| Item Description | Isolator / one in one out analog input isolator / the analog output isolator isolates and outputs the 0/4 ~ 20MA signal generated in the control room to drive the electrical converters, valve positioners and other actuators on site. It also supports bidirectional HART signal transmission. This product has the function of detecting output line open circuit and short circuit faults. This product requires independent power supply, with three isolations of power supply, input and output |