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Is the temperature channel of the S7-200 damaged?

2010-12-23View Original

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The S7-200 temperature card has experienced channel burnout on several occasions; under what conditions does channel burnout occur? (I forgot whether it’s a thermocouple or a thermal resistor.)
Reply #22010-12-26
Thermal resistor burnout modules are still relatively rare
Reply #32010-12-26
Installing signal isolators or lightning protectors, etc.; I’ve encountered cases where thunderstorms caused 300 cards to get damaged

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Translated at 2026-07-24 20:23:39

Original: https://bbs.hcbbs.com/thread-779715-1-1.html

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