Ijerin kayayyakinIDBMai rarraba wutar lantarki yana samar da wutar lantarki ga nau'ikan wayoyin biyu masu watsawa yayin da yake sanya siginar yanzu daga masu watsawa (4-20mA DC(canza siginar ƙarfin lantarki da aka keɓe da shi)1-5V DC(A matsayin fitarwa. aIjerin,ISBTsaro ƙofar ne muhimmin tsaro ƙofar da aka kafa da muhimmiyar aminci fashewa tsarin, shi ne haɗi da muhimmiyar aminci irin kayan aiki da aka saita a wani fashewa haɗari wuri (filin), iyakance halin yanzu, ƙarfin lantarki. Don haka makamashin lantarki da ya isa ya haifar da fashewa ba zai shiga wuraren haɗari ba.ITEzafin jiki/ƙarfin lantarki mai watsawa ne juya DCmVSignal, thermocouple ko juriya na zafi juriya da kuma sliding juriya da dai sauransu juriya canji siginar zuwa keɓewa1-5V DCsiginar haɗin kai. Lokacin auna zafin jiki, an haɗa shi da linearizer wanda ke sa zafin jiki ya zama daidai da shigarwa.