1. 3SU1401-1BG30-1AA0 is a dual-channel contact input module produced by Siemens. It is used to connect two discrete control signals to the SIMATIC S7-1200 automation system.
2. The module operates with a line angle of 15-30 VAC/DC, and has two isolated channels to provide reliable and precise communication. Each channel has a direct PNP connection, as well as LEDs to visually monitor the input status.
3. It is housed in a compact, DIN-rail mountable housing for easy installation in a variety of residential and industrial settings. It also has a built-in overtemperature, short-circuit and undervoltage protection system.