| Description de l'article | Isolated safety barriers / the surge protection analog output isolated safety barrier CAN realize the isolation and transmission of the 4~20MA signal of the instrument in the safe area to the dangerous area, drive the valve positioner, electric/gas converter and other equipment on site, and support the two-way transmission of HART digital signals at the same time, and has a disconnection alarm function. This product needs to be powered independently, and the power supply, input, and output terminals are isolated |