The Siemens 6ES7131-4BB01-0AB0 is an electronic module designed for integration within the SIMATIC ET 200S distributed I/O system. This module features two digital inputs (DI) with high feature capabilities, supporting 24 V DC operation. Each unit has a compact 15 mm width, making it suitable for installations where space efficiency is critical. The 6ES7131-4BB01-0AB0 includes a parameterizable input delay and offers diagnostic functions such as encoder short circuit detection, indicated by an SF LED for group faults. The product is supplied in a pack of five modules, making it efficient for larger-scale projects or maintenance needs. Brand: Siemens Compact 15 mm width for space-saving installation Advanced diagnostics with SF LED for rapid fault identification Reliable 24 V DC operation with high feature digital input support