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English Translations » 【仪表自控交流圈】 » What are cold circuits and hot circuits?

What are cold circuits and hot circuits?

2017-11-27View Original

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Recently, a long belt conveyor was put into operation at the company, and the colleagues in charge of instrumentation said that it was necessary to work on the cold circuit first, followed by the hot circuit. I’m not quite sure what it is; please advise.
Reply #22017-11-28
The circuit that is powered is hot, while the circuit that is not powered is cold.
Reply #32017-11-28
The circuit that is powered is hot, while the circuit that is not powered is cold.
Reply #42017-11-28
It’s just static and dynamic debugging~~
Reply #52017-11-30
Prevent equipment damage caused by thermal expansion.

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Translated at 2026-07-21 02:44:27

Original: https://bbs.hcbbs.com/thread-1872659-1-1.html

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