Siemens 6ES7 133-1BL01-0XB0 Digital Input Module

Siemens 6ES7 133-1BL01-0XB0 is a SIMATIC ET 200L digital I/O module that provides 16 digital inputs and 16 digital outputs for 24 V DC devices, with each output rated up to 0.5 A. This combined I/O block is designed to be used as a distributed I/O module within the ET 200L family, allowing a controller to monitor sensors (via the inputs) and drive actuators (via the outputs) from a single, compact field device. The module accepts standard 24 V DC logic signals and is intended for straightforward expansion of a centralized control system, enabling tasks such as button/switch reading, relay control, indicator activation, and other digital signaling needs across automation installations. The order number for this specific variant is 6ES7 133-1BL01-0XB0, and Siemens references categorize it explicitly as a 16 DI/16 DO DC 24 V/0.5 A digital I/O module, making its capabilities clear for system planning and replacement. This module is used in conjunction with other ET 200L components to build scalable distributed I/O networks that support reliable digital signaling across industrial processes.