RN42 Intrinsically Safe Isolation Barrier Manual

This document details the Endress+Hauser RN42 intrinsically safe isolation barriers, which provide galvanic isolation and transmit 0/4-20 mA analog signals from hazardous-area process instruments to non-hazardous control systems. It includes specifications for 1-channel models with screw or push-in terminals, HART communication support, wide-range power supply (19.2-253 VAC/DC), and wiring diagrams.