Siemens 6ES7131-4BD01-0AB0The Siemens 6ES7131 4BD01 0AB0 digital input module is engineered for seamless integration with Simatic ET 200S and S7 systems. This high performance module features four digital inputs that operate at 24V DC, while its compact design, measuring just 15 mm in width, ensures efficient use of space. It includes advanced functionalities such as input delay diagnostics and encoder short circuit detection, complemented by an SF LED to indicate group fault