ET/S 4.2.30 4-Fold Binary Input Operating Instructions

This document is an operating instruction manual for the ABB i-bus EIB 4-fold binary input device (type ET/S 4.2.30), which connects four 230 VAC switching or keying signals to an EIB installation bus. It provides technical data, safety instructions, connection diagrams, and commissioning procedures for the device, which features four isolated inputs with screwless terminals and is mounted on a DIN rail.