The 6ES7131-4RD00-0AB0 from Siemens is an electronic module designed for the SIMATIC ET 200S distributed I/O system. This module features 4 digital inputs suitable for DC 24V NAMUR sensors and is engineered to handle industrial automation tasks reliably. With a compact width of just 15 mm, the 6ES7131-4RD00-0AB0 enables efficient use of control cabinet space. The integrated LED SF (group fault) indicator supports quick diagnostics and maintenance within production environments. Brand: Siemens – renowned for robust and reliable industrial automation technology Compact 15 mm module width allows for optimal space saving in control panels LED SF provides immediate group fault feedback, streamlining troubleshooting