On Some Details of the Intrinsically Safe Circuit Design

介紹了工作在危險區(qū)域中的本質(zhì)安全電路通過阻止工作在危險區(qū)域中的儀器和低電壓電路釋放出足夠的能量即限制超過標(biāo)準(zhǔn)的以電壓和電流形式存在的電能而使電路達(dá)到本質(zhì)安全的原理。闡述了模擬量輸入輸出和數(shù)字量輸入輸出的安全柵是如何保證各種應(yīng)用是本質(zhì)安全的。最后給出了本質(zhì)安全系統(tǒng)的接線、安裝、接地維護(hù)和故障診斷等細(xì)節(jié)。

The article presents that the intrinsically safe circuit can stop the instruments and low voltage devices such as thermocouples, analog I/O, digital I/O working in the hazardous area from emitting excessive energy which exists in the forms of electric voltage or current and maintain the working devices safe intrinsically by using intrinsic safe barrier and gives some information on the details of wiring, installing, rounding, sealing, maintaining and detecting of the intrinsically safe system .