampere?

Reply #22017-05-28

Solange die Leitfähigkeit so ist, dass der Strom null wird, bleibt das unklar

Reply #32017-05-28

Zu schwache Signale sind instabil; wie kann es überhaupt zu einer Leitfähigkeit kommen, wenn das Signal null ist?

Reply #42017-05-28

Um den Signal-Nullpunkt vom elektrischen Nullpunkt zu trennen.

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Hilfe

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