Labels:and circuit | clock OCR: Control Relay outpu alarm Galvanic isolation 19990 9999 Contro room 4-20 mA Sional Sensing source resistor IR 508B 2 5588 INECE or INFF loop-powered AC-or DC -powered process indicator process indicator with relay option Isolated 2-wire Loop power provided transmitter by control output Sianal 558B INFCP INFP