Labels:and circuit | circuit OCR: Control room Galvanic isolation Sensing resistor EXC 10-24 Vdo excitation EXC supply Sianal AC source 4-20 mA current loop SIG LO Main poaro sensing with resistor SIG H Isolated 2-wire transmitter Model IDP or 2002B digital panel meter with electrically floating excitation supply board sensinc pane floatino