I encountered such a problem with the school network today

2011-10-12View Original

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Today I encountered such a problem: while wiring the thermal resistors, I found that the resistance value was 4K. Why is that?

Reply #22011-10-12

The wire resistance is high because the wire is too long, there are joints in it, oxidation occurs, and the connections aren’t good enough, and so on!

Reply #32011-10-12

Measure the line resistance of each individual wire and the resistance value of the thermal resistor.

Reply #42011-10-13

The thermal resistor is broken, or the wiring is aged

Reply #52011-10-13

It was found that the wire hadn’t been properly secured; there was an insulating layer

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I encountered such a problem with the school network today

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